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[PATCH v3 0/6] media: ti, cdns: Multiple pixel support and misc fixes

by Jai Luthra

Hi, The first four patches in this series are miscellaneous fixes and improvements in the Cadence and TI CSI-RX drivers around probing, fwnode and link creation. The last two patches add support for transmitting multiple pixels per clock on the internal bus between Cadence CSI-RX bridge and TI CSI-RX wrapper. As this internal bus is 32-bit wide, the maximum number of pixels that can be transmitted per cycle depend upon the format's bit width. Secondly, the downstream element must support unpacking of multiple pixels. Thus we export a module function that can be used by the downstream driver to negotiate the pixels per cycle on the output pixel stream of the Cadence bridge. Signed-off-by: Jai Luthra <jai.luthra(a)ideasonboard.com> --- Changes in v3: - Move cdns-csi2rx header to include/media - Export symbol from cdns-csi2rx.c to be used only through the j721e-csi2rx.c module namespace - Other minor fixes suggested by Sakari - Add Abhilash's T-by tags - Link to v2: https://lore.kernel.org/r/20250410-probe_fixes-v2-0-801bc6eebdea@ideasonboa… Changes in v2: - Rebase on v6.15-rc1 - Fix lkp warnings in PATCH 5/6 missing header for FIELD_PREP - Add R-By tags from Devarsh and Changhuang - Link to v1: https://lore.kernel.org/r/20250324-probe_fixes-v1-0-5cd5b9e1cfac@ideasonboa… --- Jai Luthra (6): media: ti: j721e-csi2rx: Use devm_of_platform_populate media: ti: j721e-csi2rx: Use fwnode_get_named_child_node media: ti: j721e-csi2rx: Fix source subdev link creation media: cadence: csi2rx: Implement get_fwnode_pad op media: cadence: cdns-csi2rx: Support multiple pixels per clock cycle media: ti: j721e-csi2rx: Support multiple pixels per clock MAINTAINERS | 1 + drivers/media/platform/cadence/cdns-csi2rx.c | 74 ++++++++++++++++------ drivers/media/platform/ti/Kconfig | 3 +- .../media/platform/ti/j721e-csi2rx/j721e-csi2rx.c | 65 ++++++++++++++----- include/media/cadence/cdns-csi2rx.h | 19 ++++++ 5 files changed, 127 insertions(+), 35 deletions(-) --- base-commit: 19272b37aa4f83ca52bdf9c16d5d81bdd1354494 change-id: 20250314-probe_fixes-7e0ec33c7fee Best regards, -- Jai Luthra <jai.luthra(a)ideasonboard.com>

3 months, 3 weeks

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[PATCH v5.10] RDMA/rxe: Return CQE error if invalid lkey was supplied

by Shivani Agarwal

From: Leon Romanovsky <leonro(a)nvidia.com> [ Upstream commit dc07628bd2bbc1da768e265192c28ebd301f509d ] RXE is missing update of WQE status in LOCAL_WRITE failures. This caused the following kernel panic if someone sent an atomic operation with an explicitly wrong lkey. [leonro@vm ~]$ mkt test test_atomic_invalid_lkey (tests.test_atomic.AtomicTest) ... WARNING: CPU: 5 PID: 263 at drivers/infiniband/sw/rxe/rxe_comp.c:740 rxe_completer+0x1a6d/0x2e30 [rdma_rxe] Modules linked in: crc32_generic rdma_rxe ip6_udp_tunnel udp_tunnel rdma_ucm rdma_cm ib_umad ib_ipoib iw_cm ib_cm mlx5_ib ib_uverbs ib_core mlx5_core ptp pps_core CPU: 5 PID: 263 Comm: python3 Not tainted 5.13.0-rc1+ #2936 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:rxe_completer+0x1a6d/0x2e30 [rdma_rxe] Code: 03 0f 8e 65 0e 00 00 3b 93 10 06 00 00 0f 84 82 0a 00 00 4c 89 ff 4c 89 44 24 38 e8 2d 74 a9 e1 4c 8b 44 24 38 e9 1c f5 ff ff <0f> 0b e9 0c e8 ff ff b8 05 00 00 00 41 bf 05 00 00 00 e9 ab e7 ff RSP: 0018:ffff8880158af090 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888016a78000 RCX: ffffffffa0cf1652 RDX: 1ffff9200004b442 RSI: 0000000000000004 RDI: ffffc9000025a210 RBP: dffffc0000000000 R08: 00000000ffffffea R09: ffff88801617740b R10: ffffed1002c2ee81 R11: 0000000000000007 R12: ffff88800f3b63e8 R13: ffff888016a78008 R14: ffffc9000025a180 R15: 000000000000000c FS: 00007f88b622a740(0000) GS:ffff88806d540000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f88b5a1fa10 CR3: 000000000d848004 CR4: 0000000000370ea0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rxe_do_task+0x130/0x230 [rdma_rxe] rxe_rcv+0xb11/0x1df0 [rdma_rxe] rxe_loopback+0x157/0x1e0 [rdma_rxe] rxe_responder+0x5532/0x7620 [rdma_rxe] rxe_do_task+0x130/0x230 [rdma_rxe] rxe_rcv+0x9c8/0x1df0 [rdma_rxe] rxe_loopback+0x157/0x1e0 [rdma_rxe] rxe_requester+0x1efd/0x58c0 [rdma_rxe] rxe_do_task+0x130/0x230 [rdma_rxe] rxe_post_send+0x998/0x1860 [rdma_rxe] ib_uverbs_post_send+0xd5f/0x1220 [ib_uverbs] ib_uverbs_write+0x847/0xc80 [ib_uverbs] vfs_write+0x1c5/0x840 ksys_write+0x176/0x1d0 do_syscall_64+0x3f/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xae Fixes: 8700e3e7c485 ("Soft RoCE driver") Link: https://lore.kernel.org/r/11e7b553f3a6f5371c6bb3f57c494bb52b88af99.16207117… Signed-off-by: Leon Romanovsky <leonro(a)nvidia.com> Acked-by: Zhu Yanjun <zyjzyj2000(a)gmail.com> Signed-off-by: Jason Gunthorpe <jgg(a)nvidia.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> [Shivani: Modified to apply on 5.10.y] Signed-off-by: Shivani Agarwal <shivani.agarwal(a)broadcom.com> --- drivers/infiniband/sw/rxe/rxe_comp.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index a54d80004342..b7645de067f3 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -346,13 +346,15 @@ static inline enum comp_state do_read(struct rxe_qp *qp, ret = copy_data(qp->pd, IB_ACCESS_LOCAL_WRITE, &wqe->dma, payload_addr(pkt), payload_size(pkt), to_mem_obj, NULL); - if (ret) + if (ret) { + wqe->status = IB_WC_LOC_PROT_ERR; return COMPST_ERROR; + } if (wqe->dma.resid == 0 && (pkt->mask & RXE_END_MASK)) return COMPST_COMP_ACK; - else - return COMPST_UPDATE_COMP; + + return COMPST_UPDATE_COMP; } static inline enum comp_state do_atomic(struct rxe_qp *qp, @@ -366,10 +368,12 @@ static inline enum comp_state do_atomic(struct rxe_qp *qp, ret = copy_data(qp->pd, IB_ACCESS_LOCAL_WRITE, &wqe->dma, &atomic_orig, sizeof(u64), to_mem_obj, NULL); - if (ret) + if (ret) { + wqe->status = IB_WC_LOC_PROT_ERR; return COMPST_ERROR; - else - return COMPST_COMP_ACK; + } + + return COMPST_COMP_ACK; } static void make_send_cqe(struct rxe_qp *qp, struct rxe_send_wqe *wqe, -- 2.40.4

3 months, 3 weeks

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[PATCH v5.10] scsi: lpfc: Fix link down processing to address NULL pointer dereference

by Shivani Agarwal

From: James Smart <jsmart2021(a)gmail.com> [ Upstream commit 1854f53ccd88ad4e7568ddfafafffe71f1ceb0a6 ] If an FC link down transition while PLOGIs are outstanding to fabric well known addresses, outstanding ABTS requests may result in a NULL pointer dereference. Driver unload requests may hang with repeated "2878" log messages. The Link down processing results in ABTS requests for outstanding ELS requests. The Abort WQEs are sent for the ELSs before the driver had set the link state to down. Thus the driver is sending the Abort with the expectation that an ABTS will be sent on the wire. The Abort request is stalled waiting for the link to come up. In some conditions the driver may auto-complete the ELSs thus if the link does come up, the Abort completions may reference an invalid structure. Fix by ensuring that Abort set the flag to avoid link traffic if issued due to conditions where the link failed. Link: https://lore.kernel.org/r/20211020211417.88754-7-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee(a)broadcom.com> Signed-off-by: Justin Tee <justin.tee(a)broadcom.com> Signed-off-by: James Smart <jsmart2021(a)gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen(a)oracle.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> [Shivani: Modified to apply on 5.10.y] Signed-off-by: Shivani Agarwal <shivani.agarwal(a)broadcom.com> --- drivers/scsi/lpfc/lpfc_sli.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index ff39c596f000..49931577da38 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -11432,10 +11432,12 @@ lpfc_sli_abort_iotag_issue(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, if (cmdiocb->iocb_flag & LPFC_IO_FOF) abtsiocbp->iocb_flag |= LPFC_IO_FOF; - if (phba->link_state >= LPFC_LINK_UP) - iabt->ulpCommand = CMD_ABORT_XRI_CN; - else + if (phba->link_state < LPFC_LINK_UP || + (phba->sli_rev == LPFC_SLI_REV4 && + phba->sli4_hba.link_state.status == LPFC_FC_LA_TYPE_LINK_DOWN)) iabt->ulpCommand = CMD_CLOSE_XRI_CN; + else + iabt->ulpCommand = CMD_ABORT_XRI_CN; abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl; abtsiocbp->vport = vport; -- 2.40.4

3 months, 3 weeks

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[merged mm-hotfixes-stable] proc-proc_maps_open-allow-proc_mem_open-to-return-null.patch removed from -mm tree

by Andrew Morton

The quilt patch titled Subject: proc: proc_maps_open allow proc_mem_open to return NULL has been removed from the -mm tree. Its filename was proc-proc_maps_open-allow-proc_mem_open-to-return-null.patch This patch was dropped because it was merged into the mm-hotfixes-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Jialin Wang <wjl.linux(a)gmail.com> Subject: proc: proc_maps_open allow proc_mem_open to return NULL Date: Fri, 8 Aug 2025 00:54:55 +0800 The commit 65c66047259f ("proc: fix the issue of proc_mem_open returning NULL") caused proc_maps_open() to return -ESRCH when proc_mem_open() returns NULL. This breaks legitimate /proc/<pid>/maps access for kernel threads since kernel threads have NULL mm_struct. The regression causes perf to fail and exit when profiling a kernel thread: # perf record -v -g -p $(pgrep kswapd0) ... couldn't open /proc/65/task/65/maps This patch partially reverts the commit to fix it. Link: https://lkml.kernel.org/r/20250807165455.73656-1-wjl.linux@gmail.com Fixes: 65c66047259f ("proc: fix the issue of proc_mem_open returning NULL") Signed-off-by: Jialin Wang <wjl.linux(a)gmail.com> Cc: Penglei Jiang <superman.xpt(a)gmail.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- fs/proc/task_mmu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/fs/proc/task_mmu.c~proc-proc_maps_open-allow-proc_mem_open-to-return-null +++ a/fs/proc/task_mmu.c @@ -340,8 +340,8 @@ static int proc_maps_open(struct inode * priv->inode = inode; priv->mm = proc_mem_open(inode, PTRACE_MODE_READ); - if (IS_ERR_OR_NULL(priv->mm)) { - int err = priv->mm ? PTR_ERR(priv->mm) : -ESRCH; + if (IS_ERR(priv->mm)) { + int err = PTR_ERR(priv->mm); seq_release_private(inode, file); return err; _ Patches currently in -mm which might be from wjl.linux(a)gmail.com are

3 months, 3 weeks

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[merged mm-hotfixes-stable] userfaultfd-fix-a-crash-in-uffdio_move-when-pmd-is-a-migration-entry.patch removed from -mm tree

by Andrew Morton

The quilt patch titled Subject: userfaultfd: fix a crash in UFFDIO_MOVE when PMD is a migration entry has been removed from the -mm tree. Its filename was userfaultfd-fix-a-crash-in-uffdio_move-when-pmd-is-a-migration-entry.patch This patch was dropped because it was merged into the mm-hotfixes-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Suren Baghdasaryan <surenb(a)google.com> Subject: userfaultfd: fix a crash in UFFDIO_MOVE when PMD is a migration entry Date: Wed, 6 Aug 2025 15:00:22 -0700 When UFFDIO_MOVE encounters a migration PMD entry, it proceeds with obtaining a folio and accessing it even though the entry is swp_entry_t. Add the missing check and let split_huge_pmd() handle migration entries. While at it also remove unnecessary folio check. [surenb(a)google.com: remove extra folio check, per David] Link: https://lkml.kernel.org/r/20250807200418.1963585-1-surenb@google.com Link: https://lkml.kernel.org/r/20250806220022.926763-1-surenb@google.com Fixes: adef440691ba ("userfaultfd: UFFDIO_MOVE uABI") Signed-off-by: Suren Baghdasaryan <surenb(a)google.com> Reported-by: syzbot+b446dbe27035ef6bd6c2(a)syzkaller.appspotmail.com Closes: https://lore.kernel.org/all/68794b5c.a70a0220.693ce.0050.GAE@google.com/ Reviewed-by: Peter Xu <peterx(a)redhat.com> Acked-by: David Hildenbrand <david(a)redhat.com> Cc: Andrea Arcangeli <aarcange(a)redhat.com> Cc: Lokesh Gidra <lokeshgidra(a)google.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- mm/userfaultfd.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) --- a/mm/userfaultfd.c~userfaultfd-fix-a-crash-in-uffdio_move-when-pmd-is-a-migration-entry +++ a/mm/userfaultfd.c @@ -1821,13 +1821,16 @@ ssize_t move_pages(struct userfaultfd_ct /* Check if we can move the pmd without splitting it. */ if (move_splits_huge_pmd(dst_addr, src_addr, src_start + len) || !pmd_none(dst_pmdval)) { - struct folio *folio = pmd_folio(*src_pmd); + /* Can be a migration entry */ + if (pmd_present(*src_pmd)) { + struct folio *folio = pmd_folio(*src_pmd); - if (!folio || (!is_huge_zero_folio(folio) && - !PageAnonExclusive(&folio->page))) { - spin_unlock(ptl); - err = -EBUSY; - break; + if (!is_huge_zero_folio(folio) && + !PageAnonExclusive(&folio->page)) { + spin_unlock(ptl); + err = -EBUSY; + break; + } } spin_unlock(ptl); _ Patches currently in -mm which might be from surenb(a)google.com are mm-limit-the-scope-of-vma_start_read.patch mm-change-vma_start_read-to-drop-rcu-lock-on-failure.patch selftests-proc-test-procmap_query-ioctl-while-vma-is-concurrently-modified.patch fs-proc-task_mmu-factor-out-proc_maps_private-fields-used-by-procmap_query.patch fs-proc-task_mmu-execute-procmap_query-ioctl-under-per-vma-locks.patch

3 months, 3 weeks

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[PATCH 6.1] Bluetooth: hci_sync: Fix UAF on hci_abort_conn_sync

by Sumanth Gavini

commit 5af1f84ed13a416297ab9ced7537f4d5ae7f329a upstream. Connections may be cleanup while waiting for the commands to complete so this attempts to check if the connection handle remains valid in case of errors that would lead to call hci_conn_failed: BUG: KASAN: slab-use-after-free in hci_conn_failed+0x1f/0x160 Read of size 8 at addr ffff888001376958 by task kworker/u3:0/52 CPU: 0 PID: 52 Comm: kworker/u3:0 Not tainted 6.5.0-rc1-00527-g2dfe76d58d3a #5615 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-1.fc38 04/01/2014 Workqueue: hci0 hci_cmd_sync_work Call Trace: <TASK> dump_stack_lvl+0x1d/0x70 print_report+0xce/0x620 ? __virt_addr_valid+0xd4/0x150 ? hci_conn_failed+0x1f/0x160 kasan_report+0xd1/0x100 ? hci_conn_failed+0x1f/0x160 hci_conn_failed+0x1f/0x160 hci_abort_conn_sync+0x237/0x360 Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz(a)intel.com> Signed-off-by: Sumanth Gavini <sumanth.gavini(a)yahoo.com> --- net/bluetooth/hci_sync.c | 43 +++++++++++++++++++++++++++------------- 1 file changed, 29 insertions(+), 14 deletions(-) diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index 3f905ee4338f..acff47da799a 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -5525,31 +5525,46 @@ static int hci_reject_conn_sync(struct hci_dev *hdev, struct hci_conn *conn, int hci_abort_conn_sync(struct hci_dev *hdev, struct hci_conn *conn, u8 reason) { - int err; + int err = 0; + u16 handle = conn->handle; switch (conn->state) { case BT_CONNECTED: case BT_CONFIG: - return hci_disconnect_sync(hdev, conn, reason); + err = hci_disconnect_sync(hdev, conn, reason); + break; case BT_CONNECT: err = hci_connect_cancel_sync(hdev, conn); - /* Cleanup hci_conn object if it cannot be cancelled as it - * likelly means the controller and host stack are out of sync. - */ - if (err) { - hci_dev_lock(hdev); - hci_conn_failed(conn, err); - hci_dev_unlock(hdev); - } - return err; + break; case BT_CONNECT2: - return hci_reject_conn_sync(hdev, conn, reason); + err = hci_reject_conn_sync(hdev, conn, reason); + break; default: conn->state = BT_CLOSED; - break; + return 0; } - return 0; + /* Cleanup hci_conn object if it cannot be cancelled as it + * likelly means the controller and host stack are out of sync + * or in case of LE it was still scanning so it can be cleanup + * safely. + */ + if (err) { + struct hci_conn *c; + + /* Check if the connection hasn't been cleanup while waiting + * commands to complete. + */ + c = hci_conn_hash_lookup_handle(hdev, handle); + if (!c || c != conn) + return 0; + + hci_dev_lock(hdev); + hci_conn_failed(conn, err); + hci_dev_unlock(hdev); + } + + return err; } static int hci_disconnect_all_sync(struct hci_dev *hdev, u8 reason) -- 2.43.0

3 months, 3 weeks

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[PATCH v2] net: usb: qmi_wwan: add Telit Cinterion FN990A w/audio composition

by Fabio Porcedda

Add the following Telit Cinterion FN990A w/audio composition: 0x1077: tty (diag) + adb + rmnet + audio + tty (AT/NMEA) + tty (AT) + tty (AT) + tty (AT) T: Bus=01 Lev=01 Prnt=01 Port=09 Cnt=01 Dev#= 8 Spd=480 MxCh= 0 D: Ver= 2.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1bc7 ProdID=1077 Rev=05.04 S: Manufacturer=Telit Wireless Solutions S: Product=FN990 S: SerialNumber=67e04c35 C: #Ifs=10 Cfg#= 1 Atr=e0 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I: If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none) E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan E: Ad=0f(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=83(I) Atr=03(Int.) MxPS= 8 Ivl=32ms E: Ad=8e(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I: If#= 3 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=20 Driver=snd-usb-audio I: If#= 4 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=20 Driver=snd-usb-audio E: Ad=03(O) Atr=0d(Isoc) MxPS= 68 Ivl=1ms I: If#= 5 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=20 Driver=snd-usb-audio E: Ad=84(I) Atr=0d(Isoc) MxPS= 68 Ivl=1ms I: If#= 6 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=60 Driver=option E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=86(I) Atr=03(Int.) MxPS= 10 Ivl=32ms I: If#= 7 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=88(I) Atr=03(Int.) MxPS= 10 Ivl=32ms I: If#= 8 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=8a(I) Atr=03(Int.) MxPS= 10 Ivl=32ms I: If#= 9 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option E: Ad=07(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=8b(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=8c(I) Atr=03(Int.) MxPS= 10 Ivl=32ms Cc: stable(a)vger.kernel.org Depends-on: ad1664fb6990 ("net: usb: qmi_wwan: fix Telit Cinterion FN990A name") Depends-on: 5728b289abbb ("net: usb: qmi_wwan: fix Telit Cinterion FE990A name") Signed-off-by: Fabio Porcedda <fabio.porcedda(a)gmail.com> Acked-by: Bjørn Mork <bjorn(a)mork.no> --- v2: - add Depends-on - add Acked-by Bjørn Mork <bjorn(a)mork.no> drivers/net/usb/qmi_wwan.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index f5647ee0adde..e56901bb6ebc 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1361,6 +1361,7 @@ static const struct usb_device_id products[] = { {QMI_QUIRK_SET_DTR(0x1bc7, 0x1057, 2)}, /* Telit FN980 */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1060, 2)}, /* Telit LN920 */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1070, 2)}, /* Telit FN990A */ + {QMI_QUIRK_SET_DTR(0x1bc7, 0x1077, 2)}, /* Telit FN990A w/audio */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1080, 2)}, /* Telit FE990A */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x10a0, 0)}, /* Telit FN920C04 */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x10a4, 0)}, /* Telit FN920C04 */ -- 2.50.1

3 months, 3 weeks

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+ init-handle-bootloader-identifier-in-kernel-parameters.patch added to mm-nonmm-unstable branch

by Andrew Morton

The patch titled Subject: init: handle bootloader identifier in kernel parameters has been added to the -mm mm-nonmm-unstable branch. Its filename is init-handle-bootloader-identifier-in-kernel-parameters.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patche… This patch will later appear in the mm-nonmm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Huacai Chen <chenhuacai(a)loongson.cn> Subject: init: handle bootloader identifier in kernel parameters Date: Mon, 21 Jul 2025 18:13:43 +0800 BootLoader (Grub, LILO, etc) may pass an identifier such as "BOOT_IMAGE= /boot/vmlinuz-x.y.z" to kernel parameters. But these identifiers are not recognized by the kernel itself so will be passed to user space. However user space init program also doesn't recognized it. KEXEC/KDUMP (kexec-tools) may also pass an identifier such as "kexec" on some architectures. We cannot change BootLoader's behavior, because this behavior exists for many years, and there are already user space programs search BOOT_IMAGE= in /proc/cmdline to obtain the kernel image locations: https://github.com/linuxdeepin/deepin-ab-recovery/blob/master/util.go (search getBootOptions) https://github.com/linuxdeepin/deepin-ab-recovery/blob/master/main.go (search getKernelReleaseWithBootOption) So the the best way is handle (ignore) it by the kernel itself, which can avoid such boot warnings (if we use something like init=/bin/bash, bootloader identifier can even cause a crash): Kernel command line: BOOT_IMAGE=(hd0,1)/vmlinuz-6.x root=/dev/sda3 ro console=tty Unknown kernel command line parameters "BOOT_IMAGE=(hd0,1)/vmlinuz-6.x", will be passed to user space. Link: https://lkml.kernel.org/r/20250721101343.3283480-1-chenhuacai@loongson.cn Signed-off-by: Huacai Chen <chenhuacai(a)loongson.cn> Cc: Al Viro <viro(a)zeniv.linux.org.uk> Cc: Christian Brauner <brauner(a)kernel.org> Cc: Jan Kara <jack(a)suse.cz> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- init/main.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) --- a/init/main.c~init-handle-bootloader-identifier-in-kernel-parameters +++ a/init/main.c @@ -544,6 +544,12 @@ static int __init unknown_bootoption(cha 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)) @@ -551,6 +557,12 @@ static int __init unknown_bootoption(cha repair_env_string(param, val); + /* Handle bootloader identifier */ + for (int i = 0; bootloader[i]; i++) { + if (!strncmp(param, bootloader[i], strlen(bootloader[i]))) + return 0; + } + /* Handle obsolete-style parameters */ if (obsolete_checksetup(param)) return 0; _ Patches currently in -mm which might be from chenhuacai(a)loongson.cn are init-handle-bootloader-identifier-in-kernel-parameters.patch

3 months, 3 weeks

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+ mm-damon-core-fix-commit_ops_filters-by-using-correct-nth-function.patch added to mm-hotfixes-unstable branch

by Andrew Morton

The patch titled Subject: mm/damon/core: fix commit_ops_filters by using correct nth function has been added to the -mm mm-hotfixes-unstable branch. Its filename is mm-damon-core-fix-commit_ops_filters-by-using-correct-nth-function.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patche… This patch will later appear in the mm-hotfixes-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Sang-Heon Jeon <ekffu200098(a)gmail.com> Subject: mm/damon/core: fix commit_ops_filters by using correct nth function Date: Sun, 10 Aug 2025 21:42:01 +0900 damos_commit_ops_filters() incorrectly uses damos_nth_filter() which iterates core_filters. As a result, performing a commit unintentionally corrupts ops_filters. Add damos_nth_ops_filter() which iterates ops_filters. Use this function to fix issues caused by wrong iteration. Link: https://lkml.kernel.org/r/20250810124201.15743-1-ekffu200098@gmail.com Fixes: 3607cc590f18 ("mm/damon/core: support committing ops_filters") # 6.15.x Signed-off-by: Sang-Heon Jeon <ekffu200098(a)gmail.com> Reviewed-by: SeongJae Park <sj(a)kernel.org> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- mm/damon/core.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) --- a/mm/damon/core.c~mm-damon-core-fix-commit_ops_filters-by-using-correct-nth-function +++ a/mm/damon/core.c @@ -845,6 +845,18 @@ static struct damos_filter *damos_nth_fi return NULL; } +static struct damos_filter *damos_nth_ops_filter(int n, struct damos *s) +{ + struct damos_filter *filter; + int i = 0; + + damos_for_each_ops_filter(filter, s) { + if (i++ == n) + return filter; + } + return NULL; +} + static void damos_commit_filter_arg( struct damos_filter *dst, struct damos_filter *src) { @@ -908,7 +920,7 @@ static int damos_commit_ops_filters(stru int i = 0, j = 0; damos_for_each_ops_filter_safe(dst_filter, next, dst) { - src_filter = damos_nth_filter(i++, src); + src_filter = damos_nth_ops_filter(i++, src); if (src_filter) damos_commit_filter(dst_filter, src_filter); else _ Patches currently in -mm which might be from ekffu200098(a)gmail.com are mm-damon-core-fix-commit_ops_filters-by-using-correct-nth-function.patch mm-damon-update-expired-description-of-damos_action.patch docs-mm-damon-design-fix-typo-s-sz_trtied-sz_tried.patch

3 months, 3 weeks

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