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Filename Latest commit message Latest commit date
Vladimir Zapolskiy fe443b3fe3 media: camss: Clean up received buffers on failed start of streaming 
[ Upstream commit c8f3582345e6a69da65ab588f7c4c2d1685b0e80 ]

It is required to return the received buffers, if streaming can not be
started. For instance media_pipeline_start() may fail with EPIPE, if
a link validation between entities is not passed, and in such a case
a user gets a kernel warning:

  WARNING: CPU: 1 PID: 520 at drivers/media/common/videobuf2/videobuf2-core.c:1592 vb2_start_streaming+0xec/0x160
  <snip>
  Call trace:
   vb2_start_streaming+0xec/0x160
   vb2_core_streamon+0x9c/0x1a0
   vb2_ioctl_streamon+0x68/0xbc
   v4l_streamon+0x30/0x3c
   __video_do_ioctl+0x184/0x3e0
   video_usercopy+0x37c/0x7b0
   video_ioctl2+0x24/0x40
   v4l2_ioctl+0x4c/0x70

The fix is to correct the error path in video_start_streaming() of camss.

Fixes: 0ac2586c41 ("media: camss: Add files which handle the video device nodes")
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-01-18 11:41:02 +01:00
arch MIPS: OCTEON: warn only once if deprecated link status is being used 2023-01-18 11:40:58 +01:00
block block: unhash blkdev part inode when the part is deleted 2022-12-19 12:24:16 +01:00
certs
crypto
Documentation spi: Update reference to struct spi_controller 2023-01-18 11:41:01 +01:00
drivers media: camss: Clean up received buffers on failed start of streaming 2023-01-18 11:41:02 +01:00
fs hfs: Fix OOB Write in hfs_asc2mac 2023-01-18 11:40:59 +01:00
include eventfd: change int to __u64 in eventfd_signal() ifndef CONFIG_EVENTFD 2023-01-18 11:40:58 +01:00
init
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:23:06 +01:00
kernel bpf: propagate precision in ALU/ALU64 operations 2023-01-18 11:41:02 +01:00
lib lib/notifier-error-inject: fix error when writing -errno to debugfs file 2023-01-18 11:40:55 +01:00
LICENSES
mm mm/hugetlb: fix races when looking up a CONT-PTE/PMD size hugetlb page 2022-12-19 12:24:15 +01:00
net Bluetooth: L2CAP: Fix u8 overflow 2023-01-18 11:40:49 +01:00
samples
scripts
security ima: Handle -ESTALE returned by ima_filter_rule_match() 2023-01-18 11:41:01 +01:00
sound ASoC: ops: Correct bounds check for second channel on SX controls 2022-12-19 12:24:16 +01:00
tools selftests/efivarfs: Add checking of the test return value 2023-01-18 11:40:54 +01:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
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Makefile Linux 5.4.228 2022-12-19 12:24:17 +01:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.