January 2025 - Linux-stable-mirror

FAILED: patch "[PATCH] pmdomain: imx: gpcv2: fix an OF node reference leak in" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 469c0682e03d67d8dc970ecaa70c2d753057c7c0 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025010322-villain-exes-fff1@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 469c0682e03d67d8dc970ecaa70c2d753057c7c0 Mon Sep 17 00:00:00 2001 From: Joe Hattori <joe(a)pf.is.s.u-tokyo.ac.jp> Date: Sun, 15 Dec 2024 12:01:59 +0900 Subject: [PATCH] pmdomain: imx: gpcv2: fix an OF node reference leak in imx_gpcv2_probe() imx_gpcv2_probe() leaks an OF node reference obtained by of_get_child_by_name(). Fix it by declaring the device node with the __free(device_node) cleanup construct. This bug was found by an experimental static analysis tool that I am developing. Fixes: 03aa12629fc4 ("soc: imx: Add GPCv2 power gating driver") Signed-off-by: Joe Hattori <joe(a)pf.is.s.u-tokyo.ac.jp> Cc: stable(a)vger.kernel.org Message-ID: <20241215030159.1526624-1-joe(a)pf.is.s.u-tokyo.ac.jp> Signed-off-by: Ulf Hansson <ulf.hansson(a)linaro.org> diff --git a/drivers/pmdomain/imx/gpcv2.c b/drivers/pmdomain/imx/gpcv2.c index e67ecf99ef84..9bdb80fd7210 100644 --- a/drivers/pmdomain/imx/gpcv2.c +++ b/drivers/pmdomain/imx/gpcv2.c @@ -1458,12 +1458,12 @@ static int imx_gpcv2_probe(struct platform_device *pdev) .max_register = SZ_4K, }; struct device *dev = &pdev->dev; - struct device_node *pgc_np; + struct device_node *pgc_np __free(device_node) = + of_get_child_by_name(dev->of_node, "pgc"); struct regmap *regmap; void __iomem *base; int ret; - pgc_np = of_get_child_by_name(dev->of_node, "pgc"); if (!pgc_np) { dev_err(dev, "No power domains specified in DT\n"); return -EINVAL;

2 days, 5 hours

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FAILED: patch "[PATCH] pmdomain: imx: gpcv2: fix an OF node reference leak in" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x 469c0682e03d67d8dc970ecaa70c2d753057c7c0 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025010321-pampers-glazing-2689@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 469c0682e03d67d8dc970ecaa70c2d753057c7c0 Mon Sep 17 00:00:00 2001 From: Joe Hattori <joe(a)pf.is.s.u-tokyo.ac.jp> Date: Sun, 15 Dec 2024 12:01:59 +0900 Subject: [PATCH] pmdomain: imx: gpcv2: fix an OF node reference leak in imx_gpcv2_probe() imx_gpcv2_probe() leaks an OF node reference obtained by of_get_child_by_name(). Fix it by declaring the device node with the __free(device_node) cleanup construct. This bug was found by an experimental static analysis tool that I am developing. Fixes: 03aa12629fc4 ("soc: imx: Add GPCv2 power gating driver") Signed-off-by: Joe Hattori <joe(a)pf.is.s.u-tokyo.ac.jp> Cc: stable(a)vger.kernel.org Message-ID: <20241215030159.1526624-1-joe(a)pf.is.s.u-tokyo.ac.jp> Signed-off-by: Ulf Hansson <ulf.hansson(a)linaro.org> diff --git a/drivers/pmdomain/imx/gpcv2.c b/drivers/pmdomain/imx/gpcv2.c index e67ecf99ef84..9bdb80fd7210 100644 --- a/drivers/pmdomain/imx/gpcv2.c +++ b/drivers/pmdomain/imx/gpcv2.c @@ -1458,12 +1458,12 @@ static int imx_gpcv2_probe(struct platform_device *pdev) .max_register = SZ_4K, }; struct device *dev = &pdev->dev; - struct device_node *pgc_np; + struct device_node *pgc_np __free(device_node) = + of_get_child_by_name(dev->of_node, "pgc"); struct regmap *regmap; void __iomem *base; int ret; - pgc_np = of_get_child_by_name(dev->of_node, "pgc"); if (!pgc_np) { dev_err(dev, "No power domains specified in DT\n"); return -EINVAL;

2 days, 5 hours

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FAILED: patch "[PATCH] pmdomain: imx: gpcv2: fix an OF node reference leak in" failed to apply to 6.6-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x 469c0682e03d67d8dc970ecaa70c2d753057c7c0 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025010321-bacteria-pebbly-7249@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 469c0682e03d67d8dc970ecaa70c2d753057c7c0 Mon Sep 17 00:00:00 2001 From: Joe Hattori <joe(a)pf.is.s.u-tokyo.ac.jp> Date: Sun, 15 Dec 2024 12:01:59 +0900 Subject: [PATCH] pmdomain: imx: gpcv2: fix an OF node reference leak in imx_gpcv2_probe() imx_gpcv2_probe() leaks an OF node reference obtained by of_get_child_by_name(). Fix it by declaring the device node with the __free(device_node) cleanup construct. This bug was found by an experimental static analysis tool that I am developing. Fixes: 03aa12629fc4 ("soc: imx: Add GPCv2 power gating driver") Signed-off-by: Joe Hattori <joe(a)pf.is.s.u-tokyo.ac.jp> Cc: stable(a)vger.kernel.org Message-ID: <20241215030159.1526624-1-joe(a)pf.is.s.u-tokyo.ac.jp> Signed-off-by: Ulf Hansson <ulf.hansson(a)linaro.org> diff --git a/drivers/pmdomain/imx/gpcv2.c b/drivers/pmdomain/imx/gpcv2.c index e67ecf99ef84..9bdb80fd7210 100644 --- a/drivers/pmdomain/imx/gpcv2.c +++ b/drivers/pmdomain/imx/gpcv2.c @@ -1458,12 +1458,12 @@ static int imx_gpcv2_probe(struct platform_device *pdev) .max_register = SZ_4K, }; struct device *dev = &pdev->dev; - struct device_node *pgc_np; + struct device_node *pgc_np __free(device_node) = + of_get_child_by_name(dev->of_node, "pgc"); struct regmap *regmap; void __iomem *base; int ret; - pgc_np = of_get_child_by_name(dev->of_node, "pgc"); if (!pgc_np) { dev_err(dev, "No power domains specified in DT\n"); return -EINVAL;

2 days, 5 hours

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[PATCH] drm/amdgpu: fix backport of commit 73dae652dcac

by Alex Deucher

Commit 73dae652dcac ("drm/amdgpu: rework resume handling for display (v2)") missed a small code change when it was backported resulting in an automatic backlight control breakage. Fix the backport. Note that this patch is not in Linus' tree as it is not required there; the bug was introduced in the backport. Fixes: 99a02eab8251 ("drm/amdgpu: rework resume handling for display (v2)") Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3853 Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Cc: stable(a)vger.kernel.org # 6.11.x --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 51904906545e..45e28726e148 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3721,8 +3721,12 @@ static int amdgpu_device_ip_resume_phase3(struct amdgpu_device *adev) continue; if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) { r = adev->ip_blocks[i].version->funcs->resume(adev); - if (r) + if (r) { + DRM_ERROR("resume of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, r); return r; + } + adev->ip_blocks[i].status.hw = true; } } -- 2.47.1

2 days, 5 hours

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[PATCH net] ptp: limit number of virtual clocks per physical clock

by Thomas Weißschuh

The sysfs interface can be used to trigger arbitrarily large memory allocations. This can induce pressure on the VM layer to satisfy the request only to fail anyways. Reported-by: cheung wall <zzqq0103.hey(a)gmail.com> Closes: https://lore.kernel.org/lkml/20250103091906.GD1977892@ZenIV/ Fixes: 73f37068d540 ("ptp: support ptp physical/virtual clocks conversion") Cc: stable(a)vger.kernel.org Signed-off-by: Thomas Weißschuh <linux(a)weissschuh.net> --- The limit is completely made up, let me know if there is something better. I'm also wondering about the point of the max_vclocks sysfs attribute. It could easily be removed and all its logic moved into the n_vclocks attribute, simplifying the UAPI. --- drivers/ptp/ptp_private.h | 1 + drivers/ptp/ptp_sysfs.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h index 18934e28469ee6e3bf9c9e6d1a1adb82808d88e6..07003339795e9c0fb813887e47eaee4ba0e20064 100644 --- a/drivers/ptp/ptp_private.h +++ b/drivers/ptp/ptp_private.h @@ -22,6 +22,7 @@ #define PTP_MAX_TIMESTAMPS 128 #define PTP_BUF_TIMESTAMPS 30 #define PTP_DEFAULT_MAX_VCLOCKS 20 +#define PTP_MAX_VCLOCKS_LIMIT 2048 #define PTP_MAX_CHANNELS 2048 struct timestamp_event_queue { diff --git a/drivers/ptp/ptp_sysfs.c b/drivers/ptp/ptp_sysfs.c index 6b1b8f57cd9510f269c86dd89a7a74f277f6916b..200eaf50069681eecc87d63c0e0440f28cccab77 100644 --- a/drivers/ptp/ptp_sysfs.c +++ b/drivers/ptp/ptp_sysfs.c @@ -284,7 +284,7 @@ static ssize_t max_vclocks_store(struct device *dev, size_t size; u32 max; - if (kstrtou32(buf, 0, &max) || max == 0) + if (kstrtou32(buf, 0, &max) || max == 0 || max > PTP_MAX_VCLOCKS_LIMIT) return -EINVAL; if (max == ptp->max_vclocks) --- base-commit: 582ef8a0c406e0b17030b0773392595ec331a0d2 change-id: 20250103-ptp-max_vclocks-0dab5b03b006 Best regards, -- Thomas Weißschuh <linux(a)weissschuh.net>

2 days, 6 hours

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[PATCH] PCI: endpoint: Fix a double free in __pci_epc_create()

by Ma Ke

The put_device(&epc->dev) call will trigger pci_epc_release() which frees "epc" so the kfree(epc) on the next line is a double free. Found by code review. Cc: stable(a)vger.kernel.org Fixes: 5e8cb4033807 ("PCI: endpoint: Add EP core layer to enable EP controller and EP functions") Signed-off-by: Ma Ke <make_ruc2021(a)163.com> --- drivers/pci/endpoint/pci-epc-core.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c index 46c9a5c3ca14..652350f054cf 100644 --- a/drivers/pci/endpoint/pci-epc-core.c +++ b/drivers/pci/endpoint/pci-epc-core.c @@ -818,7 +818,6 @@ __pci_epc_create(struct device *dev, const struct pci_epc_ops *ops, put_dev: put_device(&epc->dev); - kfree(epc); err_ret: return ERR_PTR(ret); -- 2.25.1

2 days, 9 hours

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[PATCH 0/2] Some fixes for Goodix Berlin touchscreen driver

by Luca Weiss

One is a simple comment fix, and the second one fixes a discrepancy between dt-bindings and driver, aligning the driver to match dt-bindings. Signed-off-by: Luca Weiss <luca.weiss(a)fairphone.com> --- Luca Weiss (2): Input: goodix-berlin - fix comment referencing wrong regulator Input: goodix-berlin - fix vddio regulator references drivers/input/touchscreen/goodix_berlin_core.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) --- base-commit: 8155b4ef3466f0e289e8fcc9e6e62f3f4dceeac2 change-id: 20250103-goodix-berlin-fixes-0f776d90caa7 Best regards, -- Luca Weiss <luca.weiss(a)fairphone.com>

2 days, 10 hours

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[PATCH v3] arm64: mm: Populate vmemmap at the page level for hotplugged sections

by Zhenhua Huang

Commit c1cc1552616d ("arm64: MMU initialisation") optimizes the vmemmap to populate at the PMD section level which was suitable initially since hotplugging granule is always 128M. However, commit ba72b4c8cf60 ("mm/sparsemem: support sub-section hotplug") which added 2M hotplugging granule disrupted the arm64 assumptions. Considering the vmemmap_free -> unmap_hotplug_pmd_range path, when pmd_sect() is true, the entire PMD section is cleared, even if there is other effective subsection. For example pagemap1 and pagemap2 are part of a single PMD entry and they are hot-added sequentially. Then pagemap1 is removed, vmemmap_free() will clear the entire PMD entry freeing the struct page metadata for the whole section, even though pagemap2 is still active. To address the issue, we need to prevent PMD/PUD/CONT mappings for both linear and vmemmap for non-boot sections if the size exceeds 2MB (considering sub-section is 2MB). We only permit 2MB blocks in a 4KB page configuration. Cc: stable(a)vger.kernel.org # v5.4+ Fixes: ba72b4c8cf60 ("mm/sparsemem: support sub-section hotplug") Signed-off-by: Zhenhua Huang <quic_zhenhuah(a)quicinc.com> --- Hi Catalin and Anshuman, Based on your review comments, I concluded below patch and tested with my setup. I have not folded patchset #2 since this patch seems to be enough for backporting.. Please see if you have further suggestions. arch/arm64/mm/mmu.c | 33 +++++++++++++++++++++++++++++---- 1 file changed, 29 insertions(+), 4 deletions(-) diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index e2739b69e11b..2b4d23f01d85 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -42,9 +42,11 @@ #include <asm/pgalloc.h> #include <asm/kfence.h> -#define NO_BLOCK_MAPPINGS BIT(0) +#define NO_PMD_BLOCK_MAPPINGS BIT(0) #define NO_CONT_MAPPINGS BIT(1) #define NO_EXEC_MAPPINGS BIT(2) /* assumes FEAT_HPDS is not used */ +#define NO_PUD_BLOCK_MAPPINGS BIT(3) /* Hotplug case: do not want block mapping for PUD */ +#define NO_BLOCK_MAPPINGS (NO_PMD_BLOCK_MAPPINGS | NO_PUD_BLOCK_MAPPINGS) u64 kimage_voffset __ro_after_init; EXPORT_SYMBOL(kimage_voffset); @@ -254,7 +256,7 @@ static void init_pmd(pmd_t *pmdp, unsigned long addr, unsigned long end, /* try section mapping first */ if (((addr | next | phys) & ~PMD_MASK) == 0 && - (flags & NO_BLOCK_MAPPINGS) == 0) { + (flags & NO_PMD_BLOCK_MAPPINGS) == 0) { pmd_set_huge(pmdp, phys, prot); /* @@ -356,10 +358,11 @@ static void alloc_init_pud(p4d_t *p4dp, unsigned long addr, unsigned long end, /* * For 4K granule only, attempt to put down a 1GB block + * Hotplug case: do not attempt 1GB block */ if (pud_sect_supported() && ((addr | next | phys) & ~PUD_MASK) == 0 && - (flags & NO_BLOCK_MAPPINGS) == 0) { + (flags & NO_PUD_BLOCK_MAPPINGS) == 0) { pud_set_huge(pudp, phys, prot); /* @@ -1175,9 +1178,16 @@ int __meminit vmemmap_check_pmd(pmd_t *pmdp, int node, int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node, struct vmem_altmap *altmap) { + unsigned long start_pfn; + struct mem_section *ms; + WARN_ON((start < VMEMMAP_START) || (end > VMEMMAP_END)); - if (!IS_ENABLED(CONFIG_ARM64_4K_PAGES)) + start_pfn = page_to_pfn((struct page *)start); + ms = __pfn_to_section(start_pfn); + + /* Hotplugged section not support hugepages */ + if (!IS_ENABLED(CONFIG_ARM64_4K_PAGES) || !early_section(ms)) return vmemmap_populate_basepages(start, end, node, altmap); else return vmemmap_populate_hugepages(start, end, node, altmap); @@ -1339,9 +1349,24 @@ int arch_add_memory(int nid, u64 start, u64 size, struct mhp_params *params) { int ret, flags = NO_EXEC_MAPPINGS; + unsigned long start_pfn = page_to_pfn((struct page *)start); + struct mem_section *ms = __pfn_to_section(start_pfn); VM_BUG_ON(!mhp_range_allowed(start, size, true)); + /* Should not be invoked by early section */ + WARN_ON(early_section(ms)); + + if (IS_ENABLED(CONFIG_ARM64_4K_PAGES)) + /* + * As per subsection granule is 2M, allow PMD block mapping in + * case 4K PAGES. + * Other cases forbid section mapping. + */ + flags |= NO_PUD_BLOCK_MAPPINGS | NO_CONT_MAPPINGS; + else + flags |= NO_BLOCK_MAPPINGS | NO_CONT_MAPPINGS; + if (can_set_direct_map()) flags |= NO_BLOCK_MAPPINGS | NO_CONT_MAPPINGS; -- 2.25.1

2 days, 11 hours

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[PATCH] usb-storage: Add max sectors quirk for Nokia 208

by Lubomir Rintel

This fixes data corruption when accessing the internal SD card in mass storage mode. I am actually not too sure why. I didn't figure a straightforward way to reproduce the issue, but i seem to get garbage when issuing a lot (over 50) of large reads (over 120 sectors) are done in a quick succession. That is, time seems to matter here -- larger reads are fine if they are done with some delay between them. But I'm not great at understanding this sort of things, so I'll assume the issue other, smarter, folks were seeing with similar phones is the same problem and I'll just put my quirk next to theirs. The "Software details" screen on the phone is as follows: V 04.06 07-08-13 RM-849 (c) Nokia TL;DR version of the device descriptor: idVendor 0x0421 Nokia Mobile Phones idProduct 0x06c2 bcdDevice 4.06 iManufacturer 1 Nokia iProduct 2 Nokia 208 The patch assumes older firmwares are broken too (I'm unable to test, but no biggie if they aren't I guess), and I have no idea if newer firmware exists. Signed-off-by: Lubomir Rintel <lkundrak(a)v3.sk> Cc: <stable(a)vger.kernel.org> --- drivers/usb/storage/unusual_devs.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index e5ad23d86833..54f0b1c83317 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -255,6 +255,13 @@ UNUSUAL_DEV( 0x0421, 0x06aa, 0x1110, 0x1110, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_MAX_SECTORS_64 ), +/* Added by Lubomir Rintel <lkundrak(a)v3.sk>, a very fine chap */ +UNUSUAL_DEV( 0x0421, 0x06c2, 0x0000, 0x0406, + "Nokia", + "Nokia 208", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_MAX_SECTORS_64 ), + #ifdef NO_SDDR09 UNUSUAL_DEV( 0x0436, 0x0005, 0x0100, 0x0100, "Microtech", -- 2.47.1

2 days, 13 hours

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[PATCH v3] USB: core: Disable LPM only for non-suspended ports

by Kai-Heng Feng

There's USB error when tegra board is shutting down: [ 180.919315] usb 2-3: Failed to set U1 timeout to 0x0,error code -113 [ 180.919995] usb 2-3: Failed to set U1 timeout to 0xa,error code -113 [ 180.920512] usb 2-3: Failed to set U2 timeout to 0x4,error code -113 [ 186.157172] tegra-xusb 3610000.usb: xHCI host controller not responding, assume dead [ 186.157858] tegra-xusb 3610000.usb: HC died; cleaning up [ 186.317280] tegra-xusb 3610000.usb: Timeout while waiting for evaluate context command The issue is caused by disabling LPM on already suspended ports. For USB2 LPM, the LPM is already disabled during port suspend. For USB3 LPM, port won't transit to U1/U2 when it's already suspended in U3, hence disabling LPM is only needed for ports that are not suspended. Cc: Wayne Chang <waynec(a)nvidia.com> Cc: stable(a)vger.kernel.org Fixes: d920a2ed8620 ("usb: Disable USB3 LPM at shutdown") Signed-off-by: Kai-Heng Feng <kaihengf(a)nvidia.com> --- v3: Use udev->port_is_suspended which reflects upstream port status v2: Add "Cc: stable(a)vger.kernel.org" drivers/usb/core/port.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c index e7da2fca11a4..c92fb648a1c4 100644 --- a/drivers/usb/core/port.c +++ b/drivers/usb/core/port.c @@ -452,10 +452,11 @@ static int usb_port_runtime_suspend(struct device *dev) static void usb_port_shutdown(struct device *dev) { struct usb_port *port_dev = to_usb_port(dev); + struct usb_device *udev = port_dev->child; - if (port_dev->child) { - usb_disable_usb2_hardware_lpm(port_dev->child); - usb_unlocked_disable_lpm(port_dev->child); + if (udev && !udev->port_is_suspended) { + usb_disable_usb2_hardware_lpm(udev); + usb_unlocked_disable_lpm(udev); } } -- 2.47.0

2 days, 13 hours

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