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Ricardo Ribalda ee929d5a10 media: uvcvideo: Check controls flags before accessing them 
We can figure out if reading/writing a set of controls can fail without
accessing them by checking their flags.

This way we can honor the API closer:

If an error is found when validating the list of controls passed with
VIDIOC_G_EXT_CTRLS, then error_idx shall be set to ctrls->count to
indicate to userspace that no actual hardware was touched.

Fixes v4l2-compliance:
Control ioctls (Input 0):
		warn: v4l2-test-controls.cpp(765): g_ext_ctrls(0) invalid error_idx 0
                fail: v4l2-test-controls.cpp(645): invalid error index write only control
        test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL

Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-09-30 10:07:48 +02:00
..
accessibility
…
acpi
Revert "ACPI: Add memory semantics to acpi_os_map_memory()"
2021-09-23 20:39:36 +02:00
amba
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android
binder: make sure fd closes complete
2021-09-14 09:02:13 +02:00
ata
libata: Add ATA_HORKAGE_NO_NCQ_ON_ATI for Samsung 860 and 870 SSD.
2021-09-03 08:06:02 -06:00
atm
…
auxdisplay
…
base
Device properties framework fix for 5.15-rc3
2021-09-24 11:20:29 -07:00
bcma
Driver core update for 5.15-rc1
2021-09-01 08:44:42 -07:00
block
virtio,vdpa,vhost: features, fixes
2021-09-11 14:48:42 -07:00
bluetooth
Bluetooth: btusb: Remove WAKEUP_DISABLE and add WAKEUP_AUTOSUSPEND for Realtek devices
2021-08-19 17:08:31 +02:00
bus
ARM: SoC drivers for 5.15
2021-09-01 15:25:28 -07:00
cdrom
…
char
IPMI: A couple of very minor fixes for style and rate limiting
2021-09-12 11:44:58 -07:00
clk
One patch to fix an unused variable warning in a Qualcomm clk driver.
2021-09-11 10:05:56 -07:00
clocksource
- converted Pistachio platform to use MIPS generic kernel
2021-09-03 11:11:54 -07:00
comedi
comedi: Fix memory leak in compat_insnlist()
2021-09-21 17:53:54 +02:00
connector
…
counter
…
cpufreq
Power management fixes for 5.15-rc2
2021-09-17 12:05:04 -07:00
cpuidle
- Core Frameworks
2021-09-07 12:38:59 -07:00
crypto
pci-v5.15-changes
2021-09-07 19:13:42 -07:00
cxl
cxl for v5.15
2021-09-09 11:48:27 -07:00
dax
libnvdimm for v5.15
2021-09-09 11:39:57 -07:00
dca
…
devfreq
devfreq: use HZ macros
2021-09-08 11:50:26 -07:00
dio
…
dma
dmaengine updates for v5.15-rc1
2021-09-09 11:07:47 -07:00
dma-buf
dma-buf: DMABUF_SYSFS_STATS should depend on DMA_SHARED_BUFFER
2021-09-07 12:42:21 +05:30
edac
EDAC/dmc520: Assign the proper type to dimm->edac_mode
2021-09-16 11:00:12 +02:00
eisa
…
extcon
…
firewire
FireWire (IEEE 1394) subsystem updates:
2021-09-11 09:47:33 -07:00
firmware
- Add the tegra3 thermal sensor and fix the compilation testing on
2021-09-11 09:20:57 -07:00
fpga
fpga: dfl: Avoid reads to AFU CSRs during enumeration
2021-09-16 15:20:55 -07:00
fsi
…
gnss
…
gpio
gpio/rockchip: fix get_direction value handling
2021-09-22 11:31:52 +02:00
gpu
drm fixes for 5.15-rc3
2021-09-24 10:14:19 -07:00
greybus
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hid
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2021-09-02 14:30:46 -07:00
hsi
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hv
hyperv-fixes for 5.15-rc2
2021-09-15 17:18:56 -07:00
hwmon
Merge branch 'akpm' (patches from Andrew)
2021-09-08 12:55:35 -07:00
hwspinlock
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hwtracing
coresight: syscfg: Fix compiler warning
2021-09-14 09:03:16 +02:00
i2c
platform-drivers-x86 for v5.15-1
2021-09-02 13:49:39 -07:00
i3c
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idle
…
iio
Merge branch 'akpm' (patches from Andrew)
2021-09-08 12:55:35 -07:00
infiniband
RDMA v5.15 merge window 2nd Pull Request
2021-09-09 11:14:14 -07:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2021-09-11 09:08:28 -07:00
interconnect
interconnect changes for 5.15
2021-08-24 15:33:04 +02:00
iommu
virtio,vdpa,vhost: features, fixes
2021-09-11 14:48:42 -07:00
ipack
TTY / Serial patches for 5.15-rc1
2021-09-01 09:51:16 -07:00
irqchip
irqchip/gic: Work around broken Renesas integration
2021-09-22 14:44:25 +01:00
isdn
Kbuild updates for v5.15
2021-09-03 15:33:47 -07:00
leds
leds: pca955x: Switch to i2c probe_new
2021-08-20 11:00:08 +02:00
macintosh
memblock: introduce saner 'memblock_free_ptr()' interface
2021-09-14 13:23:22 -07:00
mailbox
mailbox: cmdq: add multi-gce clocks support for mt8195
2021-08-31 22:57:45 -05:00
mcb
mcb: fix error handling in mcb_alloc_bus()
2021-09-14 11:22:26 +02:00
md
md: fix a lock order reversal in md_alloc
2021-09-22 08:45:58 -07:00
media
media: uvcvideo: Check controls flags before accessing them
2021-09-30 10:07:48 +02:00
memory
…
memstick
Driver core update for 5.15-rc1
2021-09-01 08:44:42 -07:00
message
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mfd
- Core Frameworks
2021-09-07 12:38:59 -07:00
misc
misc: bcm-vk: fix tty registration race
2021-09-21 16:17:15 +02:00
mmc
Merge branch 'akpm' (patches from Andrew)
2021-09-03 10:08:28 -07:00
most
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mtd
Merge branch 'akpm' (patches from Andrew)
2021-09-08 12:55:35 -07:00
mux
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net
Networking fixes for 5.15-rc3.
2021-09-23 10:30:31 -07:00
nfc
nfc: st-nci: Add SPI ID matching DT compatible
2021-09-23 12:53:06 +01:00
ntb
Bug fixes and clean-ups for Linux v5.15
2021-09-07 13:05:02 -07:00
nubus
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nvdimm
cxl for v5.15
2021-09-09 11:48:27 -07:00
nvme
nvme: keep ctrl->namespaces ordered
2021-09-21 09:17:15 +02:00
nvmem
nvmem: NVMEM_NINTENDO_OTP should depend on WII
2021-09-21 17:38:37 +02:00
of
of: restricted dma: Fix condition for rmem init
2021-09-17 15:58:09 -05:00
opp
Merge branches 'pm-pci', 'pm-sleep', 'pm-domains' and 'powercap'
2021-08-30 19:25:42 +02:00
parisc
parisc: Move pci_dev_is_behind_card_dino to where it is used
2021-09-09 12:44:31 +02:00
parport
parisc architecture updates for kernel 5.15:
2021-09-02 13:16:00 -07:00
pci
xen: branch for v5.15-rc3
2021-09-25 15:37:31 -07:00
pcmcia
…
perf
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phy
Merge branch 'akpm' (patches from Andrew)
2021-09-08 12:55:35 -07:00
pinctrl
Kbuild updates for v5.15
2021-09-03 15:33:47 -07:00
platform
platform/x86: gigabyte-wmi: add support for B550I Aorus Pro AX
2021-09-21 15:49:23 +02:00
pnp
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power
power supply and reset changes for the v5.15 series
2021-08-30 11:47:32 -07:00
powercap
powercap: Add Power Limit4 support for Alder Lake SoC
2021-08-25 20:12:16 +02:00
pps
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ps3
…
ptp
ptp: ocp: add COMMON_CLK dependency
2021-09-20 11:11:54 +01:00
pwm
pwm: mtk-disp: Implement atomic API .get_state()
2021-09-02 22:27:46 +02:00
rapidio
…
ras
…
regulator
regulator: max14577: Revert "regulator: max14577: Add proper module aliases strings"
2021-09-17 13:16:38 +01:00
remoteproc
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reset
ARM: SoC drivers for 5.15
2021-09-01 15:25:28 -07:00
rpmsg
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rtc
rtc: cmos: Disable irq around direct invocation of cmos_interrupt()
2021-09-14 10:20:19 +02:00
s390
Networking fixes for 5.15-rc3.
2021-09-23 10:30:31 -07:00
sbus
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scsi
scsi: ses: Retry failed Send/Receive Diagnostic commands
2021-09-22 00:36:40 -04:00
sh
…
siox
…
slimbus
Driver core update for 5.15-rc1
2021-09-01 08:44:42 -07:00
soc
ARM: SoC drivers for 5.15
2021-09-01 15:25:28 -07:00
soundwire
sound updates for 5.15-rc1
2021-09-01 10:29:29 -07:00
spi
spi: Fix modalias issues
2021-09-22 11:58:24 -07:00
spmi
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ssb
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staging
media: staging: document that Imgu not output auto-exposure statistics
2021-09-30 10:07:46 +02:00
target
scsi: target: Fix spelling mistake "CONFLIFT" -> "CONFLICT"
2021-09-22 00:17:29 -04:00
tc
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tee
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thermal
thermal/drivers/tsens: Fix wrong check for tzd in irq handlers
2021-09-21 15:17:11 +02:00
thunderbolt
thunderbolt: test: split up test cases in tb_test_credit_alloc_all
2021-09-06 12:27:03 -07:00
tty
tty: unexport tty_ldisc_release
2021-09-14 11:18:47 +02:00
uio
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usb
USB-serial fixes for 5.15-rc3
2021-09-24 10:22:53 +02:00
vdpa
virtio,vdpa,vhost: features, fixes
2021-09-11 14:48:42 -07:00
vfio
VFIO update for v5.15-rc1
2021-09-02 13:41:33 -07:00
vhost
Networking fixes for 5.15-rc2, including fixes from bpf.
2021-09-16 13:05:42 -07:00
video
tgafb: clarify dependencies
2021-09-18 11:15:01 -07:00
virt
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virtio
virtio,vdpa,vhost: features, fixes
2021-09-11 14:48:42 -07:00
visorbus
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vlynq
…
vme
…
w1
…
watchdog
watchdog: ixp4xx: Rewrite driver to use core
2021-08-22 10:28:12 +02:00
xen
xen: branch for v5.15-rc3
2021-09-25 15:37:31 -07:00
zorro
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Kconfig
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Makefile
…