diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 60d48ebbc2cb..fff3ca50c6c2 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5638,6 +5638,9 @@

rootflags= [KNL] Set root filesystem mount option string

+ initramfs_options= [KNL] + Specify mount options for for the initramfs mount. + rootfstype= [KNL] Set root filesystem type

rootwait [KNL] Wait (indefinitely) for root device to show up. diff --git a/Documentation/devicetree/bindings/phy/rockchip-inno-csi-dphy.yaml b/Documentation/devicetree/bindings/phy/rockchip-inno-csi-dphy.yaml index 5ac994b3c0aa..b304bc5a08c4 100644 --- a/Documentation/devicetree/bindings/phy/rockchip-inno-csi-dphy.yaml +++ b/Documentation/devicetree/bindings/phy/rockchip-inno-csi-dphy.yaml @@ -57,11 +57,24 @@ required: - clocks - clock-names - '#phy-cells' - - power-domains - resets - reset-names - rockchip,grf

+allOf: + - if: + properties: + compatible: + contains: + enum: + - rockchip,px30-csi-dphy + - rockchip,rk1808-csi-dphy + - rockchip,rk3326-csi-dphy + - rockchip,rk3368-csi-dphy + then: + required: + - power-domains + additionalProperties: false

examples: diff --git a/Makefile b/Makefile index 64d76baa0e0c..ab277ff87643 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 6 PATCHLEVEL = 6 -SUBLEVEL = 112 +SUBLEVEL = 113 EXTRAVERSION = NAME = Pinguïn Aangedreven

diff --git a/arch/arm/mach-omap2/pm33xx-core.c b/arch/arm/mach-omap2/pm33xx-core.c index c907478be196..4abb86dc98fd 100644 --- a/arch/arm/mach-omap2/pm33xx-core.c +++ b/arch/arm/mach-omap2/pm33xx-core.c @@ -388,12 +388,15 @@ static int __init amx3_idle_init(struct device_node *cpu_node, int cpu) if (!state_node) break;

- if (!of_device_is_available(state_node)) + if (!of_device_is_available(state_node)) { + of_node_put(state_node); continue; + }

if (i == CPUIDLE_STATE_MAX) { pr_warn("%s: cpuidle states reached max possible\n", __func__); + of_node_put(state_node); break; }

@@ -403,6 +406,7 @@ static int __init amx3_idle_init(struct device_node *cpu_node, int cpu) states[state_count].wfi_flags |= WFI_FLAG_WAKE_M3 | WFI_FLAG_FLUSH_CACHE;

+ of_node_put(state_node); state_count++; }

diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi index 6f5f96853ba1..701e139a9cbd 100644 --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi @@ -1529,6 +1529,8 @@ mdss: display-subsystem@1a00000 {

interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;

+ resets = <&gcc GCC_MDSS_BCR>; + interrupt-controller; #interrupt-cells = <1>;

diff --git a/arch/arm64/boot/dts/qcom/msm8939.dtsi b/arch/arm64/boot/dts/qcom/msm8939.dtsi index c844e01f9aa1..86432ed25b23 100644 --- a/arch/arm64/boot/dts/qcom/msm8939.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8939.dtsi @@ -1210,6 +1210,8 @@ mdss: display-subsystem@1a00000 {

power-domains = <&gcc MDSS_GDSC>;

+ resets = <&gcc GCC_MDSS_BCR>; + #address-cells = <1>; #size-cells = <1>; #interrupt-cells = <1>; diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 64ea9d73d970..fa91e2036dd5 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -5208,11 +5208,11 @@ slimbam: dma-controller@17184000 { compatible = "qcom,bam-v1.7.4", "qcom,bam-v1.7.0"; qcom,controlled-remotely; reg = <0 0x17184000 0 0x2a000>; - num-channels = <31>; + num-channels = <23>; interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>; #dma-cells = <1>; qcom,ee = <1>; - qcom,num-ees = <2>; + qcom,num-ees = <4>; iommus = <&apps_smmu 0x1806 0x0>; };

diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi index 1497f7c8adfa..dfdc6e659cc4 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi @@ -185,7 +185,7 @@ secure_proxy_sa3: mailbox@43600000 {

main_pmx0: pinctrl@f4000 { compatible = "pinctrl-single"; - reg = <0x00 0xf4000 0x00 0x2ac>; + reg = <0x00 0xf4000 0x00 0x25c>; #pinctrl-cells = <1>; pinctrl-single,register-width = <32>; pinctrl-single,function-mask = <0xffffffff>; diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 2ce9ef9d924a..4561c4a670af 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -2174,17 +2174,21 @@ static void bti_enable(const struct arm64_cpu_capabilities *__unused) #ifdef CONFIG_ARM64_MTE static void cpu_enable_mte(struct arm64_cpu_capabilities const *cap) { + static bool cleared_zero_page = false; + sysreg_clear_set(sctlr_el1, 0, SCTLR_ELx_ATA | SCTLR_EL1_ATA0);

mte_cpu_setup();

/* * Clear the tags in the zero page. This needs to be done via the - * linear map which has the Tagged attribute. + * linear map which has the Tagged attribute. Since this page is + * always mapped as pte_special(), set_pte_at() will not attempt to + * clear the tags or set PG_mte_tagged. */ - if (try_page_mte_tagging(ZERO_PAGE(0))) { + if (!cleared_zero_page) { + cleared_zero_page = true; mte_clear_page_tags(lm_alias(empty_zero_page)); - set_page_mte_tagged(ZERO_PAGE(0)); }

kasan_init_hw_tags_cpu(); diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c index 4edecaac8f91..84ea9c50c076 100644 --- a/arch/arm64/kernel/mte.c +++ b/arch/arm64/kernel/mte.c @@ -428,7 +428,8 @@ static int __access_remote_tags(struct mm_struct *mm, unsigned long addr, put_page(page); break; } - WARN_ON_ONCE(!page_mte_tagged(page)); + + WARN_ON_ONCE(!page_mte_tagged(page) && !is_zero_page(page));

/* limit access to the end of the page */ offset = offset_in_page(addr); diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c index 70b91a8c6bb3..c0942cce3b68 100644 --- a/arch/arm64/kernel/probes/kprobes.c +++ b/arch/arm64/kernel/probes/kprobes.c @@ -131,9 +131,15 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)

void *alloc_insn_page(void) { - return __vmalloc_node_range(PAGE_SIZE, 1, VMALLOC_START, VMALLOC_END, + void *addr; + + addr = __vmalloc_node_range(PAGE_SIZE, 1, VMALLOC_START, VMALLOC_END, GFP_KERNEL, PAGE_KERNEL_ROX, VM_FLUSH_RESET_PERMS, NUMA_NO_NODE, __builtin_return_address(0)); + if (!addr) + return NULL; + set_memory_rox((unsigned long)addr, 1); + return addr; }

/* arm kprobe: install breakpoint in text */ diff --git a/arch/loongarch/kernel/setup.c b/arch/loongarch/kernel/setup.c index 655dc2b1616f..31be0d00976e 100644 --- a/arch/loongarch/kernel/setup.c +++ b/arch/loongarch/kernel/setup.c @@ -363,10 +363,9 @@ void __init platform_init(void) arch_reserve_vmcore(); arch_parse_crashkernel();

-#ifdef CONFIG_ACPI_TABLE_UPGRADE - acpi_table_upgrade(); -#endif #ifdef CONFIG_ACPI + acpi_table_upgrade(); + acpi_gbl_use_global_lock = false; acpi_gbl_use_default_register_widths = false; acpi_boot_table_init(); #endif diff --git a/arch/parisc/include/uapi/asm/ioctls.h b/arch/parisc/include/uapi/asm/ioctls.h index 82d1148c6379..74b4027a4e80 100644 --- a/arch/parisc/include/uapi/asm/ioctls.h +++ b/arch/parisc/include/uapi/asm/ioctls.h @@ -10,10 +10,10 @@ #define TCSETS _IOW('T', 17, struct termios) /* TCSETATTR */ #define TCSETSW _IOW('T', 18, struct termios) /* TCSETATTRD */ #define TCSETSF _IOW('T', 19, struct termios) /* TCSETATTRF */ -#define TCGETA _IOR('T', 1, struct termio) -#define TCSETA _IOW('T', 2, struct termio) -#define TCSETAW _IOW('T', 3, struct termio) -#define TCSETAF _IOW('T', 4, struct termio) +#define TCGETA 0x40125401 +#define TCSETA 0x80125402 +#define TCSETAW 0x80125403 +#define TCSETAF 0x80125404 #define TCSBRK _IO('T', 5) #define TCXONC _IO('T', 6) #define TCFLSH _IO('T', 7) diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c index 69d65ffab312..03165c82dfdb 100644 --- a/arch/parisc/lib/memcpy.c +++ b/arch/parisc/lib/memcpy.c @@ -41,7 +41,6 @@ unsigned long raw_copy_from_user(void *dst, const void __user *src, mtsp(get_kernel_space(), SR_TEMP2);

/* Check region is user accessible */ - if (start) while (start < end) { if (!prober_user(SR_TEMP1, start)) { newlen = (start - (unsigned long) src); diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 28fac4770073..5337ad8a2e34 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -1895,7 +1895,7 @@ static int pnv_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, return 0;

out: - irq_domain_free_irqs_parent(domain, virq, i - 1); + irq_domain_free_irqs_parent(domain, virq, i); msi_bitmap_free_hwirqs(&phb->msi_bmp, hwirq, nr_irqs); return ret; } diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c index fdcf10cd4d12..b53f817fc421 100644 --- a/arch/powerpc/platforms/pseries/msi.c +++ b/arch/powerpc/platforms/pseries/msi.c @@ -587,7 +587,7 @@ static int pseries_irq_domain_alloc(struct irq_domain *domain, unsigned int virq

out: /* TODO: handle RTAS cleanup in ->msi_finish() ? */ - irq_domain_free_irqs_parent(domain, virq, i - 1); + irq_domain_free_irqs_parent(domain, virq, i); return ret; }

diff --git a/arch/s390/net/bpf_jit.h b/arch/s390/net/bpf_jit.h deleted file mode 100644 index 7822ea92e54a..000000000000 --- a/arch/s390/net/bpf_jit.h +++ /dev/null @@ -1,55 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * BPF Jit compiler defines - * - * Copyright IBM Corp. 2012,2015 - * - * Author(s): Martin Schwidefsky schwidefsky@de.ibm.com - * Michael Holzheu holzheu@linux.vnet.ibm.com - */ - -#ifndef __ARCH_S390_NET_BPF_JIT_H -#define __ARCH_S390_NET_BPF_JIT_H - -#ifndef __ASSEMBLY__ - -#include <linux/filter.h> -#include <linux/types.h> - -#endif /* __ASSEMBLY__ */ - -/* - * Stackframe layout (packed stack): - * - * ^ high - * +---------------+ | - * | old backchain | | - * +---------------+ | - * | r15 - r6 | | - * +---------------+ | - * | 4 byte align | | - * | tail_call_cnt | | - * BFP -> +===============+ | - * | | | - * | BPF stack | | - * | | | - * R15+160 -> +---------------+ | - * | new backchain | | - * R15+152 -> +---------------+ | - * | + 152 byte SA | | - * R15 -> +---------------+ + low - * - * We get 160 bytes stack space from calling function, but only use - * 12 * 8 byte for old backchain, r15..r6, and tail_call_cnt. - * - * The stack size used by the BPF program ("BPF stack" above) is passed - * via "aux->stack_depth". - */ -#define STK_SPACE_ADD (160) -#define STK_160_UNUSED (160 - 12 * 8) -#define STK_OFF (STK_SPACE_ADD - STK_160_UNUSED) - -#define STK_OFF_R6 (160 - 11 * 8) /* Offset of r6 on stack */ -#define STK_OFF_TCCNT (160 - 12 * 8) /* Offset of tail_call_cnt on stack */ - -#endif /* __ARCH_S390_NET_BPF_JIT_H */ diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index 2d8facfd4e42..5a64d34a3748 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -31,11 +31,10 @@ #include <asm/nospec-branch.h> #include <asm/set_memory.h> #include <asm/text-patching.h> -#include "bpf_jit.h"

struct bpf_jit { u32 seen; /* Flags to remember seen eBPF instructions */ - u32 seen_reg[16]; /* Array to remember which registers are used */ + u16 seen_regs; /* Mask to remember which registers are used */ u32 *addrs; /* Array with relative instruction addresses */ u8 *prg_buf; /* Start of program */ int size; /* Size of program and literal pool */ @@ -53,6 +52,7 @@ struct bpf_jit { int excnt; /* Number of exception table entries */ int prologue_plt_ret; /* Return address for prologue hotpatch PLT */ int prologue_plt; /* Start of prologue hotpatch PLT */ + u32 frame_off; /* Offset of struct bpf_prog from %r15 */ };

#define SEEN_MEM BIT(0) /* use mem[] for temporary storage */ @@ -118,8 +118,8 @@ static inline void reg_set_seen(struct bpf_jit *jit, u32 b1) { u32 r1 = reg2hex[b1];

- if (r1 >= 6 && r1 <= 15 && !jit->seen_reg[r1]) - jit->seen_reg[r1] = 1; + if (r1 >= 6 && r1 <= 15) + jit->seen_regs |= (1 << r1); }

#define REG_SET_SEEN(b1) \ @@ -127,8 +127,6 @@ static inline void reg_set_seen(struct bpf_jit *jit, u32 b1) reg_set_seen(jit, b1); \ })

-#define REG_SEEN(b1) jit->seen_reg[reg2hex[(b1)]] - /* * EMIT macros for code generation */ @@ -400,12 +398,26 @@ static void jit_fill_hole(void *area, unsigned int size) memset(area, 0, size); }

+/* + * Caller-allocated part of the frame. + * Thanks to packed stack, its otherwise unused initial part can be used for + * the BPF stack and for the next frame. + */ +struct prog_frame { + u64 unused[8]; + /* BPF stack starts here and grows towards 0 */ + u32 tail_call_cnt; + u32 pad; + u64 r6[10]; /* r6 - r15 */ + u64 backchain; +} __packed; + /* * Save registers from "rs" (register start) to "re" (register end) on stack */ static void save_regs(struct bpf_jit *jit, u32 rs, u32 re) { - u32 off = STK_OFF_R6 + (rs - 6) * 8; + u32 off = offsetof(struct prog_frame, r6) + (rs - 6) * 8;

if (rs == re) /* stg %rs,off(%r15) */ @@ -418,12 +430,9 @@ static void save_regs(struct bpf_jit *jit, u32 rs, u32 re) /* * Restore registers from "rs" (register start) to "re" (register end) on stack */ -static void restore_regs(struct bpf_jit *jit, u32 rs, u32 re, u32 stack_depth) +static void restore_regs(struct bpf_jit *jit, u32 rs, u32 re) { - u32 off = STK_OFF_R6 + (rs - 6) * 8; - - if (jit->seen & SEEN_STACK) - off += STK_OFF + stack_depth; + u32 off = jit->frame_off + offsetof(struct prog_frame, r6) + (rs - 6) * 8;

if (rs == re) /* lg %rs,off(%r15) */ @@ -436,12 +445,12 @@ static void restore_regs(struct bpf_jit *jit, u32 rs, u32 re, u32 stack_depth) /* * Return first seen register (from start) */ -static int get_start(struct bpf_jit *jit, int start) +static int get_start(u16 seen_regs, int start) { int i;

for (i = start; i <= 15; i++) { - if (jit->seen_reg[i]) + if (seen_regs & (1 << i)) return i; } return 0; @@ -450,15 +459,15 @@ static int get_start(struct bpf_jit *jit, int start) /* * Return last seen register (from start) (gap >= 2) */ -static int get_end(struct bpf_jit *jit, int start) +static int get_end(u16 seen_regs, int start) { int i;

for (i = start; i < 15; i++) { - if (!jit->seen_reg[i] && !jit->seen_reg[i + 1]) + if (!(seen_regs & (3 << i))) return i - 1; } - return jit->seen_reg[15] ? 15 : 14; + return (seen_regs & (1 << 15)) ? 15 : 14; }

#define REGS_SAVE 1 @@ -467,8 +476,9 @@ static int get_end(struct bpf_jit *jit, int start) * Save and restore clobbered registers (6-15) on stack. * We save/restore registers in chunks with gap >= 2 registers. */ -static void save_restore_regs(struct bpf_jit *jit, int op, u32 stack_depth) +static void save_restore_regs(struct bpf_jit *jit, int op, u16 extra_regs) { + u16 seen_regs = jit->seen_regs | extra_regs; const int last = 15, save_restore_size = 6; int re = 6, rs;

@@ -482,14 +492,14 @@ static void save_restore_regs(struct bpf_jit *jit, int op, u32 stack_depth) }

do { - rs = get_start(jit, re); + rs = get_start(seen_regs, re); if (!rs) break; - re = get_end(jit, rs + 1); + re = get_end(seen_regs, rs + 1); if (op == REGS_SAVE) save_regs(jit, rs, re); else - restore_regs(jit, rs, re, stack_depth); + restore_regs(jit, rs, re); re++; } while (re <= last); } @@ -554,11 +564,12 @@ static void bpf_jit_plt(struct bpf_plt *plt, void *ret, void *target) * Emit function prologue * * Save registers and create stack frame if necessary. - * See stack frame layout description in "bpf_jit.h"! + * Stack frame layout is described by struct prog_frame. */ -static void bpf_jit_prologue(struct bpf_jit *jit, struct bpf_prog *fp, - u32 stack_depth) +static void bpf_jit_prologue(struct bpf_jit *jit, struct bpf_prog *fp) { + BUILD_BUG_ON(sizeof(struct prog_frame) != STACK_FRAME_OVERHEAD); + /* No-op for hotpatching */ /* brcl 0,prologue_plt */ EMIT6_PCREL_RILC(0xc0040000, 0, jit->prologue_plt); @@ -566,8 +577,9 @@ static void bpf_jit_prologue(struct bpf_jit *jit, struct bpf_prog *fp,

if (fp->aux->func_idx == 0) { /* Initialize the tail call counter in the main program. */ - /* xc STK_OFF_TCCNT(4,%r15),STK_OFF_TCCNT(%r15) */ - _EMIT6(0xd703f000 | STK_OFF_TCCNT, 0xf000 | STK_OFF_TCCNT); + /* xc tail_call_cnt(4,%r15),tail_call_cnt(%r15) */ + _EMIT6(0xd703f000 | offsetof(struct prog_frame, tail_call_cnt), + 0xf000 | offsetof(struct prog_frame, tail_call_cnt)); } else { /* * Skip the tail call counter initialization in subprograms. @@ -579,7 +591,7 @@ static void bpf_jit_prologue(struct bpf_jit *jit, struct bpf_prog *fp, /* Tail calls have to skip above initialization */ jit->tail_call_start = jit->prg; /* Save registers */ - save_restore_regs(jit, REGS_SAVE, stack_depth); + save_restore_regs(jit, REGS_SAVE, 0); /* Setup literal pool */ if (is_first_pass(jit) || (jit->seen & SEEN_LITERAL)) { if (!is_first_pass(jit) && @@ -597,13 +609,15 @@ static void bpf_jit_prologue(struct bpf_jit *jit, struct bpf_prog *fp, if (is_first_pass(jit) || (jit->seen & SEEN_STACK)) { /* lgr %w1,%r15 (backchain) */ EMIT4(0xb9040000, REG_W1, REG_15); - /* la %bfp,STK_160_UNUSED(%r15) (BPF frame pointer) */ - EMIT4_DISP(0x41000000, BPF_REG_FP, REG_15, STK_160_UNUSED); - /* aghi %r15,-STK_OFF */ - EMIT4_IMM(0xa70b0000, REG_15, -(STK_OFF + stack_depth)); - /* stg %w1,152(%r15) (backchain) */ + /* la %bfp,unused_end(%r15) (BPF frame pointer) */ + EMIT4_DISP(0x41000000, BPF_REG_FP, REG_15, + offsetofend(struct prog_frame, unused)); + /* aghi %r15,-frame_off */ + EMIT4_IMM(0xa70b0000, REG_15, -jit->frame_off); + /* stg %w1,backchain(%r15) */ EMIT6_DISP_LH(0xe3000000, 0x0024, REG_W1, REG_0, - REG_15, 152); + REG_15, + offsetof(struct prog_frame, backchain)); } }

@@ -647,13 +661,13 @@ static void call_r1(struct bpf_jit *jit) /* * Function epilogue */ -static void bpf_jit_epilogue(struct bpf_jit *jit, u32 stack_depth) +static void bpf_jit_epilogue(struct bpf_jit *jit) { jit->exit_ip = jit->prg; /* Load exit code: lgr %r2,%b0 */ EMIT4(0xb9040000, REG_2, BPF_REG_0); /* Restore registers */ - save_restore_regs(jit, REGS_RESTORE, stack_depth); + save_restore_regs(jit, REGS_RESTORE, 0); if (nospec_uses_trampoline()) { jit->r14_thunk_ip = jit->prg; /* Generate __s390_indirect_jump_r14 thunk */ @@ -779,7 +793,7 @@ static int sign_extend(struct bpf_jit *jit, int r, u8 size, u8 flags) * stack space for the large switch statement. */ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, - int i, bool extra_pass, u32 stack_depth) + int i, bool extra_pass) { struct bpf_insn *insn = &fp->insnsi[i]; u32 dst_reg = insn->dst_reg; @@ -1425,17 +1439,11 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, jit->seen |= SEEN_FUNC; /* * Copy the tail call counter to where the callee expects it. - * - * Note 1: The callee can increment the tail call counter, but - * we do not load it back, since the x86 JIT does not do this - * either. - * - * Note 2: We assume that the verifier does not let us call the - * main program, which clears the tail call counter on entry. */ - /* mvc STK_OFF_TCCNT(4,%r15),N(%r15) */ - _EMIT6(0xd203f000 | STK_OFF_TCCNT, - 0xf000 | (STK_OFF_TCCNT + STK_OFF + stack_depth)); + /* mvc tail_call_cnt(4,%r15),frame_off+tail_call_cnt(%r15) */ + _EMIT6(0xd203f000 | offsetof(struct prog_frame, tail_call_cnt), + 0xf000 | (jit->frame_off + + offsetof(struct prog_frame, tail_call_cnt)));

/* Sign-extend the kfunc arguments. */ if (insn->src_reg == BPF_PSEUDO_KFUNC_CALL) { @@ -1457,6 +1465,22 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, call_r1(jit); /* lgr %b0,%r2: load return value into %b0 */ EMIT4(0xb9040000, BPF_REG_0, REG_2); + + /* + * Copy the potentially updated tail call counter back. + */ + + if (insn->src_reg == BPF_PSEUDO_CALL) + /* + * mvc frame_off+tail_call_cnt(%r15), + * tail_call_cnt(4,%r15) + */ + _EMIT6(0xd203f000 | (jit->frame_off + + offsetof(struct prog_frame, + tail_call_cnt)), + 0xf000 | offsetof(struct prog_frame, + tail_call_cnt)); + break; } case BPF_JMP | BPF_TAIL_CALL: { @@ -1486,10 +1510,8 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, * goto out; */

- if (jit->seen & SEEN_STACK) - off = STK_OFF_TCCNT + STK_OFF + stack_depth; - else - off = STK_OFF_TCCNT; + off = jit->frame_off + + offsetof(struct prog_frame, tail_call_cnt); /* lhi %w0,1 */ EMIT4_IMM(0xa7080000, REG_W0, 1); /* laal %w1,%w0,off(%r15) */ @@ -1519,7 +1541,7 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, /* * Restore registers before calling function */ - save_restore_regs(jit, REGS_RESTORE, stack_depth); + save_restore_regs(jit, REGS_RESTORE, 0);

/* * goto *(prog->bpf_func + tail_call_start); @@ -1822,7 +1844,7 @@ static int bpf_set_addr(struct bpf_jit *jit, int i) * Compile eBPF program into s390x code */ static int bpf_jit_prog(struct bpf_jit *jit, struct bpf_prog *fp, - bool extra_pass, u32 stack_depth) + bool extra_pass) { int i, insn_count, lit32_size, lit64_size;

@@ -1830,19 +1852,25 @@ static int bpf_jit_prog(struct bpf_jit *jit, struct bpf_prog *fp, jit->lit64 = jit->lit64_start; jit->prg = 0; jit->excnt = 0; + if (is_first_pass(jit) || (jit->seen & SEEN_STACK)) + jit->frame_off = sizeof(struct prog_frame) - + offsetofend(struct prog_frame, unused) + + round_up(fp->aux->stack_depth, 8); + else + jit->frame_off = 0;

- bpf_jit_prologue(jit, fp, stack_depth); + bpf_jit_prologue(jit, fp); if (bpf_set_addr(jit, 0) < 0) return -1; for (i = 0; i < fp->len; i += insn_count) { - insn_count = bpf_jit_insn(jit, fp, i, extra_pass, stack_depth); + insn_count = bpf_jit_insn(jit, fp, i, extra_pass); if (insn_count < 0) return -1; /* Next instruction address */ if (bpf_set_addr(jit, i + insn_count) < 0) return -1; } - bpf_jit_epilogue(jit, stack_depth); + bpf_jit_epilogue(jit);

lit32_size = jit->lit32 - jit->lit32_start; lit64_size = jit->lit64 - jit->lit64_start; @@ -1902,7 +1930,6 @@ static struct bpf_binary_header *bpf_jit_alloc(struct bpf_jit *jit, */ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp) { - u32 stack_depth = round_up(fp->aux->stack_depth, 8); struct bpf_prog *tmp, *orig_fp = fp; struct bpf_binary_header *header; struct s390_jit_data *jit_data; @@ -1955,7 +1982,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp) * - 3: Calculate program size and addrs array */ for (pass = 1; pass <= 3; pass++) { - if (bpf_jit_prog(&jit, fp, extra_pass, stack_depth)) { + if (bpf_jit_prog(&jit, fp, extra_pass)) { fp = orig_fp; goto free_addrs; } @@ -1969,7 +1996,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp) goto free_addrs; } skip_init_ctx: - if (bpf_jit_prog(&jit, fp, extra_pass, stack_depth)) { + if (bpf_jit_prog(&jit, fp, extra_pass)) { bpf_jit_binary_free(header); fp = orig_fp; goto free_addrs; @@ -2285,9 +2312,10 @@ static int __arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, /* stg %r1,backchain_off(%r15) */ EMIT6_DISP_LH(0xe3000000, 0x0024, REG_1, REG_0, REG_15, tjit->backchain_off); - /* mvc tccnt_off(4,%r15),stack_size+STK_OFF_TCCNT(%r15) */ + /* mvc tccnt_off(4,%r15),stack_size+tail_call_cnt(%r15) */ _EMIT6(0xd203f000 | tjit->tccnt_off, - 0xf000 | (tjit->stack_size + STK_OFF_TCCNT)); + 0xf000 | (tjit->stack_size + + offsetof(struct prog_frame, tail_call_cnt))); /* stmg %r2,%rN,fwd_reg_args_off(%r15) */ if (nr_reg_args) EMIT6_DISP_LH(0xeb000000, 0x0024, REG_2, @@ -2424,8 +2452,9 @@ static int __arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, (nr_stack_args * sizeof(u64) - 1) << 16 | tjit->stack_args_off, 0xf000 | tjit->orig_stack_args_off); - /* mvc STK_OFF_TCCNT(4,%r15),tccnt_off(%r15) */ - _EMIT6(0xd203f000 | STK_OFF_TCCNT, 0xf000 | tjit->tccnt_off); + /* mvc tail_call_cnt(4,%r15),tccnt_off(%r15) */ + _EMIT6(0xd203f000 | offsetof(struct prog_frame, tail_call_cnt), + 0xf000 | tjit->tccnt_off); /* lgr %r1,%r8 */ EMIT4(0xb9040000, REG_1, REG_8); /* %r1() */ @@ -2433,6 +2462,9 @@ static int __arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, /* stg %r2,retval_off(%r15) */ EMIT6_DISP_LH(0xe3000000, 0x0024, REG_2, REG_0, REG_15, tjit->retval_off); + /* mvc tccnt_off(%r15),tail_call_cnt(4,%r15) */ + _EMIT6(0xd203f000 | tjit->tccnt_off, + 0xf000 | offsetof(struct prog_frame, tail_call_cnt));

im->ip_after_call = jit->prg_buf + jit->prg;

@@ -2482,8 +2514,9 @@ static int __arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, if (flags & (BPF_TRAMP_F_CALL_ORIG | BPF_TRAMP_F_RET_FENTRY_RET)) EMIT6_DISP_LH(0xe3000000, 0x0004, REG_2, REG_0, REG_15, tjit->retval_off); - /* mvc stack_size+STK_OFF_TCCNT(4,%r15),tccnt_off(%r15) */ - _EMIT6(0xd203f000 | (tjit->stack_size + STK_OFF_TCCNT), + /* mvc stack_size+tail_call_cnt(4,%r15),tccnt_off(%r15) */ + _EMIT6(0xd203f000 | (tjit->stack_size + + offsetof(struct prog_frame, tail_call_cnt)), 0xf000 | tjit->tccnt_off); /* aghi %r15,stack_size */ EMIT4_IMM(0xa70b0000, REG_15, tjit->stack_size); diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c index 06012e68bdca..284a4cafa432 100644 --- a/arch/sparc/kernel/of_device_32.c +++ b/arch/sparc/kernel/of_device_32.c @@ -387,6 +387,7 @@ static struct platform_device * __init scan_one_device(struct device_node *dp,

if (of_device_register(op)) { printk("%pOF: Could not register of device.\n", dp); + put_device(&op->dev); kfree(op); op = NULL; } diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c index d3842821a5a0..d2cd4f42e0cf 100644 --- a/arch/sparc/kernel/of_device_64.c +++ b/arch/sparc/kernel/of_device_64.c @@ -680,6 +680,7 @@ static struct platform_device * __init scan_one_device(struct device_node *dp,

if (of_device_register(op)) { printk("%pOF: Could not register of device.\n", dp); + put_device(&op->dev); kfree(op); op = NULL; } diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index 8dad5d0995dc..5bf77c07f6b6 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -133,6 +133,26 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,

static pte_t sun4u_hugepage_shift_to_tte(pte_t entry, unsigned int shift) { + unsigned long hugepage_size = _PAGE_SZ4MB_4U; + + pte_val(entry) = pte_val(entry) & ~_PAGE_SZALL_4U; + + switch (shift) { + case HPAGE_256MB_SHIFT: + hugepage_size = _PAGE_SZ256MB_4U; + pte_val(entry) |= _PAGE_PMD_HUGE; + break; + case HPAGE_SHIFT: + pte_val(entry) |= _PAGE_PMD_HUGE; + break; + case HPAGE_64K_SHIFT: + hugepage_size = _PAGE_SZ64K_4U; + break; + default: + WARN_ONCE(1, "unsupported hugepage shift=%u\n", shift); + } + + pte_val(entry) = pte_val(entry) | hugepage_size; return entry; }

diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 723e48b57bd0..425980eacaa8 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -661,6 +661,7 @@ #define MSR_AMD64_PERF_CNTR_GLOBAL_STATUS 0xc0000300 #define MSR_AMD64_PERF_CNTR_GLOBAL_CTL 0xc0000301 #define MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_CLR 0xc0000302 +#define MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_SET 0xc0000303

/* AMD Last Branch Record MSRs */ #define MSR_AMD64_LBR_SELECT 0xc000010e diff --git a/arch/x86/kernel/umip.c b/arch/x86/kernel/umip.c index 5a4b21389b1d..d432f3824f0c 100644 --- a/arch/x86/kernel/umip.c +++ b/arch/x86/kernel/umip.c @@ -156,15 +156,26 @@ static int identify_insn(struct insn *insn) if (!insn->modrm.nbytes) return -EINVAL;

- /* All the instructions of interest start with 0x0f. */ - if (insn->opcode.bytes[0] != 0xf) + /* The instructions of interest have 2-byte opcodes: 0F 00 or 0F 01. */ + if (insn->opcode.nbytes < 2 || insn->opcode.bytes[0] != 0xf) return -EINVAL;

if (insn->opcode.bytes[1] == 0x1) { switch (X86_MODRM_REG(insn->modrm.value)) { case 0: + /* The reg form of 0F 01 /0 encodes VMX instructions. */ + if (X86_MODRM_MOD(insn->modrm.value) == 3) + return -EINVAL; + return UMIP_INST_SGDT; case 1: + /* + * The reg form of 0F 01 /1 encodes MONITOR/MWAIT, + * STAC/CLAC, and ENCLS. + */ + if (X86_MODRM_MOD(insn->modrm.value) == 3) + return -EINVAL; + return UMIP_INST_SIDT; case 4: return UMIP_INST_SMSW; diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c index da2d82e3a873..f2cd8cfb0ef5 100644 --- a/arch/x86/kvm/pmu.c +++ b/arch/x86/kvm/pmu.c @@ -588,6 +588,7 @@ int kvm_pmu_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) msr_info->data = pmu->global_ctrl; break; case MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_CLR: + case MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_SET: case MSR_CORE_PERF_GLOBAL_OVF_CTRL: msr_info->data = 0; break; @@ -649,6 +650,10 @@ int kvm_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) if (!msr_info->host_initiated) pmu->global_status &= ~data; break; + case MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_SET: + if (!msr_info->host_initiated) + pmu->global_status |= data & ~pmu->global_status_mask; + break; default: kvm_pmu_mark_pmc_in_use(vcpu, msr_info->index); return static_call(kvm_x86_pmu_set_msr)(vcpu, msr_info); diff --git a/arch/x86/kvm/svm/pmu.c b/arch/x86/kvm/svm/pmu.c index 3fd47de14b38..0bad24f763d2 100644 --- a/arch/x86/kvm/svm/pmu.c +++ b/arch/x86/kvm/svm/pmu.c @@ -117,6 +117,7 @@ static bool amd_is_valid_msr(struct kvm_vcpu *vcpu, u32 msr) case MSR_AMD64_PERF_CNTR_GLOBAL_STATUS: case MSR_AMD64_PERF_CNTR_GLOBAL_CTL: case MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_CLR: + case MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_SET: return pmu->version > 1; default: if (msr > MSR_F15H_PERF_CTR5 && diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 29566e457ec4..0833f2c1a9d6 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -4156,11 +4156,20 @@ static int svm_vcpu_pre_run(struct kvm_vcpu *vcpu)

static fastpath_t svm_exit_handlers_fastpath(struct kvm_vcpu *vcpu) { + struct vcpu_svm *svm = to_svm(vcpu); + + /* + * Next RIP must be provided as IRQs are disabled, and accessing guest + * memory to decode the instruction might fault, i.e. might sleep. + */ + if (!nrips || !svm->vmcb->control.next_rip) + return EXIT_FASTPATH_NONE; + if (is_guest_mode(vcpu)) return EXIT_FASTPATH_NONE;

- if (to_svm(vcpu)->vmcb->control.exit_code == SVM_EXIT_MSR && - to_svm(vcpu)->vmcb->control.exit_info_1) + if (svm->vmcb->control.exit_code == SVM_EXIT_MSR && + svm->vmcb->control.exit_info_1) return handle_fastpath_set_msr_irqoff(vcpu);

return EXIT_FASTPATH_NONE; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 71d60d4e991f..a589a5781e90 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1495,6 +1495,7 @@ static const u32 msrs_to_save_pmu[] = { MSR_AMD64_PERF_CNTR_GLOBAL_CTL, MSR_AMD64_PERF_CNTR_GLOBAL_STATUS, MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_CLR, + MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_SET, };

static u32 msrs_to_save[ARRAY_SIZE(msrs_to_save_base) + @@ -7194,6 +7195,7 @@ static void kvm_probe_msr_to_save(u32 msr_index) case MSR_AMD64_PERF_CNTR_GLOBAL_CTL: case MSR_AMD64_PERF_CNTR_GLOBAL_STATUS: case MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_CLR: + case MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_SET: if (!kvm_cpu_cap_has(X86_FEATURE_PERFMON_V2)) return; break; diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c index 178cf96ca10a..f878bbb8b0ac 100644 --- a/arch/xtensa/platforms/iss/simdisk.c +++ b/arch/xtensa/platforms/iss/simdisk.c @@ -230,10 +230,14 @@ static ssize_t proc_read_simdisk(struct file *file, char __user *buf, static ssize_t proc_write_simdisk(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { - char *tmp = memdup_user_nul(buf, count); + char *tmp; struct simdisk *dev = pde_data(file_inode(file)); int err;

+ if (count == 0 || count > PAGE_SIZE) + return -EINVAL; + + tmp = memdup_user_nul(buf, count); if (IS_ERR(tmp)) return PTR_ERR(tmp);

diff --git a/block/blk-crypto-fallback.c b/block/blk-crypto-fallback.c index e6468eab2681..7f1a9dba4049 100644 --- a/block/blk-crypto-fallback.c +++ b/block/blk-crypto-fallback.c @@ -18,6 +18,7 @@ #include <linux/module.h> #include <linux/random.h> #include <linux/scatterlist.h> +#include <trace/events/block.h>

#include "blk-cgroup.h" #include "blk-crypto-internal.h" @@ -229,7 +230,9 @@ static bool blk_crypto_fallback_split_bio_if_needed(struct bio **bio_ptr) bio->bi_status = BLK_STS_RESOURCE; return false; } + bio_chain(split_bio, bio); + trace_block_split(split_bio, bio->bi_iter.bi_sector); submit_bio_noacct(bio); *bio_ptr = split_bio; } diff --git a/crypto/essiv.c b/crypto/essiv.c index f7d4ef4837e5..4dbec116ddc3 100644 --- a/crypto/essiv.c +++ b/crypto/essiv.c @@ -186,9 +186,14 @@ static int essiv_aead_crypt(struct aead_request *req, bool enc) const struct essiv_tfm_ctx *tctx = crypto_aead_ctx(tfm); struct essiv_aead_request_ctx *rctx = aead_request_ctx(req); struct aead_request *subreq = &rctx->aead_req; + int ivsize = crypto_aead_ivsize(tfm); + int ssize = req->assoclen - ivsize; struct scatterlist *src = req->src; int err;

+ if (ssize < 0) + return -EINVAL; + crypto_cipher_encrypt_one(tctx->essiv_cipher, req->iv, req->iv);

/* @@ -198,19 +203,12 @@ static int essiv_aead_crypt(struct aead_request *req, bool enc) */ rctx->assoc = NULL; if (req->src == req->dst || !enc) { - scatterwalk_map_and_copy(req->iv, req->dst, - req->assoclen - crypto_aead_ivsize(tfm), - crypto_aead_ivsize(tfm), 1); + scatterwalk_map_and_copy(req->iv, req->dst, ssize, ivsize, 1); } else { u8 *iv = (u8 *)aead_request_ctx(req) + tctx->ivoffset; - int ivsize = crypto_aead_ivsize(tfm); - int ssize = req->assoclen - ivsize; struct scatterlist *sg; int nents;

- if (ssize < 0) - return -EINVAL; - nents = sg_nents_for_len(req->src, ssize); if (nents < 0) return -EINVAL; diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c index d50261d05f3a..515b20d0b698 100644 --- a/drivers/acpi/acpi_dbg.c +++ b/drivers/acpi/acpi_dbg.c @@ -569,11 +569,11 @@ static int acpi_aml_release(struct inode *inode, struct file *file) return 0; }

-static int acpi_aml_read_user(char __user *buf, int len) +static ssize_t acpi_aml_read_user(char __user *buf, size_t len) { - int ret; struct circ_buf *crc = &acpi_aml_io.out_crc; - int n; + ssize_t ret; + size_t n; char *p;

ret = acpi_aml_lock_read(crc, ACPI_AML_OUT_USER); @@ -582,7 +582,7 @@ static int acpi_aml_read_user(char __user *buf, int len) /* sync head before removing logs */ smp_rmb(); p = &crc->buf[crc->tail]; - n = min(len, circ_count_to_end(crc)); + n = min_t(size_t, len, circ_count_to_end(crc)); if (copy_to_user(buf, p, n)) { ret = -EFAULT; goto out; @@ -599,8 +599,8 @@ static int acpi_aml_read_user(char __user *buf, int len) static ssize_t acpi_aml_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - int ret = 0; - int size = 0; + ssize_t ret = 0; + ssize_t size = 0;

if (!count) return 0; @@ -639,11 +639,11 @@ static ssize_t acpi_aml_read(struct file *file, char __user *buf, return size > 0 ? size : ret; }

-static int acpi_aml_write_user(const char __user *buf, int len) +static ssize_t acpi_aml_write_user(const char __user *buf, size_t len) { - int ret; struct circ_buf *crc = &acpi_aml_io.in_crc; - int n; + ssize_t ret; + size_t n; char *p;

ret = acpi_aml_lock_write(crc, ACPI_AML_IN_USER); @@ -652,7 +652,7 @@ static int acpi_aml_write_user(const char __user *buf, int len) /* sync tail before inserting cmds */ smp_mb(); p = &crc->buf[crc->head]; - n = min(len, circ_space_to_end(crc)); + n = min_t(size_t, len, circ_space_to_end(crc)); if (copy_from_user(p, buf, n)) { ret = -EFAULT; goto out; @@ -663,14 +663,14 @@ static int acpi_aml_write_user(const char __user *buf, int len) ret = n; out: acpi_aml_unlock_fifo(ACPI_AML_IN_USER, ret >= 0); - return n; + return ret; }

static ssize_t acpi_aml_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { - int ret = 0; - int size = 0; + ssize_t ret = 0; + ssize_t size = 0;

if (!count) return 0; diff --git a/drivers/acpi/acpi_tad.c b/drivers/acpi/acpi_tad.c index 33c3b16af556..ecba82ac7cd5 100644 --- a/drivers/acpi/acpi_tad.c +++ b/drivers/acpi/acpi_tad.c @@ -564,6 +564,9 @@ static int acpi_tad_remove(struct platform_device *pdev)

pm_runtime_get_sync(dev);

+ if (dd->capabilities & ACPI_TAD_RT) + sysfs_remove_group(&dev->kobj, &acpi_tad_time_attr_group); + if (dd->capabilities & ACPI_TAD_DC_WAKE) sysfs_remove_group(&dev->kobj, &acpi_tad_dc_attr_group);

diff --git a/drivers/acpi/acpica/evglock.c b/drivers/acpi/acpica/evglock.c index 989dc01af03f..bc205b330904 100644 --- a/drivers/acpi/acpica/evglock.c +++ b/drivers/acpi/acpica/evglock.c @@ -42,6 +42,10 @@ acpi_status acpi_ev_init_global_lock_handler(void) return_ACPI_STATUS(AE_OK); }

+ if (!acpi_gbl_use_global_lock) { + return_ACPI_STATUS(AE_OK); + } + /* Attempt installation of the global lock handler */

status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL, diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index e3cbaf3c3bbc..a70b6db3bf05 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -94,7 +94,7 @@ enum {

struct acpi_battery { struct mutex lock; - struct mutex sysfs_lock; + struct mutex update_lock; struct power_supply *bat; struct power_supply_desc bat_desc; struct acpi_device *device; @@ -888,15 +888,12 @@ static int sysfs_add_battery(struct acpi_battery *battery)

static void sysfs_remove_battery(struct acpi_battery *battery) { - mutex_lock(&battery->sysfs_lock); - if (!battery->bat) { - mutex_unlock(&battery->sysfs_lock); + if (!battery->bat) return; - } + battery_hook_remove_battery(battery); power_supply_unregister(battery->bat); battery->bat = NULL; - mutex_unlock(&battery->sysfs_lock); }

static void find_battery(const struct dmi_header *dm, void *private) @@ -1056,6 +1053,9 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data)

if (!battery) return; + + guard(mutex)(&battery->update_lock); + old = battery->bat; /* * On Acer Aspire V5-573G notifications are sometimes triggered too @@ -1078,21 +1078,22 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data) }

static int battery_notify(struct notifier_block *nb, - unsigned long mode, void *_unused) + unsigned long mode, void *_unused) { struct acpi_battery *battery = container_of(nb, struct acpi_battery, pm_nb); - int result;

- switch (mode) { - case PM_POST_HIBERNATION: - case PM_POST_SUSPEND: + if (mode == PM_POST_SUSPEND || mode == PM_POST_HIBERNATION) { + guard(mutex)(&battery->update_lock); + if (!acpi_battery_present(battery)) return 0;

if (battery->bat) { acpi_battery_refresh(battery); } else { + int result; + result = acpi_battery_get_info(battery); if (result) return result; @@ -1104,7 +1105,6 @@ static int battery_notify(struct notifier_block *nb,

acpi_battery_init_alarm(battery); acpi_battery_get_state(battery); - break; }

return 0; @@ -1182,6 +1182,8 @@ static int acpi_battery_update_retry(struct acpi_battery *battery) { int retry, ret;

+ guard(mutex)(&battery->update_lock); + for (retry = 5; retry; retry--) { ret = acpi_battery_update(battery, false); if (!ret) @@ -1192,6 +1194,13 @@ static int acpi_battery_update_retry(struct acpi_battery *battery) return ret; }

+static void sysfs_battery_cleanup(struct acpi_battery *battery) +{ + guard(mutex)(&battery->update_lock); + + sysfs_remove_battery(battery); +} + static int acpi_battery_add(struct acpi_device *device) { int result = 0; @@ -1203,15 +1212,21 @@ static int acpi_battery_add(struct acpi_device *device) if (device->dep_unmet) return -EPROBE_DEFER;

- battery = kzalloc(sizeof(struct acpi_battery), GFP_KERNEL); + battery = devm_kzalloc(&device->dev, sizeof(*battery), GFP_KERNEL); if (!battery) return -ENOMEM; battery->device = device; strcpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_BATTERY_CLASS); device->driver_data = battery; - mutex_init(&battery->lock); - mutex_init(&battery->sysfs_lock); + result = devm_mutex_init(&device->dev, &battery->lock); + if (result) + return result; + + result = devm_mutex_init(&device->dev, &battery->update_lock); + if (result) + return result; + if (acpi_has_method(battery->device->handle, "_BIX")) set_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags);

@@ -1238,10 +1253,7 @@ static int acpi_battery_add(struct acpi_device *device) device_init_wakeup(&device->dev, 0); unregister_pm_notifier(&battery->pm_nb); fail: - sysfs_remove_battery(battery); - mutex_destroy(&battery->lock); - mutex_destroy(&battery->sysfs_lock); - kfree(battery); + sysfs_battery_cleanup(battery);

return result; } @@ -1260,11 +1272,10 @@ static void acpi_battery_remove(struct acpi_device *device)

device_init_wakeup(&device->dev, 0); unregister_pm_notifier(&battery->pm_nb); - sysfs_remove_battery(battery);

- mutex_destroy(&battery->lock); - mutex_destroy(&battery->sysfs_lock); - kfree(battery); + guard(mutex)(&battery->update_lock); + + sysfs_remove_battery(battery); }

#ifdef CONFIG_PM_SLEEP @@ -1281,6 +1292,9 @@ static int acpi_battery_resume(struct device *dev) return -EINVAL;

battery->update_time = 0; + + guard(mutex)(&battery->update_lock); + acpi_battery_update(battery, true); return 0; } diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index dca5682308cb..5898c3c8c2a7 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -74,6 +74,7 @@ static bool acpi_nondev_subnode_extract(union acpi_object *desc, struct fwnode_handle *parent) { struct acpi_data_node *dn; + acpi_handle scope = NULL; bool result;

dn = kzalloc(sizeof(*dn), GFP_KERNEL); @@ -86,29 +87,35 @@ static bool acpi_nondev_subnode_extract(union acpi_object *desc, INIT_LIST_HEAD(&dn->data.properties); INIT_LIST_HEAD(&dn->data.subnodes);

- result = acpi_extract_properties(handle, desc, &dn->data); - - if (handle) { - acpi_handle scope; - acpi_status status; + /* + * The scope for the completion of relative pathname segments and + * subnode object lookup is the one of the namespace node (device) + * containing the object that has returned the package. That is, it's + * the scope of that object's parent device. + */ + if (handle) + acpi_get_parent(handle, &scope);

- /* - * The scope for the subnode object lookup is the one of the - * namespace node (device) containing the object that has - * returned the package. That is, it's the scope of that - * object's parent. - */ - status = acpi_get_parent(handle, &scope); - if (ACPI_SUCCESS(status) - && acpi_enumerate_nondev_subnodes(scope, desc, &dn->data, - &dn->fwnode)) - result = true; - } else if (acpi_enumerate_nondev_subnodes(NULL, desc, &dn->data, - &dn->fwnode)) { + /* + * Extract properties from the _DSD-equivalent package pointed to by + * desc and use scope (if not NULL) for the completion of relative + * pathname segments. + * + * The extracted properties will be held in the new data node dn. + */ + result = acpi_extract_properties(scope, desc, &dn->data); + /* + * Look for subnodes in the _DSD-equivalent package pointed to by desc + * and create child nodes of dn if there are any. + */ + if (acpi_enumerate_nondev_subnodes(scope, desc, &dn->data, &dn->fwnode)) result = true; - }

if (result) { + /* + * This will be NULL if the desc package is embedded in an outer + * _DSD-equivalent package and its scope cannot be determined. + */ dn->handle = handle; dn->data.pointer = desc; list_add_tail(&dn->sibling, list); @@ -120,35 +127,21 @@ static bool acpi_nondev_subnode_extract(union acpi_object *desc, return false; }

-static bool acpi_nondev_subnode_data_ok(acpi_handle handle, - const union acpi_object *link, - struct list_head *list, - struct fwnode_handle *parent) -{ - struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER }; - acpi_status status; - - status = acpi_evaluate_object_typed(handle, NULL, NULL, &buf, - ACPI_TYPE_PACKAGE); - if (ACPI_FAILURE(status)) - return false; - - if (acpi_nondev_subnode_extract(buf.pointer, handle, link, list, - parent)) - return true; - - ACPI_FREE(buf.pointer); - return false; -} - static bool acpi_nondev_subnode_ok(acpi_handle scope, const union acpi_object *link, struct list_head *list, struct fwnode_handle *parent) { + struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER }; acpi_handle handle; acpi_status status;

+ /* + * If the scope is unknown, the _DSD-equivalent package being parsed + * was embedded in an outer _DSD-equivalent package as a result of + * direct evaluation of an object pointed to by a reference. In that + * case, using a pathname as the target object pointer is invalid. + */ if (!scope) return false;

@@ -157,7 +150,17 @@ static bool acpi_nondev_subnode_ok(acpi_handle scope, if (ACPI_FAILURE(status)) return false;

- return acpi_nondev_subnode_data_ok(handle, link, list, parent); + status = acpi_evaluate_object_typed(handle, NULL, NULL, &buf, + ACPI_TYPE_PACKAGE); + if (ACPI_FAILURE(status)) + return false; + + if (acpi_nondev_subnode_extract(buf.pointer, handle, link, list, + parent)) + return true; + + ACPI_FREE(buf.pointer); + return false; }

static bool acpi_add_nondev_subnodes(acpi_handle scope, @@ -168,9 +171,12 @@ static bool acpi_add_nondev_subnodes(acpi_handle scope, bool ret = false; int i;

+ /* + * Every element in the links package is expected to represent a link + * to a non-device node in a tree containing device-specific data. + */ for (i = 0; i < links->package.count; i++) { union acpi_object *link, *desc; - acpi_handle handle; bool result;

link = &links->package.elements[i]; @@ -178,26 +184,53 @@ static bool acpi_add_nondev_subnodes(acpi_handle scope, if (link->package.count != 2) continue;

- /* The first one must be a string. */ + /* The first one (the key) must be a string. */ if (link->package.elements[0].type != ACPI_TYPE_STRING) continue;

- /* The second one may be a string, a reference or a package. */ + /* The second one (the target) may be a string or a package. */ switch (link->package.elements[1].type) { case ACPI_TYPE_STRING: + /* + * The string is expected to be a full pathname or a + * pathname segment relative to the given scope. That + * pathname is expected to point to an object returning + * a package that contains _DSD-equivalent information. + */ result = acpi_nondev_subnode_ok(scope, link, list, parent); break; - case ACPI_TYPE_LOCAL_REFERENCE: - handle = link->package.elements[1].reference.handle; - result = acpi_nondev_subnode_data_ok(handle, link, list, - parent); - break; case ACPI_TYPE_PACKAGE: + /* + * This happens when a reference is used in AML to + * point to the target. Since the target is expected + * to be a named object, a reference to it will cause it + * to be avaluated in place and its return package will + * be embedded in the links package at the location of + * the reference. + * + * The target package is expected to contain _DSD- + * equivalent information, but the scope in which it + * is located in the original AML is unknown. Thus + * it cannot contain pathname segments represented as + * strings because there is no way to build full + * pathnames out of them. + */ + acpi_handle_debug(scope, "subnode %s: Unknown scope\n", + link->package.elements[0].string.pointer); desc = &link->package.elements[1]; result = acpi_nondev_subnode_extract(desc, NULL, link, list, parent); break; + case ACPI_TYPE_LOCAL_REFERENCE: + /* + * It is not expected to see any local references in + * the links package because referencing a named object + * should cause it to be evaluated in place. + */ + acpi_handle_info(scope, "subnode %s: Unexpected reference\n", + link->package.elements[0].string.pointer); + fallthrough; default: result = false; break; @@ -357,6 +390,9 @@ static void acpi_untie_nondev_subnodes(struct acpi_device_data *data) struct acpi_data_node *dn;

list_for_each_entry(dn, &data->subnodes, sibling) { + if (!dn->handle) + continue; + acpi_detach_data(dn->handle, acpi_nondev_subnode_tag);

acpi_untie_nondev_subnodes(&dn->data); @@ -371,6 +407,9 @@ static bool acpi_tie_nondev_subnodes(struct acpi_device_data *data) acpi_status status; bool ret;

+ if (!dn->handle) + continue; + status = acpi_attach_data(dn->handle, acpi_nondev_subnode_tag, dn); if (ACPI_FAILURE(status) && status != AE_ALREADY_EXISTS) { acpi_handle_err(dn->handle, "Can't tag data node\n"); diff --git a/drivers/bus/mhi/ep/main.c b/drivers/bus/mhi/ep/main.c index c48f4d9f2c69..558cfb3a06c5 100644 --- a/drivers/bus/mhi/ep/main.c +++ b/drivers/bus/mhi/ep/main.c @@ -387,17 +387,13 @@ static int mhi_ep_read_channel(struct mhi_ep_cntrl *mhi_cntrl, { struct mhi_ep_chan *mhi_chan = &mhi_cntrl->mhi_chan[ring->ch_id]; struct device *dev = &mhi_cntrl->mhi_dev->dev; - size_t tr_len, read_offset, write_offset; + size_t tr_len, read_offset; struct mhi_ep_buf_info buf_info = {}; u32 len = MHI_EP_DEFAULT_MTU; struct mhi_ring_element *el; - bool tr_done = false; void *buf_addr; - u32 buf_left; int ret;

- buf_left = len; - do { /* Don't process the transfer ring if the channel is not in RUNNING state */ if (mhi_chan->state != MHI_CH_STATE_RUNNING) { @@ -410,24 +406,23 @@ static int mhi_ep_read_channel(struct mhi_ep_cntrl *mhi_cntrl, /* Check if there is data pending to be read from previous read operation */ if (mhi_chan->tre_bytes_left) { dev_dbg(dev, "TRE bytes remaining: %u\n", mhi_chan->tre_bytes_left); - tr_len = min(buf_left, mhi_chan->tre_bytes_left); + tr_len = min(len, mhi_chan->tre_bytes_left); } else { mhi_chan->tre_loc = MHI_TRE_DATA_GET_PTR(el); mhi_chan->tre_size = MHI_TRE_DATA_GET_LEN(el); mhi_chan->tre_bytes_left = mhi_chan->tre_size;

- tr_len = min(buf_left, mhi_chan->tre_size); + tr_len = min(len, mhi_chan->tre_size); }

read_offset = mhi_chan->tre_size - mhi_chan->tre_bytes_left; - write_offset = len - buf_left;

buf_addr = kmem_cache_zalloc(mhi_cntrl->tre_buf_cache, GFP_KERNEL); if (!buf_addr) return -ENOMEM;

buf_info.host_addr = mhi_chan->tre_loc + read_offset; - buf_info.dev_addr = buf_addr + write_offset; + buf_info.dev_addr = buf_addr; buf_info.size = tr_len; buf_info.cb = mhi_ep_read_completion; buf_info.cb_buf = buf_addr; @@ -443,16 +438,12 @@ static int mhi_ep_read_channel(struct mhi_ep_cntrl *mhi_cntrl, goto err_free_buf_addr; }

- buf_left -= tr_len; mhi_chan->tre_bytes_left -= tr_len;

- if (!mhi_chan->tre_bytes_left) { - if (MHI_TRE_DATA_GET_IEOT(el)) - tr_done = true; - + if (!mhi_chan->tre_bytes_left) mhi_chan->rd_offset = (mhi_chan->rd_offset + 1) % ring->ring_size; - } - } while (buf_left && !tr_done); + /* Read until the some buffer is left or the ring becomes not empty */ + } while (!mhi_ep_queue_is_empty(mhi_chan->mhi_dev, DMA_TO_DEVICE));

return 0;

@@ -486,15 +477,11 @@ static int mhi_ep_process_ch_ring(struct mhi_ep_ring *ring) mhi_chan->xfer_cb(mhi_chan->mhi_dev, &result); } else { /* UL channel */ - do { - ret = mhi_ep_read_channel(mhi_cntrl, ring); - if (ret < 0) { - dev_err(&mhi_chan->mhi_dev->dev, "Failed to read channel\n"); - return ret; - } - - /* Read until the ring becomes empty */ - } while (!mhi_ep_queue_is_empty(mhi_chan->mhi_dev, DMA_TO_DEVICE)); + ret = mhi_ep_read_channel(mhi_cntrl, ring); + if (ret < 0) { + dev_err(&mhi_chan->mhi_dev->dev, "Failed to read channel\n"); + return ret; + } }

return 0; diff --git a/drivers/bus/mhi/host/init.c b/drivers/bus/mhi/host/init.c index cfd17c02fe20..4af748ff5098 100644 --- a/drivers/bus/mhi/host/init.c +++ b/drivers/bus/mhi/host/init.c @@ -164,7 +164,6 @@ void mhi_deinit_free_irq(struct mhi_controller *mhi_cntrl) int mhi_init_irq_setup(struct mhi_controller *mhi_cntrl) { struct mhi_event *mhi_event = mhi_cntrl->mhi_event; - struct device *dev = &mhi_cntrl->mhi_dev->dev; unsigned long irq_flags = IRQF_SHARED | IRQF_NO_SUSPEND; int i, ret;

@@ -191,7 +190,7 @@ int mhi_init_irq_setup(struct mhi_controller *mhi_cntrl) continue;

if (mhi_event->irq >= mhi_cntrl->nr_irqs) { - dev_err(dev, "irq %d not available for event ring\n", + dev_err(mhi_cntrl->cntrl_dev, "irq %d not available for event ring\n", mhi_event->irq); ret = -EINVAL; goto error_request; @@ -202,7 +201,7 @@ int mhi_init_irq_setup(struct mhi_controller *mhi_cntrl) irq_flags, "mhi", mhi_event); if (ret) { - dev_err(dev, "Error requesting irq:%d for ev:%d\n", + dev_err(mhi_cntrl->cntrl_dev, "Error requesting irq:%d for ev:%d\n", mhi_cntrl->irq[mhi_event->irq], i); goto error_request; } diff --git a/drivers/char/ipmi/ipmi_kcs_sm.c b/drivers/char/ipmi/ipmi_kcs_sm.c index ecfcb50302f6..efda90dcf5b3 100644 --- a/drivers/char/ipmi/ipmi_kcs_sm.c +++ b/drivers/char/ipmi/ipmi_kcs_sm.c @@ -122,10 +122,10 @@ struct si_sm_data { unsigned long error0_timeout; };

-static unsigned int init_kcs_data_with_state(struct si_sm_data *kcs, - struct si_sm_io *io, enum kcs_states state) +static unsigned int init_kcs_data(struct si_sm_data *kcs, + struct si_sm_io *io) { - kcs->state = state; + kcs->state = KCS_IDLE; kcs->io = io; kcs->write_pos = 0; kcs->write_count = 0; @@ -140,12 +140,6 @@ static unsigned int init_kcs_data_with_state(struct si_sm_data *kcs, return 2; }

-static unsigned int init_kcs_data(struct si_sm_data *kcs, - struct si_sm_io *io) -{ - return init_kcs_data_with_state(kcs, io, KCS_IDLE); -} - static inline unsigned char read_status(struct si_sm_data *kcs) { return kcs->io->inputb(kcs->io, 1); @@ -276,7 +270,7 @@ static int start_kcs_transaction(struct si_sm_data *kcs, unsigned char *data, if (size > MAX_KCS_WRITE_SIZE) return IPMI_REQ_LEN_EXCEEDED_ERR;

- if (kcs->state != KCS_IDLE) { + if ((kcs->state != KCS_IDLE) && (kcs->state != KCS_HOSED)) { dev_warn(kcs->io->dev, "KCS in invalid state %d\n", kcs->state); return IPMI_NOT_IN_MY_STATE_ERR; } @@ -501,7 +495,7 @@ static enum si_sm_result kcs_event(struct si_sm_data *kcs, long time) }

if (kcs->state == KCS_HOSED) { - init_kcs_data_with_state(kcs, kcs->io, KCS_ERROR0); + init_kcs_data(kcs, kcs->io); return SI_SM_HOSED; }

diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 96f175bd6d9f..b7d8bf202ed2 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -39,7 +39,9 @@

#define IPMI_DRIVER_VERSION "39.2"

-static struct ipmi_recv_msg *ipmi_alloc_recv_msg(void); +static struct ipmi_recv_msg *ipmi_alloc_recv_msg(struct ipmi_user *user); +static void ipmi_set_recv_msg_user(struct ipmi_recv_msg *msg, + struct ipmi_user *user); static int ipmi_init_msghandler(void); static void smi_recv_tasklet(struct tasklet_struct *t); static void handle_new_recv_msgs(struct ipmi_smi *intf); @@ -939,13 +941,11 @@ static int deliver_response(struct ipmi_smi *intf, struct ipmi_recv_msg *msg) * risk. At this moment, simply skip it in that case. */ ipmi_free_recv_msg(msg); - atomic_dec(&msg->user->nr_msgs); } else { int index; struct ipmi_user *user = acquire_ipmi_user(msg->user, &index);

if (user) { - atomic_dec(&user->nr_msgs); user->handler->ipmi_recv_hndl(msg, user->handler_data); release_ipmi_user(user, index); } else { @@ -1634,8 +1634,7 @@ int ipmi_set_gets_events(struct ipmi_user *user, bool val) spin_unlock_irqrestore(&intf->events_lock, flags);

list_for_each_entry_safe(msg, msg2, &msgs, link) { - msg->user = user; - kref_get(&user->refcount); + ipmi_set_recv_msg_user(msg, user); deliver_local_response(intf, msg); }

@@ -2309,22 +2308,18 @@ static int i_ipmi_request(struct ipmi_user *user, struct ipmi_recv_msg *recv_msg; int rv = 0;

- if (user) { - if (atomic_add_return(1, &user->nr_msgs) > max_msgs_per_user) { - /* Decrement will happen at the end of the routine. */ - rv = -EBUSY; - goto out; - } - } - - if (supplied_recv) + if (supplied_recv) { recv_msg = supplied_recv; - else { - recv_msg = ipmi_alloc_recv_msg(); - if (recv_msg == NULL) { - rv = -ENOMEM; - goto out; + recv_msg->user = user; + if (user) { + atomic_inc(&user->nr_msgs); + /* The put happens when the message is freed. */ + kref_get(&user->refcount); } + } else { + recv_msg = ipmi_alloc_recv_msg(user); + if (IS_ERR(recv_msg)) + return PTR_ERR(recv_msg); } recv_msg->user_msg_data = user_msg_data;

@@ -2335,8 +2330,7 @@ static int i_ipmi_request(struct ipmi_user *user, if (smi_msg == NULL) { if (!supplied_recv) ipmi_free_recv_msg(recv_msg); - rv = -ENOMEM; - goto out; + return -ENOMEM; } }

@@ -2346,10 +2340,6 @@ static int i_ipmi_request(struct ipmi_user *user, goto out_err; }

- recv_msg->user = user; - if (user) - /* The put happens when the message is freed. */ - kref_get(&user->refcount); recv_msg->msgid = msgid; /* * Store the message to send in the receive message so timeout @@ -2378,8 +2368,10 @@ static int i_ipmi_request(struct ipmi_user *user,

if (rv) { out_err: - ipmi_free_smi_msg(smi_msg); - ipmi_free_recv_msg(recv_msg); + if (!supplied_smi) + ipmi_free_smi_msg(smi_msg); + if (!supplied_recv) + ipmi_free_recv_msg(recv_msg); } else { dev_dbg(intf->si_dev, "Send: %*ph\n", smi_msg->data_size, smi_msg->data); @@ -2388,9 +2380,6 @@ static int i_ipmi_request(struct ipmi_user *user, } rcu_read_unlock();

-out: - if (rv && user) - atomic_dec(&user->nr_msgs); return rv; }

@@ -3883,7 +3872,7 @@ static int handle_ipmb_get_msg_cmd(struct ipmi_smi *intf, unsigned char chan; struct ipmi_user *user = NULL; struct ipmi_ipmb_addr *ipmb_addr; - struct ipmi_recv_msg *recv_msg; + struct ipmi_recv_msg *recv_msg = NULL;

if (msg->rsp_size < 10) { /* Message not big enough, just ignore it. */ @@ -3904,9 +3893,8 @@ static int handle_ipmb_get_msg_cmd(struct ipmi_smi *intf, rcvr = find_cmd_rcvr(intf, netfn, cmd, chan); if (rcvr) { user = rcvr->user; - kref_get(&user->refcount); - } else - user = NULL; + recv_msg = ipmi_alloc_recv_msg(user); + } rcu_read_unlock();

if (user == NULL) { @@ -3941,47 +3929,41 @@ static int handle_ipmb_get_msg_cmd(struct ipmi_smi *intf, rv = -1; } rcu_read_unlock(); - } else { - recv_msg = ipmi_alloc_recv_msg(); - if (!recv_msg) { - /* - * We couldn't allocate memory for the - * message, so requeue it for handling - * later. - */ - rv = 1; - kref_put(&user->refcount, free_user); - } else { - /* Extract the source address from the data. */ - ipmb_addr = (struct ipmi_ipmb_addr *) &recv_msg->addr; - ipmb_addr->addr_type = IPMI_IPMB_ADDR_TYPE; - ipmb_addr->slave_addr = msg->rsp[6]; - ipmb_addr->lun = msg->rsp[7] & 3; - ipmb_addr->channel = msg->rsp[3] & 0xf; + } else if (!IS_ERR(recv_msg)) { + /* Extract the source address from the data. */ + ipmb_addr = (struct ipmi_ipmb_addr *) &recv_msg->addr; + ipmb_addr->addr_type = IPMI_IPMB_ADDR_TYPE; + ipmb_addr->slave_addr = msg->rsp[6]; + ipmb_addr->lun = msg->rsp[7] & 3; + ipmb_addr->channel = msg->rsp[3] & 0xf;

- /* - * Extract the rest of the message information - * from the IPMB header. - */ - recv_msg->user = user; - recv_msg->recv_type = IPMI_CMD_RECV_TYPE; - recv_msg->msgid = msg->rsp[7] >> 2; - recv_msg->msg.netfn = msg->rsp[4] >> 2; - recv_msg->msg.cmd = msg->rsp[8]; - recv_msg->msg.data = recv_msg->msg_data; + /* + * Extract the rest of the message information + * from the IPMB header. + */ + recv_msg->recv_type = IPMI_CMD_RECV_TYPE; + recv_msg->msgid = msg->rsp[7] >> 2; + recv_msg->msg.netfn = msg->rsp[4] >> 2; + recv_msg->msg.cmd = msg->rsp[8]; + recv_msg->msg.data = recv_msg->msg_data;

- /* - * We chop off 10, not 9 bytes because the checksum - * at the end also needs to be removed. - */ - recv_msg->msg.data_len = msg->rsp_size - 10; - memcpy(recv_msg->msg_data, &msg->rsp[9], - msg->rsp_size - 10); - if (deliver_response(intf, recv_msg)) - ipmi_inc_stat(intf, unhandled_commands); - else - ipmi_inc_stat(intf, handled_commands); - } + /* + * We chop off 10, not 9 bytes because the checksum + * at the end also needs to be removed. + */ + recv_msg->msg.data_len = msg->rsp_size - 10; + memcpy(recv_msg->msg_data, &msg->rsp[9], + msg->rsp_size - 10); + if (deliver_response(intf, recv_msg)) + ipmi_inc_stat(intf, unhandled_commands); + else + ipmi_inc_stat(intf, handled_commands); + } else { + /* + * We couldn't allocate memory for the message, so + * requeue it for handling later. + */ + rv = 1; }

return rv; @@ -3994,7 +3976,7 @@ static int handle_ipmb_direct_rcv_cmd(struct ipmi_smi *intf, int rv = 0; struct ipmi_user *user = NULL; struct ipmi_ipmb_direct_addr *daddr; - struct ipmi_recv_msg *recv_msg; + struct ipmi_recv_msg *recv_msg = NULL; unsigned char netfn = msg->rsp[0] >> 2; unsigned char cmd = msg->rsp[3];

@@ -4003,9 +3985,8 @@ static int handle_ipmb_direct_rcv_cmd(struct ipmi_smi *intf, rcvr = find_cmd_rcvr(intf, netfn, cmd, 0); if (rcvr) { user = rcvr->user; - kref_get(&user->refcount); - } else - user = NULL; + recv_msg = ipmi_alloc_recv_msg(user); + } rcu_read_unlock();

if (user == NULL) { @@ -4032,44 +4013,38 @@ static int handle_ipmb_direct_rcv_cmd(struct ipmi_smi *intf, rv = -1; } rcu_read_unlock(); - } else { - recv_msg = ipmi_alloc_recv_msg(); - if (!recv_msg) { - /* - * We couldn't allocate memory for the - * message, so requeue it for handling - * later. - */ - rv = 1; - kref_put(&user->refcount, free_user); - } else { - /* Extract the source address from the data. */ - daddr = (struct ipmi_ipmb_direct_addr *)&recv_msg->addr; - daddr->addr_type = IPMI_IPMB_DIRECT_ADDR_TYPE; - daddr->channel = 0; - daddr->slave_addr = msg->rsp[1]; - daddr->rs_lun = msg->rsp[0] & 3; - daddr->rq_lun = msg->rsp[2] & 3; + } else if (!IS_ERR(recv_msg)) { + /* Extract the source address from the data. */ + daddr = (struct ipmi_ipmb_direct_addr *)&recv_msg->addr; + daddr->addr_type = IPMI_IPMB_DIRECT_ADDR_TYPE; + daddr->channel = 0; + daddr->slave_addr = msg->rsp[1]; + daddr->rs_lun = msg->rsp[0] & 3; + daddr->rq_lun = msg->rsp[2] & 3;

- /* - * Extract the rest of the message information - * from the IPMB header. - */ - recv_msg->user = user; - recv_msg->recv_type = IPMI_CMD_RECV_TYPE; - recv_msg->msgid = (msg->rsp[2] >> 2); - recv_msg->msg.netfn = msg->rsp[0] >> 2; - recv_msg->msg.cmd = msg->rsp[3]; - recv_msg->msg.data = recv_msg->msg_data; - - recv_msg->msg.data_len = msg->rsp_size - 4; - memcpy(recv_msg->msg_data, msg->rsp + 4, - msg->rsp_size - 4); - if (deliver_response(intf, recv_msg)) - ipmi_inc_stat(intf, unhandled_commands); - else - ipmi_inc_stat(intf, handled_commands); - } + /* + * Extract the rest of the message information + * from the IPMB header. + */ + recv_msg->recv_type = IPMI_CMD_RECV_TYPE; + recv_msg->msgid = (msg->rsp[2] >> 2); + recv_msg->msg.netfn = msg->rsp[0] >> 2; + recv_msg->msg.cmd = msg->rsp[3]; + recv_msg->msg.data = recv_msg->msg_data; + + recv_msg->msg.data_len = msg->rsp_size - 4; + memcpy(recv_msg->msg_data, msg->rsp + 4, + msg->rsp_size - 4); + if (deliver_response(intf, recv_msg)) + ipmi_inc_stat(intf, unhandled_commands); + else + ipmi_inc_stat(intf, handled_commands); + } else { + /* + * We couldn't allocate memory for the message, so + * requeue it for handling later. + */ + rv = 1; }

return rv; @@ -4183,7 +4158,7 @@ static int handle_lan_get_msg_cmd(struct ipmi_smi *intf, unsigned char chan; struct ipmi_user *user = NULL; struct ipmi_lan_addr *lan_addr; - struct ipmi_recv_msg *recv_msg; + struct ipmi_recv_msg *recv_msg = NULL;

if (msg->rsp_size < 12) { /* Message not big enough, just ignore it. */ @@ -4204,9 +4179,8 @@ static int handle_lan_get_msg_cmd(struct ipmi_smi *intf, rcvr = find_cmd_rcvr(intf, netfn, cmd, chan); if (rcvr) { user = rcvr->user; - kref_get(&user->refcount); - } else - user = NULL; + recv_msg = ipmi_alloc_recv_msg(user); + } rcu_read_unlock();

if (user == NULL) { @@ -4218,49 +4192,44 @@ static int handle_lan_get_msg_cmd(struct ipmi_smi *intf, * them to be freed. */ rv = 0; - } else { - recv_msg = ipmi_alloc_recv_msg(); - if (!recv_msg) { - /* - * We couldn't allocate memory for the - * message, so requeue it for handling later. - */ - rv = 1; - kref_put(&user->refcount, free_user); - } else { - /* Extract the source address from the data. */ - lan_addr = (struct ipmi_lan_addr *) &recv_msg->addr; - lan_addr->addr_type = IPMI_LAN_ADDR_TYPE; - lan_addr->session_handle = msg->rsp[4]; - lan_addr->remote_SWID = msg->rsp[8]; - lan_addr->local_SWID = msg->rsp[5]; - lan_addr->lun = msg->rsp[9] & 3; - lan_addr->channel = msg->rsp[3] & 0xf; - lan_addr->privilege = msg->rsp[3] >> 4; + } else if (!IS_ERR(recv_msg)) { + /* Extract the source address from the data. */ + lan_addr = (struct ipmi_lan_addr *) &recv_msg->addr; + lan_addr->addr_type = IPMI_LAN_ADDR_TYPE; + lan_addr->session_handle = msg->rsp[4]; + lan_addr->remote_SWID = msg->rsp[8]; + lan_addr->local_SWID = msg->rsp[5]; + lan_addr->lun = msg->rsp[9] & 3; + lan_addr->channel = msg->rsp[3] & 0xf; + lan_addr->privilege = msg->rsp[3] >> 4;

- /* - * Extract the rest of the message information - * from the IPMB header. - */ - recv_msg->user = user; - recv_msg->recv_type = IPMI_CMD_RECV_TYPE; - recv_msg->msgid = msg->rsp[9] >> 2; - recv_msg->msg.netfn = msg->rsp[6] >> 2; - recv_msg->msg.cmd = msg->rsp[10]; - recv_msg->msg.data = recv_msg->msg_data; + /* + * Extract the rest of the message information + * from the IPMB header. + */ + recv_msg->recv_type = IPMI_CMD_RECV_TYPE; + recv_msg->msgid = msg->rsp[9] >> 2; + recv_msg->msg.netfn = msg->rsp[6] >> 2; + recv_msg->msg.cmd = msg->rsp[10]; + recv_msg->msg.data = recv_msg->msg_data;

- /* - * We chop off 12, not 11 bytes because the checksum - * at the end also needs to be removed. - */ - recv_msg->msg.data_len = msg->rsp_size - 12; - memcpy(recv_msg->msg_data, &msg->rsp[11], - msg->rsp_size - 12); - if (deliver_response(intf, recv_msg)) - ipmi_inc_stat(intf, unhandled_commands); - else - ipmi_inc_stat(intf, handled_commands); - } + /* + * We chop off 12, not 11 bytes because the checksum + * at the end also needs to be removed. + */ + recv_msg->msg.data_len = msg->rsp_size - 12; + memcpy(recv_msg->msg_data, &msg->rsp[11], + msg->rsp_size - 12); + if (deliver_response(intf, recv_msg)) + ipmi_inc_stat(intf, unhandled_commands); + else + ipmi_inc_stat(intf, handled_commands); + } else { + /* + * We couldn't allocate memory for the message, so + * requeue it for handling later. + */ + rv = 1; }

return rv; @@ -4282,7 +4251,7 @@ static int handle_oem_get_msg_cmd(struct ipmi_smi *intf, unsigned char chan; struct ipmi_user *user = NULL; struct ipmi_system_interface_addr *smi_addr; - struct ipmi_recv_msg *recv_msg; + struct ipmi_recv_msg *recv_msg = NULL;

/* * We expect the OEM SW to perform error checking @@ -4311,9 +4280,8 @@ static int handle_oem_get_msg_cmd(struct ipmi_smi *intf, rcvr = find_cmd_rcvr(intf, netfn, cmd, chan); if (rcvr) { user = rcvr->user; - kref_get(&user->refcount); - } else - user = NULL; + recv_msg = ipmi_alloc_recv_msg(user); + } rcu_read_unlock();

if (user == NULL) { @@ -4326,48 +4294,42 @@ static int handle_oem_get_msg_cmd(struct ipmi_smi *intf, */

rv = 0; - } else { - recv_msg = ipmi_alloc_recv_msg(); - if (!recv_msg) { - /* - * We couldn't allocate memory for the - * message, so requeue it for handling - * later. - */ - rv = 1; - kref_put(&user->refcount, free_user); - } else { - /* - * OEM Messages are expected to be delivered via - * the system interface to SMS software. We might - * need to visit this again depending on OEM - * requirements - */ - smi_addr = ((struct ipmi_system_interface_addr *) - &recv_msg->addr); - smi_addr->addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE; - smi_addr->channel = IPMI_BMC_CHANNEL; - smi_addr->lun = msg->rsp[0] & 3; - - recv_msg->user = user; - recv_msg->user_msg_data = NULL; - recv_msg->recv_type = IPMI_OEM_RECV_TYPE; - recv_msg->msg.netfn = msg->rsp[0] >> 2; - recv_msg->msg.cmd = msg->rsp[1]; - recv_msg->msg.data = recv_msg->msg_data; + } else if (!IS_ERR(recv_msg)) { + /* + * OEM Messages are expected to be delivered via + * the system interface to SMS software. We might + * need to visit this again depending on OEM + * requirements + */ + smi_addr = ((struct ipmi_system_interface_addr *) + &recv_msg->addr); + smi_addr->addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE; + smi_addr->channel = IPMI_BMC_CHANNEL; + smi_addr->lun = msg->rsp[0] & 3; + + recv_msg->user_msg_data = NULL; + recv_msg->recv_type = IPMI_OEM_RECV_TYPE; + recv_msg->msg.netfn = msg->rsp[0] >> 2; + recv_msg->msg.cmd = msg->rsp[1]; + recv_msg->msg.data = recv_msg->msg_data;

- /* - * The message starts at byte 4 which follows the - * Channel Byte in the "GET MESSAGE" command - */ - recv_msg->msg.data_len = msg->rsp_size - 4; - memcpy(recv_msg->msg_data, &msg->rsp[4], - msg->rsp_size - 4); - if (deliver_response(intf, recv_msg)) - ipmi_inc_stat(intf, unhandled_commands); - else - ipmi_inc_stat(intf, handled_commands); - } + /* + * The message starts at byte 4 which follows the + * Channel Byte in the "GET MESSAGE" command + */ + recv_msg->msg.data_len = msg->rsp_size - 4; + memcpy(recv_msg->msg_data, &msg->rsp[4], + msg->rsp_size - 4); + if (deliver_response(intf, recv_msg)) + ipmi_inc_stat(intf, unhandled_commands); + else + ipmi_inc_stat(intf, handled_commands); + } else { + /* + * We couldn't allocate memory for the message, so + * requeue it for handling later. + */ + rv = 1; }

return rv; @@ -4426,8 +4388,8 @@ static int handle_read_event_rsp(struct ipmi_smi *intf, if (!user->gets_events) continue;

- recv_msg = ipmi_alloc_recv_msg(); - if (!recv_msg) { + recv_msg = ipmi_alloc_recv_msg(user); + if (IS_ERR(recv_msg)) { rcu_read_unlock(); list_for_each_entry_safe(recv_msg, recv_msg2, &msgs, link) { @@ -4446,8 +4408,6 @@ static int handle_read_event_rsp(struct ipmi_smi *intf, deliver_count++;

copy_event_into_recv_msg(recv_msg, msg); - recv_msg->user = user; - kref_get(&user->refcount); list_add_tail(&recv_msg->link, &msgs); } srcu_read_unlock(&intf->users_srcu, index); @@ -4463,8 +4423,8 @@ static int handle_read_event_rsp(struct ipmi_smi *intf, * No one to receive the message, put it in queue if there's * not already too many things in the queue. */ - recv_msg = ipmi_alloc_recv_msg(); - if (!recv_msg) { + recv_msg = ipmi_alloc_recv_msg(NULL); + if (IS_ERR(recv_msg)) { /* * We couldn't allocate memory for the * message, so requeue it for handling @@ -5156,27 +5116,51 @@ static void free_recv_msg(struct ipmi_recv_msg *msg) kfree(msg); }

-static struct ipmi_recv_msg *ipmi_alloc_recv_msg(void) +static struct ipmi_recv_msg *ipmi_alloc_recv_msg(struct ipmi_user *user) { struct ipmi_recv_msg *rv;

+ if (user) { + if (atomic_add_return(1, &user->nr_msgs) > max_msgs_per_user) { + atomic_dec(&user->nr_msgs); + return ERR_PTR(-EBUSY); + } + } + rv = kmalloc(sizeof(struct ipmi_recv_msg), GFP_ATOMIC); - if (rv) { - rv->user = NULL; - rv->done = free_recv_msg; - atomic_inc(&recv_msg_inuse_count); + if (!rv) { + if (user) + atomic_dec(&user->nr_msgs); + return ERR_PTR(-ENOMEM); } + + rv->user = user; + rv->done = free_recv_msg; + if (user) + kref_get(&user->refcount); + atomic_inc(&recv_msg_inuse_count); return rv; }

void ipmi_free_recv_msg(struct ipmi_recv_msg *msg) { - if (msg->user && !oops_in_progress) + if (msg->user && !oops_in_progress) { + atomic_dec(&msg->user->nr_msgs); kref_put(&msg->user->refcount, free_user); + } msg->done(msg); } EXPORT_SYMBOL(ipmi_free_recv_msg);

+static void ipmi_set_recv_msg_user(struct ipmi_recv_msg *msg, + struct ipmi_user *user) +{ + WARN_ON_ONCE(msg->user); /* User should not be set. */ + msg->user = user; + atomic_inc(&user->nr_msgs); + kref_get(&user->refcount); +} + static atomic_t panic_done_count = ATOMIC_INIT(0);

static void dummy_smi_done_handler(struct ipmi_smi_msg *msg) diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index c71e61ccb95a..5e6ee5b82b8f 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -977,8 +977,8 @@ static int tpm_tis_probe_irq_single(struct tpm_chip *chip, u32 intmask, * will call disable_irq which undoes all of the above. */ if (!(chip->flags & TPM_CHIP_FLAG_IRQ)) { - tpm_tis_write8(priv, original_int_vec, - TPM_INT_VECTOR(priv->locality)); + tpm_tis_write8(priv, TPM_INT_VECTOR(priv->locality), + original_int_vec); rc = -1; }

diff --git a/drivers/clk/at91/clk-peripheral.c b/drivers/clk/at91/clk-peripheral.c index c173a44c800a..629f050a855a 100644 --- a/drivers/clk/at91/clk-peripheral.c +++ b/drivers/clk/at91/clk-peripheral.c @@ -279,8 +279,11 @@ static int clk_sam9x5_peripheral_determine_rate(struct clk_hw *hw, long best_diff = LONG_MIN; u32 shift;

- if (periph->id < PERIPHERAL_ID_MIN || !periph->range.max) - return parent_rate; + if (periph->id < PERIPHERAL_ID_MIN || !periph->range.max) { + req->rate = parent_rate; + + return 0; + }

/* Fist step: check the available dividers. */ for (shift = 0; shift <= PERIPHERAL_MAX_SHIFT; shift++) { diff --git a/drivers/clk/mediatek/clk-mt8195-infra_ao.c b/drivers/clk/mediatek/clk-mt8195-infra_ao.c index dfba6eb61ccf..4ecdf9ae0244 100644 --- a/drivers/clk/mediatek/clk-mt8195-infra_ao.c +++ b/drivers/clk/mediatek/clk-mt8195-infra_ao.c @@ -103,7 +103,7 @@ static const struct mtk_gate infra_ao_clks[] = { GATE_INFRA_AO0(CLK_INFRA_AO_CQ_DMA_FPC, "infra_ao_cq_dma_fpc", "fpc", 28), GATE_INFRA_AO0(CLK_INFRA_AO_UART5, "infra_ao_uart5", "top_uart", 29), /* INFRA_AO1 */ - GATE_INFRA_AO1(CLK_INFRA_AO_HDMI_26M, "infra_ao_hdmi_26m", "clk26m", 0), + GATE_INFRA_AO1(CLK_INFRA_AO_HDMI_26M, "infra_ao_hdmi_26m", "top_hdmi_xtal", 0), GATE_INFRA_AO1(CLK_INFRA_AO_SPI0, "infra_ao_spi0", "top_spi", 1), GATE_INFRA_AO1(CLK_INFRA_AO_MSDC0, "infra_ao_msdc0", "top_msdc50_0_hclk", 2), GATE_INFRA_AO1(CLK_INFRA_AO_MSDC1, "infra_ao_msdc1", "top_axi", 4), diff --git a/drivers/clk/mediatek/clk-mux.c b/drivers/clk/mediatek/clk-mux.c index c93bc7f926e5..359f92df826b 100644 --- a/drivers/clk/mediatek/clk-mux.c +++ b/drivers/clk/mediatek/clk-mux.c @@ -132,9 +132,7 @@ static int mtk_clk_mux_set_parent_setclr_lock(struct clk_hw *hw, u8 index) static int mtk_clk_mux_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { - struct mtk_clk_mux *mux = to_mtk_clk_mux(hw); - - return clk_mux_determine_rate_flags(hw, req, mux->data->flags); + return clk_mux_determine_rate_flags(hw, req, 0); }

const struct clk_ops mtk_mux_clr_set_upd_ops = { diff --git a/drivers/clk/nxp/clk-lpc18xx-cgu.c b/drivers/clk/nxp/clk-lpc18xx-cgu.c index 69ebf65081b8..bbd7d64038fa 100644 --- a/drivers/clk/nxp/clk-lpc18xx-cgu.c +++ b/drivers/clk/nxp/clk-lpc18xx-cgu.c @@ -371,23 +371,25 @@ static unsigned long lpc18xx_pll0_recalc_rate(struct clk_hw *hw, return 0; }

-static long lpc18xx_pll0_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) +static int lpc18xx_pll0_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { unsigned long m;

- if (*prate < rate) { + if (req->best_parent_rate < req->rate) { pr_warn("%s: pll dividers not supported\n", __func__); return -EINVAL; }

- m = DIV_ROUND_UP_ULL(*prate, rate * 2); - if (m <= 0 && m > LPC18XX_PLL0_MSEL_MAX) { - pr_warn("%s: unable to support rate %lu\n", __func__, rate); + m = DIV_ROUND_UP_ULL(req->best_parent_rate, req->rate * 2); + if (m == 0 || m > LPC18XX_PLL0_MSEL_MAX) { + pr_warn("%s: unable to support rate %lu\n", __func__, req->rate); return -EINVAL; }

- return 2 * *prate * m; + req->rate = 2 * req->best_parent_rate * m; + + return 0; }

static int lpc18xx_pll0_set_rate(struct clk_hw *hw, unsigned long rate, @@ -403,7 +405,7 @@ static int lpc18xx_pll0_set_rate(struct clk_hw *hw, unsigned long rate, }

m = DIV_ROUND_UP_ULL(parent_rate, rate * 2); - if (m <= 0 && m > LPC18XX_PLL0_MSEL_MAX) { + if (m == 0 || m > LPC18XX_PLL0_MSEL_MAX) { pr_warn("%s: unable to support rate %lu\n", __func__, rate); return -EINVAL; } @@ -444,7 +446,7 @@ static int lpc18xx_pll0_set_rate(struct clk_hw *hw, unsigned long rate,

static const struct clk_ops lpc18xx_pll0_ops = { .recalc_rate = lpc18xx_pll0_recalc_rate, - .round_rate = lpc18xx_pll0_round_rate, + .determine_rate = lpc18xx_pll0_determine_rate, .set_rate = lpc18xx_pll0_set_rate, };

diff --git a/drivers/clk/tegra/clk-bpmp.c b/drivers/clk/tegra/clk-bpmp.c index 7bfba0afd778..4ec408c3a26a 100644 --- a/drivers/clk/tegra/clk-bpmp.c +++ b/drivers/clk/tegra/clk-bpmp.c @@ -635,7 +635,7 @@ static int tegra_bpmp_register_clocks(struct tegra_bpmp *bpmp,

bpmp->num_clocks = count;

- bpmp->clocks = devm_kcalloc(bpmp->dev, count, sizeof(struct tegra_bpmp_clk), GFP_KERNEL); + bpmp->clocks = devm_kcalloc(bpmp->dev, count, sizeof(*bpmp->clocks), GFP_KERNEL); if (!bpmp->clocks) return -ENOMEM;

diff --git a/drivers/clocksource/clps711x-timer.c b/drivers/clocksource/clps711x-timer.c index e95fdc49c226..bbceb0289d45 100644 --- a/drivers/clocksource/clps711x-timer.c +++ b/drivers/clocksource/clps711x-timer.c @@ -78,24 +78,33 @@ static int __init clps711x_timer_init(struct device_node *np) unsigned int irq = irq_of_parse_and_map(np, 0); struct clk *clock = of_clk_get(np, 0); void __iomem *base = of_iomap(np, 0); + int ret = 0;

if (!base) return -ENOMEM; - if (!irq) - return -EINVAL; - if (IS_ERR(clock)) - return PTR_ERR(clock); + if (!irq) { + ret = -EINVAL; + goto unmap_io; + } + if (IS_ERR(clock)) { + ret = PTR_ERR(clock); + goto unmap_io; + }

switch (of_alias_get_id(np, "timer")) { case CLPS711X_CLKSRC_CLOCKSOURCE: clps711x_clksrc_init(clock, base); break; case CLPS711X_CLKSRC_CLOCKEVENT: - return _clps711x_clkevt_init(clock, base, irq); + ret = _clps711x_clkevt_init(clock, base, irq); + break; default: - return -EINVAL; + ret = -EINVAL; + break; }

- return 0; +unmap_io: + iounmap(base); + return ret; } TIMER_OF_DECLARE(clps711x, "cirrus,ep7209-timer", clps711x_timer_init); diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index ed782c0b48af..60b4e3b608c0 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1341,10 +1341,10 @@ static void update_qos_request(enum freq_qos_req_type type) continue;

req = policy->driver_data; - cpufreq_cpu_put(policy); - - if (!req) + if (!req) { + cpufreq_cpu_put(policy); continue; + }

if (hwp_active) intel_pstate_get_hwp_cap(cpu); @@ -1360,6 +1360,8 @@ static void update_qos_request(enum freq_qos_req_type type)

if (freq_qos_update_request(req, freq) < 0) pr_warn("Failed to update freq constraint: CPU%d\n", i); + + cpufreq_cpu_put(policy); } }

diff --git a/drivers/cpufreq/tegra186-cpufreq.c b/drivers/cpufreq/tegra186-cpufreq.c index 7b8fcfa55038..39186008afbf 100644 --- a/drivers/cpufreq/tegra186-cpufreq.c +++ b/drivers/cpufreq/tegra186-cpufreq.c @@ -86,10 +86,14 @@ static int tegra186_cpufreq_set_target(struct cpufreq_policy *policy, { struct tegra186_cpufreq_data *data = cpufreq_get_driver_data(); struct cpufreq_frequency_table *tbl = policy->freq_table + index; - unsigned int edvd_offset = data->cpus[policy->cpu].edvd_offset; + unsigned int edvd_offset; u32 edvd_val = tbl->driver_data; + u32 cpu;

- writel(edvd_val, data->regs + edvd_offset); + for_each_cpu(cpu, policy->cpus) { + edvd_offset = data->cpus[cpu].edvd_offset; + writel(edvd_val, data->regs + edvd_offset); + }

return 0; } diff --git a/drivers/crypto/aspeed/aspeed-hace-crypto.c b/drivers/crypto/aspeed/aspeed-hace-crypto.c index f0eddb7854e5..15e843b4854d 100644 --- a/drivers/crypto/aspeed/aspeed-hace-crypto.c +++ b/drivers/crypto/aspeed/aspeed-hace-crypto.c @@ -346,7 +346,7 @@ static int aspeed_sk_start_sg(struct aspeed_hace_dev *hace_dev)

} else { dma_unmap_sg(hace_dev->dev, req->dst, rctx->dst_nents, - DMA_TO_DEVICE); + DMA_FROM_DEVICE); dma_unmap_sg(hace_dev->dev, req->src, rctx->src_nents, DMA_TO_DEVICE); } diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c index 099b32a10dd7..d234495f1115 100644 --- a/drivers/crypto/atmel-tdes.c +++ b/drivers/crypto/atmel-tdes.c @@ -548,7 +548,7 @@ static int atmel_tdes_crypt_start(struct atmel_tdes_dev *dd)

if (err && (dd->flags & TDES_FLAGS_FAST)) { dma_unmap_sg(dd->dev, dd->in_sg, 1, DMA_TO_DEVICE); - dma_unmap_sg(dd->dev, dd->out_sg, 1, DMA_TO_DEVICE); + dma_unmap_sg(dd->dev, dd->out_sg, 1, DMA_FROM_DEVICE); }

return err; diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c index 29c9537216fa..8f3406289df4 100644 --- a/drivers/crypto/rockchip/rk3288_crypto_ahash.c +++ b/drivers/crypto/rockchip/rk3288_crypto_ahash.c @@ -252,7 +252,7 @@ static void rk_hash_unprepare(struct crypto_engine *engine, void *breq) struct rk_ahash_rctx *rctx = ahash_request_ctx(areq); struct rk_crypto_info *rkc = rctx->dev;

- dma_unmap_sg(rkc->dev, areq->src, rctx->nrsg, DMA_TO_DEVICE); + dma_unmap_sg(rkc->dev, areq->src, sg_nents(areq->src), DMA_TO_DEVICE); }

static int rk_hash_run(struct crypto_engine *engine, void *breq) diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c index 9a2656d73600..b39f395c077e 100644 --- a/drivers/firmware/meson/meson_sm.c +++ b/drivers/firmware/meson/meson_sm.c @@ -225,11 +225,16 @@ EXPORT_SYMBOL(meson_sm_call_write); struct meson_sm_firmware *meson_sm_get(struct device_node *sm_node) { struct platform_device *pdev = of_find_device_by_node(sm_node); + struct meson_sm_firmware *fw;

if (!pdev) return NULL;

- return platform_get_drvdata(pdev); + fw = platform_get_drvdata(pdev); + + put_device(&pdev->dev); + + return fw; } EXPORT_SYMBOL_GPL(meson_sm_get);

diff --git a/drivers/gpio/gpio-wcd934x.c b/drivers/gpio/gpio-wcd934x.c index cfa7b0a50c8e..03b16b8f639a 100644 --- a/drivers/gpio/gpio-wcd934x.c +++ b/drivers/gpio/gpio-wcd934x.c @@ -102,7 +102,7 @@ static int wcd_gpio_probe(struct platform_device *pdev) chip->base = -1; chip->ngpio = WCD934X_NPINS; chip->label = dev_name(dev); - chip->can_sleep = false; + chip->can_sleep = true;

return devm_gpiochip_add_data(dev, chip, data); } diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c index 670d5ab9d998..f97c18267708 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c @@ -154,10 +154,13 @@ static bool dce60_setup_scaling_configuration( REG_SET(SCL_BYPASS_CONTROL, 0, SCL_BYPASS_MODE, 0);

if (data->taps.h_taps + data->taps.v_taps <= 2) { - /* Set bypass */ - - /* DCE6 has no SCL_MODE register, skip scale mode programming */ + /* Disable scaler functionality */ + REG_WRITE(SCL_SCALER_ENABLE, 0);

+ /* Clear registers that can cause glitches even when the scaler is off */ + REG_WRITE(SCL_TAP_CONTROL, 0); + REG_WRITE(SCL_AUTOMATIC_MODE_CONTROL, 0); + REG_WRITE(SCL_F_SHARP_CONTROL, 0); return false; }

@@ -165,7 +168,7 @@ static bool dce60_setup_scaling_configuration( SCL_H_NUM_OF_TAPS, data->taps.h_taps - 1, SCL_V_NUM_OF_TAPS, data->taps.v_taps - 1);

- /* DCE6 has no SCL_MODE register, skip scale mode programming */ + REG_WRITE(SCL_SCALER_ENABLE, 1);

/* DCE6 has no SCL_BOUNDARY_MODE bit, skip replace out of bound pixels */

@@ -502,6 +505,8 @@ static void dce60_transform_set_scaler( REG_SET(DC_LB_MEM_SIZE, 0, DC_LB_MEM_SIZE, xfm_dce->lb_memory_size);

+ REG_WRITE(SCL_UPDATE, 0x00010000); + /* Clear SCL_F_SHARP_CONTROL value to 0 */ REG_WRITE(SCL_F_SHARP_CONTROL, 0);

@@ -527,8 +532,7 @@ static void dce60_transform_set_scaler( if (coeffs_v != xfm_dce->filter_v || coeffs_h != xfm_dce->filter_h) { /* 4. Program vertical filters */ if (xfm_dce->filter_v == NULL) - REG_SET(SCL_VERT_FILTER_CONTROL, 0, - SCL_V_2TAP_HARDCODE_COEF_EN, 0); + REG_WRITE(SCL_VERT_FILTER_CONTROL, 0); program_multi_taps_filter( xfm_dce, data->taps.v_taps, @@ -542,8 +546,7 @@ static void dce60_transform_set_scaler(

/* 5. Program horizontal filters */ if (xfm_dce->filter_h == NULL) - REG_SET(SCL_HORZ_FILTER_CONTROL, 0, - SCL_H_2TAP_HARDCODE_COEF_EN, 0); + REG_WRITE(SCL_HORZ_FILTER_CONTROL, 0); program_multi_taps_filter( xfm_dce, data->taps.h_taps, @@ -566,6 +569,8 @@ static void dce60_transform_set_scaler( /* DCE6 has no SCL_COEF_UPDATE_COMPLETE bit to flip to new coefficient memory */

/* DCE6 DATA_FORMAT register does not support ALPHA_EN */ + + REG_WRITE(SCL_UPDATE, 0); } #endif

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.h b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.h index cbce194ec7b8..eb716e8337e2 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.h +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.h @@ -155,6 +155,9 @@ SRI(SCL_COEF_RAM_TAP_DATA, SCL, id), \ SRI(VIEWPORT_START, SCL, id), \ SRI(VIEWPORT_SIZE, SCL, id), \ + SRI(SCL_SCALER_ENABLE, SCL, id), \ + SRI(SCL_HORZ_FILTER_INIT_RGB_LUMA, SCL, id), \ + SRI(SCL_HORZ_FILTER_INIT_CHROMA, SCL, id), \ SRI(SCL_HORZ_FILTER_SCALE_RATIO, SCL, id), \ SRI(SCL_VERT_FILTER_SCALE_RATIO, SCL, id), \ SRI(SCL_VERT_FILTER_INIT, SCL, id), \ @@ -590,6 +593,7 @@ struct dce_transform_registers { uint32_t SCL_VERT_FILTER_SCALE_RATIO; uint32_t SCL_HORZ_FILTER_INIT; #if defined(CONFIG_DRM_AMD_DC_SI) + uint32_t SCL_SCALER_ENABLE; uint32_t SCL_HORZ_FILTER_INIT_RGB_LUMA; uint32_t SCL_HORZ_FILTER_INIT_CHROMA; #endif diff --git a/drivers/gpu/drm/amd/include/asic_reg/dce/dce_6_0_d.h b/drivers/gpu/drm/amd/include/asic_reg/dce/dce_6_0_d.h index 9de01ae574c0..067eddd9c62d 100644 --- a/drivers/gpu/drm/amd/include/asic_reg/dce/dce_6_0_d.h +++ b/drivers/gpu/drm/amd/include/asic_reg/dce/dce_6_0_d.h @@ -4115,6 +4115,7 @@ #define mmSCL0_SCL_COEF_RAM_CONFLICT_STATUS 0x1B55 #define mmSCL0_SCL_COEF_RAM_SELECT 0x1B40 #define mmSCL0_SCL_COEF_RAM_TAP_DATA 0x1B41 +#define mmSCL0_SCL_SCALER_ENABLE 0x1B42 #define mmSCL0_SCL_CONTROL 0x1B44 #define mmSCL0_SCL_DEBUG 0x1B6A #define mmSCL0_SCL_DEBUG2 0x1B69 @@ -4144,6 +4145,7 @@ #define mmSCL1_SCL_COEF_RAM_CONFLICT_STATUS 0x1E55 #define mmSCL1_SCL_COEF_RAM_SELECT 0x1E40 #define mmSCL1_SCL_COEF_RAM_TAP_DATA 0x1E41 +#define mmSCL1_SCL_SCALER_ENABLE 0x1E42 #define mmSCL1_SCL_CONTROL 0x1E44 #define mmSCL1_SCL_DEBUG 0x1E6A #define mmSCL1_SCL_DEBUG2 0x1E69 @@ -4173,6 +4175,7 @@ #define mmSCL2_SCL_COEF_RAM_CONFLICT_STATUS 0x4155 #define mmSCL2_SCL_COEF_RAM_SELECT 0x4140 #define mmSCL2_SCL_COEF_RAM_TAP_DATA 0x4141 +#define mmSCL2_SCL_SCALER_ENABLE 0x4142 #define mmSCL2_SCL_CONTROL 0x4144 #define mmSCL2_SCL_DEBUG 0x416A #define mmSCL2_SCL_DEBUG2 0x4169 @@ -4202,6 +4205,7 @@ #define mmSCL3_SCL_COEF_RAM_CONFLICT_STATUS 0x4455 #define mmSCL3_SCL_COEF_RAM_SELECT 0x4440 #define mmSCL3_SCL_COEF_RAM_TAP_DATA 0x4441 +#define mmSCL3_SCL_SCALER_ENABLE 0x4442 #define mmSCL3_SCL_CONTROL 0x4444 #define mmSCL3_SCL_DEBUG 0x446A #define mmSCL3_SCL_DEBUG2 0x4469 @@ -4231,6 +4235,7 @@ #define mmSCL4_SCL_COEF_RAM_CONFLICT_STATUS 0x4755 #define mmSCL4_SCL_COEF_RAM_SELECT 0x4740 #define mmSCL4_SCL_COEF_RAM_TAP_DATA 0x4741 +#define mmSCL4_SCL_SCALER_ENABLE 0x4742 #define mmSCL4_SCL_CONTROL 0x4744 #define mmSCL4_SCL_DEBUG 0x476A #define mmSCL4_SCL_DEBUG2 0x4769 @@ -4260,6 +4265,7 @@ #define mmSCL5_SCL_COEF_RAM_CONFLICT_STATUS 0x4A55 #define mmSCL5_SCL_COEF_RAM_SELECT 0x4A40 #define mmSCL5_SCL_COEF_RAM_TAP_DATA 0x4A41 +#define mmSCL5_SCL_SCALER_ENABLE 0x4A42 #define mmSCL5_SCL_CONTROL 0x4A44 #define mmSCL5_SCL_DEBUG 0x4A6A #define mmSCL5_SCL_DEBUG2 0x4A69 @@ -4287,6 +4293,7 @@ #define mmSCL_COEF_RAM_CONFLICT_STATUS 0x1B55 #define mmSCL_COEF_RAM_SELECT 0x1B40 #define mmSCL_COEF_RAM_TAP_DATA 0x1B41 +#define mmSCL_SCALER_ENABLE 0x1B42 #define mmSCL_CONTROL 0x1B44 #define mmSCL_DEBUG 0x1B6A #define mmSCL_DEBUG2 0x1B69 diff --git a/drivers/gpu/drm/amd/include/asic_reg/dce/dce_6_0_sh_mask.h b/drivers/gpu/drm/amd/include/asic_reg/dce/dce_6_0_sh_mask.h index bd8085ec54ed..da5596fbfdcb 100644 --- a/drivers/gpu/drm/amd/include/asic_reg/dce/dce_6_0_sh_mask.h +++ b/drivers/gpu/drm/amd/include/asic_reg/dce/dce_6_0_sh_mask.h @@ -8648,6 +8648,8 @@ #define REGAMMA_LUT_INDEX__REGAMMA_LUT_INDEX__SHIFT 0x00000000 #define REGAMMA_LUT_WRITE_EN_MASK__REGAMMA_LUT_WRITE_EN_MASK_MASK 0x00000007L #define REGAMMA_LUT_WRITE_EN_MASK__REGAMMA_LUT_WRITE_EN_MASK__SHIFT 0x00000000 +#define SCL_SCALER_ENABLE__SCL_SCALE_EN_MASK 0x00000001L +#define SCL_SCALER_ENABLE__SCL_SCALE_EN__SHIFT 0x00000000 #define SCL_ALU_CONTROL__SCL_ALU_DISABLE_MASK 0x00000001L #define SCL_ALU_CONTROL__SCL_ALU_DISABLE__SHIFT 0x00000000 #define SCL_BYPASS_CONTROL__SCL_BYPASS_MODE_MASK 0x00000003L diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 036ee0343972..11f164a15d7c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -836,7 +836,7 @@ nouveau_bo_move_prep(struct nouveau_drm *drm, struct ttm_buffer_object *bo, nvif_vmm_put(vmm, &old_mem->vma[1]); nvif_vmm_put(vmm, &old_mem->vma[0]); } - return 0; + return ret; }

static int diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c index 92f4261305bd..f2ae5d17ea60 100644 --- a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c +++ b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c @@ -576,7 +576,10 @@ static int rcar_mipi_dsi_startup(struct rcar_mipi_dsi *dsi, udelay(10); rcar_mipi_dsi_clr(dsi, CLOCKSET1, CLOCKSET1_UPDATEPLL);

- ppisetr = PPISETR_DLEN_3 | PPISETR_CLEN; + rcar_mipi_dsi_clr(dsi, TXSETR, TXSETR_LANECNT_MASK); + rcar_mipi_dsi_set(dsi, TXSETR, dsi->lanes - 1); + + ppisetr = ((BIT(dsi->lanes) - 1) & PPISETR_DLEN_MASK) | PPISETR_CLEN; rcar_mipi_dsi_write(dsi, PPISETR, ppisetr);

rcar_mipi_dsi_set(dsi, PHYSETUP, PHYSETUP_SHUTDOWNZ); diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h index a6b276f1d6ee..a54c7eb4113b 100644 --- a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h +++ b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h @@ -12,6 +12,9 @@ #define LINKSR_LPBUSY (1 << 1) #define LINKSR_HSBUSY (1 << 0)

+#define TXSETR 0x100 +#define TXSETR_LANECNT_MASK (0x3 << 0) + /* * Video Mode Register */ @@ -80,10 +83,7 @@ * PHY-Protocol Interface (PPI) Registers */ #define PPISETR 0x700 -#define PPISETR_DLEN_0 (0x1 << 0) -#define PPISETR_DLEN_1 (0x3 << 0) -#define PPISETR_DLEN_2 (0x7 << 0) -#define PPISETR_DLEN_3 (0xf << 0) +#define PPISETR_DLEN_MASK (0xf << 0) #define PPISETR_CLEN (1 << 8)

#define PPICLCR 0x710 diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index b129ce873af3..b235e7cc41f3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -1514,6 +1514,7 @@ static int vmw_cmd_dma(struct vmw_private *dev_priv, SVGA3dCmdHeader *header) { struct vmw_bo *vmw_bo = NULL; + struct vmw_resource *res; struct vmw_surface *srf = NULL; VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceDMA); int ret; @@ -1549,18 +1550,24 @@ static int vmw_cmd_dma(struct vmw_private *dev_priv,

dirty = (cmd->body.transfer == SVGA3D_WRITE_HOST_VRAM) ? VMW_RES_DIRTY_SET : 0; - ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, - dirty, user_surface_converter, - &cmd->body.host.sid, NULL); + ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, dirty, + user_surface_converter, &cmd->body.host.sid, + NULL); if (unlikely(ret != 0)) { if (unlikely(ret != -ERESTARTSYS)) VMW_DEBUG_USER("could not find surface for DMA.\n"); return ret; }

- srf = vmw_res_to_srf(sw_context->res_cache[vmw_res_surface].res); + res = sw_context->res_cache[vmw_res_surface].res; + if (!res) { + VMW_DEBUG_USER("Invalid DMA surface.\n"); + return -EINVAL; + }

- vmw_kms_cursor_snoop(srf, sw_context->fp->tfile, &vmw_bo->tbo, header); + srf = vmw_res_to_srf(res); + vmw_kms_cursor_snoop(srf, sw_context->fp->tfile, &vmw_bo->tbo, + header);

return 0; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c index aaacbdcbd742..946f166d6fc7 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c @@ -326,8 +326,10 @@ int vmw_validation_add_resource(struct vmw_validation_context *ctx, hash_add_rcu(ctx->sw_context->res_ht, &node->hash.head, node->hash.key); } node->res = vmw_resource_reference_unless_doomed(res); - if (!node->res) + if (!node->res) { + hash_del_rcu(&node->hash.head); return -ESRCH; + }

node->first_usage = 1; if (!res->dev_priv->has_mob) { @@ -654,7 +656,7 @@ void vmw_validation_drop_ht(struct vmw_validation_context *ctx) hash_del_rcu(&val->hash.head);

list_for_each_entry(val, &ctx->resource_ctx_list, head) - hash_del_rcu(&entry->hash.head); + hash_del_rcu(&val->hash.head);

ctx->sw_context = NULL; } diff --git a/drivers/iio/adc/xilinx-ams.c b/drivers/iio/adc/xilinx-ams.c index f52abf759260..5de86a953d41 100644 --- a/drivers/iio/adc/xilinx-ams.c +++ b/drivers/iio/adc/xilinx-ams.c @@ -118,7 +118,7 @@ #define AMS_ALARM_THRESHOLD_OFF_10 0x10 #define AMS_ALARM_THRESHOLD_OFF_20 0x20

-#define AMS_ALARM_THR_DIRECT_MASK BIT(1) +#define AMS_ALARM_THR_DIRECT_MASK BIT(0) #define AMS_ALARM_THR_MIN 0x0000 #define AMS_ALARM_THR_MAX (BIT(16) - 1)

@@ -385,6 +385,29 @@ static void ams_update_pl_alarm(struct ams *ams, unsigned long alarm_mask) ams_pl_update_reg(ams, AMS_REG_CONFIG3, AMS_REGCFG3_ALARM_MASK, cfg); }

+static void ams_unmask(struct ams *ams) +{ + unsigned int status, unmask; + + status = readl(ams->base + AMS_ISR_0); + + /* Clear those bits which are not active anymore */ + unmask = (ams->current_masked_alarm ^ status) & ams->current_masked_alarm; + + /* Clear status of disabled alarm */ + unmask |= ams->intr_mask; + + ams->current_masked_alarm &= status; + + /* Also clear those which are masked out anyway */ + ams->current_masked_alarm &= ~ams->intr_mask; + + /* Clear the interrupts before we unmask them */ + writel(unmask, ams->base + AMS_ISR_0); + + ams_update_intrmask(ams, ~AMS_ALARM_MASK, ~AMS_ALARM_MASK); +} + static void ams_update_alarm(struct ams *ams, unsigned long alarm_mask) { unsigned long flags; @@ -397,6 +420,7 @@ static void ams_update_alarm(struct ams *ams, unsigned long alarm_mask)

spin_lock_irqsave(&ams->intr_lock, flags); ams_update_intrmask(ams, AMS_ISR0_ALARM_MASK, ~alarm_mask); + ams_unmask(ams); spin_unlock_irqrestore(&ams->intr_lock, flags); }

@@ -1025,28 +1049,9 @@ static void ams_handle_events(struct iio_dev *indio_dev, unsigned long events) static void ams_unmask_worker(struct work_struct *work) { struct ams *ams = container_of(work, struct ams, ams_unmask_work.work); - unsigned int status, unmask;

spin_lock_irq(&ams->intr_lock); - - status = readl(ams->base + AMS_ISR_0); - - /* Clear those bits which are not active anymore */ - unmask = (ams->current_masked_alarm ^ status) & ams->current_masked_alarm; - - /* Clear status of disabled alarm */ - unmask |= ams->intr_mask; - - ams->current_masked_alarm &= status; - - /* Also clear those which are masked out anyway */ - ams->current_masked_alarm &= ~ams->intr_mask; - - /* Clear the interrupts before we unmask them */ - writel(unmask, ams->base + AMS_ISR_0); - - ams_update_intrmask(ams, ~AMS_ALARM_MASK, ~AMS_ALARM_MASK); - + ams_unmask(ams); spin_unlock_irq(&ams->intr_lock);

/* If still pending some alarm re-trigger the timer */ diff --git a/drivers/iio/dac/ad5360.c b/drivers/iio/dac/ad5360.c index e0b7f658d611..cf9cf90cd6e2 100644 --- a/drivers/iio/dac/ad5360.c +++ b/drivers/iio/dac/ad5360.c @@ -262,7 +262,7 @@ static int ad5360_update_ctrl(struct iio_dev *indio_dev, unsigned int set, unsigned int clr) { struct ad5360_state *st = iio_priv(indio_dev); - unsigned int ret; + int ret;

mutex_lock(&st->lock);

diff --git a/drivers/iio/dac/ad5421.c b/drivers/iio/dac/ad5421.c index 7644acfd879e..9228e3cee1b8 100644 --- a/drivers/iio/dac/ad5421.c +++ b/drivers/iio/dac/ad5421.c @@ -186,7 +186,7 @@ static int ad5421_update_ctrl(struct iio_dev *indio_dev, unsigned int set, unsigned int clr) { struct ad5421_state *st = iio_priv(indio_dev); - unsigned int ret; + int ret;

mutex_lock(&st->lock);

diff --git a/drivers/iio/frequency/adf4350.c b/drivers/iio/frequency/adf4350.c index 4abf80f75ef5..03e75261e891 100644 --- a/drivers/iio/frequency/adf4350.c +++ b/drivers/iio/frequency/adf4350.c @@ -143,6 +143,19 @@ static int adf4350_set_freq(struct adf4350_state *st, unsigned long long freq) if (freq > ADF4350_MAX_OUT_FREQ || freq < st->min_out_freq) return -EINVAL;

+ st->r4_rf_div_sel = 0; + + /* + * !\TODO: The below computation is making sure we get a power of 2 + * shift (st->r4_rf_div_sel) so that freq becomes higher or equal to + * ADF4350_MIN_VCO_FREQ. This might be simplified with fls()/fls_long() + * and friends. + */ + while (freq < ADF4350_MIN_VCO_FREQ) { + freq <<= 1; + st->r4_rf_div_sel++; + } + if (freq > ADF4350_MAX_FREQ_45_PRESC) { prescaler = ADF4350_REG1_PRESCALER; mdiv = 75; @@ -151,13 +164,6 @@ static int adf4350_set_freq(struct adf4350_state *st, unsigned long long freq) mdiv = 23; }

- st->r4_rf_div_sel = 0; - - while (freq < ADF4350_MIN_VCO_FREQ) { - freq <<= 1; - st->r4_rf_div_sel++; - } - /* * Allow a predefined reference division factor * if not set, compute our own diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c index 91c181bb9286..a1f055014cc6 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c @@ -747,10 +747,6 @@ static int inv_icm42600_resume(struct device *dev) if (ret) goto out_unlock;

- pm_runtime_disable(dev); - pm_runtime_set_active(dev); - pm_runtime_enable(dev); - /* restore sensors state */ ret = inv_icm42600_set_pwr_mgmt0(st, st->suspended.gyro, st->suspended.accel, diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 88bccdbb0bed..ac7b8fb36db8 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -4415,7 +4415,7 @@ static struct iommu_device *intel_iommu_probe_device(struct device *dev) }

if (info->ats_supported && ecap_prs(iommu->ecap) && - pci_pri_supported(pdev)) + ecap_pds(iommu->ecap) && pci_pri_supported(pdev)) info->pri_supported = 1; } } diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c index 572899669154..2d20cf9d84ce 100644 --- a/drivers/irqchip/irq-sifive-plic.c +++ b/drivers/irqchip/irq-sifive-plic.c @@ -248,11 +248,11 @@ static int plic_irq_suspend(void)

priv = per_cpu_ptr(&plic_handlers, smp_processor_id())->priv;

- for (i = 0; i < priv->nr_irqs; i++) - if (readl(priv->regs + PRIORITY_BASE + i * PRIORITY_PER_ID)) - __set_bit(i, priv->prio_save); - else - __clear_bit(i, priv->prio_save); + /* irq ID 0 is reserved */ + for (i = 1; i < priv->nr_irqs; i++) { + __assign_bit(i, priv->prio_save, + readl(priv->regs + PRIORITY_BASE + i * PRIORITY_PER_ID)); + }

for_each_cpu(cpu, cpu_present_mask) { struct plic_handler *handler = per_cpu_ptr(&plic_handlers, cpu); @@ -279,7 +279,8 @@ static void plic_irq_resume(void)

priv = per_cpu_ptr(&plic_handlers, smp_processor_id())->priv;

- for (i = 0; i < priv->nr_irqs; i++) { + /* irq ID 0 is reserved */ + for (i = 1; i < priv->nr_irqs; i++) { index = BIT_WORD(i); writel((priv->prio_save[index] & BIT_MASK(i)) ? 1 : 0, priv->regs + PRIORITY_BASE + i * PRIORITY_PER_ID); diff --git a/drivers/mailbox/zynqmp-ipi-mailbox.c b/drivers/mailbox/zynqmp-ipi-mailbox.c index e4fcac97dbfa..90f248ef2a1f 100644 --- a/drivers/mailbox/zynqmp-ipi-mailbox.c +++ b/drivers/mailbox/zynqmp-ipi-mailbox.c @@ -616,11 +616,8 @@ static void zynqmp_ipi_free_mboxes(struct zynqmp_ipi_pdata *pdata) i = pdata->num_mboxes; for (; i >= 0; i--) { ipi_mbox = &pdata->ipi_mboxes[i]; - if (ipi_mbox->dev.parent) { - mbox_controller_unregister(&ipi_mbox->mbox); - if (device_is_registered(&ipi_mbox->dev)) - device_unregister(&ipi_mbox->dev); - } + if (device_is_registered(&ipi_mbox->dev)) + device_unregister(&ipi_mbox->dev); } }

diff --git a/drivers/media/i2c/mt9v111.c b/drivers/media/i2c/mt9v111.c index 1f7edc0f5b1a..a184fd9fc6f3 100644 --- a/drivers/media/i2c/mt9v111.c +++ b/drivers/media/i2c/mt9v111.c @@ -534,8 +534,8 @@ static int mt9v111_calc_frame_rate(struct mt9v111_dev *mt9v111, static int mt9v111_hw_config(struct mt9v111_dev *mt9v111) { struct i2c_client *c = mt9v111->client; - unsigned int ret; u16 outfmtctrl2; + int ret;

/* Force device reset. */ ret = __mt9v111_hw_reset(mt9v111); diff --git a/drivers/media/mc/mc-devnode.c b/drivers/media/mc/mc-devnode.c index 94abd042045d..6fd8885f5928 100644 --- a/drivers/media/mc/mc-devnode.c +++ b/drivers/media/mc/mc-devnode.c @@ -50,11 +50,6 @@ static void media_devnode_release(struct device *cd) { struct media_devnode *devnode = to_media_devnode(cd);

- mutex_lock(&media_devnode_lock); - /* Mark device node number as free */ - clear_bit(devnode->minor, media_devnode_nums); - mutex_unlock(&media_devnode_lock); - /* Release media_devnode and perform other cleanups as needed. */ if (devnode->release) devnode->release(devnode); @@ -283,6 +278,7 @@ void media_devnode_unregister(struct media_devnode *devnode) /* Delete the cdev on this minor as well */ cdev_device_del(&devnode->cdev, &devnode->dev); devnode->media_dev = NULL; + clear_bit(devnode->minor, media_devnode_nums); mutex_unlock(&media_devnode_lock);

put_device(&devnode->dev); diff --git a/drivers/media/mc/mc-entity.c b/drivers/media/mc/mc-entity.c index 951b79ca125c..f885e718524c 100644 --- a/drivers/media/mc/mc-entity.c +++ b/drivers/media/mc/mc-entity.c @@ -678,7 +678,7 @@ static int media_pipeline_explore_next_link(struct media_pipeline *pipe, * (already discovered through iterating over links) and pads * not internally connected. */ - if (origin == local || !local->num_links || + if (origin == local || local->num_links || !media_entity_has_pad_interdep(origin->entity, origin->index, local->index)) continue; diff --git a/drivers/media/pci/cx18/cx18-queue.c b/drivers/media/pci/cx18/cx18-queue.c index 013694bfcb1c..7cbb2d586932 100644 --- a/drivers/media/pci/cx18/cx18-queue.c +++ b/drivers/media/pci/cx18/cx18-queue.c @@ -379,15 +379,22 @@ int cx18_stream_alloc(struct cx18_stream *s) break; }

+ buf->dma_handle = dma_map_single(&s->cx->pci_dev->dev, + buf->buf, s->buf_size, + s->dma); + if (dma_mapping_error(&s->cx->pci_dev->dev, buf->dma_handle)) { + kfree(buf->buf); + kfree(mdl); + kfree(buf); + break; + } + INIT_LIST_HEAD(&mdl->list); INIT_LIST_HEAD(&mdl->buf_list); mdl->id = s->mdl_base_idx; /* a somewhat safe value */ cx18_enqueue(s, mdl, &s->q_idle);

INIT_LIST_HEAD(&buf->list); - buf->dma_handle = dma_map_single(&s->cx->pci_dev->dev, - buf->buf, s->buf_size, - s->dma); cx18_buf_sync_for_cpu(s, buf); list_add_tail(&buf->list, &s->buf_pool); } diff --git a/drivers/media/pci/ivtv/ivtv-irq.c b/drivers/media/pci/ivtv/ivtv-irq.c index b7aaa8b4a784..e39bf64c5c71 100644 --- a/drivers/media/pci/ivtv/ivtv-irq.c +++ b/drivers/media/pci/ivtv/ivtv-irq.c @@ -351,7 +351,7 @@ void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock)

/* Insert buffer block for YUV if needed */ if (s->type == IVTV_DEC_STREAM_TYPE_YUV && f->offset_y) { - if (yi->blanking_dmaptr) { + if (yi->blanking_ptr) { s->sg_pending[idx].src = yi->blanking_dmaptr; s->sg_pending[idx].dst = offset; s->sg_pending[idx].size = 720 * 16; diff --git a/drivers/media/pci/ivtv/ivtv-yuv.c b/drivers/media/pci/ivtv/ivtv-yuv.c index 2d9274537725..71f040106647 100644 --- a/drivers/media/pci/ivtv/ivtv-yuv.c +++ b/drivers/media/pci/ivtv/ivtv-yuv.c @@ -125,7 +125,7 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma, ivtv_udma_fill_sg_array(dma, y_buffer_offset, uv_buffer_offset, y_size);

/* If we've offset the y plane, ensure top area is blanked */ - if (f->offset_y && yi->blanking_dmaptr) { + if (f->offset_y && yi->blanking_ptr) { dma->SGarray[dma->SG_length].size = cpu_to_le32(720*16); dma->SGarray[dma->SG_length].src = cpu_to_le32(yi->blanking_dmaptr); dma->SGarray[dma->SG_length].dst = cpu_to_le32(IVTV_DECODER_OFFSET + yuv_offset[frame]); @@ -929,6 +929,12 @@ static void ivtv_yuv_init(struct ivtv *itv) yi->blanking_dmaptr = dma_map_single(&itv->pdev->dev, yi->blanking_ptr, 720 * 16, DMA_TO_DEVICE); + if (dma_mapping_error(&itv->pdev->dev, yi->blanking_dmaptr)) { + kfree(yi->blanking_ptr); + yi->blanking_ptr = NULL; + yi->blanking_dmaptr = 0; + IVTV_DEBUG_WARN("Failed to dma_map yuv blanking buffer\n"); + } } else { yi->blanking_dmaptr = 0; IVTV_DEBUG_WARN("Failed to allocate yuv blanking buffer\n"); diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c index fe7da2b30482..01461b2fed51 100644 --- a/drivers/media/platform/qcom/venus/firmware.c +++ b/drivers/media/platform/qcom/venus/firmware.c @@ -30,7 +30,7 @@ static void venus_reset_cpu(struct venus_core *core) u32 fw_size = core->fw.mapped_mem_size; void __iomem *wrapper_base;

- if (IS_IRIS2_1(core)) + if (IS_IRIS2(core) || IS_IRIS2_1(core)) wrapper_base = core->wrapper_tz_base; else wrapper_base = core->wrapper_base; @@ -42,7 +42,7 @@ static void venus_reset_cpu(struct venus_core *core) writel(fw_size, wrapper_base + WRAPPER_NONPIX_START_ADDR); writel(fw_size, wrapper_base + WRAPPER_NONPIX_END_ADDR);

- if (IS_IRIS2_1(core)) { + if (IS_IRIS2(core) || IS_IRIS2_1(core)) { /* Bring XTSS out of reset */ writel(0, wrapper_base + WRAPPER_TZ_XTSS_SW_RESET); } else { @@ -68,7 +68,7 @@ int venus_set_hw_state(struct venus_core *core, bool resume) if (resume) { venus_reset_cpu(core); } else { - if (IS_IRIS2_1(core)) + if (IS_IRIS2(core) || IS_IRIS2_1(core)) writel(WRAPPER_XTSS_SW_RESET_BIT, core->wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET); else @@ -181,7 +181,7 @@ static int venus_shutdown_no_tz(struct venus_core *core) void __iomem *wrapper_base = core->wrapper_base; void __iomem *wrapper_tz_base = core->wrapper_tz_base;

- if (IS_IRIS2_1(core)) { + if (IS_IRIS2(core) || IS_IRIS2_1(core)) { /* Assert the reset to XTSS */ reg = readl(wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET); reg |= WRAPPER_XTSS_SW_RESET_BIT; diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c index f8901d6fbe9b..ff3088691d5e 100644 --- a/drivers/media/rc/lirc_dev.c +++ b/drivers/media/rc/lirc_dev.c @@ -735,11 +735,11 @@ int lirc_register(struct rc_dev *dev)

cdev_init(&dev->lirc_cdev, &lirc_fops);

+ get_device(&dev->dev); + err = cdev_device_add(&dev->lirc_cdev, &dev->lirc_dev); if (err) - goto out_ida; - - get_device(&dev->dev); + goto out_put_device;

switch (dev->driver_type) { case RC_DRIVER_SCANCODE: @@ -763,7 +763,8 @@ int lirc_register(struct rc_dev *dev)

return 0;

-out_ida: +out_put_device: + put_device(&dev->lirc_dev); ida_free(&lirc_ida, minor); return err; } diff --git a/drivers/memory/samsung/exynos-srom.c b/drivers/memory/samsung/exynos-srom.c index e73dd330af47..d913fb901973 100644 --- a/drivers/memory/samsung/exynos-srom.c +++ b/drivers/memory/samsung/exynos-srom.c @@ -121,20 +121,18 @@ static int exynos_srom_probe(struct platform_device *pdev) return -ENOMEM;

srom->dev = dev; - srom->reg_base = of_iomap(np, 0); - if (!srom->reg_base) { + srom->reg_base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(srom->reg_base)) { dev_err(&pdev->dev, "iomap of exynos srom controller failed\n"); - return -ENOMEM; + return PTR_ERR(srom->reg_base); }

platform_set_drvdata(pdev, srom);

srom->reg_offset = exynos_srom_alloc_reg_dump(exynos_srom_offsets, ARRAY_SIZE(exynos_srom_offsets)); - if (!srom->reg_offset) { - iounmap(srom->reg_base); + if (!srom->reg_offset) return -ENOMEM; - }

for_each_child_of_node(np, child) { if (exynos_srom_configure_bank(srom, child)) { diff --git a/drivers/mfd/intel_soc_pmic_chtdc_ti.c b/drivers/mfd/intel_soc_pmic_chtdc_ti.c index 992855bfda3e..6daf33e07ea0 100644 --- a/drivers/mfd/intel_soc_pmic_chtdc_ti.c +++ b/drivers/mfd/intel_soc_pmic_chtdc_ti.c @@ -81,8 +81,9 @@ static struct mfd_cell chtdc_ti_dev[] = { static const struct regmap_config chtdc_ti_regmap_config = { .reg_bits = 8, .val_bits = 8, - .max_register = 128, - .cache_type = REGCACHE_NONE, + .max_register = 0xff, + /* The hardware does not support reading multiple registers at once */ + .use_single_read = true, };

static const struct regmap_irq chtdc_ti_irqs[] = { diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 5e03a6ba5571..a85442d74e09 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -322,11 +322,11 @@ static void fastrpc_free_map(struct kref *ref)

perm.vmid = QCOM_SCM_VMID_HLOS; perm.perm = QCOM_SCM_PERM_RWX; - err = qcom_scm_assign_mem(map->phys, map->size, + err = qcom_scm_assign_mem(map->phys, map->len, &src_perms, &perm, 1); if (err) { - dev_err(map->fl->sctx->dev, "Failed to assign memory phys 0x%llx size 0x%llx err %d", - map->phys, map->size, err); + dev_err(map->fl->sctx->dev, "Failed to assign memory phys 0x%llx size 0x%llx err %d\n", + map->phys, map->len, err); return; } } @@ -752,7 +752,8 @@ static int fastrpc_map_attach(struct fastrpc_user *fl, int fd, struct fastrpc_session_ctx *sess = fl->sctx; struct fastrpc_map *map = NULL; struct sg_table *table; - int err = 0; + struct scatterlist *sgl = NULL; + int err = 0, sgl_index = 0;

map = kzalloc(sizeof(*map), GFP_KERNEL); if (!map) @@ -789,7 +790,15 @@ static int fastrpc_map_attach(struct fastrpc_user *fl, int fd, map->phys = sg_dma_address(map->table->sgl); map->phys += ((u64)fl->sctx->sid << 32); } - map->size = len; + for_each_sg(map->table->sgl, sgl, map->table->nents, + sgl_index) + map->size += sg_dma_len(sgl); + if (len > map->size) { + dev_dbg(sess->dev, "Bad size passed len 0x%llx map size 0x%llx\n", + len, map->size); + err = -EINVAL; + goto map_err; + } map->va = sg_virt(map->table->sgl); map->len = len;

@@ -806,10 +815,10 @@ static int fastrpc_map_attach(struct fastrpc_user *fl, int fd, dst_perms[1].vmid = fl->cctx->vmperms[0].vmid; dst_perms[1].perm = QCOM_SCM_PERM_RWX; map->attr = attr; - err = qcom_scm_assign_mem(map->phys, (u64)map->size, &src_perms, dst_perms, 2); + err = qcom_scm_assign_mem(map->phys, (u64)map->len, &src_perms, dst_perms, 2); if (err) { - dev_err(sess->dev, "Failed to assign memory with phys 0x%llx size 0x%llx err %d", - map->phys, map->size, err); + dev_err(sess->dev, "Failed to assign memory with phys 0x%llx size 0x%llx err %d\n", + map->phys, map->len, err); goto map_err; } } @@ -1240,7 +1249,7 @@ static bool is_session_rejected(struct fastrpc_user *fl, bool unsigned_pd_reques * that does not support unsigned PD offload */ if (!fl->cctx->unsigned_support || !unsigned_pd_request) { - dev_err(&fl->cctx->rpdev->dev, "Error: Untrusted application trying to offload to signed PD"); + dev_err(&fl->cctx->rpdev->dev, "Error: Untrusted application trying to offload to signed PD\n"); return true; } } @@ -1304,7 +1313,7 @@ static int fastrpc_init_create_static_process(struct fastrpc_user *fl, &src_perms, fl->cctx->vmperms, fl->cctx->vmcount); if (err) { - dev_err(fl->sctx->dev, "Failed to assign memory with phys 0x%llx size 0x%llx err %d", + dev_err(fl->sctx->dev, "Failed to assign memory with phys 0x%llx size 0x%llx err %d\n", fl->cctx->remote_heap->phys, fl->cctx->remote_heap->size, err); goto err_map; } @@ -1358,7 +1367,7 @@ static int fastrpc_init_create_static_process(struct fastrpc_user *fl, (u64)fl->cctx->remote_heap->size, &src_perms, &dst_perms, 1); if (err) - dev_err(fl->sctx->dev, "Failed to assign memory phys 0x%llx size 0x%llx err %d", + dev_err(fl->sctx->dev, "Failed to assign memory phys 0x%llx size 0x%llx err %d\n", fl->cctx->remote_heap->phys, fl->cctx->remote_heap->size, err); } err_map: @@ -2063,7 +2072,7 @@ static int fastrpc_req_mem_map(struct fastrpc_user *fl, char __user *argp) args[0].length = sizeof(req_msg);

pages.addr = map->phys; - pages.size = map->size; + pages.size = map->len;

args[1].ptr = (u64) (uintptr_t) &pages; args[1].length = sizeof(pages); @@ -2078,7 +2087,7 @@ static int fastrpc_req_mem_map(struct fastrpc_user *fl, char __user *argp) err = fastrpc_internal_invoke(fl, true, FASTRPC_INIT_HANDLE, sc, &args[0]); if (err) { dev_err(dev, "mem mmap error, fd %d, vaddr %llx, size %lld\n", - req.fd, req.vaddrin, map->size); + req.fd, req.vaddrin, map->len); goto err_invoke; }

@@ -2091,7 +2100,7 @@ static int fastrpc_req_mem_map(struct fastrpc_user *fl, char __user *argp) if (copy_to_user((void __user *)argp, &req, sizeof(req))) { /* unmap the memory and release the buffer */ req_unmap.vaddr = (uintptr_t) rsp_msg.vaddr; - req_unmap.length = map->size; + req_unmap.length = map->len; fastrpc_req_mem_unmap_impl(fl, &req_unmap); return -EFAULT; } diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index cb87e8273779..2c58df6855f2 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -945,7 +945,11 @@ static void mmc_sdio_remove(struct mmc_host *host) */ static int mmc_sdio_alive(struct mmc_host *host) { - return mmc_select_card(host->card); + if (!mmc_host_is_spi(host)) + return mmc_select_card(host->card); + else + return mmc_io_rw_direct(host->card, 0, 0, SDIO_CCCR_CCCR, 0, + NULL); }

/* diff --git a/drivers/mtd/nand/raw/fsmc_nand.c b/drivers/mtd/nand/raw/fsmc_nand.c index fe5912d31bee..b0a70badf3eb 100644 --- a/drivers/mtd/nand/raw/fsmc_nand.c +++ b/drivers/mtd/nand/raw/fsmc_nand.c @@ -876,10 +876,14 @@ static int fsmc_nand_probe_config_dt(struct platform_device *pdev, if (!of_property_read_u32(np, "bank-width", &val)) { if (val == 2) { nand->options |= NAND_BUSWIDTH_16; - } else if (val != 1) { + } else if (val == 1) { + nand->options |= NAND_BUSWIDTH_AUTO; + } else { dev_err(&pdev->dev, "invalid bank-width %u\n", val); return -EINVAL; } + } else { + nand->options |= NAND_BUSWIDTH_AUTO; }

if (of_property_read_bool(np, "nand-skip-bbtscan")) diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c index eee675a25b2c..ef9adecb639a 100644 --- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c +++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c @@ -483,10 +483,12 @@ static int fsl_pq_mdio_probe(struct platform_device *pdev) "missing 'reg' property in node %pOF\n", tbi); err = -EBUSY; + of_node_put(tbi); goto error; } set_tbipa(*prop, pdev, data->get_tbipa, priv->map, &res); + of_node_put(tbi); } }

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 33bbcced8105..275561272721 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1177,9 +1177,9 @@ static void mlx4_en_do_uc_filter(struct mlx4_en_priv *priv, mlx4_unregister_mac(mdev->dev, priv->port, mac);

hlist_del_rcu(&entry->hlist); - kfree_rcu(entry, rcu); en_dbg(DRV, priv, "Removed MAC %pM on port:%d\n", entry->mac, priv->port); + kfree_rcu(entry, rcu); ++removed; } } diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index 0e8ff839cae2..3a340cb2b205 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -1763,14 +1763,10 @@ static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab) mutex_unlock(&ab->core_lock);

ath11k_dp_free(ab); - ath11k_hal_srng_deinit(ab); + ath11k_hal_srng_clear(ab);

ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS(ab))) - 1;

- ret = ath11k_hal_srng_init(ab); - if (ret) - return ret; - clear_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags);

ret = ath11k_core_qmi_firmware_ready(ab); diff --git a/drivers/net/wireless/ath/ath11k/hal.c b/drivers/net/wireless/ath/ath11k/hal.c index 1215408d1a6a..79cf65bc2e17 100644 --- a/drivers/net/wireless/ath/ath11k/hal.c +++ b/drivers/net/wireless/ath/ath11k/hal.c @@ -1356,6 +1356,22 @@ void ath11k_hal_srng_deinit(struct ath11k_base *ab) } EXPORT_SYMBOL(ath11k_hal_srng_deinit);

+void ath11k_hal_srng_clear(struct ath11k_base *ab) +{ + /* No need to memset rdp and wrp memory since each individual + * segment would get cleared in ath11k_hal_srng_src_hw_init() + * and ath11k_hal_srng_dst_hw_init(). + */ + memset(ab->hal.srng_list, 0, + sizeof(ab->hal.srng_list)); + memset(ab->hal.shadow_reg_addr, 0, + sizeof(ab->hal.shadow_reg_addr)); + ab->hal.avail_blk_resource = 0; + ab->hal.current_blk_index = 0; + ab->hal.num_shadow_reg_configured = 0; +} +EXPORT_SYMBOL(ath11k_hal_srng_clear); + void ath11k_hal_dump_srng_stats(struct ath11k_base *ab) { struct hal_srng *srng; diff --git a/drivers/net/wireless/ath/ath11k/hal.h b/drivers/net/wireless/ath/ath11k/hal.h index 80447f488954..aa21eb1fdce1 100644 --- a/drivers/net/wireless/ath/ath11k/hal.h +++ b/drivers/net/wireless/ath/ath11k/hal.h @@ -962,6 +962,7 @@ int ath11k_hal_srng_setup(struct ath11k_base *ab, enum hal_ring_type type, struct hal_srng_params *params); int ath11k_hal_srng_init(struct ath11k_base *ath11k); void ath11k_hal_srng_deinit(struct ath11k_base *ath11k); +void ath11k_hal_srng_clear(struct ath11k_base *ab); void ath11k_hal_dump_srng_stats(struct ath11k_base *ab); void ath11k_hal_srng_get_shadow_config(struct ath11k_base *ab, u32 **cfg, u32 *len); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/usb.c b/drivers/net/wireless/mediatek/mt76/mt7921/usb.c index 13e892d788b2..92281811103e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/usb.c @@ -21,6 +21,9 @@ static const struct usb_device_id mt7921u_device_table[] = { /* Netgear, Inc. [A8000,AXE3000] */ { USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9060, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)MT7921_FIRMWARE_WM }, + /* Netgear, Inc. A7500 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9065, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)MT7921_FIRMWARE_WM }, /* TP-Link TXE50UH */ { USB_DEVICE_AND_INTERFACE_INFO(0x35bc, 0x0107, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)MT7921_FIRMWARE_WM }, diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 136dba6221d8..053385c84bf8 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2986,10 +2986,12 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev) * Exclude Samsung 990 Evo from NVME_QUIRK_SIMPLE_SUSPEND * because of high power consumption (> 2 Watt) in s2idle * sleep. Only some boards with Intel CPU are affected. + * (Note for testing: Samsung 990 Evo Plus has same PCI ID) */ if (dmi_match(DMI_BOARD_NAME, "DN50Z-140HC-YD") || dmi_match(DMI_BOARD_NAME, "GMxPXxx") || dmi_match(DMI_BOARD_NAME, "GXxMRXx") || + dmi_match(DMI_BOARD_NAME, "NS5X_NS7XAU") || dmi_match(DMI_BOARD_NAME, "PH4PG31") || dmi_match(DMI_BOARD_NAME, "PH4PRX1_PH6PRX1") || dmi_match(DMI_BOARD_NAME, "PH6PG01_PH6PG71")) diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index 5bfec440b4fd..aae4e8ef9e36 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -3957,6 +3957,7 @@ static int of_unittest_pci_node_verify(struct pci_dev *pdev, bool add) unittest(!np, "Child device tree node is not removed\n"); child_dev = device_find_any_child(&pdev->dev); unittest(!child_dev, "Child device is not removed\n"); + put_device(child_dev); }

failed: diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index bf9a961c9f27..9055ce34c636 100644 --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -1213,8 +1213,8 @@ static int ks_pcie_probe(struct platform_device *pdev) if (irq < 0) return irq;

- ret = request_irq(irq, ks_pcie_err_irq_handler, IRQF_SHARED, - "ks-pcie-error-irq", ks_pcie); + ret = devm_request_irq(dev, irq, ks_pcie_err_irq_handler, IRQF_SHARED, + "ks-pcie-error-irq", ks_pcie); if (ret < 0) { dev_err(dev, "failed to request error IRQ %d\n", irq); diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index 115a21cf869a..c7d3e248a59a 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -1218,6 +1218,7 @@ static int tegra_pcie_bpmp_set_ctrl_state(struct tegra_pcie_dw *pcie, struct mrq_uphy_response resp; struct tegra_bpmp_message msg; struct mrq_uphy_request req; + int err;

/* * Controller-5 doesn't need to have its state set by BPMP-FW in @@ -1240,7 +1241,13 @@ static int tegra_pcie_bpmp_set_ctrl_state(struct tegra_pcie_dw *pcie, msg.rx.data = &resp; msg.rx.size = sizeof(resp);

- return tegra_bpmp_transfer(pcie->bpmp, &msg); + err = tegra_bpmp_transfer(pcie->bpmp, &msg); + if (err) + return err; + if (msg.rx.ret) + return -EINVAL; + + return 0; }

static int tegra_pcie_bpmp_set_pll_state(struct tegra_pcie_dw *pcie, @@ -1249,6 +1256,7 @@ static int tegra_pcie_bpmp_set_pll_state(struct tegra_pcie_dw *pcie, struct mrq_uphy_response resp; struct tegra_bpmp_message msg; struct mrq_uphy_request req; + int err;

memset(&req, 0, sizeof(req)); memset(&resp, 0, sizeof(resp)); @@ -1268,7 +1276,13 @@ static int tegra_pcie_bpmp_set_pll_state(struct tegra_pcie_dw *pcie, msg.rx.data = &resp; msg.rx.size = sizeof(resp);

- return tegra_bpmp_transfer(pcie->bpmp, &msg); + err = tegra_bpmp_transfer(pcie->bpmp, &msg); + if (err) + return err; + if (msg.rx.ret) + return -EINVAL; + + return 0; }

static void tegra_pcie_downstream_dev_to_D0(struct tegra_pcie_dw *pcie) @@ -1963,10 +1977,10 @@ static int tegra_pcie_ep_raise_legacy_irq(struct tegra_pcie_dw *pcie, u16 irq)

static int tegra_pcie_ep_raise_msi_irq(struct tegra_pcie_dw *pcie, u16 irq) { - if (unlikely(irq > 31)) + if (unlikely(irq > 32)) return -EINVAL;

- appl_writel(pcie, BIT(irq), APPL_MSI_CTRL_1); + appl_writel(pcie, BIT(irq - 1), APPL_MSI_CTRL_1);

return 0; } diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c index 80d975dcb2ee..da37569460b1 100644 --- a/drivers/pci/controller/pci-tegra.c +++ b/drivers/pci/controller/pci-tegra.c @@ -14,6 +14,7 @@ */

#include <linux/clk.h> +#include <linux/cleanup.h> #include <linux/debugfs.h> #include <linux/delay.h> #include <linux/export.h> @@ -269,7 +270,7 @@ struct tegra_msi { DECLARE_BITMAP(used, INT_PCI_MSI_NR); struct irq_domain *domain; struct mutex map_lock; - spinlock_t mask_lock; + raw_spinlock_t mask_lock; void *virt; dma_addr_t phys; int irq; @@ -1604,14 +1605,13 @@ static void tegra_msi_irq_mask(struct irq_data *d) struct tegra_msi *msi = irq_data_get_irq_chip_data(d); struct tegra_pcie *pcie = msi_to_pcie(msi); unsigned int index = d->hwirq / 32; - unsigned long flags; u32 value;

- spin_lock_irqsave(&msi->mask_lock, flags); - value = afi_readl(pcie, AFI_MSI_EN_VEC(index)); - value &= ~BIT(d->hwirq % 32); - afi_writel(pcie, value, AFI_MSI_EN_VEC(index)); - spin_unlock_irqrestore(&msi->mask_lock, flags); + scoped_guard(raw_spinlock_irqsave, &msi->mask_lock) { + value = afi_readl(pcie, AFI_MSI_EN_VEC(index)); + value &= ~BIT(d->hwirq % 32); + afi_writel(pcie, value, AFI_MSI_EN_VEC(index)); + } }

static void tegra_msi_irq_unmask(struct irq_data *d) @@ -1619,14 +1619,13 @@ static void tegra_msi_irq_unmask(struct irq_data *d) struct tegra_msi *msi = irq_data_get_irq_chip_data(d); struct tegra_pcie *pcie = msi_to_pcie(msi); unsigned int index = d->hwirq / 32; - unsigned long flags; u32 value;

- spin_lock_irqsave(&msi->mask_lock, flags); - value = afi_readl(pcie, AFI_MSI_EN_VEC(index)); - value |= BIT(d->hwirq % 32); - afi_writel(pcie, value, AFI_MSI_EN_VEC(index)); - spin_unlock_irqrestore(&msi->mask_lock, flags); + scoped_guard(raw_spinlock_irqsave, &msi->mask_lock) { + value = afi_readl(pcie, AFI_MSI_EN_VEC(index)); + value |= BIT(d->hwirq % 32); + afi_writel(pcie, value, AFI_MSI_EN_VEC(index)); + } }

static int tegra_msi_set_affinity(struct irq_data *d, const struct cpumask *mask, bool force) @@ -1742,7 +1741,7 @@ static int tegra_pcie_msi_setup(struct tegra_pcie *pcie) int err;

mutex_init(&msi->map_lock); - spin_lock_init(&msi->mask_lock); + raw_spin_lock_init(&msi->mask_lock);

if (IS_ENABLED(CONFIG_PCI_MSI)) { err = tegra_allocate_domains(msi); diff --git a/drivers/pci/controller/pcie-rcar-host.c b/drivers/pci/controller/pcie-rcar-host.c index 704ab5d723a9..77f6366e7db1 100644 --- a/drivers/pci/controller/pcie-rcar-host.c +++ b/drivers/pci/controller/pcie-rcar-host.c @@ -12,6 +12,7 @@ */

#include <linux/bitops.h> +#include <linux/cleanup.h> #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/delay.h> @@ -36,7 +37,7 @@ struct rcar_msi { DECLARE_BITMAP(used, INT_PCI_MSI_NR); struct irq_domain *domain; struct mutex map_lock; - spinlock_t mask_lock; + raw_spinlock_t mask_lock; int irq1; int irq2; }; @@ -50,20 +51,13 @@ struct rcar_pcie_host { int (*phy_init_fn)(struct rcar_pcie_host *host); };

-static DEFINE_SPINLOCK(pmsr_lock); - static int rcar_pcie_wakeup(struct device *pcie_dev, void __iomem *pcie_base) { - unsigned long flags; u32 pmsr, val; int ret = 0;

- spin_lock_irqsave(&pmsr_lock, flags); - - if (!pcie_base || pm_runtime_suspended(pcie_dev)) { - ret = -EINVAL; - goto unlock_exit; - } + if (!pcie_base || pm_runtime_suspended(pcie_dev)) + return -EINVAL;

pmsr = readl(pcie_base + PMSR);

@@ -85,8 +79,6 @@ static int rcar_pcie_wakeup(struct device *pcie_dev, void __iomem *pcie_base) writel(L1FAEG | PMEL1RX, pcie_base + PMSR); }

-unlock_exit: - spin_unlock_irqrestore(&pmsr_lock, flags); return ret; }

@@ -633,28 +625,26 @@ static void rcar_msi_irq_mask(struct irq_data *d) { struct rcar_msi *msi = irq_data_get_irq_chip_data(d); struct rcar_pcie *pcie = &msi_to_host(msi)->pcie; - unsigned long flags; u32 value;

- spin_lock_irqsave(&msi->mask_lock, flags); - value = rcar_pci_read_reg(pcie, PCIEMSIIER); - value &= ~BIT(d->hwirq); - rcar_pci_write_reg(pcie, value, PCIEMSIIER); - spin_unlock_irqrestore(&msi->mask_lock, flags); + scoped_guard(raw_spinlock_irqsave, &msi->mask_lock) { + value = rcar_pci_read_reg(pcie, PCIEMSIIER); + value &= ~BIT(d->hwirq); + rcar_pci_write_reg(pcie, value, PCIEMSIIER); + } }

static void rcar_msi_irq_unmask(struct irq_data *d) { struct rcar_msi *msi = irq_data_get_irq_chip_data(d); struct rcar_pcie *pcie = &msi_to_host(msi)->pcie; - unsigned long flags; u32 value;

- spin_lock_irqsave(&msi->mask_lock, flags); - value = rcar_pci_read_reg(pcie, PCIEMSIIER); - value |= BIT(d->hwirq); - rcar_pci_write_reg(pcie, value, PCIEMSIIER); - spin_unlock_irqrestore(&msi->mask_lock, flags); + scoped_guard(raw_spinlock_irqsave, &msi->mask_lock) { + value = rcar_pci_read_reg(pcie, PCIEMSIIER); + value |= BIT(d->hwirq); + rcar_pci_write_reg(pcie, value, PCIEMSIIER); + } }

static int rcar_msi_set_affinity(struct irq_data *d, const struct cpumask *mask, bool force) @@ -770,7 +760,7 @@ static int rcar_pcie_enable_msi(struct rcar_pcie_host *host) int err;

mutex_init(&msi->map_lock); - spin_lock_init(&msi->mask_lock); + raw_spin_lock_init(&msi->mask_lock);

err = of_address_to_resource(dev->of_node, 0, &res); if (err) diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c index ac1dae113f2d..4cf20ca25ea7 100644 --- a/drivers/pci/endpoint/functions/pci-epf-test.c +++ b/drivers/pci/endpoint/functions/pci-epf-test.c @@ -282,17 +282,20 @@ static void pci_epf_test_clean_dma_chan(struct pci_epf_test *epf_test) if (!epf_test->dma_supported) return;

- dma_release_channel(epf_test->dma_chan_tx); - if (epf_test->dma_chan_tx == epf_test->dma_chan_rx) { + if (epf_test->dma_chan_tx) { + dma_release_channel(epf_test->dma_chan_tx); + if (epf_test->dma_chan_tx == epf_test->dma_chan_rx) { + epf_test->dma_chan_tx = NULL; + epf_test->dma_chan_rx = NULL; + return; + } epf_test->dma_chan_tx = NULL; - epf_test->dma_chan_rx = NULL; - return; }

- dma_release_channel(epf_test->dma_chan_rx); - epf_test->dma_chan_rx = NULL; - - return; + if (epf_test->dma_chan_rx) { + dma_release_channel(epf_test->dma_chan_rx); + epf_test->dma_chan_rx = NULL; + } }

static void pci_epf_test_print_rate(struct pci_epf_test *epf_test, diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index 25dbe85c4217..f97c4f0e1c7a 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -581,15 +581,18 @@ static int sriov_add_vfs(struct pci_dev *dev, u16 num_vfs) if (dev->no_vf_scan) return 0;

+ pci_lock_rescan_remove(); for (i = 0; i < num_vfs; i++) { rc = pci_iov_add_virtfn(dev, i); if (rc) goto failed; } + pci_unlock_rescan_remove(); return 0; failed: while (i--) pci_iov_remove_virtfn(dev, i); + pci_unlock_rescan_remove();

return rc; } @@ -709,8 +712,10 @@ static void sriov_del_vfs(struct pci_dev *dev) struct pci_sriov *iov = dev->sriov; int i;

+ pci_lock_rescan_remove(); for (i = 0; i < iov->num_VFs; i++) pci_iov_remove_virtfn(dev, i); + pci_unlock_rescan_remove(); }

static void sriov_disable(struct pci_dev *dev) diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 9c59bf03d657..1705d2d0ed12 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -1612,6 +1612,7 @@ void pci_uevent_ers(struct pci_dev *pdev, enum pci_ers_result err_type) switch (err_type) { case PCI_ERS_RESULT_NONE: case PCI_ERS_RESULT_CAN_RECOVER: + case PCI_ERS_RESULT_NEED_RESET: envp[idx++] = "ERROR_EVENT=BEGIN_RECOVERY"; envp[idx++] = "DEVICE_ONLINE=0"; break; diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 92e8ac85f58e..449d42744d33 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -196,8 +196,14 @@ static ssize_t max_link_width_show(struct device *dev, struct device_attribute *attr, char *buf) { struct pci_dev *pdev = to_pci_dev(dev); + ssize_t ret;

- return sysfs_emit(buf, "%u\n", pcie_get_width_cap(pdev)); + /* We read PCI_EXP_LNKCAP, so we need the device to be accessible. */ + pci_config_pm_runtime_get(pdev); + ret = sysfs_emit(buf, "%u\n", pcie_get_width_cap(pdev)); + pci_config_pm_runtime_put(pdev); + + return ret; } static DEVICE_ATTR_RO(max_link_width);

@@ -209,7 +215,10 @@ static ssize_t current_link_speed_show(struct device *dev, int err; enum pci_bus_speed speed;

+ pci_config_pm_runtime_get(pci_dev); err = pcie_capability_read_word(pci_dev, PCI_EXP_LNKSTA, &linkstat); + pci_config_pm_runtime_put(pci_dev); + if (err) return -EINVAL;

@@ -226,7 +235,10 @@ static ssize_t current_link_width_show(struct device *dev, u16 linkstat; int err;

+ pci_config_pm_runtime_get(pci_dev); err = pcie_capability_read_word(pci_dev, PCI_EXP_LNKSTA, &linkstat); + pci_config_pm_runtime_put(pci_dev); + if (err) return -EINVAL;

@@ -242,7 +254,10 @@ static ssize_t secondary_bus_number_show(struct device *dev, u8 sec_bus; int err;

+ pci_config_pm_runtime_get(pci_dev); err = pci_read_config_byte(pci_dev, PCI_SECONDARY_BUS, &sec_bus); + pci_config_pm_runtime_put(pci_dev); + if (err) return -EINVAL;

@@ -258,7 +273,10 @@ static ssize_t subordinate_bus_number_show(struct device *dev, u8 sub_bus; int err;

+ pci_config_pm_runtime_get(pci_dev); err = pci_read_config_byte(pci_dev, PCI_SUBORDINATE_BUS, &sub_bus); + pci_config_pm_runtime_put(pci_dev); + if (err) return -EINVAL;

diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index eeb9ea9044b4..8e700020ee0b 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -38,7 +38,7 @@ #define AER_ERROR_SOURCES_MAX 128

#define AER_MAX_TYPEOF_COR_ERRS 16 /* as per PCI_ERR_COR_STATUS */ -#define AER_MAX_TYPEOF_UNCOR_ERRS 27 /* as per PCI_ERR_UNCOR_STATUS*/ +#define AER_MAX_TYPEOF_UNCOR_ERRS 32 /* as per PCI_ERR_UNCOR_STATUS*/

struct aer_err_source { unsigned int status; @@ -510,11 +510,11 @@ static const char *aer_uncorrectable_error_string[] = { "AtomicOpBlocked", /* Bit Position 24 */ "TLPBlockedErr", /* Bit Position 25 */ "PoisonTLPBlocked", /* Bit Position 26 */ - NULL, /* Bit Position 27 */ - NULL, /* Bit Position 28 */ - NULL, /* Bit Position 29 */ - NULL, /* Bit Position 30 */ - NULL, /* Bit Position 31 */ + "DMWrReqBlocked", /* Bit Position 27 */ + "IDECheck", /* Bit Position 28 */ + "MisIDETLP", /* Bit Position 29 */ + "PCRC_CHECK", /* Bit Position 30 */ + "TLPXlatBlocked", /* Bit Position 31 */ };

static const char *aer_agent_string[] = { diff --git a/drivers/pci/pcie/err.c b/drivers/pci/pcie/err.c index 705893b5f7b0..197191178cdd 100644 --- a/drivers/pci/pcie/err.c +++ b/drivers/pci/pcie/err.c @@ -108,6 +108,12 @@ static int report_normal_detected(struct pci_dev *dev, void *data) return report_error_detected(dev, pci_channel_io_normal, data); }

+static int report_perm_failure_detected(struct pci_dev *dev, void *data) +{ + pci_uevent_ers(dev, PCI_ERS_RESULT_DISCONNECT); + return 0; +} + static int report_mmio_enabled(struct pci_dev *dev, void *data) { struct pci_driver *pdrv; @@ -275,7 +281,7 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev, failed: pci_walk_bridge(bridge, pci_pm_runtime_put, NULL);

- pci_uevent_ers(bridge, PCI_ERS_RESULT_DISCONNECT); + pci_walk_bridge(bridge, report_perm_failure_detected, NULL);

/* TODO: Should kernel panic here? */ pci_info(bridge, "device recovery failed\n"); diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.h b/drivers/pinctrl/samsung/pinctrl-samsung.h index 9af93e3d8d9f..1efbae6c9987 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.h +++ b/drivers/pinctrl/samsung/pinctrl-samsung.h @@ -352,10 +352,6 @@ extern const struct samsung_pinctrl_of_match_data exynos850_of_data; extern const struct samsung_pinctrl_of_match_data exynosautov9_of_data; extern const struct samsung_pinctrl_of_match_data fsd_of_data; extern const struct samsung_pinctrl_of_match_data s3c64xx_of_data; -extern const struct samsung_pinctrl_of_match_data s3c2412_of_data; -extern const struct samsung_pinctrl_of_match_data s3c2416_of_data; -extern const struct samsung_pinctrl_of_match_data s3c2440_of_data; -extern const struct samsung_pinctrl_of_match_data s3c2450_of_data; extern const struct samsung_pinctrl_of_match_data s5pv210_of_data;

#endif /* __PINCTRL_SAMSUNG_H */ diff --git a/drivers/power/supply/max77976_charger.c b/drivers/power/supply/max77976_charger.c index 99659dc8f5a6..56ab502e1a80 100644 --- a/drivers/power/supply/max77976_charger.c +++ b/drivers/power/supply/max77976_charger.c @@ -292,10 +292,10 @@ static int max77976_get_property(struct power_supply *psy, case POWER_SUPPLY_PROP_ONLINE: err = max77976_get_online(chg, &val->intval); break; - case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX: + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX: val->intval = MAX77976_CHG_CC_MAX; break; - case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT: + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: err = max77976_get_integer(chg, CHG_CC, MAX77976_CHG_CC_MIN, MAX77976_CHG_CC_MAX, @@ -330,7 +330,7 @@ static int max77976_set_property(struct power_supply *psy, int err = 0;

switch (psp) { - case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT: + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: err = max77976_set_integer(chg, CHG_CC, MAX77976_CHG_CC_MIN, MAX77976_CHG_CC_MAX, @@ -355,7 +355,7 @@ static int max77976_property_is_writeable(struct power_supply *psy, enum power_supply_property psp) { switch (psp) { - case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT: + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: return true; default: @@ -368,8 +368,8 @@ static enum power_supply_property max77976_psy_props[] = { POWER_SUPPLY_PROP_CHARGE_TYPE, POWER_SUPPLY_PROP_HEALTH, POWER_SUPPLY_PROP_ONLINE, - POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT, - POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX, POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, POWER_SUPPLY_PROP_MODEL_NAME, POWER_SUPPLY_PROP_MANUFACTURER, diff --git a/drivers/pwm/pwm-berlin.c b/drivers/pwm/pwm-berlin.c index 0971c666afd1..14729a6ae09a 100644 --- a/drivers/pwm/pwm-berlin.c +++ b/drivers/pwm/pwm-berlin.c @@ -273,7 +273,7 @@ static int berlin_pwm_suspend(struct device *dev) if (!channel) continue;

- channel->enable = berlin_pwm_readl(bpc, i, BERLIN_PWM_ENABLE); + channel->enable = berlin_pwm_readl(bpc, i, BERLIN_PWM_EN); channel->ctrl = berlin_pwm_readl(bpc, i, BERLIN_PWM_CONTROL); channel->duty = berlin_pwm_readl(bpc, i, BERLIN_PWM_DUTY); channel->tcnt = berlin_pwm_readl(bpc, i, BERLIN_PWM_TCNT); @@ -304,7 +304,7 @@ static int berlin_pwm_resume(struct device *dev) berlin_pwm_writel(bpc, i, channel->ctrl, BERLIN_PWM_CONTROL); berlin_pwm_writel(bpc, i, channel->duty, BERLIN_PWM_DUTY); berlin_pwm_writel(bpc, i, channel->tcnt, BERLIN_PWM_TCNT); - berlin_pwm_writel(bpc, i, channel->enable, BERLIN_PWM_ENABLE); + berlin_pwm_writel(bpc, i, channel->enable, BERLIN_PWM_EN); }

return 0; diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 4a7c41a6c21e..93baffe110c0 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -443,6 +443,29 @@ static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) else err = rtc->ops->set_alarm(rtc->dev.parent, alarm);

+ /* + * Check for potential race described above. If the waiting for next + * second, and the second just ticked since the check above, either + * + * 1) It ticked after the alarm was set, and an alarm irq should be + * generated. + * + * 2) It ticked before the alarm was set, and alarm irq most likely will + * not be generated. + * + * While we cannot easily check for which of these two scenarios we + * are in, we can return -ETIME to signal that the timer has already + * expired, which is true in both cases. + */ + if ((scheduled - now) <= 1) { + err = __rtc_read_time(rtc, &tm); + if (err) + return err; + now = rtc_tm_to_time64(&tm); + if (scheduled <= now) + return -ETIME; + } + trace_rtc_set_alarm(rtc_tm_to_time64(&alarm->time), err); return err; } @@ -594,6 +617,10 @@ int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled) rtc->uie_rtctimer.node.expires = ktime_add(now, onesec); rtc->uie_rtctimer.period = ktime_set(1, 0); err = rtc_timer_enqueue(rtc, &rtc->uie_rtctimer); + if (!err && rtc->ops && rtc->ops->alarm_irq_enable) + err = rtc->ops->alarm_irq_enable(rtc->dev.parent, 1); + if (err) + goto out; } else { rtc_timer_remove(rtc, &rtc->uie_rtctimer); } diff --git a/drivers/rtc/rtc-optee.c b/drivers/rtc/rtc-optee.c index 9f8b5d4a8f6b..6b77c122fdc1 100644 --- a/drivers/rtc/rtc-optee.c +++ b/drivers/rtc/rtc-optee.c @@ -320,6 +320,7 @@ static int optee_rtc_remove(struct device *dev) { struct optee_rtc *priv = dev_get_drvdata(dev);

+ tee_shm_free(priv->shm); tee_client_close_session(priv->ctx, priv->session_id); tee_client_close_context(priv->ctx);

diff --git a/drivers/rtc/rtc-x1205.c b/drivers/rtc/rtc-x1205.c index 807f953ae0ae..b7a7ea036f7a 100644 --- a/drivers/rtc/rtc-x1205.c +++ b/drivers/rtc/rtc-x1205.c @@ -669,7 +669,7 @@ static const struct i2c_device_id x1205_id[] = { MODULE_DEVICE_TABLE(i2c, x1205_id);

static const struct of_device_id x1205_dt_ids[] = { - { .compatible = "xircom,x1205", }, + { .compatible = "xicor,x1205", }, {}, }; MODULE_DEVICE_TABLE(of, x1205_dt_ids); diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 49c57a9c110b..42a89ab33e1c 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -6528,18 +6528,21 @@ static int hpsa_big_passthru_ioctl(struct ctlr_info *h, while (left) { sz = (left > ioc->malloc_size) ? ioc->malloc_size : left; buff_size[sg_used] = sz; - buff[sg_used] = kmalloc(sz, GFP_KERNEL); - if (buff[sg_used] == NULL) { - status = -ENOMEM; - goto cleanup1; - } + if (ioc->Request.Type.Direction & XFER_WRITE) { - if (copy_from_user(buff[sg_used], data_ptr, sz)) { - status = -EFAULT; + buff[sg_used] = memdup_user(data_ptr, sz); + if (IS_ERR(buff[sg_used])) { + status = PTR_ERR(buff[sg_used]); goto cleanup1; } - } else - memset(buff[sg_used], 0, sz); + } else { + buff[sg_used] = kzalloc(sz, GFP_KERNEL); + if (!buff[sg_used]) { + status = -ENOMEM; + goto cleanup1; + } + } + left -= sz; data_ptr += sz; sg_used++; diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index 43ebb331e216..47c4434dc7e7 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -139,7 +139,7 @@ static void mvs_free(struct mvs_info *mvi) if (mvi->shost) scsi_host_put(mvi->shost); list_for_each_entry(mwq, &mvi->wq_list, entry) - cancel_delayed_work(&mwq->work_q); + cancel_delayed_work_sync(&mwq->work_q); kfree(mvi->rsvd_tags); kfree(mvi); } diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index bf9b816637d0..7b809644436e 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -687,6 +687,7 @@ static int cqspi_read_setup(struct cqspi_flash_pdata *f_pdata, reg &= ~CQSPI_REG_SIZE_ADDRESS_MASK; reg |= (op->addr.nbytes - 1); writel(reg, reg_base + CQSPI_REG_SIZE); + readl(reg_base + CQSPI_REG_SIZE); /* Flush posted write. */ return 0; }

@@ -726,6 +727,7 @@ static int cqspi_indirect_read_execute(struct cqspi_flash_pdata *f_pdata, reinit_completion(&cqspi->transfer_complete); writel(CQSPI_REG_INDIRECTRD_START_MASK, reg_base + CQSPI_REG_INDIRECTRD); + readl(reg_base + CQSPI_REG_INDIRECTRD); /* Flush posted write. */

while (remaining > 0) { if (!wait_for_completion_timeout(&cqspi->transfer_complete, @@ -1004,6 +1006,7 @@ static int cqspi_write_setup(struct cqspi_flash_pdata *f_pdata, reg &= ~CQSPI_REG_SIZE_ADDRESS_MASK; reg |= (op->addr.nbytes - 1); writel(reg, reg_base + CQSPI_REG_SIZE); + readl(reg_base + CQSPI_REG_SIZE); /* Flush posted write. */ return 0; }

@@ -1029,6 +1032,8 @@ static int cqspi_indirect_write_execute(struct cqspi_flash_pdata *f_pdata, reinit_completion(&cqspi->transfer_complete); writel(CQSPI_REG_INDIRECTWR_START_MASK, reg_base + CQSPI_REG_INDIRECTWR); + readl(reg_base + CQSPI_REG_INDIRECTWR); /* Flush posted write. */ + /* * As per 66AK2G02 TRM SPRUHY8F section 11.15.5.3 Indirect Access * Controller programming sequence, couple of cycles of diff --git a/drivers/video/fbdev/core/fb_cmdline.c b/drivers/video/fbdev/core/fb_cmdline.c index 4d1634c492ec..594b60424d1c 100644 --- a/drivers/video/fbdev/core/fb_cmdline.c +++ b/drivers/video/fbdev/core/fb_cmdline.c @@ -40,7 +40,7 @@ int fb_get_options(const char *name, char **option) bool enabled;

if (name) - is_of = strncmp(name, "offb", 4); + is_of = !strncmp(name, "offb", 4);

enabled = __video_get_options(name, &options, is_of);

diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 9e3b5d21d098..3a8f2e659e00 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -1326,14 +1326,17 @@ int bind_interdomain_evtchn_to_irq_lateeoi(struct xenbus_device *dev, } EXPORT_SYMBOL_GPL(bind_interdomain_evtchn_to_irq_lateeoi);

-static int find_virq(unsigned int virq, unsigned int cpu, evtchn_port_t *evtchn) +static int find_virq(unsigned int virq, unsigned int cpu, evtchn_port_t *evtchn, + bool percpu) { struct evtchn_status status; evtchn_port_t port; - int rc = -ENOENT; + bool exists = false;

memset(&status, 0, sizeof(status)); for (port = 0; port < xen_evtchn_max_channels(); port++) { + int rc; + status.dom = DOMID_SELF; status.port = port; rc = HYPERVISOR_event_channel_op(EVTCHNOP_status, &status); @@ -1341,12 +1344,16 @@ static int find_virq(unsigned int virq, unsigned int cpu, evtchn_port_t *evtchn) continue; if (status.status != EVTCHNSTAT_virq) continue; - if (status.u.virq == virq && status.vcpu == xen_vcpu_nr(cpu)) { + if (status.u.virq != virq) + continue; + if (status.vcpu == xen_vcpu_nr(cpu)) { *evtchn = port; - break; + return 0; + } else if (!percpu) { + exists = true; } } - return rc; + return exists ? -EEXIST : -ENOENT; }

/** @@ -1393,8 +1400,11 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu, bool percpu) evtchn = bind_virq.port; else { if (ret == -EEXIST) - ret = find_virq(virq, cpu, &evtchn); - BUG_ON(ret < 0); + ret = find_virq(virq, cpu, &evtchn, percpu); + if (ret) { + __unbind_from_irq(info, info->irq); + goto out; + } }

ret = xen_irq_info_virq_setup(info, cpu, evtchn, virq); @@ -1799,9 +1809,20 @@ static int xen_rebind_evtchn_to_cpu(struct irq_info *info, unsigned int tcpu) * virq or IPI channel, which don't actually need to be rebound. Ignore * it, but don't do the xenlinux-level rebind in that case. */ - if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_vcpu, &bind_vcpu) >= 0) + if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_vcpu, &bind_vcpu) >= 0) { + int old_cpu = info->cpu; + bind_evtchn_to_cpu(info, tcpu, false);

+ if (info->type == IRQT_VIRQ) { + int virq = info->u.virq; + int irq = per_cpu(virq_to_irq, old_cpu)[virq]; + + per_cpu(virq_to_irq, old_cpu)[virq] = -1; + per_cpu(virq_to_irq, tcpu)[virq] = irq; + } + } + do_unmask(info, EVT_MASK_REASON_TEMPORARY);

return 0; diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index c16df629907e..55537b673990 100644 --- a/drivers/xen/manage.c +++ b/drivers/xen/manage.c @@ -116,7 +116,7 @@ static void do_suspend(void) err = dpm_suspend_start(PMSG_FREEZE); if (err) { pr_err("%s: dpm_suspend_start %d\n", __func__, err); - goto out_thaw; + goto out_resume_end; }

printk(KERN_DEBUG "suspending xenstore...\n"); @@ -156,6 +156,7 @@ static void do_suspend(void) else xs_suspend_cancel();

+out_resume_end: dpm_resume_end(si.cancelled ? PMSG_THAW : PMSG_RESTORE);

out_thaw: diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c index 203e5964c9b0..5e46f8cd7ea0 100644 --- a/fs/btrfs/export.c +++ b/fs/btrfs/export.c @@ -24,7 +24,11 @@ static int btrfs_encode_fh(struct inode *inode, u32 *fh, int *max_len, int type;

if (parent && (len < BTRFS_FID_SIZE_CONNECTABLE)) { - *max_len = BTRFS_FID_SIZE_CONNECTABLE; + if (btrfs_root_id(BTRFS_I(inode)->root) != + btrfs_root_id(BTRFS_I(parent)->root)) + *max_len = BTRFS_FID_SIZE_CONNECTABLE_ROOT; + else + *max_len = BTRFS_FID_SIZE_CONNECTABLE; return FILEID_INVALID; } else if (len < BTRFS_FID_SIZE_NON_CONNECTABLE) { *max_len = BTRFS_FID_SIZE_NON_CONNECTABLE; @@ -46,6 +50,8 @@ static int btrfs_encode_fh(struct inode *inode, u32 *fh, int *max_len, parent_root_id = BTRFS_I(parent)->root->root_key.objectid;

if (parent_root_id != fid->root_objectid) { + if (*max_len < BTRFS_FID_SIZE_CONNECTABLE_ROOT) + return FILEID_INVALID; fid->parent_root_objectid = parent_root_id; len = BTRFS_FID_SIZE_CONNECTABLE_ROOT; type = FILEID_BTRFS_WITH_PARENT_ROOT; diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index ccf94c5fbfdf..88ba277bc3a7 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -364,6 +364,13 @@ noinline_for_stack bool find_lock_delalloc_range(struct inode *inode, /* step one, find a bunch of delalloc bytes starting at start */ delalloc_start = *start; delalloc_end = 0; + + /* + * If @max_bytes is smaller than a block, btrfs_find_delalloc_range() can + * return early without handling any dirty ranges. + */ + ASSERT(max_bytes >= fs_info->sectorsize); + found = btrfs_find_delalloc_range(tree, &delalloc_start, &delalloc_end, max_bytes, &cached_state); if (!found || delalloc_end <= *start || delalloc_start > orig_end) { @@ -394,13 +401,14 @@ noinline_for_stack bool find_lock_delalloc_range(struct inode *inode, delalloc_start, delalloc_end); ASSERT(!ret || ret == -EAGAIN); if (ret == -EAGAIN) { - /* some of the pages are gone, lets avoid looping by - * shortening the size of the delalloc range we're searching + /* + * Some of the pages are gone, lets avoid looping by + * shortening the size of the delalloc range we're searching. */ free_extent_state(cached_state); cached_state = NULL; if (!loops) { - max_bytes = PAGE_SIZE; + max_bytes = fs_info->sectorsize; loops = 1; goto again; } else { diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c index 2fbf97077ce9..3f06362985b5 100644 --- a/fs/cramfs/inode.c +++ b/fs/cramfs/inode.c @@ -117,9 +117,18 @@ static struct inode *get_cramfs_inode(struct super_block *sb, inode_nohighmem(inode); inode->i_data.a_ops = &cramfs_aops; break; - default: + case S_IFCHR: + case S_IFBLK: + case S_IFIFO: + case S_IFSOCK: init_special_inode(inode, cramfs_inode->mode, old_decode_dev(cramfs_inode->size)); + break; + default: + printk(KERN_DEBUG "CRAMFS: Invalid file type 0%04o for inode %lu.\n", + inode->i_mode, inode->i_ino); + iget_failed(inode); + return ERR_PTR(-EIO); }

inode->i_mode = cramfs_inode->mode; diff --git a/fs/ext4/fsmap.c b/fs/ext4/fsmap.c index 1b68586f73f3..c970f41c5048 100644 --- a/fs/ext4/fsmap.c +++ b/fs/ext4/fsmap.c @@ -74,7 +74,8 @@ static int ext4_getfsmap_dev_compare(const void *p1, const void *p2) static bool ext4_getfsmap_rec_before_low_key(struct ext4_getfsmap_info *info, struct ext4_fsmap *rec) { - return rec->fmr_physical < info->gfi_low.fmr_physical; + return rec->fmr_physical + rec->fmr_length <= + info->gfi_low.fmr_physical; }

/* @@ -200,15 +201,18 @@ static int ext4_getfsmap_meta_helper(struct super_block *sb, ext4_group_first_block_no(sb, agno)); fs_end = fs_start + EXT4_C2B(sbi, len);

- /* Return relevant extents from the meta_list */ + /* + * Return relevant extents from the meta_list. We emit all extents that + * partially/fully overlap with the query range + */ list_for_each_entry_safe(p, tmp, &info->gfi_meta_list, fmr_list) { - if (p->fmr_physical < info->gfi_next_fsblk) { + if (p->fmr_physical + p->fmr_length <= info->gfi_next_fsblk) { list_del(&p->fmr_list); kfree(p); continue; } - if (p->fmr_physical <= fs_start || - p->fmr_physical + p->fmr_length <= fs_end) { + if (p->fmr_physical <= fs_end && + p->fmr_physical + p->fmr_length > fs_start) { /* Emit the retained free extent record if present */ if (info->gfi_lastfree.fmr_owner) { error = ext4_getfsmap_helper(sb, info, diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 63b1384823ba..91a9fa6f1ad4 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3871,7 +3871,11 @@ int ext4_can_truncate(struct inode *inode) * We have to make sure i_disksize gets properly updated before we truncate * page cache due to hole punching or zero range. Otherwise i_disksize update * can get lost as it may have been postponed to submission of writeback but - * that will never happen after we truncate page cache. + * that will never happen if we remove the folio containing i_size from the + * page cache. Also if we punch hole within i_size but above i_disksize, + * following ext4_page_mkwrite() may mistakenly allocate written blocks over + * the hole and thus introduce allocated blocks beyond i_disksize which is + * not allowed (e2fsck would complain in case of crash). */ int ext4_update_disksize_before_punch(struct inode *inode, loff_t offset, loff_t len) @@ -3882,9 +3886,11 @@ int ext4_update_disksize_before_punch(struct inode *inode, loff_t offset, loff_t size = i_size_read(inode);

WARN_ON(!inode_is_locked(inode)); - if (offset > size || offset + len < size) + if (offset > size) return 0;

+ if (offset + len < size) + size = offset + len; if (EXT4_I(inode)->i_disksize >= size) return 0;

diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index 5e6b07b34960..c566161127cd 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -225,7 +225,7 @@ static int mext_page_mkuptodate(struct folio *folio, size_t from, size_t to) do { if (bh_offset(bh) + blocksize <= from) continue; - if (bh_offset(bh) > to) + if (bh_offset(bh) >= to) break; wait_on_buffer(bh); if (buffer_uptodate(bh)) diff --git a/fs/ext4/orphan.c b/fs/ext4/orphan.c index c53918768cb2..05997b4d0120 100644 --- a/fs/ext4/orphan.c +++ b/fs/ext4/orphan.c @@ -513,7 +513,7 @@ void ext4_release_orphan_info(struct super_block *sb) return; for (i = 0; i < oi->of_blocks; i++) brelse(oi->of_binfo[i].ob_bh); - kfree(oi->of_binfo); + kvfree(oi->of_binfo); }

static struct ext4_orphan_block_tail *ext4_orphan_block_tail( @@ -584,9 +584,20 @@ int ext4_init_orphan_info(struct super_block *sb) ext4_msg(sb, KERN_ERR, "get orphan inode failed"); return PTR_ERR(inode); } + /* + * This is just an artificial limit to prevent corrupted fs from + * consuming absurd amounts of memory when pinning blocks of orphan + * file in memory. + */ + if (inode->i_size > 8 << 20) { + ext4_msg(sb, KERN_ERR, "orphan file too big: %llu", + (unsigned long long)inode->i_size); + ret = -EFSCORRUPTED; + goto out_put; + } oi->of_blocks = inode->i_size >> sb->s_blocksize_bits; oi->of_csum_seed = EXT4_I(inode)->i_csum_seed; - oi->of_binfo = kmalloc_array(oi->of_blocks, + oi->of_binfo = kvmalloc_array(oi->of_blocks, sizeof(struct ext4_orphan_block), GFP_KERNEL); if (!oi->of_binfo) { @@ -627,7 +638,7 @@ int ext4_init_orphan_info(struct super_block *sb) out_free: for (i--; i >= 0; i--) brelse(oi->of_binfo[i].ob_bh); - kfree(oi->of_binfo); + kvfree(oi->of_binfo); out_put: iput(inode); return ret; diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index ca22aa9e04b4..66933e55efb3 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -251,6 +251,10 @@ check_xattrs(struct inode *inode, struct buffer_head *bh, err_str = "invalid ea_ino"; goto errout; } + if (ea_ino && !size) { + err_str = "invalid size in ea xattr"; + goto errout; + } if (size > EXT4_XATTR_SIZE_MAX) { err_str = "e_value size too large"; goto errout; @@ -1036,7 +1040,7 @@ static int ext4_xattr_inode_update_ref(handle_t *handle, struct inode *ea_inode, int ref_change) { struct ext4_iloc iloc; - s64 ref_count; + u64 ref_count; int ret;

inode_lock_nested(ea_inode, I_MUTEX_XATTR); @@ -1046,13 +1050,17 @@ static int ext4_xattr_inode_update_ref(handle_t *handle, struct inode *ea_inode, goto out;

ref_count = ext4_xattr_inode_get_ref(ea_inode); + if ((ref_count == 0 && ref_change < 0) || (ref_count == U64_MAX && ref_change > 0)) { + ext4_error_inode(ea_inode, __func__, __LINE__, 0, + "EA inode %lu ref wraparound: ref_count=%lld ref_change=%d", + ea_inode->i_ino, ref_count, ref_change); + ret = -EFSCORRUPTED; + goto out; + } ref_count += ref_change; ext4_xattr_inode_set_ref(ea_inode, ref_count);

if (ref_change > 0) { - WARN_ONCE(ref_count <= 0, "EA inode %lu ref_count=%lld", - ea_inode->i_ino, ref_count); - if (ref_count == 1) { WARN_ONCE(ea_inode->i_nlink, "EA inode %lu i_nlink=%u", ea_inode->i_ino, ea_inode->i_nlink); @@ -1061,9 +1069,6 @@ static int ext4_xattr_inode_update_ref(handle_t *handle, struct inode *ea_inode, ext4_orphan_del(handle, ea_inode); } } else { - WARN_ONCE(ref_count < 0, "EA inode %lu ref_count=%lld", - ea_inode->i_ino, ref_count); - if (ref_count == 0) { WARN_ONCE(ea_inode->i_nlink != 1, "EA inode %lu i_nlink=%u", diff --git a/fs/file.c b/fs/file.c index 0ce6a6930276..9b76b9644ac2 100644 --- a/fs/file.c +++ b/fs/file.c @@ -1138,7 +1138,10 @@ int replace_fd(unsigned fd, struct file *file, unsigned flags) err = expand_files(files, fd); if (unlikely(err < 0)) goto out_unlock; - return do_dup2(files, file, fd, flags); + err = do_dup2(files, file, fd, flags); + if (err < 0) + return err; + return 0;

out_unlock: spin_unlock(&files->file_lock); diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index ed110568d612..274fae88b498 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -422,22 +422,23 @@ static bool inode_do_switch_wbs(struct inode *inode, * Transfer to @new_wb's IO list if necessary. If the @inode is dirty, * the specific list @inode was on is ignored and the @inode is put on * ->b_dirty which is always correct including from ->b_dirty_time. - * The transfer preserves @inode->dirtied_when ordering. If the @inode - * was clean, it means it was on the b_attached list, so move it onto - * the b_attached list of @new_wb. + * If the @inode was clean, it means it was on the b_attached list, so + * move it onto the b_attached list of @new_wb. */ if (!list_empty(&inode->i_io_list)) { inode->i_wb = new_wb;

if (inode->i_state & I_DIRTY_ALL) { - struct inode *pos; - - list_for_each_entry(pos, &new_wb->b_dirty, i_io_list) - if (time_after_eq(inode->dirtied_when, - pos->dirtied_when)) - break; + /* + * We need to keep b_dirty list sorted by + * dirtied_time_when. However properly sorting the + * inode in the list gets too expensive when switching + * many inodes. So just attach inode at the end of the + * dirty list and clobber the dirtied_time_when. + */ + inode->dirtied_time_when = jiffies; inode_io_list_move_locked(inode, new_wb, - pos->i_io_list.prev); + &new_wb->b_dirty); } else { inode_cgwb_move_to_attached(inode, new_wb); } @@ -479,6 +480,7 @@ static void inode_switch_wbs_work_fn(struct work_struct *work) */ down_read(&bdi->wb_switch_rwsem);

+ inodep = isw->inodes; /* * By the time control reaches here, RCU grace period has passed * since I_WB_SWITCH assertion and all wb stat update transactions @@ -489,6 +491,7 @@ static void inode_switch_wbs_work_fn(struct work_struct *work) * gives us exclusion against all wb related operations on @inode * including IO list manipulations and stat updates. */ +relock: if (old_wb < new_wb) { spin_lock(&old_wb->list_lock); spin_lock_nested(&new_wb->list_lock, SINGLE_DEPTH_NESTING); @@ -497,10 +500,17 @@ static void inode_switch_wbs_work_fn(struct work_struct *work) spin_lock_nested(&old_wb->list_lock, SINGLE_DEPTH_NESTING); }

- for (inodep = isw->inodes; *inodep; inodep++) { + while (*inodep) { WARN_ON_ONCE((*inodep)->i_wb != old_wb); if (inode_do_switch_wbs(*inodep, old_wb, new_wb)) nr_switched++; + inodep++; + if (*inodep && need_resched()) { + spin_unlock(&new_wb->list_lock); + spin_unlock(&old_wb->list_lock); + cond_resched(); + goto relock; + } }

spin_unlock(&new_wb->list_lock); diff --git a/fs/fsopen.c b/fs/fsopen.c index ce03f6521c88..3576b1084ec2 100644 --- a/fs/fsopen.c +++ b/fs/fsopen.c @@ -18,50 +18,56 @@ #include "internal.h" #include "mount.h"

+static inline const char *fetch_message_locked(struct fc_log *log, size_t len, + bool *need_free) +{ + const char *p; + int index; + + if (unlikely(log->head == log->tail)) + return ERR_PTR(-ENODATA); + + index = log->tail & (ARRAY_SIZE(log->buffer) - 1); + p = log->buffer[index]; + if (unlikely(strlen(p) > len)) + return ERR_PTR(-EMSGSIZE); + + log->buffer[index] = NULL; + *need_free = log->need_free & (1 << index); + log->need_free &= ~(1 << index); + log->tail++; + + return p; +} + /* * Allow the user to read back any error, warning or informational messages. + * Only one message is returned for each read(2) call. */ static ssize_t fscontext_read(struct file *file, char __user *_buf, size_t len, loff_t *pos) { struct fs_context *fc = file->private_data; - struct fc_log *log = fc->log.log; - unsigned int logsize = ARRAY_SIZE(log->buffer); - ssize_t ret; - char *p; + ssize_t err; + const char *p __free(kfree) = NULL, *message; bool need_free; - int index, n; + int n;

- ret = mutex_lock_interruptible(&fc->uapi_mutex); - if (ret < 0) - return ret; - - if (log->head == log->tail) { - mutex_unlock(&fc->uapi_mutex); - return -ENODATA; - } - - index = log->tail & (logsize - 1); - p = log->buffer[index]; - need_free = log->need_free & (1 << index); - log->buffer[index] = NULL; - log->need_free &= ~(1 << index); - log->tail++; + err = mutex_lock_interruptible(&fc->uapi_mutex); + if (err < 0) + return err; + message = fetch_message_locked(fc->log.log, len, &need_free); mutex_unlock(&fc->uapi_mutex); + if (IS_ERR(message)) + return PTR_ERR(message);

- ret = -EMSGSIZE; - n = strlen(p); - if (n > len) - goto err_free; - ret = -EFAULT; - if (copy_to_user(_buf, p, n) != 0) - goto err_free; - ret = n; - -err_free: if (need_free) - kfree(p); - return ret; + p = message; + + n = strlen(message); + if (copy_to_user(_buf, message, n)) + return -EFAULT; + return n; }

static int fscontext_release(struct inode *inode, struct file *file) diff --git a/fs/minix/inode.c b/fs/minix/inode.c index df575473c1cc..ee8a6fe360e7 100644 --- a/fs/minix/inode.c +++ b/fs/minix/inode.c @@ -470,8 +470,14 @@ void minix_set_inode(struct inode *inode, dev_t rdev) inode->i_op = &minix_symlink_inode_operations; inode_nohighmem(inode); inode->i_mapping->a_ops = &minix_aops; - } else + } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || + S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { init_special_inode(inode, inode->i_mode, rdev); + } else { + printk(KERN_DEBUG "MINIX-fs: Invalid file type 0%04o for inode %lu.\n", + inode->i_mode, inode->i_ino); + make_bad_inode(inode); + } }

/* diff --git a/fs/namei.c b/fs/namei.c index 155e4d09a5fb..02b0c2731298 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1364,6 +1364,10 @@ static int follow_automount(struct path *path, int *count, unsigned lookup_flags dentry->d_inode) return -EISDIR;

+ /* No need to trigger automounts if mountpoint crossing is disabled. */ + if (lookup_flags & LOOKUP_NO_XDEV) + return -EXDEV; + if (count && (*count)++ >= MAXSYMLINKS) return -ELOOP;

@@ -1387,6 +1391,10 @@ static int __traverse_mounts(struct path *path, unsigned flags, bool *jumped, /* Allow the filesystem to manage the transit without i_mutex * being held. */ if (flags & DCACHE_MANAGE_TRANSIT) { + if (lookup_flags & LOOKUP_NO_XDEV) { + ret = -EXDEV; + break; + } ret = path->dentry->d_op->d_manage(path, false); flags = smp_load_acquire(&path->dentry->d_flags); if (ret < 0) diff --git a/fs/namespace.c b/fs/namespace.c index f79226472251..646d9e7d41ee 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -64,6 +64,15 @@ static int __init set_mphash_entries(char *str) } __setup("mphash_entries=", set_mphash_entries);

+static char * __initdata initramfs_options; +static int __init initramfs_options_setup(char *str) +{ + initramfs_options = str; + return 1; +} + +__setup("initramfs_options=", initramfs_options_setup); + static u64 event; static DEFINE_IDA(mnt_id_ida); static DEFINE_IDA(mnt_group_ida); @@ -4728,7 +4737,7 @@ static void __init init_mount_tree(void) struct mnt_namespace *ns; struct path root;

- mnt = vfs_kern_mount(&rootfs_fs_type, 0, "rootfs", NULL); + mnt = vfs_kern_mount(&rootfs_fs_type, 0, "rootfs", initramfs_options); if (IS_ERR(mnt)) panic("Can't create rootfs");

diff --git a/fs/nfsd/lockd.c b/fs/nfsd/lockd.c index 46a7f9b813e5..b02886f38925 100644 --- a/fs/nfsd/lockd.c +++ b/fs/nfsd/lockd.c @@ -48,6 +48,21 @@ nlm_fopen(struct svc_rqst *rqstp, struct nfs_fh *f, struct file **filp, switch (nfserr) { case nfs_ok: return 0; + case nfserr_jukebox: + /* this error can indicate a presence of a conflicting + * delegation to an NLM lock request. Options are: + * (1) For now, drop this request and make the client + * retry. When delegation is returned, client's lock retry + * will complete. + * (2) NLM4_DENIED as per "spec" signals to the client + * that the lock is unavailable now but client can retry. + * Linux client implementation does not. It treats + * NLM4_DENIED same as NLM4_FAILED and errors the request. + * (3) For the future, treat this as blocked lock and try + * to callback when the delegation is returned but might + * not have a proper lock request to block on. + */ + fallthrough; case nfserr_dropit: return nlm_drop_reply; case nfserr_stale: diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index cd78b7ecbd43..e9c1271b7ecc 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -1368,7 +1368,7 @@ static __be32 nfsd4_ssc_setup_dul(struct nfsd_net *nn, char *ipaddr, return 0; } if (work) { - strscpy(work->nsui_ipaddr, ipaddr, sizeof(work->nsui_ipaddr) - 1); + strscpy(work->nsui_ipaddr, ipaddr, sizeof(work->nsui_ipaddr)); refcount_set(&work->nsui_refcnt, 2); work->nsui_busy = true; list_add_tail(&work->nsui_list, &nn->nfsd_ssc_mount_list); diff --git a/fs/ntfs3/bitmap.c b/fs/ntfs3/bitmap.c index cf4fe21a5039..29b585f443f3 100644 --- a/fs/ntfs3/bitmap.c +++ b/fs/ntfs3/bitmap.c @@ -1399,6 +1399,7 @@ int wnd_extend(struct wnd_bitmap *wnd, size_t new_bits) mark_buffer_dirty(bh); unlock_buffer(bh); /* err = sync_dirty_buffer(bh); */ + put_bh(bh);

b0 = 0; bits -= op; diff --git a/fs/smb/client/smb1ops.c b/fs/smb/client/smb1ops.c index e62d9cc592e0..c80b291a14a5 100644 --- a/fs/smb/client/smb1ops.c +++ b/fs/smb/client/smb1ops.c @@ -671,14 +671,72 @@ static int cifs_query_path_info(const unsigned int xid, }

#ifdef CONFIG_CIFS_XATTR + /* + * For non-symlink WSL reparse points it is required to fetch + * EA $LXMOD which contains in its S_DT part the mandatory file type. + */ + if (!rc && data->reparse_point) { + struct smb2_file_full_ea_info *ea; + u32 next = 0; + + ea = (struct smb2_file_full_ea_info *)data->wsl.eas; + do { + ea = (void *)((u8 *)ea + next); + next = le32_to_cpu(ea->next_entry_offset); + } while (next); + if (le16_to_cpu(ea->ea_value_length)) { + ea->next_entry_offset = cpu_to_le32(ALIGN(sizeof(*ea) + + ea->ea_name_length + 1 + + le16_to_cpu(ea->ea_value_length), 4)); + ea = (void *)((u8 *)ea + le32_to_cpu(ea->next_entry_offset)); + } + + rc = CIFSSMBQAllEAs(xid, tcon, full_path, SMB2_WSL_XATTR_MODE, + &ea->ea_data[SMB2_WSL_XATTR_NAME_LEN + 1], + SMB2_WSL_XATTR_MODE_SIZE, cifs_sb); + if (rc == SMB2_WSL_XATTR_MODE_SIZE) { + ea->next_entry_offset = cpu_to_le32(0); + ea->flags = 0; + ea->ea_name_length = SMB2_WSL_XATTR_NAME_LEN; + ea->ea_value_length = cpu_to_le16(SMB2_WSL_XATTR_MODE_SIZE); + memcpy(&ea->ea_data[0], SMB2_WSL_XATTR_MODE, SMB2_WSL_XATTR_NAME_LEN + 1); + data->wsl.eas_len += ALIGN(sizeof(*ea) + SMB2_WSL_XATTR_NAME_LEN + 1 + + SMB2_WSL_XATTR_MODE_SIZE, 4); + rc = 0; + } else if (rc >= 0) { + /* It is an error if EA $LXMOD has wrong size. */ + rc = -EINVAL; + } else { + /* + * In all other cases ignore error if fetching + * of EA $LXMOD failed. It is needed only for + * non-symlink WSL reparse points and wsl_to_fattr() + * handle the case when EA is missing. + */ + rc = 0; + } + } + /* * For WSL CHR and BLK reparse points it is required to fetch * EA $LXDEV which contains major and minor device numbers. */ if (!rc && data->reparse_point) { struct smb2_file_full_ea_info *ea; + u32 next = 0;

ea = (struct smb2_file_full_ea_info *)data->wsl.eas; + do { + ea = (void *)((u8 *)ea + next); + next = le32_to_cpu(ea->next_entry_offset); + } while (next); + if (le16_to_cpu(ea->ea_value_length)) { + ea->next_entry_offset = cpu_to_le32(ALIGN(sizeof(*ea) + + ea->ea_name_length + 1 + + le16_to_cpu(ea->ea_value_length), 4)); + ea = (void *)((u8 *)ea + le32_to_cpu(ea->next_entry_offset)); + } + rc = CIFSSMBQAllEAs(xid, tcon, full_path, SMB2_WSL_XATTR_DEV, &ea->ea_data[SMB2_WSL_XATTR_NAME_LEN + 1], SMB2_WSL_XATTR_DEV_SIZE, cifs_sb); @@ -688,8 +746,8 @@ static int cifs_query_path_info(const unsigned int xid, ea->ea_name_length = SMB2_WSL_XATTR_NAME_LEN; ea->ea_value_length = cpu_to_le16(SMB2_WSL_XATTR_DEV_SIZE); memcpy(&ea->ea_data[0], SMB2_WSL_XATTR_DEV, SMB2_WSL_XATTR_NAME_LEN + 1); - data->wsl.eas_len = sizeof(*ea) + SMB2_WSL_XATTR_NAME_LEN + 1 + - SMB2_WSL_XATTR_DEV_SIZE; + data->wsl.eas_len += ALIGN(sizeof(*ea) + SMB2_WSL_XATTR_NAME_LEN + 1 + + SMB2_WSL_XATTR_MODE_SIZE, 4); rc = 0; } else if (rc >= 0) { /* It is an error if EA $LXDEV has wrong size. */ diff --git a/fs/smb/client/smb2inode.c b/fs/smb/client/smb2inode.c index 79641d1ee867..232a3c289055 100644 --- a/fs/smb/client/smb2inode.c +++ b/fs/smb/client/smb2inode.c @@ -1216,31 +1216,33 @@ int smb2_set_file_info(struct inode *inode, const char *full_path, FILE_BASIC_INFO *buf, const unsigned int xid) { - struct cifs_open_parms oparms; + struct kvec in_iov = { .iov_base = buf, .iov_len = sizeof(*buf), }; struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); + struct cifsFileInfo *cfile = NULL; + struct cifs_open_parms oparms; struct tcon_link *tlink; struct cifs_tcon *tcon; - struct cifsFileInfo *cfile; - struct kvec in_iov = { .iov_base = buf, .iov_len = sizeof(*buf), }; - int rc; - - if ((buf->CreationTime == 0) && (buf->LastAccessTime == 0) && - (buf->LastWriteTime == 0) && (buf->ChangeTime == 0) && - (buf->Attributes == 0)) - return 0; /* would be a no op, no sense sending this */ + int rc = 0;

tlink = cifs_sb_tlink(cifs_sb); if (IS_ERR(tlink)) return PTR_ERR(tlink); tcon = tlink_tcon(tlink);

- cifs_get_writable_path(tcon, full_path, FIND_WR_ANY, &cfile); + if ((buf->CreationTime == 0) && (buf->LastAccessTime == 0) && + (buf->LastWriteTime == 0) && (buf->ChangeTime == 0)) { + if (buf->Attributes == 0) + goto out; /* would be a no op, no sense sending this */ + cifs_get_writable_path(tcon, full_path, FIND_WR_ANY, &cfile); + } + oparms = CIFS_OPARMS(cifs_sb, tcon, full_path, FILE_WRITE_ATTRIBUTES, FILE_OPEN, 0, ACL_NO_MODE); rc = smb2_compound_op(xid, tcon, cifs_sb, full_path, &oparms, &in_iov, &(int){SMB2_OP_SET_INFO}, 1, cfile, NULL, NULL, NULL); +out: cifs_put_tlink(tlink); return rc; } diff --git a/fs/smb/server/ksmbd_netlink.h b/fs/smb/server/ksmbd_netlink.h index f4e55199938d..c6c1844d4448 100644 --- a/fs/smb/server/ksmbd_netlink.h +++ b/fs/smb/server/ksmbd_netlink.h @@ -108,10 +108,11 @@ struct ksmbd_startup_request { __u32 smb2_max_credits; /* MAX credits */ __u32 smbd_max_io_size; /* smbd read write size */ __u32 max_connections; /* Number of maximum simultaneous connections */ - __u32 reserved[126]; /* Reserved room */ + __u32 max_ip_connections; /* Number of maximum connection per ip address */ + __u32 reserved[125]; /* Reserved room */ __u32 ifc_list_sz; /* interfaces list size */ __s8 ____payload[]; -}; +} __packed;

#define KSMBD_STARTUP_CONFIG_INTERFACES(s) ((s)->____payload)

diff --git a/fs/smb/server/server.h b/fs/smb/server/server.h index 4d06f2eb0d6a..d0744498ceed 100644 --- a/fs/smb/server/server.h +++ b/fs/smb/server/server.h @@ -43,6 +43,7 @@ struct ksmbd_server_config { unsigned int auth_mechs; unsigned int max_connections; unsigned int max_inflight_req; + unsigned int max_ip_connections;

char *conf[SERVER_CONF_WORK_GROUP + 1]; }; diff --git a/fs/smb/server/transport_ipc.c b/fs/smb/server/transport_ipc.c index 281101fd1f76..80581a7bc1bc 100644 --- a/fs/smb/server/transport_ipc.c +++ b/fs/smb/server/transport_ipc.c @@ -321,6 +321,9 @@ static int ipc_server_config_on_startup(struct ksmbd_startup_request *req) if (req->max_connections) server_conf.max_connections = req->max_connections;

+ if (req->max_ip_connections) + server_conf.max_ip_connections = req->max_ip_connections; + ret = ksmbd_set_netbios_name(req->netbios_name); ret |= ksmbd_set_server_string(req->server_string); ret |= ksmbd_set_work_group(req->work_group); diff --git a/fs/smb/server/transport_tcp.c b/fs/smb/server/transport_tcp.c index 53c536f2ce9f..c43a46511428 100644 --- a/fs/smb/server/transport_tcp.c +++ b/fs/smb/server/transport_tcp.c @@ -240,6 +240,7 @@ static int ksmbd_kthread_fn(void *p) struct interface *iface = (struct interface *)p; struct ksmbd_conn *conn; int ret; + unsigned int max_ip_conns;

while (!kthread_should_stop()) { mutex_lock(&iface->sock_release_lock); @@ -257,34 +258,39 @@ static int ksmbd_kthread_fn(void *p) continue; }

+ if (!server_conf.max_ip_connections) + goto skip_max_ip_conns_limit; + /* * Limits repeated connections from clients with the same IP. */ + max_ip_conns = 0; down_read(&conn_list_lock); - list_for_each_entry(conn, &conn_list, conns_list) + list_for_each_entry(conn, &conn_list, conns_list) { #if IS_ENABLED(CONFIG_IPV6) if (client_sk->sk->sk_family == AF_INET6) { if (memcmp(&client_sk->sk->sk_v6_daddr, - &conn->inet6_addr, 16) == 0) { - ret = -EAGAIN; - break; - } + &conn->inet6_addr, 16) == 0) + max_ip_conns++; } else if (inet_sk(client_sk->sk)->inet_daddr == - conn->inet_addr) { - ret = -EAGAIN; - break; - } + conn->inet_addr) + max_ip_conns++; #else if (inet_sk(client_sk->sk)->inet_daddr == - conn->inet_addr) { + conn->inet_addr) + max_ip_conns++; +#endif + if (server_conf.max_ip_connections <= max_ip_conns) { ret = -EAGAIN; break; } -#endif + } up_read(&conn_list_lock); if (ret == -EAGAIN) continue;

+skip_max_ip_conns_limit: + if (server_conf.max_connections && atomic_inc_return(&active_num_conn) >= server_conf.max_connections) { pr_info_ratelimited("Limit the maximum number of connections(%u)\n", diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c index 53104f25de51..f5dcb8353f86 100644 --- a/fs/squashfs/inode.c +++ b/fs/squashfs/inode.c @@ -140,8 +140,17 @@ int squashfs_read_inode(struct inode *inode, long long ino) if (err < 0) goto failed_read;

+ inode->i_size = le32_to_cpu(sqsh_ino->file_size); frag = le32_to_cpu(sqsh_ino->fragment); if (frag != SQUASHFS_INVALID_FRAG) { + /* + * the file cannot have a fragment (tailend) and have a + * file size a multiple of the block size + */ + if ((inode->i_size & (msblk->block_size - 1)) == 0) { + err = -EINVAL; + goto failed_read; + } frag_offset = le32_to_cpu(sqsh_ino->offset); frag_size = squashfs_frag_lookup(sb, frag, &frag_blk); if (frag_size < 0) { @@ -155,7 +164,6 @@ int squashfs_read_inode(struct inode *inode, long long ino) }

set_nlink(inode, 1); - inode->i_size = le32_to_cpu(sqsh_ino->file_size); inode->i_fop = &generic_ro_fops; inode->i_mode |= S_IFREG; inode->i_blocks = ((inode->i_size - 1) >> 9) + 1; @@ -184,8 +192,21 @@ int squashfs_read_inode(struct inode *inode, long long ino) if (err < 0) goto failed_read;

+ inode->i_size = le64_to_cpu(sqsh_ino->file_size); + if (inode->i_size < 0) { + err = -EINVAL; + goto failed_read; + } frag = le32_to_cpu(sqsh_ino->fragment); if (frag != SQUASHFS_INVALID_FRAG) { + /* + * the file cannot have a fragment (tailend) and have a + * file size a multiple of the block size + */ + if ((inode->i_size & (msblk->block_size - 1)) == 0) { + err = -EINVAL; + goto failed_read; + } frag_offset = le32_to_cpu(sqsh_ino->offset); frag_size = squashfs_frag_lookup(sb, frag, &frag_blk); if (frag_size < 0) { @@ -200,7 +221,6 @@ int squashfs_read_inode(struct inode *inode, long long ino)

xattr_id = le32_to_cpu(sqsh_ino->xattr); set_nlink(inode, le32_to_cpu(sqsh_ino->nlink)); - inode->i_size = le64_to_cpu(sqsh_ino->file_size); inode->i_op = &squashfs_inode_ops; inode->i_fop = &generic_ro_fops; inode->i_mode |= S_IFREG; diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index 7e9e7e769043..2b5891515f3d 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -213,6 +213,12 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0); */ ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);

+/* + * ACPI Global Lock is mainly used for systems with SMM, so no-SMM systems + * (such as loong_arch) may not have and not use Global Lock. + */ +ACPI_INIT_GLOBAL(u8, acpi_gbl_use_global_lock, TRUE); + /* * Maximum timeout for While() loop iterations before forced method abort. * This mechanism is intended to prevent infinite loops during interpreter diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index bac63e874c7b..52db695436bb 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -74,6 +74,7 @@ #if IS_ENABLED(CONFIG_TRACE_MMIO_ACCESS) && !(defined(__DISABLE_TRACE_MMIO__)) #include <linux/tracepoint-defs.h>

+#define rwmmio_tracepoint_enabled(tracepoint) tracepoint_enabled(tracepoint) DECLARE_TRACEPOINT(rwmmio_write); DECLARE_TRACEPOINT(rwmmio_post_write); DECLARE_TRACEPOINT(rwmmio_read); @@ -90,6 +91,7 @@ void log_post_read_mmio(u64 val, u8 width, const volatile void __iomem *addr,

#else

+#define rwmmio_tracepoint_enabled(tracepoint) false static inline void log_write_mmio(u64 val, u8 width, volatile void __iomem *addr, unsigned long caller_addr, unsigned long caller_addr0) {} static inline void log_post_write_mmio(u64 val, u8 width, volatile void __iomem *addr, @@ -188,11 +190,13 @@ static inline u8 readb(const volatile void __iomem *addr) { u8 val;

- log_read_mmio(8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(8, addr, _THIS_IP_, _RET_IP_); __io_br(); val = __raw_readb(addr); __io_ar(val); - log_post_read_mmio(val, 8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 8, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -203,11 +207,13 @@ static inline u16 readw(const volatile void __iomem *addr) { u16 val;

- log_read_mmio(16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(16, addr, _THIS_IP_, _RET_IP_); __io_br(); val = __le16_to_cpu((__le16 __force)__raw_readw(addr)); __io_ar(val); - log_post_read_mmio(val, 16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 16, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -218,11 +224,13 @@ static inline u32 readl(const volatile void __iomem *addr) { u32 val;

- log_read_mmio(32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(32, addr, _THIS_IP_, _RET_IP_); __io_br(); val = __le32_to_cpu((__le32 __force)__raw_readl(addr)); __io_ar(val); - log_post_read_mmio(val, 32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 32, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -234,11 +242,13 @@ static inline u64 readq(const volatile void __iomem *addr) { u64 val;

- log_read_mmio(64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(64, addr, _THIS_IP_, _RET_IP_); __io_br(); val = __le64_to_cpu((__le64 __force)__raw_readq(addr)); __io_ar(val); - log_post_read_mmio(val, 64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 64, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -248,11 +258,13 @@ static inline u64 readq(const volatile void __iomem *addr) #define writeb writeb static inline void writeb(u8 value, volatile void __iomem *addr) { - log_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); __io_bw(); __raw_writeb(value, addr); __io_aw(); - log_post_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); } #endif

@@ -260,11 +272,13 @@ static inline void writeb(u8 value, volatile void __iomem *addr) #define writew writew static inline void writew(u16 value, volatile void __iomem *addr) { - log_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); __io_bw(); __raw_writew((u16 __force)cpu_to_le16(value), addr); __io_aw(); - log_post_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); } #endif

@@ -272,11 +286,13 @@ static inline void writew(u16 value, volatile void __iomem *addr) #define writel writel static inline void writel(u32 value, volatile void __iomem *addr) { - log_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); __io_bw(); __raw_writel((u32 __force)__cpu_to_le32(value), addr); __io_aw(); - log_post_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); } #endif

@@ -285,11 +301,13 @@ static inline void writel(u32 value, volatile void __iomem *addr) #define writeq writeq static inline void writeq(u64 value, volatile void __iomem *addr) { - log_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); __io_bw(); __raw_writeq((u64 __force)__cpu_to_le64(value), addr); __io_aw(); - log_post_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); } #endif #endif /* CONFIG_64BIT */ @@ -305,9 +323,11 @@ static inline u8 readb_relaxed(const volatile void __iomem *addr) { u8 val;

- log_read_mmio(8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(8, addr, _THIS_IP_, _RET_IP_); val = __raw_readb(addr); - log_post_read_mmio(val, 8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 8, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -318,9 +338,11 @@ static inline u16 readw_relaxed(const volatile void __iomem *addr) { u16 val;

- log_read_mmio(16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(16, addr, _THIS_IP_, _RET_IP_); val = __le16_to_cpu((__le16 __force)__raw_readw(addr)); - log_post_read_mmio(val, 16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 16, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -331,9 +353,11 @@ static inline u32 readl_relaxed(const volatile void __iomem *addr) { u32 val;

- log_read_mmio(32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(32, addr, _THIS_IP_, _RET_IP_); val = __le32_to_cpu((__le32 __force)__raw_readl(addr)); - log_post_read_mmio(val, 32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 32, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -344,9 +368,11 @@ static inline u64 readq_relaxed(const volatile void __iomem *addr) { u64 val;

- log_read_mmio(64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(64, addr, _THIS_IP_, _RET_IP_); val = __le64_to_cpu((__le64 __force)__raw_readq(addr)); - log_post_read_mmio(val, 64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 64, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -355,9 +381,11 @@ static inline u64 readq_relaxed(const volatile void __iomem *addr) #define writeb_relaxed writeb_relaxed static inline void writeb_relaxed(u8 value, volatile void __iomem *addr) { - log_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); __raw_writeb(value, addr); - log_post_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); } #endif

@@ -365,9 +393,11 @@ static inline void writeb_relaxed(u8 value, volatile void __iomem *addr) #define writew_relaxed writew_relaxed static inline void writew_relaxed(u16 value, volatile void __iomem *addr) { - log_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); __raw_writew((u16 __force)cpu_to_le16(value), addr); - log_post_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); } #endif

@@ -375,9 +405,11 @@ static inline void writew_relaxed(u16 value, volatile void __iomem *addr) #define writel_relaxed writel_relaxed static inline void writel_relaxed(u32 value, volatile void __iomem *addr) { - log_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); __raw_writel((u32 __force)__cpu_to_le32(value), addr); - log_post_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); } #endif

@@ -385,9 +417,11 @@ static inline void writel_relaxed(u32 value, volatile void __iomem *addr) #define writeq_relaxed writeq_relaxed static inline void writeq_relaxed(u64 value, volatile void __iomem *addr) { - log_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); __raw_writeq((u64 __force)__cpu_to_le64(value), addr); - log_post_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); } #endif

diff --git a/include/linux/iio/frequency/adf4350.h b/include/linux/iio/frequency/adf4350.h index de45cf2ee1e4..ce2086f97e3f 100644 --- a/include/linux/iio/frequency/adf4350.h +++ b/include/linux/iio/frequency/adf4350.h @@ -51,7 +51,7 @@

/* REG3 Bit Definitions */ #define ADF4350_REG3_12BIT_CLKDIV(x) ((x) << 3) -#define ADF4350_REG3_12BIT_CLKDIV_MODE(x) ((x) << 16) +#define ADF4350_REG3_12BIT_CLKDIV_MODE(x) ((x) << 15) #define ADF4350_REG3_12BIT_CSR_EN (1 << 18) #define ADF4351_REG3_CHARGE_CANCELLATION_EN (1 << 21) #define ADF4351_REG3_ANTI_BACKLASH_3ns_EN (1 << 22) diff --git a/include/linux/ksm.h b/include/linux/ksm.h index b9cdeba03668..f74c52224840 100644 --- a/include/linux/ksm.h +++ b/include/linux/ksm.h @@ -59,6 +59,12 @@ static inline int ksm_fork(struct mm_struct *mm, struct mm_struct *oldmm) int ret;

if (test_bit(MMF_VM_MERGEABLE, &oldmm->flags)) { + long nr_ksm_zero_pages = atomic_long_read(&mm->ksm_zero_pages); + + mm->ksm_merging_pages = 0; + mm->ksm_rmap_items = 0; + atomic_long_add(nr_ksm_zero_pages, &ksm_zero_pages); + ret = __ksm_enter(mm); if (ret) return ret; diff --git a/include/linux/sched.h b/include/linux/sched.h index cb38eee732fd..9559501236af 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2343,6 +2343,12 @@ enum rseq_event_mask { RSEQ_EVENT_MIGRATE = (1U << RSEQ_EVENT_MIGRATE_BIT), };

+#ifdef CONFIG_MEMBARRIER +# define RSEQ_EVENT_GUARD irq +#else +# define RSEQ_EVENT_GUARD preempt +#endif + static inline void rseq_set_notify_resume(struct task_struct *t) { if (t->rseq) @@ -2361,9 +2367,8 @@ static inline void rseq_handle_notify_resume(struct ksignal *ksig, static inline void rseq_signal_deliver(struct ksignal *ksig, struct pt_regs *regs) { - preempt_disable(); - __set_bit(RSEQ_EVENT_SIGNAL_BIT, &current->rseq_event_mask); - preempt_enable(); + scoped_guard(RSEQ_EVENT_GUARD) + __set_bit(RSEQ_EVENT_SIGNAL_BIT, &current->rseq_event_mask); rseq_handle_notify_resume(ksig, regs); }

diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 0740dfc6c048..61a497ec5a2a 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -1881,19 +1881,23 @@ extern const struct v4l2_subdev_ops v4l2_subdev_call_wrappers; * * Note: only legacy non-MC drivers may need this macro. */ -#define v4l2_subdev_call_state_try(sd, o, f, args...) \ - ({ \ - int __result; \ - static struct lock_class_key __key; \ - const char *name = KBUILD_BASENAME \ - ":" __stringify(__LINE__) ":state->lock"; \ - struct v4l2_subdev_state *state = \ - __v4l2_subdev_state_alloc(sd, name, &__key); \ - v4l2_subdev_lock_state(state); \ - __result = v4l2_subdev_call(sd, o, f, state, ##args); \ - v4l2_subdev_unlock_state(state); \ - __v4l2_subdev_state_free(state); \ - __result; \ +#define v4l2_subdev_call_state_try(sd, o, f, args...) \ + ({ \ + int __result; \ + static struct lock_class_key __key; \ + const char *name = KBUILD_BASENAME \ + ":" __stringify(__LINE__) ":state->lock"; \ + struct v4l2_subdev_state *state = \ + __v4l2_subdev_state_alloc(sd, name, &__key); \ + if (IS_ERR(state)) { \ + __result = PTR_ERR(state); \ + } else { \ + v4l2_subdev_lock_state(state); \ + __result = v4l2_subdev_call(sd, o, f, state, ##args); \ + v4l2_subdev_unlock_state(state); \ + __v4l2_subdev_state_free(state); \ + } \ + __result; \ })

/** diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index c0f4b91e4f5e..32606d543060 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -955,8 +955,7 @@ struct nft_expr_ops { const struct nft_expr *expr, bool reset); int (*validate)(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data); + const struct nft_expr *expr); bool (*reduce)(struct nft_regs_track *track, const struct nft_expr *expr); bool (*gc)(struct net *net, diff --git a/include/net/netfilter/nft_fib.h b/include/net/netfilter/nft_fib.h index 167640b843ef..38cae7113de4 100644 --- a/include/net/netfilter/nft_fib.h +++ b/include/net/netfilter/nft_fib.h @@ -21,9 +21,7 @@ nft_fib_is_loopback(const struct sk_buff *skb, const struct net_device *in) int nft_fib_dump(struct sk_buff *skb, const struct nft_expr *expr, bool reset); int nft_fib_init(const struct nft_ctx *ctx, const struct nft_expr *expr, const struct nlattr * const tb[]); -int nft_fib_validate(const struct nft_ctx *ctx, const struct nft_expr *expr, - const struct nft_data **data); - +int nft_fib_validate(const struct nft_ctx *ctx, const struct nft_expr *expr);

void nft_fib4_eval_type(const struct nft_expr *expr, struct nft_regs *regs, const struct nft_pktinfo *pkt); diff --git a/include/net/netfilter/nft_meta.h b/include/net/netfilter/nft_meta.h index ba1238f12a48..d602263590fe 100644 --- a/include/net/netfilter/nft_meta.h +++ b/include/net/netfilter/nft_meta.h @@ -41,8 +41,7 @@ void nft_meta_set_destroy(const struct nft_ctx *ctx, const struct nft_expr *expr);

int nft_meta_set_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data); + const struct nft_expr *expr);

bool nft_meta_get_reduce(struct nft_regs_track *track, const struct nft_expr *expr); diff --git a/include/net/netfilter/nft_reject.h b/include/net/netfilter/nft_reject.h index 6d9ba62efd75..19060212988a 100644 --- a/include/net/netfilter/nft_reject.h +++ b/include/net/netfilter/nft_reject.h @@ -15,8 +15,7 @@ struct nft_reject { extern const struct nla_policy nft_reject_policy[];

int nft_reject_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data); + const struct nft_expr *expr);

int nft_reject_init(const struct nft_ctx *ctx, const struct nft_expr *expr, diff --git a/init/main.c b/init/main.c index c787e94cc898..20d2dd4d9b40 100644 --- a/init/main.c +++ b/init/main.c @@ -530,6 +530,12 @@ static int __init unknown_bootoption(char *param, char *val, const char *unused, void *arg) { size_t len = strlen(param); + /* + * Well-known bootloader identifiers: + * 1. LILO/Grub pass "BOOT_IMAGE=..."; + * 2. kexec/kdump (kexec-tools) pass "kexec". + */ + const char *bootloader[] = { "BOOT_IMAGE=", "kexec", NULL };

/* Handle params aliased to sysctls */ if (sysctl_is_alias(param)) @@ -537,6 +543,12 @@ static int __init unknown_bootoption(char *param, char *val,

repair_env_string(param, val);

+ /* Handle bootloader identifier */ + for (int i = 0; bootloader[i]; i++) { + if (strstarts(param, bootloader[i])) + return 0; + } + /* Handle obsolete-style parameters */ if (obsolete_checksetup(param)) return 0; diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c index 99d0625b6c82..9a9630adcba4 100644 --- a/kernel/bpf/inode.c +++ b/kernel/bpf/inode.c @@ -607,7 +607,7 @@ static int bpf_show_options(struct seq_file *m, struct dentry *root) return 0; }

-static void bpf_free_inode(struct inode *inode) +static void bpf_destroy_inode(struct inode *inode) { enum bpf_type type;

@@ -622,7 +622,7 @@ static const struct super_operations bpf_super_ops = { .statfs = simple_statfs, .drop_inode = generic_delete_inode, .show_options = bpf_show_options, - .free_inode = bpf_free_inode, + .destroy_inode = bpf_destroy_inode, };

enum { diff --git a/kernel/fork.c b/kernel/fork.c index 0e20d7e94608..2141ebb2ef92 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1799,7 +1799,7 @@ static int copy_files(unsigned long clone_flags, struct task_struct *tsk, return 0; }

-static int copy_sighand(unsigned long clone_flags, struct task_struct *tsk) +static int copy_sighand(u64 clone_flags, struct task_struct *tsk) { struct sighand_struct *sig;

diff --git a/kernel/pid.c b/kernel/pid.c index 6500ef956f2f..e57adc00cb77 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -477,7 +477,7 @@ pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns) struct upid *upid; pid_t nr = 0;

- if (pid && ns->level <= pid->level) { + if (pid && ns && ns->level <= pid->level) { upid = &pid->numbers[ns->level]; if (upid->ns == ns) nr = upid->nr; diff --git a/kernel/rseq.c b/kernel/rseq.c index 23894ba8250c..810005f927d7 100644 --- a/kernel/rseq.c +++ b/kernel/rseq.c @@ -255,12 +255,12 @@ static int rseq_need_restart(struct task_struct *t, u32 cs_flags)

/* * Load and clear event mask atomically with respect to - * scheduler preemption. + * scheduler preemption and membarrier IPIs. */ - preempt_disable(); - event_mask = t->rseq_event_mask; - t->rseq_event_mask = 0; - preempt_enable(); + scoped_guard(RSEQ_EVENT_GUARD) { + event_mask = t->rseq_event_mask; + t->rseq_event_mask = 0; + }

return !!event_mask; } diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index a15cf7969953..5bb9735e19d2 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -2214,6 +2214,25 @@ static int find_later_rq(struct task_struct *task) return -1; }

+static struct task_struct *pick_next_pushable_dl_task(struct rq *rq) +{ + struct task_struct *p; + + if (!has_pushable_dl_tasks(rq)) + return NULL; + + p = __node_2_pdl(rb_first_cached(&rq->dl.pushable_dl_tasks_root)); + + WARN_ON_ONCE(rq->cpu != task_cpu(p)); + WARN_ON_ONCE(task_current(rq, p)); + WARN_ON_ONCE(p->nr_cpus_allowed <= 1); + + WARN_ON_ONCE(!task_on_rq_queued(p)); + WARN_ON_ONCE(!dl_task(p)); + + return p; +} + /* Locks the rq it finds */ static struct rq *find_lock_later_rq(struct task_struct *task, struct rq *rq) { @@ -2241,12 +2260,37 @@ static struct rq *find_lock_later_rq(struct task_struct *task, struct rq *rq)

/* Retry if something changed. */ if (double_lock_balance(rq, later_rq)) { - if (unlikely(task_rq(task) != rq || + /* + * double_lock_balance had to release rq->lock, in the + * meantime, task may no longer be fit to be migrated. + * Check the following to ensure that the task is + * still suitable for migration: + * 1. It is possible the task was scheduled, + * migrate_disabled was set and then got preempted, + * so we must check the task migration disable + * flag. + * 2. The CPU picked is in the task's affinity. + * 3. For throttled task (dl_task_offline_migration), + * check the following: + * - the task is not on the rq anymore (it was + * migrated) + * - the task is not on CPU anymore + * - the task is still a dl task + * - the task is not queued on the rq anymore + * 4. For the non-throttled task (push_dl_task), the + * check to ensure that this task is still at the + * head of the pushable tasks list is enough. + */ + if (unlikely(is_migration_disabled(task) || !cpumask_test_cpu(later_rq->cpu, &task->cpus_mask) || - task_on_cpu(rq, task) || - !dl_task(task) || - is_migration_disabled(task) || - !task_on_rq_queued(task))) { + (task->dl.dl_throttled && + (task_rq(task) != rq || + task_on_cpu(rq, task) || + !dl_task(task) || + !task_on_rq_queued(task))) || + (!task->dl.dl_throttled && + task != pick_next_pushable_dl_task(rq)))) { + double_unlock_balance(rq, later_rq); later_rq = NULL; break; @@ -2269,25 +2313,6 @@ static struct rq *find_lock_later_rq(struct task_struct *task, struct rq *rq) return later_rq; }

-static struct task_struct *pick_next_pushable_dl_task(struct rq *rq) -{ - struct task_struct *p; - - if (!has_pushable_dl_tasks(rq)) - return NULL; - - p = __node_2_pdl(rb_first_cached(&rq->dl.pushable_dl_tasks_root)); - - WARN_ON_ONCE(rq->cpu != task_cpu(p)); - WARN_ON_ONCE(task_current(rq, p)); - WARN_ON_ONCE(p->nr_cpus_allowed <= 1); - - WARN_ON_ONCE(!task_on_rq_queued(p)); - WARN_ON_ONCE(!dl_task(p)); - - return p; -} - /* * See if the non running -deadline tasks on this rq * can be sent to some other CPU where they can preempt diff --git a/kernel/sys.c b/kernel/sys.c index 355de0b65c23..47cb10a16b00 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1689,6 +1689,7 @@ SYSCALL_DEFINE4(prlimit64, pid_t, pid, unsigned int, resource, struct rlimit old, new; struct task_struct *tsk; unsigned int checkflags = 0; + bool need_tasklist; int ret;

if (old_rlim) @@ -1715,8 +1716,25 @@ SYSCALL_DEFINE4(prlimit64, pid_t, pid, unsigned int, resource, get_task_struct(tsk); rcu_read_unlock();

- ret = do_prlimit(tsk, resource, new_rlim ? &new : NULL, - old_rlim ? &old : NULL); + need_tasklist = !same_thread_group(tsk, current); + if (need_tasklist) { + /* + * Ensure we can't race with group exit or de_thread(), + * so tsk->group_leader can't be freed or changed until + * read_unlock(tasklist_lock) below. + */ + read_lock(&tasklist_lock); + if (!pid_alive(tsk)) + ret = -ESRCH; + } + + if (!ret) { + ret = do_prlimit(tsk, resource, new_rlim ? &new : NULL, + old_rlim ? &old : NULL); + } + + if (need_tasklist) + read_unlock(&tasklist_lock);

if (!ret && old_rlim) { rlim_to_rlim64(&old, &old64); diff --git a/kernel/trace/trace_fprobe.c b/kernel/trace/trace_fprobe.c index 93620a783587..a233262f858c 100644 --- a/kernel/trace/trace_fprobe.c +++ b/kernel/trace/trace_fprobe.c @@ -342,12 +342,14 @@ static int fentry_dispatcher(struct fprobe *fp, unsigned long entry_ip, void *entry_data) { struct trace_fprobe *tf = container_of(fp, struct trace_fprobe, fp); + unsigned int flags = trace_probe_load_flag(&tf->tp); int ret = 0;

- if (trace_probe_test_flag(&tf->tp, TP_FLAG_TRACE)) + if (flags & TP_FLAG_TRACE) fentry_trace_func(tf, entry_ip, regs); + #ifdef CONFIG_PERF_EVENTS - if (trace_probe_test_flag(&tf->tp, TP_FLAG_PROFILE)) + if (flags & TP_FLAG_PROFILE) ret = fentry_perf_func(tf, entry_ip, regs); #endif return ret; @@ -359,11 +361,12 @@ static void fexit_dispatcher(struct fprobe *fp, unsigned long entry_ip, void *entry_data) { struct trace_fprobe *tf = container_of(fp, struct trace_fprobe, fp); + unsigned int flags = trace_probe_load_flag(&tf->tp);

- if (trace_probe_test_flag(&tf->tp, TP_FLAG_TRACE)) + if (flags & TP_FLAG_TRACE) fexit_trace_func(tf, entry_ip, ret_ip, regs, entry_data); #ifdef CONFIG_PERF_EVENTS - if (trace_probe_test_flag(&tf->tp, TP_FLAG_PROFILE)) + if (flags & TP_FLAG_PROFILE) fexit_perf_func(tf, entry_ip, ret_ip, regs, entry_data); #endif } diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 46491f3c1569..20dbe40ab15e 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -1713,14 +1713,15 @@ static int kprobe_register(struct trace_event_call *event, static int kprobe_dispatcher(struct kprobe *kp, struct pt_regs *regs) { struct trace_kprobe *tk = container_of(kp, struct trace_kprobe, rp.kp); + unsigned int flags = trace_probe_load_flag(&tk->tp); int ret = 0;

raw_cpu_inc(*tk->nhit);

- if (trace_probe_test_flag(&tk->tp, TP_FLAG_TRACE)) + if (flags & TP_FLAG_TRACE) kprobe_trace_func(tk, regs); #ifdef CONFIG_PERF_EVENTS - if (trace_probe_test_flag(&tk->tp, TP_FLAG_PROFILE)) + if (flags & TP_FLAG_PROFILE) ret = kprobe_perf_func(tk, regs); #endif return ret; @@ -1732,6 +1733,7 @@ kretprobe_dispatcher(struct kretprobe_instance *ri, struct pt_regs *regs) { struct kretprobe *rp = get_kretprobe(ri); struct trace_kprobe *tk; + unsigned int flags;

/* * There is a small chance that get_kretprobe(ri) returns NULL when @@ -1744,10 +1746,11 @@ kretprobe_dispatcher(struct kretprobe_instance *ri, struct pt_regs *regs) tk = container_of(rp, struct trace_kprobe, rp); raw_cpu_inc(*tk->nhit);

- if (trace_probe_test_flag(&tk->tp, TP_FLAG_TRACE)) + flags = trace_probe_load_flag(&tk->tp); + if (flags & TP_FLAG_TRACE) kretprobe_trace_func(tk, ri, regs); #ifdef CONFIG_PERF_EVENTS - if (trace_probe_test_flag(&tk->tp, TP_FLAG_PROFILE)) + if (flags & TP_FLAG_PROFILE) kretprobe_perf_func(tk, ri, regs); #endif return 0; /* We don't tweak kernel, so just return 0 */ diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h index 48afed3c3f88..c71fa9c2f381 100644 --- a/kernel/trace/trace_probe.h +++ b/kernel/trace/trace_probe.h @@ -268,16 +268,21 @@ struct event_file_link { struct list_head list; };

+static inline unsigned int trace_probe_load_flag(struct trace_probe *tp) +{ + return smp_load_acquire(&tp->event->flags); +} + static inline bool trace_probe_test_flag(struct trace_probe *tp, unsigned int flag) { - return !!(tp->event->flags & flag); + return !!(trace_probe_load_flag(tp) & flag); }

static inline void trace_probe_set_flag(struct trace_probe *tp, unsigned int flag) { - tp->event->flags |= flag; + smp_store_release(&tp->event->flags, tp->event->flags | flag); }

static inline void trace_probe_clear_flag(struct trace_probe *tp, diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index ecf04e81ddf7..03d79a9ebd8c 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -1514,6 +1514,7 @@ static int uprobe_dispatcher(struct uprobe_consumer *con, struct pt_regs *regs) struct trace_uprobe *tu; struct uprobe_dispatch_data udd; struct uprobe_cpu_buffer *ucb = NULL; + unsigned int flags; int ret = 0;

tu = container_of(con, struct trace_uprobe, consumer); @@ -1527,11 +1528,12 @@ static int uprobe_dispatcher(struct uprobe_consumer *con, struct pt_regs *regs) if (WARN_ON_ONCE(!uprobe_cpu_buffer)) return 0;

- if (trace_probe_test_flag(&tu->tp, TP_FLAG_TRACE)) + flags = trace_probe_load_flag(&tu->tp); + if (flags & TP_FLAG_TRACE) ret |= uprobe_trace_func(tu, regs, &ucb);

#ifdef CONFIG_PERF_EVENTS - if (trace_probe_test_flag(&tu->tp, TP_FLAG_PROFILE)) + if (flags & TP_FLAG_PROFILE) ret |= uprobe_perf_func(tu, regs, &ucb); #endif uprobe_buffer_put(ucb); @@ -1544,6 +1546,7 @@ static int uretprobe_dispatcher(struct uprobe_consumer *con, struct trace_uprobe *tu; struct uprobe_dispatch_data udd; struct uprobe_cpu_buffer *ucb = NULL; + unsigned int flags;

tu = container_of(con, struct trace_uprobe, consumer);

@@ -1555,11 +1558,12 @@ static int uretprobe_dispatcher(struct uprobe_consumer *con, if (WARN_ON_ONCE(!uprobe_cpu_buffer)) return 0;

- if (trace_probe_test_flag(&tu->tp, TP_FLAG_TRACE)) + flags = trace_probe_load_flag(&tu->tp); + if (flags & TP_FLAG_TRACE) uretprobe_trace_func(tu, func, regs, &ucb);

#ifdef CONFIG_PERF_EVENTS - if (trace_probe_test_flag(&tu->tp, TP_FLAG_PROFILE)) + if (flags & TP_FLAG_PROFILE) uretprobe_perf_func(tu, func, regs, &ucb); #endif uprobe_buffer_put(ucb); diff --git a/lib/crypto/Makefile b/lib/crypto/Makefile index 8d1446c2be71..88246000c9d8 100644 --- a/lib/crypto/Makefile +++ b/lib/crypto/Makefile @@ -30,6 +30,10 @@ obj-$(CONFIG_CRYPTO_LIB_CURVE25519_GENERIC) += libcurve25519-generic.o libcurve25519-generic-y := curve25519-fiat32.o libcurve25519-generic-$(CONFIG_ARCH_SUPPORTS_INT128) := curve25519-hacl64.o libcurve25519-generic-y += curve25519-generic.o +# clang versions prior to 18 may blow out the stack with KASAN +ifeq ($(call clang-min-version, 180000),) +KASAN_SANITIZE_curve25519-hacl64.o := n +endif

obj-$(CONFIG_CRYPTO_LIB_CURVE25519) += libcurve25519.o libcurve25519-y += curve25519.o diff --git a/lib/genalloc.c b/lib/genalloc.c index 4fa5635bf81b..841f29783833 100644 --- a/lib/genalloc.c +++ b/lib/genalloc.c @@ -899,8 +899,11 @@ struct gen_pool *of_gen_pool_get(struct device_node *np, if (!name) name = of_node_full_name(np_pool); } - if (pdev) + if (pdev) { pool = gen_pool_get(&pdev->dev, name); + put_device(&pdev->dev); + } + of_node_put(np_pool);

return pool; diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c index 5764b9885e7d..4d7dc9f65f68 100644 --- a/mm/damon/vaddr.c +++ b/mm/damon/vaddr.c @@ -324,10 +324,8 @@ static int damon_mkold_pmd_entry(pmd_t *pmd, unsigned long addr, }

pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl); - if (!pte) { - walk->action = ACTION_AGAIN; + if (!pte) return 0; - } if (!pte_present(ptep_get(pte))) goto out; damon_ptep_mkold(pte, walk->vma, addr); @@ -479,10 +477,8 @@ static int damon_young_pmd_entry(pmd_t *pmd, unsigned long addr, #endif /* CONFIG_TRANSPARENT_HUGEPAGE */

pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl); - if (!pte) { - walk->action = ACTION_AGAIN; + if (!pte) return 0; - } ptent = ptep_get(pte); if (!pte_present(ptent)) goto out; diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 0c6745a6a13a..532a840a4266 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3298,6 +3298,9 @@ static void __init hugetlb_hstate_alloc_pages(struct hstate *h) return; }

+ if (!h->max_huge_pages) + return; + /* do node specific alloc */ for_each_online_node(i) { if (h->max_huge_pages_node[i] > 0) { diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 44011ebecddf..93cb65c6553e 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3738,7 +3738,7 @@ gfp_to_alloc_flags(gfp_t gfp_mask, unsigned int order) if (!(gfp_mask & __GFP_NOMEMALLOC)) { alloc_flags |= ALLOC_NON_BLOCK;

- if (order > 0) + if (order > 0 && (alloc_flags & ALLOC_MIN_RESERVE)) alloc_flags |= ALLOC_HIGHATOMIC; }

diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index a1c22eab71ff..cc54b8267bcc 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -1455,7 +1455,7 @@ void br_vlan_fill_forward_path_pvid(struct net_bridge *br, if (!br_opt_get(br, BROPT_VLAN_ENABLED)) return;

- vg = br_vlan_group(br); + vg = br_vlan_group_rcu(br);

if (idx >= 0 && ctx->vlan[idx].proto == br->vlan_proto) { diff --git a/net/bridge/netfilter/nft_meta_bridge.c b/net/bridge/netfilter/nft_meta_bridge.c index bd4d1b4d745f..affb740c8685 100644 --- a/net/bridge/netfilter/nft_meta_bridge.c +++ b/net/bridge/netfilter/nft_meta_bridge.c @@ -168,8 +168,7 @@ static bool nft_meta_bridge_set_reduce(struct nft_regs_track *track, }

static int nft_meta_bridge_set_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { struct nft_meta *priv = nft_expr_priv(expr); unsigned int hooks; @@ -179,7 +178,7 @@ static int nft_meta_bridge_set_validate(const struct nft_ctx *ctx, hooks = 1 << NF_BR_PRE_ROUTING; break; default: - return nft_meta_set_validate(ctx, expr, data); + return nft_meta_set_validate(ctx, expr); }

return nft_chain_validate_hooks(ctx->chain, hooks); diff --git a/net/bridge/netfilter/nft_reject_bridge.c b/net/bridge/netfilter/nft_reject_bridge.c index 71b54fed7263..1cb5c16e97b7 100644 --- a/net/bridge/netfilter/nft_reject_bridge.c +++ b/net/bridge/netfilter/nft_reject_bridge.c @@ -170,8 +170,7 @@ static void nft_reject_bridge_eval(const struct nft_expr *expr, }

static int nft_reject_bridge_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { return nft_chain_validate_hooks(ctx->chain, (1 << NF_BR_PRE_ROUTING) | (1 << NF_BR_LOCAL_IN)); diff --git a/net/core/filter.c b/net/core/filter.c index b6dbcef64965..c2e888ea54ab 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -2273,6 +2273,7 @@ static int __bpf_redirect_neigh_v6(struct sk_buff *skb, struct net_device *dev, if (IS_ERR(dst)) goto out_drop;

+ skb_dst_drop(skb); skb_dst_set(skb, dst); } else if (nh->nh_family != AF_INET6) { goto out_drop; @@ -2382,6 +2383,7 @@ static int __bpf_redirect_neigh_v4(struct sk_buff *skb, struct net_device *dev, goto out_drop; }

+ skb_dst_drop(skb); skb_dst_set(skb, &rt->dst); }

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 7d824578f217..5dde0aed3144 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1724,6 +1724,7 @@ EXPORT_SYMBOL(tcp_peek_len); /* Make sure sk_rcvbuf is big enough to satisfy SO_RCVLOWAT hint */ int tcp_set_rcvlowat(struct sock *sk, int val) { + struct tcp_sock *tp = tcp_sk(sk); int space, cap;

if (sk->sk_userlocks & SOCK_RCVBUF_LOCK) @@ -1742,7 +1743,9 @@ int tcp_set_rcvlowat(struct sock *sk, int val) space = tcp_space_from_win(sk, val); if (space > sk->sk_rcvbuf) { WRITE_ONCE(sk->sk_rcvbuf, space); - WRITE_ONCE(tcp_sk(sk)->window_clamp, val); + + if (tp->window_clamp && tp->window_clamp < val) + WRITE_ONCE(tp->window_clamp, val); } return 0; } diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index c6d00817ad3f..8834cd41b384 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -7200,7 +7200,6 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops, &foc, TCP_SYNACK_FASTOPEN, skb); /* Add the child socket directly into the accept queue */ if (!inet_csk_reqsk_queue_add(sk, req, fastopen_sk)) { - reqsk_fastopen_remove(fastopen_sk, req, false); bh_unlock_sock(fastopen_sk); sock_put(fastopen_sk); goto drop_and_free; diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index 29c167e5fc02..ab7bdb653181 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -227,9 +227,12 @@ void mptcp_pm_add_addr_received(const struct sock *ssk, } else { __MPTCP_INC_STATS(sock_net((struct sock *)msk), MPTCP_MIB_ADDADDRDROP); } - /* id0 should not have a different address */ + /* - id0 should not have a different address + * - special case for C-flag: linked to fill_local_addresses_vec() + */ } else if ((addr->id == 0 && !mptcp_pm_nl_is_init_remote_addr(msk, addr)) || - (addr->id > 0 && !READ_ONCE(pm->accept_addr))) { + (addr->id > 0 && !READ_ONCE(pm->accept_addr) && + !mptcp_pm_add_addr_c_flag_case(msk))) { mptcp_pm_announce_addr(msk, addr, true); mptcp_pm_add_addr_send_ack(msk); } else if (mptcp_pm_schedule_work(msk, MPTCP_PM_ADD_ADDR_RECEIVED)) { diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index de24989b05a6..9d2c38421f7a 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -675,10 +675,12 @@ static unsigned int fill_local_addresses_vec(struct mptcp_sock *msk, struct mptcp_addr_info mpc_addr; struct pm_nl_pernet *pernet; unsigned int subflows_max; + bool c_flag_case; int i = 0;

pernet = pm_nl_get_pernet_from_msk(msk); subflows_max = mptcp_pm_get_subflows_max(msk); + c_flag_case = remote->id && mptcp_pm_add_addr_c_flag_case(msk);

mptcp_local_address((struct sock_common *)msk, &mpc_addr);

@@ -691,11 +693,26 @@ static unsigned int fill_local_addresses_vec(struct mptcp_sock *msk, continue;

if (msk->pm.subflows < subflows_max) { + bool is_id0; + msk->pm.subflows++; addrs[i] = entry->addr;

+ is_id0 = mptcp_addresses_equal(&entry->addr, + &mpc_addr, + entry->addr.port); + + if (c_flag_case && + (entry->flags & MPTCP_PM_ADDR_FLAG_SUBFLOW)) { + __clear_bit(addrs[i].id, + msk->pm.id_avail_bitmap); + + if (!is_id0) + msk->pm.local_addr_used++; + } + /* Special case for ID0: set the correct ID */ - if (mptcp_addresses_equal(&entry->addr, &mpc_addr, entry->addr.port)) + if (is_id0) addrs[i].id = 0;

i++; @@ -703,6 +720,39 @@ static unsigned int fill_local_addresses_vec(struct mptcp_sock *msk, } rcu_read_unlock();

+ /* Special case: peer sets the C flag, accept one ADD_ADDR if default + * limits are used -- accepting no ADD_ADDR -- and use subflow endpoints + */ + if (!i && c_flag_case) { + unsigned int local_addr_max = mptcp_pm_get_local_addr_max(msk); + + while (msk->pm.local_addr_used < local_addr_max && + msk->pm.subflows < subflows_max) { + struct mptcp_pm_addr_entry local; + + if (!select_local_address(pernet, msk, &local)) + break; + + __clear_bit(local.addr.id, msk->pm.id_avail_bitmap); + + if (!mptcp_pm_addr_families_match(sk, &local.addr, + remote)) + continue; + + if (mptcp_addresses_equal(&local.addr, &mpc_addr, + local.addr.port)) + continue; + + addrs[i] = local.addr; + + msk->pm.local_addr_used++; + msk->pm.subflows++; + i++; + } + + return i; + } + /* If the array is empty, fill in the single * 'IPADDRANY' local address */ diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index c5f41cdb36c4..1f213706dfaa 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -1080,6 +1080,14 @@ static inline void mptcp_pm_close_subflow(struct mptcp_sock *msk) spin_unlock_bh(&msk->pm.lock); }

+static inline bool mptcp_pm_add_addr_c_flag_case(struct mptcp_sock *msk) +{ + return READ_ONCE(msk->pm.remote_deny_join_id0) && + msk->pm.local_addr_used == 0 && + mptcp_pm_get_add_addr_accept_max(msk) == 0 && + msk->pm.subflows < mptcp_pm_get_subflows_max(msk); +} + void mptcp_sockopt_sync(struct mptcp_sock *msk, struct sock *ssk); void mptcp_sockopt_sync_locked(struct mptcp_sock *msk, struct sock *ssk);

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 4ffb5ef79ca1..5ca1d775e976 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -3793,7 +3793,6 @@ static void nf_tables_rule_release(const struct nft_ctx *ctx, struct nft_rule *r int nft_chain_validate(const struct nft_ctx *ctx, const struct nft_chain *chain) { struct nft_expr *expr, *last; - const struct nft_data *data; struct nft_rule *rule; int err;

@@ -3814,7 +3813,7 @@ int nft_chain_validate(const struct nft_ctx *ctx, const struct nft_chain *chain) /* This may call nft_chain_validate() recursively, * callers that do so must increment ctx->level. */ - err = expr->ops->validate(ctx, expr, &data); + err = expr->ops->validate(ctx, expr); if (err < 0) return err; } diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c index d3d11dede545..52cdfee17f73 100644 --- a/net/netfilter/nft_compat.c +++ b/net/netfilter/nft_compat.c @@ -350,8 +350,7 @@ static int nft_target_dump(struct sk_buff *skb, }

static int nft_target_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { struct xt_target *target = expr->ops->data; unsigned int hook_mask = 0; @@ -611,8 +610,7 @@ static int nft_match_large_dump(struct sk_buff *skb, }

static int nft_match_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { struct xt_match *match = expr->ops->data; unsigned int hook_mask = 0; diff --git a/net/netfilter/nft_fib.c b/net/netfilter/nft_fib.c index bf825f6cb974..507b7eba9bcd 100644 --- a/net/netfilter/nft_fib.c +++ b/net/netfilter/nft_fib.c @@ -26,8 +26,7 @@ const struct nla_policy nft_fib_policy[NFTA_FIB_MAX + 1] = { }; EXPORT_SYMBOL(nft_fib_policy);

-int nft_fib_validate(const struct nft_ctx *ctx, const struct nft_expr *expr, - const struct nft_data **data) +int nft_fib_validate(const struct nft_ctx *ctx, const struct nft_expr *expr) { const struct nft_fib *priv = nft_expr_priv(expr); unsigned int hooks; diff --git a/net/netfilter/nft_flow_offload.c b/net/netfilter/nft_flow_offload.c index 5a3d68542042..1894032a7971 100644 --- a/net/netfilter/nft_flow_offload.c +++ b/net/netfilter/nft_flow_offload.c @@ -385,8 +385,7 @@ static void nft_flow_offload_eval(const struct nft_expr *expr, }

static int nft_flow_offload_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { unsigned int hook_mask = (1 << NF_INET_FORWARD);

diff --git a/net/netfilter/nft_fwd_netdev.c b/net/netfilter/nft_fwd_netdev.c index a5268e6dd32f..fa9e4ae00b16 100644 --- a/net/netfilter/nft_fwd_netdev.c +++ b/net/netfilter/nft_fwd_netdev.c @@ -204,8 +204,7 @@ static int nft_fwd_neigh_dump(struct sk_buff *skb, }

static int nft_fwd_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { return nft_chain_validate_hooks(ctx->chain, (1 << NF_NETDEV_INGRESS) | (1 << NF_NETDEV_EGRESS)); diff --git a/net/netfilter/nft_immediate.c b/net/netfilter/nft_immediate.c index ac2422c215e5..02ee5fb69871 100644 --- a/net/netfilter/nft_immediate.c +++ b/net/netfilter/nft_immediate.c @@ -244,8 +244,7 @@ static int nft_immediate_dump(struct sk_buff *skb, }

static int nft_immediate_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **d) + const struct nft_expr *expr) { const struct nft_immediate_expr *priv = nft_expr_priv(expr); struct nft_ctx *pctx = (struct nft_ctx *)ctx; diff --git a/net/netfilter/nft_lookup.c b/net/netfilter/nft_lookup.c index 1b9edf2b3393..dd5441f92fdb 100644 --- a/net/netfilter/nft_lookup.c +++ b/net/netfilter/nft_lookup.c @@ -206,8 +206,7 @@ static int nft_lookup_dump(struct sk_buff *skb, }

static int nft_lookup_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **d) + const struct nft_expr *expr) { const struct nft_lookup *priv = nft_expr_priv(expr); struct nft_set_iter iter; diff --git a/net/netfilter/nft_masq.c b/net/netfilter/nft_masq.c index 8a14aaca93bb..eee05394c533 100644 --- a/net/netfilter/nft_masq.c +++ b/net/netfilter/nft_masq.c @@ -27,8 +27,7 @@ static const struct nla_policy nft_masq_policy[NFTA_MASQ_MAX + 1] = { };

static int nft_masq_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { int err;

diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c index 9139ce38ea7b..dec76d28a0ac 100644 --- a/net/netfilter/nft_meta.c +++ b/net/netfilter/nft_meta.c @@ -581,8 +581,7 @@ static int nft_meta_get_validate_xfrm(const struct nft_ctx *ctx) }

static int nft_meta_get_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { const struct nft_meta *priv = nft_expr_priv(expr);

@@ -600,8 +599,7 @@ static int nft_meta_get_validate(const struct nft_ctx *ctx, }

int nft_meta_set_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { struct nft_meta *priv = nft_expr_priv(expr); unsigned int hooks; diff --git a/net/netfilter/nft_nat.c b/net/netfilter/nft_nat.c index 808f5802c270..3d3e639a7a83 100644 --- a/net/netfilter/nft_nat.c +++ b/net/netfilter/nft_nat.c @@ -137,8 +137,7 @@ static const struct nla_policy nft_nat_policy[NFTA_NAT_MAX + 1] = { };

static int nft_nat_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { struct nft_nat *priv = nft_expr_priv(expr); int err; diff --git a/net/netfilter/nft_objref.c b/net/netfilter/nft_objref.c index 509011b1ef59..08a27433e2f5 100644 --- a/net/netfilter/nft_objref.c +++ b/net/netfilter/nft_objref.c @@ -22,6 +22,35 @@ void nft_objref_eval(const struct nft_expr *expr, obj->ops->eval(obj, regs, pkt); }

+static int nft_objref_validate_obj_type(const struct nft_ctx *ctx, u32 type) +{ + unsigned int hooks; + + switch (type) { + case NFT_OBJECT_SYNPROXY: + if (ctx->family != NFPROTO_IPV4 && + ctx->family != NFPROTO_IPV6 && + ctx->family != NFPROTO_INET) + return -EOPNOTSUPP; + + hooks = (1 << NF_INET_LOCAL_IN) | (1 << NF_INET_FORWARD); + + return nft_chain_validate_hooks(ctx->chain, hooks); + default: + break; + } + + return 0; +} + +static int nft_objref_validate(const struct nft_ctx *ctx, + const struct nft_expr *expr) +{ + struct nft_object *obj = nft_objref_priv(expr); + + return nft_objref_validate_obj_type(ctx, obj->ops->type->type); +} + static int nft_objref_init(const struct nft_ctx *ctx, const struct nft_expr *expr, const struct nlattr * const tb[]) @@ -93,6 +122,7 @@ static const struct nft_expr_ops nft_objref_ops = { .activate = nft_objref_activate, .deactivate = nft_objref_deactivate, .dump = nft_objref_dump, + .validate = nft_objref_validate, .reduce = NFT_REDUCE_READONLY, };

@@ -198,6 +228,14 @@ static void nft_objref_map_destroy(const struct nft_ctx *ctx, nf_tables_destroy_set(ctx, priv->set); }

+static int nft_objref_map_validate(const struct nft_ctx *ctx, + const struct nft_expr *expr) +{ + const struct nft_objref_map *priv = nft_expr_priv(expr); + + return nft_objref_validate_obj_type(ctx, priv->set->objtype); +} + static const struct nft_expr_ops nft_objref_map_ops = { .type = &nft_objref_type, .size = NFT_EXPR_SIZE(sizeof(struct nft_objref_map)), @@ -207,6 +245,7 @@ static const struct nft_expr_ops nft_objref_map_ops = { .deactivate = nft_objref_map_deactivate, .destroy = nft_objref_map_destroy, .dump = nft_objref_map_dump, + .validate = nft_objref_map_validate, .reduce = NFT_REDUCE_READONLY, };

diff --git a/net/netfilter/nft_osf.c b/net/netfilter/nft_osf.c index 7f61506e5b44..123b4f47ccef 100644 --- a/net/netfilter/nft_osf.c +++ b/net/netfilter/nft_osf.c @@ -113,8 +113,7 @@ static int nft_osf_dump(struct sk_buff *skb, }

static int nft_osf_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { unsigned int hooks;

diff --git a/net/netfilter/nft_queue.c b/net/netfilter/nft_queue.c index b2b8127c8d43..b8ebb187814f 100644 --- a/net/netfilter/nft_queue.c +++ b/net/netfilter/nft_queue.c @@ -69,8 +69,7 @@ static void nft_queue_sreg_eval(const struct nft_expr *expr, }

static int nft_queue_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { static const unsigned int supported_hooks = ((1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_LOCAL_IN) | diff --git a/net/netfilter/nft_redir.c b/net/netfilter/nft_redir.c index a58bd8d291ff..9051863509f3 100644 --- a/net/netfilter/nft_redir.c +++ b/net/netfilter/nft_redir.c @@ -27,8 +27,7 @@ static const struct nla_policy nft_redir_policy[NFTA_REDIR_MAX + 1] = { };

static int nft_redir_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { int err;

diff --git a/net/netfilter/nft_reject.c b/net/netfilter/nft_reject.c index ed2e668474d6..196a92c7ea09 100644 --- a/net/netfilter/nft_reject.c +++ b/net/netfilter/nft_reject.c @@ -24,8 +24,7 @@ const struct nla_policy nft_reject_policy[NFTA_REJECT_MAX + 1] = { EXPORT_SYMBOL_GPL(nft_reject_policy);

int nft_reject_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { return nft_chain_validate_hooks(ctx->chain, (1 << NF_INET_LOCAL_IN) | diff --git a/net/netfilter/nft_reject_inet.c b/net/netfilter/nft_reject_inet.c index 973fa31a9dd6..49020e67304a 100644 --- a/net/netfilter/nft_reject_inet.c +++ b/net/netfilter/nft_reject_inet.c @@ -61,8 +61,7 @@ static void nft_reject_inet_eval(const struct nft_expr *expr, }

static int nft_reject_inet_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { return nft_chain_validate_hooks(ctx->chain, (1 << NF_INET_LOCAL_IN) | diff --git a/net/netfilter/nft_reject_netdev.c b/net/netfilter/nft_reject_netdev.c index 7865cd8b11bb..2558ce1505d9 100644 --- a/net/netfilter/nft_reject_netdev.c +++ b/net/netfilter/nft_reject_netdev.c @@ -145,8 +145,7 @@ static void nft_reject_netdev_eval(const struct nft_expr *expr, }

static int nft_reject_netdev_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { return nft_chain_validate_hooks(ctx->chain, (1 << NF_NETDEV_INGRESS)); } diff --git a/net/netfilter/nft_rt.c b/net/netfilter/nft_rt.c index 2434c624aafd..9525f1e02a7d 100644 --- a/net/netfilter/nft_rt.c +++ b/net/netfilter/nft_rt.c @@ -160,8 +160,7 @@ static int nft_rt_get_dump(struct sk_buff *skb, return -1; }

-static int nft_rt_validate(const struct nft_ctx *ctx, const struct nft_expr *expr, - const struct nft_data **data) +static int nft_rt_validate(const struct nft_ctx *ctx, const struct nft_expr *expr) { const struct nft_rt *priv = nft_expr_priv(expr); unsigned int hooks; diff --git a/net/netfilter/nft_socket.c b/net/netfilter/nft_socket.c index 187b667bad6c..35d0409b0095 100644 --- a/net/netfilter/nft_socket.c +++ b/net/netfilter/nft_socket.c @@ -275,8 +275,7 @@ static bool nft_socket_reduce(struct nft_regs_track *track, }

static int nft_socket_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { if (ctx->family != NFPROTO_IPV4 && ctx->family != NFPROTO_IPV6 && diff --git a/net/netfilter/nft_synproxy.c b/net/netfilter/nft_synproxy.c index 1d737f89dfc1..5d3e51825985 100644 --- a/net/netfilter/nft_synproxy.c +++ b/net/netfilter/nft_synproxy.c @@ -248,8 +248,7 @@ static void nft_synproxy_eval(const struct nft_expr *expr, }

static int nft_synproxy_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { if (ctx->family != NFPROTO_IPV4 && ctx->family != NFPROTO_IPV6 && diff --git a/net/netfilter/nft_tproxy.c b/net/netfilter/nft_tproxy.c index 71412adb73d4..ed344af2a439 100644 --- a/net/netfilter/nft_tproxy.c +++ b/net/netfilter/nft_tproxy.c @@ -313,8 +313,7 @@ static int nft_tproxy_dump(struct sk_buff *skb, }

static int nft_tproxy_validate(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nft_data **data) + const struct nft_expr *expr) { if (ctx->family != NFPROTO_IPV4 && ctx->family != NFPROTO_IPV6 && diff --git a/net/netfilter/nft_xfrm.c b/net/netfilter/nft_xfrm.c index 1c866757db55..8a07b46cc8fb 100644 --- a/net/netfilter/nft_xfrm.c +++ b/net/netfilter/nft_xfrm.c @@ -229,8 +229,7 @@ static int nft_xfrm_get_dump(struct sk_buff *skb, return 0; }

-static int nft_xfrm_validate(const struct nft_ctx *ctx, const struct nft_expr *expr, - const struct nft_data **data) +static int nft_xfrm_validate(const struct nft_ctx *ctx, const struct nft_expr *expr) { const struct nft_xfrm *priv = nft_expr_priv(expr); unsigned int hooks; diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 08527d882e56..eb2ed7db3fe1 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -31,6 +31,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <crypto/hash.h> +#include <crypto/utils.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/ip.h> @@ -1796,7 +1797,7 @@ struct sctp_association *sctp_unpack_cookie( } }

- if (memcmp(digest, cookie->signature, SCTP_SIGNATURE_SIZE)) { + if (crypto_memneq(digest, cookie->signature, SCTP_SIGNATURE_SIZE)) { *error = -SCTP_IERROR_BAD_SIG; goto fail; } diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 808863e047e0..cd18b22b2bba 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -30,6 +30,7 @@

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

+#include <crypto/utils.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/ip.h> @@ -884,7 +885,8 @@ enum sctp_disposition sctp_sf_do_5_1D_ce(struct net *net, return SCTP_DISPOSITION_CONSUME;

nomem_authev: - sctp_ulpevent_free(ai_ev); + if (ai_ev) + sctp_ulpevent_free(ai_ev); nomem_aiev: sctp_ulpevent_free(ev); nomem_ev: @@ -4415,7 +4417,7 @@ static enum sctp_ierror sctp_sf_authenticate( sh_key, GFP_ATOMIC);

/* Discard the packet if the digests do not match */ - if (memcmp(save_digest, digest, sig_len)) { + if (crypto_memneq(save_digest, digest, sig_len)) { kfree(save_digest); return SCTP_IERROR_BAD_SIG; } diff --git a/security/keys/trusted-keys/trusted_tpm1.c b/security/keys/trusted-keys/trusted_tpm1.c index aa108bea6739..ddcbfaede684 100644 --- a/security/keys/trusted-keys/trusted_tpm1.c +++ b/security/keys/trusted-keys/trusted_tpm1.c @@ -7,6 +7,7 @@ */

#include <crypto/hash_info.h> +#include <crypto/utils.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/parser.h> @@ -241,7 +242,7 @@ int TSS_checkhmac1(unsigned char *buffer, if (ret < 0) goto out;

- if (memcmp(testhmac, authdata, SHA1_DIGEST_SIZE)) + if (crypto_memneq(testhmac, authdata, SHA1_DIGEST_SIZE)) ret = -EINVAL; out: kfree_sensitive(sdesc); @@ -334,7 +335,7 @@ static int TSS_checkhmac2(unsigned char *buffer, TPM_NONCE_SIZE, ononce, 1, continueflag1, 0, 0); if (ret < 0) goto out; - if (memcmp(testhmac1, authdata1, SHA1_DIGEST_SIZE)) { + if (crypto_memneq(testhmac1, authdata1, SHA1_DIGEST_SIZE)) { ret = -EINVAL; goto out; } @@ -343,7 +344,7 @@ static int TSS_checkhmac2(unsigned char *buffer, TPM_NONCE_SIZE, ononce, 1, continueflag2, 0, 0); if (ret < 0) goto out; - if (memcmp(testhmac2, authdata2, SHA1_DIGEST_SIZE)) + if (crypto_memneq(testhmac2, authdata2, SHA1_DIGEST_SIZE)) ret = -EINVAL; out: kfree_sensitive(sdesc); diff --git a/sound/soc/sof/ipc4-topology.h b/sound/soc/sof/ipc4-topology.h index 0fb759c6eeaf..07bd84204baa 100644 --- a/sound/soc/sof/ipc4-topology.h +++ b/sound/soc/sof/ipc4-topology.h @@ -59,8 +59,8 @@

#define SOF_IPC4_INVALID_NODE_ID 0xffffffff

-/* FW requires minimum 2ms DMA buffer size */ -#define SOF_IPC4_MIN_DMA_BUFFER_SIZE 2 +/* FW requires minimum 4ms DMA buffer size */ +#define SOF_IPC4_MIN_DMA_BUFFER_SIZE 4

/* * The base of multi-gateways. Multi-gateways addressing starts from diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile index 4f869fff28fe..17e03236e346 100644 --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -306,10 +306,10 @@ $(OUTPUT)test-libbabeltrace.bin: $(BUILD) # -lbabeltrace provided by $(FEATURE_CHECK_LDFLAGS-libbabeltrace)

$(OUTPUT)test-compile-32.bin: - $(CC) -m32 -o $@ test-compile.c + $(CC) -m32 -Wall -Werror -o $@ test-compile.c

$(OUTPUT)test-compile-x32.bin: - $(CC) -mx32 -o $@ test-compile.c + $(CC) -mx32 -Wall -Werror -o $@ test-compile.c

$(OUTPUT)test-zlib.bin: $(BUILD) -lz diff --git a/tools/lib/perf/include/perf/event.h b/tools/lib/perf/include/perf/event.h index ae64090184d3..b50960cce23f 100644 --- a/tools/lib/perf/include/perf/event.h +++ b/tools/lib/perf/include/perf/event.h @@ -285,6 +285,7 @@ struct perf_record_header_event_type { struct perf_record_header_tracing_data { struct perf_event_header header; __u32 size; + __u32 pad; };

#define PERF_RECORD_MISC_BUILD_ID_SIZE (1 << 15) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 9692ebdd7f11..1512fedd90cf 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -638,8 +638,7 @@ static enum counter_recovery stat_handle_error(struct evsel *counter) * (behavior changed with commit b0a873e). */ if (errno == EINVAL || errno == ENOSYS || - errno == ENOENT || errno == EOPNOTSUPP || - errno == ENXIO) { + errno == ENOENT || errno == ENXIO) { if (verbose > 0) ui__warning("%s event is not supported by the kernel.\n", evsel__name(counter)); @@ -657,7 +656,7 @@ static enum counter_recovery stat_handle_error(struct evsel *counter) if (verbose > 0) ui__warning("%s\n", msg); return COUNTER_RETRY; - } else if (target__has_per_thread(&target) && + } else if (target__has_per_thread(&target) && errno != EOPNOTSUPP && evsel_list->core.threads && evsel_list->core.threads->err_thread != -1) { /* @@ -678,6 +677,19 @@ static enum counter_recovery stat_handle_error(struct evsel *counter) return COUNTER_SKIP; }

+ if (errno == EOPNOTSUPP) { + if (verbose > 0) { + ui__warning("%s event is not supported by the kernel.\n", + evsel__name(counter)); + } + counter->supported = false; + counter->errored = true; + + if ((evsel__leader(counter) != counter) || + !(counter->core.leader->nr_members > 1)) + return COUNTER_SKIP; + } + evsel__open_strerror(counter, &target, errno, msg, sizeof(msg)); ui__error("%s\n", msg);

diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c index 1c4feec1adff..6e7f053006b4 100644 --- a/tools/perf/tests/perf-record.c +++ b/tools/perf/tests/perf-record.c @@ -115,6 +115,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest if (err < 0) { pr_debug("sched__get_first_possible_cpu: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); + evlist__cancel_workload(evlist); goto out_delete_evlist; }

@@ -126,6 +127,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, &cpu_mask) < 0) { pr_debug("sched_setaffinity: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); + evlist__cancel_workload(evlist); goto out_delete_evlist; }

@@ -137,6 +139,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest if (err < 0) { pr_debug("perf_evlist__open: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); + evlist__cancel_workload(evlist); goto out_delete_evlist; }

@@ -149,6 +152,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest if (err < 0) { pr_debug("evlist__mmap: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); + evlist__cancel_workload(evlist); goto out_delete_evlist; }

diff --git a/tools/perf/tests/shell/stat.sh b/tools/perf/tests/shell/stat.sh index 3f1e67795490..62f13dfeae8e 100755 --- a/tools/perf/tests/shell/stat.sh +++ b/tools/perf/tests/shell/stat.sh @@ -146,6 +146,34 @@ test_cputype() { echo "cputype test [Success]" }

+test_hybrid() { + # Test the default stat command on hybrid devices opens one cycles event for + # each CPU type. + echo "hybrid test" + + # Count the number of core PMUs, assume minimum of 1 + pmus=$(ls /sys/bus/event_source/devices/*/cpus 2>/dev/null | wc -l) + if [ "$pmus" -lt 1 ] + then + pmus=1 + fi + + # Run default Perf stat + cycles_events=$(perf stat -- true 2>&1 | grep -E "/cycles/[uH]*| cycles[:uH]* " -c) + + # The expectation is that default output will have a cycles events on each + # hybrid PMU. In situations with no cycles PMU events, like virtualized, this + # can fall back to task-clock and so the end count may be 0. Fail if neither + # condition holds. + if [ "$pmus" -ne "$cycles_events" ] && [ "0" -ne "$cycles_events" ] + then + echo "hybrid test [Found $pmus PMUs but $cycles_events cycles events. Failed]" + err=1 + return + fi + echo "hybrid test [Success]" +} + test_default_stat test_stat_record_report test_stat_record_script @@ -153,4 +181,5 @@ test_stat_repeat_weak_groups test_topdown_groups test_topdown_weak_groups test_cputype +test_hybrid exit $err diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h index 1443c28545a9..358c611eeddb 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h +++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h @@ -56,15 +56,15 @@ enum arm_spe_op_type { ARM_SPE_OP_BR_INDIRECT = 1 << 17, };

-enum arm_spe_neoverse_data_source { - ARM_SPE_NV_L1D = 0x0, - ARM_SPE_NV_L2 = 0x8, - ARM_SPE_NV_PEER_CORE = 0x9, - ARM_SPE_NV_LOCAL_CLUSTER = 0xa, - ARM_SPE_NV_SYS_CACHE = 0xb, - ARM_SPE_NV_PEER_CLUSTER = 0xc, - ARM_SPE_NV_REMOTE = 0xd, - ARM_SPE_NV_DRAM = 0xe, +enum arm_spe_common_data_source { + ARM_SPE_COMMON_DS_L1D = 0x0, + ARM_SPE_COMMON_DS_L2 = 0x8, + ARM_SPE_COMMON_DS_PEER_CORE = 0x9, + ARM_SPE_COMMON_DS_LOCAL_CLUSTER = 0xa, + ARM_SPE_COMMON_DS_SYS_CACHE = 0xb, + ARM_SPE_COMMON_DS_PEER_CLUSTER = 0xc, + ARM_SPE_COMMON_DS_REMOTE = 0xd, + ARM_SPE_COMMON_DS_DRAM = 0xe, };

struct arm_spe_record { diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c index 9848310cee5f..0302e6407b5a 100644 --- a/tools/perf/util/arm-spe.c +++ b/tools/perf/util/arm-spe.c @@ -411,15 +411,15 @@ static int arm_spe__synth_instruction_sample(struct arm_spe_queue *speq, return arm_spe_deliver_synth_event(spe, speq, event, &sample); }

-static const struct midr_range neoverse_spe[] = { +static const struct midr_range common_ds_encoding_cpus[] = { MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V1), {}, };

-static void arm_spe__synth_data_source_neoverse(const struct arm_spe_record *record, - union perf_mem_data_src *data_src) +static void arm_spe__synth_data_source_common(const struct arm_spe_record *record, + union perf_mem_data_src *data_src) { /* * Even though four levels of cache hierarchy are possible, no known @@ -441,17 +441,17 @@ static void arm_spe__synth_data_source_neoverse(const struct arm_spe_record *rec }

switch (record->source) { - case ARM_SPE_NV_L1D: + case ARM_SPE_COMMON_DS_L1D: data_src->mem_lvl = PERF_MEM_LVL_L1 | PERF_MEM_LVL_HIT; data_src->mem_lvl_num = PERF_MEM_LVLNUM_L1; data_src->mem_snoop = PERF_MEM_SNOOP_NONE; break; - case ARM_SPE_NV_L2: + case ARM_SPE_COMMON_DS_L2: data_src->mem_lvl = PERF_MEM_LVL_L2 | PERF_MEM_LVL_HIT; data_src->mem_lvl_num = PERF_MEM_LVLNUM_L2; data_src->mem_snoop = PERF_MEM_SNOOP_NONE; break; - case ARM_SPE_NV_PEER_CORE: + case ARM_SPE_COMMON_DS_PEER_CORE: data_src->mem_lvl = PERF_MEM_LVL_L2 | PERF_MEM_LVL_HIT; data_src->mem_lvl_num = PERF_MEM_LVLNUM_L2; data_src->mem_snoopx = PERF_MEM_SNOOPX_PEER; @@ -460,8 +460,8 @@ static void arm_spe__synth_data_source_neoverse(const struct arm_spe_record *rec * We don't know if this is L1, L2 but we do know it was a cache-2-cache * transfer, so set SNOOPX_PEER */ - case ARM_SPE_NV_LOCAL_CLUSTER: - case ARM_SPE_NV_PEER_CLUSTER: + case ARM_SPE_COMMON_DS_LOCAL_CLUSTER: + case ARM_SPE_COMMON_DS_PEER_CLUSTER: data_src->mem_lvl = PERF_MEM_LVL_L3 | PERF_MEM_LVL_HIT; data_src->mem_lvl_num = PERF_MEM_LVLNUM_L3; data_src->mem_snoopx = PERF_MEM_SNOOPX_PEER; @@ -469,7 +469,7 @@ static void arm_spe__synth_data_source_neoverse(const struct arm_spe_record *rec /* * System cache is assumed to be L3 */ - case ARM_SPE_NV_SYS_CACHE: + case ARM_SPE_COMMON_DS_SYS_CACHE: data_src->mem_lvl = PERF_MEM_LVL_L3 | PERF_MEM_LVL_HIT; data_src->mem_lvl_num = PERF_MEM_LVLNUM_L3; data_src->mem_snoop = PERF_MEM_SNOOP_HIT; @@ -478,13 +478,13 @@ static void arm_spe__synth_data_source_neoverse(const struct arm_spe_record *rec * We don't know what level it hit in, except it came from the other * socket */ - case ARM_SPE_NV_REMOTE: - data_src->mem_lvl = PERF_MEM_LVL_REM_CCE1; - data_src->mem_lvl_num = PERF_MEM_LVLNUM_ANY_CACHE; + case ARM_SPE_COMMON_DS_REMOTE: + data_src->mem_lvl = PERF_MEM_LVL_NA; + data_src->mem_lvl_num = PERF_MEM_LVLNUM_NA; data_src->mem_remote = PERF_MEM_REMOTE_REMOTE; data_src->mem_snoopx = PERF_MEM_SNOOPX_PEER; break; - case ARM_SPE_NV_DRAM: + case ARM_SPE_COMMON_DS_DRAM: data_src->mem_lvl = PERF_MEM_LVL_LOC_RAM | PERF_MEM_LVL_HIT; data_src->mem_lvl_num = PERF_MEM_LVLNUM_RAM; data_src->mem_snoop = PERF_MEM_SNOOP_NONE; @@ -514,13 +514,13 @@ static void arm_spe__synth_data_source_generic(const struct arm_spe_record *reco }

if (record->type & ARM_SPE_REMOTE_ACCESS) - data_src->mem_lvl |= PERF_MEM_LVL_REM_CCE1; + data_src->mem_remote = PERF_MEM_REMOTE_REMOTE; }

static u64 arm_spe__synth_data_source(const struct arm_spe_record *record, u64 midr) { union perf_mem_data_src data_src = { .mem_op = PERF_MEM_OP_NA }; - bool is_neoverse = is_midr_in_range_list(midr, neoverse_spe); + bool is_common = is_midr_in_range_list(midr, common_ds_encoding_cpus);

/* Only synthesize data source for LDST operations */ if (!is_ldst_op(record->op)) @@ -533,8 +533,8 @@ static u64 arm_spe__synth_data_source(const struct arm_spe_record *record, u64 m else return 0;

- if (is_neoverse) - arm_spe__synth_data_source_neoverse(record, &data_src); + if (is_common) + arm_spe__synth_data_source_common(record, &data_src); else arm_spe__synth_data_source_generic(record, &data_src);

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 2a6295f1ac1b..6d1327f8c604 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -2874,7 +2874,7 @@ bool evsel__fallback(struct evsel *evsel, int err, char *msg, size_t msgsize)

/* If event has exclude user then don't exclude kernel. */ if (evsel->core.attr.exclude_user) - return false; + goto no_fallback;

/* Is there already the separator in the name. */ if (strchr(name, '/') || @@ -2882,7 +2882,7 @@ bool evsel__fallback(struct evsel *evsel, int err, char *msg, size_t msgsize) sep = "";

if (asprintf(&new_name, "%s%su", name, sep) < 0) - return false; + goto no_fallback;

free(evsel->name); evsel->name = new_name; @@ -2893,8 +2893,31 @@ bool evsel__fallback(struct evsel *evsel, int err, char *msg, size_t msgsize) evsel->core.attr.exclude_hv = 1;

return true; - } + } else if (err == EOPNOTSUPP && !evsel->core.attr.exclude_guest && + !evsel->exclude_GH) { + const char *name = evsel__name(evsel); + char *new_name; + const char *sep = ":"; + + /* Is there already the separator in the name. */ + if (strchr(name, '/') || + (strchr(name, ':') && !evsel->is_libpfm_event)) + sep = ""; + + if (asprintf(&new_name, "%s%sH", name, sep) < 0) + goto no_fallback;

+ free(evsel->name); + evsel->name = new_name; + /* Apple M1 requires exclude_guest */ + scnprintf(msg, msgsize, "Trying to fall back to excluding guest samples"); + evsel->core.attr.exclude_guest = 1; + + return true; + } +no_fallback: + scnprintf(msg, msgsize, "No fallback found for '%s' for error %d", + evsel__name(evsel), err); return false; }

@@ -3131,6 +3154,8 @@ bool evsel__is_hybrid(const struct evsel *evsel)

struct evsel *evsel__leader(const struct evsel *evsel) { + if (evsel->core.leader == NULL) + return NULL; return container_of(evsel->core.leader, struct evsel, core); }

diff --git a/tools/perf/util/lzma.c b/tools/perf/util/lzma.c index af9a97612f9d..f61574d1581e 100644 --- a/tools/perf/util/lzma.c +++ b/tools/perf/util/lzma.c @@ -113,7 +113,7 @@ bool lzma_is_compressed(const char *input) ssize_t rc;

if (fd < 0) - return -1; + return false;

rc = read(fd, buf, sizeof(buf)); close(fd); diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 277b2cbd5186..e4d57e7df7ae 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1662,7 +1662,7 @@ static s64 perf_session__process_user_event(struct perf_session *session, struct perf_tool *tool = session->tool; struct perf_sample sample = { .time = 0, }; int fd = perf_data__fd(session->data); - int err; + s64 err;

if (event->header.type != PERF_RECORD_COMPRESSED || tool->compressed == perf_session__process_compressed_event_stub) diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py index e837132d5031..eecb462c021c 100644 --- a/tools/perf/util/setup.py +++ b/tools/perf/util/setup.py @@ -1,6 +1,7 @@ from os import getenv, path from subprocess import Popen, PIPE from re import sub +import shlex

cc = getenv("CC")

@@ -16,7 +17,9 @@ cc_is_clang = b"clang version" in Popen([cc, "-v"], stderr=PIPE).stderr.readline src_feature_tests = getenv('srctree') + '/tools/build/feature'

def clang_has_option(option): - cc_output = Popen([cc, cc_options + option, path.join(src_feature_tests, "test-hello.c") ], stderr=PIPE).stderr.readlines() + cmd = shlex.split(f"{cc} {cc_options} {option}") + cmd.append(path.join(src_feature_tests, "test-hello.c")) + cc_output = Popen(cmd, stderr=PIPE).stderr.readlines() return [o for o in cc_output if ((b"unknown argument" in o) or (b"is not supported" in o) or (b"unknown warning option" in o))] == [ ]

if cc_is_clang: diff --git a/tools/perf/util/zlib.c b/tools/perf/util/zlib.c index 78d2297c1b67..1f7c06523059 100644 --- a/tools/perf/util/zlib.c +++ b/tools/perf/util/zlib.c @@ -88,7 +88,7 @@ bool gzip_is_compressed(const char *input) ssize_t rc;

if (fd < 0) - return -1; + return false;

rc = read(fd, buf, sizeof(buf)); close(fd); diff --git a/tools/testing/selftests/mm/madv_populate.c b/tools/testing/selftests/mm/madv_populate.c index 17bcb07f19f3..7278623acf8c 100644 --- a/tools/testing/selftests/mm/madv_populate.c +++ b/tools/testing/selftests/mm/madv_populate.c @@ -264,23 +264,6 @@ static void test_softdirty(void) munmap(addr, SIZE); }

-static int system_has_softdirty(void) -{ - /* - * There is no way to check if the kernel supports soft-dirty, other - * than by writing to a page and seeing if the bit was set. But the - * tests are intended to check that the bit gets set when it should, so - * doing that check would turn a potentially legitimate fail into a - * skip. Fortunately, we know for sure that arm64 does not support - * soft-dirty. So for now, let's just use the arch as a corse guide. - */ -#if defined(__aarch64__) - return 0; -#else - return 1; -#endif -} - int main(int argc, char **argv) { int nr_tests = 16; @@ -288,7 +271,7 @@ int main(int argc, char **argv)

pagesize = getpagesize();

- if (system_has_softdirty()) + if (softdirty_supported()) nr_tests += 5;

ksft_print_header(); @@ -300,7 +283,7 @@ int main(int argc, char **argv) test_holes(); test_populate_read(); test_populate_write(); - if (system_has_softdirty()) + if (softdirty_supported()) test_softdirty();

err = ksft_get_fail_cnt(); diff --git a/tools/testing/selftests/mm/soft-dirty.c b/tools/testing/selftests/mm/soft-dirty.c index 7dbfa53d93a0..7095b95d19ae 100644 --- a/tools/testing/selftests/mm/soft-dirty.c +++ b/tools/testing/selftests/mm/soft-dirty.c @@ -193,8 +193,11 @@ int main(int argc, char **argv) int pagesize;

ksft_print_header(); - ksft_set_plan(15);

+ if (!softdirty_supported()) + ksft_exit_skip("soft-dirty is not support\n"); + + ksft_set_plan(15); pagemap_fd = open(PAGEMAP_FILE_PATH, O_RDONLY); if (pagemap_fd < 0) ksft_exit_fail_msg("Failed to open %s\n", PAGEMAP_FILE_PATH); diff --git a/tools/testing/selftests/mm/vm_util.c b/tools/testing/selftests/mm/vm_util.c index 558c9cd8901c..b2af70d75711 100644 --- a/tools/testing/selftests/mm/vm_util.c +++ b/tools/testing/selftests/mm/vm_util.c @@ -97,6 +97,42 @@ uint64_t read_pmd_pagesize(void) return strtoul(buf, NULL, 10); }

+char *__get_smap_entry(void *addr, const char *pattern, char *buf, size_t len) +{ + int ret; + FILE *fp; + char *entry = NULL; + char addr_pattern[MAX_LINE_LENGTH]; + + ret = snprintf(addr_pattern, MAX_LINE_LENGTH, "%08lx-", + (unsigned long)addr); + if (ret >= MAX_LINE_LENGTH) + ksft_exit_fail_msg("%s: Pattern is too long\n", __func__); + + fp = fopen(SMAP_FILE_PATH, "r"); + if (!fp) + ksft_exit_fail_msg("%s: Failed to open file %s\n", __func__, + SMAP_FILE_PATH); + + if (!check_for_pattern(fp, addr_pattern, buf, len)) + goto err_out; + + /* Fetch the pattern in the same block */ + if (!check_for_pattern(fp, pattern, buf, len)) + goto err_out; + + /* Trim trailing newline */ + entry = strchr(buf, '\n'); + if (entry) + *entry = '\0'; + + entry = buf + strlen(pattern); + +err_out: + fclose(fp); + return entry; +} + bool __check_huge(void *addr, char *pattern, int nr_hpages, uint64_t hpage_size) { @@ -269,3 +305,44 @@ int uffd_unregister(int uffd, void *addr, uint64_t len)

return ret; } + +static bool check_vmflag(void *addr, const char *flag) +{ + char buffer[MAX_LINE_LENGTH]; + const char *flags; + size_t flaglen; + + flags = __get_smap_entry(addr, "VmFlags:", buffer, sizeof(buffer)); + if (!flags) + ksft_exit_fail_msg("%s: No VmFlags for %p\n", __func__, addr); + + while (true) { + flags += strspn(flags, " "); + + flaglen = strcspn(flags, " "); + if (!flaglen) + return false; + + if (flaglen == strlen(flag) && !memcmp(flags, flag, flaglen)) + return true; + + flags += flaglen; + } +} + +bool softdirty_supported(void) +{ + char *addr; + bool supported = false; + const size_t pagesize = getpagesize(); + + /* New mappings are expected to be marked with VM_SOFTDIRTY (sd). */ + addr = mmap(0, pagesize, PROT_READ | PROT_WRITE, + MAP_ANONYMOUS | MAP_PRIVATE, 0, 0); + if (!addr) + ksft_exit_fail_msg("mmap failed\n"); + + supported = check_vmflag(addr, "sd"); + munmap(addr, pagesize); + return supported; +} diff --git a/tools/testing/selftests/mm/vm_util.h b/tools/testing/selftests/mm/vm_util.h index 0c603bec5e20..9816d6e9bce6 100644 --- a/tools/testing/selftests/mm/vm_util.h +++ b/tools/testing/selftests/mm/vm_util.h @@ -51,6 +51,7 @@ int uffd_register(int uffd, void *addr, uint64_t len, int uffd_unregister(int uffd, void *addr, uint64_t len); int uffd_register_with_ioctls(int uffd, void *addr, uint64_t len, bool miss, bool wp, bool minor, uint64_t *ioctls); +bool softdirty_supported(void);

/* * On ppc64 this will only work with radix 2M hugepage size diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 442b7220468a..9a907d8260c9 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -3234,6 +3234,17 @@ deny_join_id0_tests() run_tests $ns1 $ns2 10.0.1.1 chk_join_nr 1 1 1 fi + + # default limits, server deny join id 0 + signal + if reset_with_allow_join_id0 "default limits, server deny join id 0" 0 1; then + pm_nl_set_limits $ns1 0 2 + pm_nl_set_limits $ns2 0 2 + pm_nl_add_endpoint $ns1 10.0.2.1 flags signal + pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow + pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr 2 2 2 + fi }

fullmesh_tests() diff --git a/tools/testing/selftests/rseq/rseq.c b/tools/testing/selftests/rseq/rseq.c index f6156790c3b4..05dc77fd527b 100644 --- a/tools/testing/selftests/rseq/rseq.c +++ b/tools/testing/selftests/rseq/rseq.c @@ -40,9 +40,9 @@ * Define weak versions to play nice with binaries that are statically linked * against a libc that doesn't support registering its own rseq. */ -__weak ptrdiff_t __rseq_offset; -__weak unsigned int __rseq_size; -__weak unsigned int __rseq_flags; +extern __weak ptrdiff_t __rseq_offset; +extern __weak unsigned int __rseq_size; +extern __weak unsigned int __rseq_flags;

static const ptrdiff_t *libc_rseq_offset_p = &__rseq_offset; static const unsigned int *libc_rseq_size_p = &__rseq_size; @@ -198,7 +198,7 @@ void rseq_init(void) * libc not having registered a restartable sequence. Try to find the * symbols if that's the case. */ - if (!*libc_rseq_size_p) { + if (!libc_rseq_size_p || !*libc_rseq_size_p) { libc_rseq_offset_p = dlsym(RTLD_NEXT, "__rseq_offset"); libc_rseq_size_p = dlsym(RTLD_NEXT, "__rseq_size"); libc_rseq_flags_p = dlsym(RTLD_NEXT, "__rseq_flags");