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linux/drivers/media/pci
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Stanislaw Gruszka 1496ec94bd media: intel/ipu6: remove cpu latency qos request on error 
commit facb541ff0 upstream.

Fix cpu latency qos list corruption like below. It happens when
we do not remove cpu latency request on error path and free
corresponding memory.

[   30.634378] l7 kernel: list_add corruption. prev->next should be next (ffffffff9645e960), but was 0000000100100001. (prev=ffff8e9e877e20a8).
[   30.634388] l7 kernel: WARNING: CPU: 2 PID: 2008 at lib/list_debug.c:32 __list_add_valid_or_report+0x83/0xa0
<snip>
[   30.634640] l7 kernel: Call Trace:
[   30.634650] l7 kernel:  <TASK>
[   30.634659] l7 kernel:  ? __list_add_valid_or_report+0x83/0xa0
[   30.634669] l7 kernel:  ? __warn.cold+0x93/0xf6
[   30.634678] l7 kernel:  ? __list_add_valid_or_report+0x83/0xa0
[   30.634690] l7 kernel:  ? report_bug+0xff/0x140
[   30.634702] l7 kernel:  ? handle_bug+0x58/0x90
[   30.634712] l7 kernel:  ? exc_invalid_op+0x17/0x70
[   30.634723] l7 kernel:  ? asm_exc_invalid_op+0x1a/0x20
[   30.634733] l7 kernel:  ? __list_add_valid_or_report+0x83/0xa0
[   30.634742] l7 kernel:  plist_add+0xdd/0x140
[   30.634754] l7 kernel:  pm_qos_update_target+0xa0/0x1f0
[   30.634764] l7 kernel:  cpu_latency_qos_update_request+0x61/0xc0
[   30.634773] l7 kernel:  intel_dp_aux_xfer+0x4c7/0x6e0 [i915 1f824655ed04687c2b0d23dbce759fa785f6d033]

Reported-by: Genes Lists <lists@sapience.com>
Closes: https://lore.kernel.org/linux-media/c0e94be466b367f1a3cfdc3cb7b1a4f47e5953ae.camel@sapience.com/
Fixes: f50c4ca0a8 ("media: intel/ipu6: add the main input system driver")
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-02-17 10:05:33 +01:00
..
b2c2 media: b2c2: Add missing check in flexcop_pci_isr: 2021-11-19 15:40:09 +00:00
bt8xx move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
cobalt media: cobalt: Use pad variant of dv timing subdev calls 2024-04-09 08:15:04 +02:00
cx18 media: pci: cx18: Use flex arrays for struct cx18_scb 2024-05-31 13:51:16 +02:00
cx88 media: videobuf2: core: Rename min_buffers_needed field in vb2_queue 2023-12-13 17:31:27 +01:00
cx23885 media: pci: cx23885: check cx23885_vdev_init() return 2024-02-05 12:57:44 +01:00
cx25821 media: videobuf2: core: Rename min_buffers_needed field in vb2_queue 2023-12-13 17:31:27 +01:00
ddbridge media: Convert from tasklet to BH workqueue 2024-06-21 08:57:09 +02:00
dm1105 media: add HAS_IOPORT dependencies 2023-06-28 11:09:25 +02:00
dt3155 media: pci: dt315.h: Fix kerneldoc 2024-02-05 12:57:45 +01:00
intel media: intel/ipu6: remove cpu latency qos request on error 2025-02-17 10:05:33 +01:00
ivtv media: pci: add missing MODULE_DESCRIPTION() macros 2024-06-15 10:49:20 +02:00
mantis media: Convert from tasklet to BH workqueue 2024-06-21 08:57:09 +02:00
mgb4 media: mgb4: protect driver against spectre 2024-10-18 10:43:03 +02:00
netup_unidvb media: netup_unidvb: Use min macro 2024-05-03 11:12:43 +01:00
ngene media: Convert from tasklet to BH workqueue 2024-06-21 08:57:09 +02:00
pluto2 media: switch from 'pci_' to 'dma_' API 2021-09-30 10:07:55 +02:00
pt1 media: switch from 'pci_' to 'dma_' API 2021-09-30 10:07:55 +02:00
pt3 media: pt3: Use dma_set_mask_and_coherent() and simplify code 2022-12-07 17:58:46 +01:00
saa7134 media updates for v6.11-rc1 2024-07-17 18:30:10 -07:00
saa7146 media: pci: saa7146: advertise only those TV standard that are supported 2023-04-15 08:56:05 +01:00
saa7164 media: pci: saa7164: replace BUG with error return 2023-07-25 09:24:31 +02:00
smipcie media: Convert from tasklet to BH workqueue 2024-06-21 08:57:09 +02:00
solo6x10 media: solo6x10: use 'time_left' variable with wait_for_completion_timeout() 2024-08-09 07:56:39 +02:00
sta2x11 media: sta2x11: fix irq handler cast 2024-02-16 11:46:33 +01:00
ttpci media: Convert from tasklet to BH workqueue 2024-06-21 08:57:09 +02:00
tw68 media: videobuf2: core: Rename min_buffers_needed field in vb2_queue 2023-12-13 17:31:27 +01:00
tw686x media: videobuf2: core: Rename min_buffers_needed field in vb2_queue 2023-12-13 17:31:27 +01:00
tw5864 media: Convert from tasklet to BH workqueue 2024-06-21 08:57:09 +02:00
zoran media: videobuf2: core: Rename min_buffers_needed field in vb2_queue 2023-12-13 17:31:27 +01:00
Kconfig media: pci: mgb4: Added Digiteq Automotive MGB4 driver 2023-10-07 10:51:58 +02:00
Makefile media: pci: mgb4: Added Digiteq Automotive MGB4 driver 2023-10-07 10:51:58 +02:00