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Vandana BN 25f5765521 media: v4l2-core: correctly validate video and metadata ioctls 
[ Upstream commit 96f49c1ac3 ]

If the type is VFL_TYPE_GRABBER, then also check device_caps
to see if the video device supports video and/or metadata and
disable unneeded ioctls.

Without this change, format ioctls for both video and metadata devices
could be called on both device nodes. This is true for other ioctls as
well, even if the device supports only video or metadata.

Metadata devices act similar to VBI devices w.r.t. which ioctls should
be enabled. This makes sense since VBI *is* metadata.

Signed-off-by: Vandana BN <bnvandana@gmail.com>
Co-developed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Stable-dep-of: d0b07f712b ("media: ttpci: fix two memleaks in budget_av_attach")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-26 18:22:22 -04:00
arch crypto: arm/sha - fix function cast warnings 2024-03-26 18:22:21 -04:00
block block: sed-opal: handle empty atoms when parsing response 2024-03-26 18:22:12 -04:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:11:22 +02:00
crypto crypto: api - Disallow identical driver names 2024-02-23 08:24:48 +01:00
Documentation net: sysfs: Fix /sys/class/net/<iface> path 2024-02-23 08:25:05 +01:00
drivers media: v4l2-core: correctly validate video and metadata ioctls 2024-03-26 18:22:22 -04:00
fs quota: Fix rcu annotations of inode dquot pointers 2024-03-26 18:22:20 -04:00
include drm: Don't treat 0 as -1 in drm_fixp2int_ceil 2024-03-26 18:22:19 -04:00
init rootfs: Fix support for rootfstype= when root= is given 2024-01-25 14:34:30 -08:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:23:06 +01:00
kernel bpf: Fix stackmap overflow check on 32-bit arches 2024-03-26 18:22:17 -04:00
lib net: blackhole_dev: fix build warning for ethh set but not used 2024-03-26 18:22:15 -04:00
LICENSES LICENSES: Rename other to deprecated 2019-05-03 06:34:32 -06:00
mm userfaultfd: fix mmap_changing checking in mfill_atomic_hugetlb 2024-03-01 13:13:33 +01:00
net net/x25: fix incorrect parameter validation in the x25_getsockopt() function 2024-03-26 18:22:18 -04:00
samples samples/bpf: Fix buffer overflow in tcp_basertt 2023-07-27 08:37:07 +02:00
scripts scripts/bpf: Fix xdp_md forward declaration typo 2024-03-01 13:13:38 +01:00
security lsm: new security_file_ioctl_compat() hook 2024-02-23 08:25:15 +01:00
sound ASoC: meson: axg-tdm-interface: fix mclk setup without mclk-fs 2024-03-26 18:22:22 -04:00
tools perf stat: Avoid metric-only segv 2024-03-26 18:22:20 -04:00
usr initramfs: restore default compression behavior 2020-04-08 09:08:38 +02:00
virt KVM: arm64: vgic-its: Test for valid IRQ in MOVALL handler 2024-03-01 13:13:32 +01:00
.clang-format clang-format: Update with the latest for_each macro list 2019-08-31 10:00:51 +02:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes
.gitignore Modules updates for v5.4 2019-09-22 10:34:46 -07:00
.mailmap ARM: SoC fixes 2019-11-10 13:41:59 -08:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer 2019-10-10 08:12:51 -07:00
Kbuild kbuild: do not descend to ./Kbuild when cleaning 2019-08-21 21:03:58 +09:00
Kconfig docs: kbuild: convert docs to ReST and rename to *.rst 2019-06-14 14:21:21 -06:00
MAINTAINERS iio: stx104: Move to addac subdirectory 2023-08-30 16:27:12 +02:00
Makefile Linux 5.4.272 2024-03-15 14:40:56 -04:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.