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Merge tag 'media/v5.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- some fixes at CEC core to comply with HDMI 2.0 specs and fix some
border cases
- a fix at the transmission logic of the pulse8-cec driver
- one alignment fix on a data struct at ipu3 when built with 32 bits
* tag 'media/v5.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: intel-ipu3: Align struct ipu3_uapi_awb_fr_config_s to 32 bytes
media: pulse8-cec: fix lost cec_transmit_attempt_done() call
media: cec: check 'transmit_in_progress', not 'transmitting'
media: cec: avoid decrementing transmit_queue_sz if it is 0
media: cec: CEC 2.0-only bcast messages were ignored
The periodic PING command could interfere with the result of
a CEC transmit, causing a lost cec_transmit_attempt_done()
call.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: <stable@vger.kernel.org> # for v4.10 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Currently wait_event_interruptible_timeout is called in cec_thread_func()
when adap->transmitting is set. But if the adapter is unconfigured
while transmitting, then adap->transmitting is set to NULL. But the
hardware is still actually transmitting the message, and that's
indicated by adap->transmit_in_progress and we should wait until that
is finished or times out before transmitting new messages.
As the original commit says: adap->transmitting is the userspace view,
adap->transmit_in_progress reflects the hardware state.
However, if adap->transmitting is NULL and adap->transmit_in_progress
is true, then wait_event_interruptible is called (no timeout), which
can get stuck indefinitely if the CEC driver is flaky and never marks
the transmit-in-progress as 'done'.
So test against transmit_in_progress when deciding whether to use
the timeout variant or not, instead of testing against adap->transmitting.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fixes: 32804fcb61 ("media: cec: keep track of outstanding transmits")
Cc: <stable@vger.kernel.org> # for v4.19 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
WARN if transmit_queue_sz is 0 but do not decrement it.
The CEC adapter will become unresponsive if it goes below
0 since then it thinks there are 4 billion messages in the
queue.
Obviously this should not happen, but a driver bug could
cause this.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: <stable@vger.kernel.org> # for v4.12 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Some messages are allowed to be a broadcast message in CEC 2.0
only, and should be ignored by CEC 1.4 devices.
Unfortunately, the check was wrong, causing such messages to be
marked as invalid under CEC 2.0.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: <stable@vger.kernel.org> # for v4.10 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Replace all the occurrences of FIELD_SIZEOF() with sizeof_field() except
at places where these are defined. Later patches will remove the unused
definition of FIELD_SIZEOF().
This patch is generated using following script:
EXCLUDE_FILES="include/linux/stddef.h|include/linux/kernel.h"
git grep -l -e "\bFIELD_SIZEOF\b" | while read file;
do
if [[ "$file" =~ $EXCLUDE_FILES ]]; then
continue
fi
sed -i -e 's/\bFIELD_SIZEOF\b/sizeof_field/g' $file;
done
Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Link: https://lore.kernel.org/r/20190924105839.110713-3-pankaj.laxminarayan.bharadiya@intel.com
Co-developed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: David Miller <davem@davemloft.net> # for net
As part of the cleanup of some remaining y2038 issues, I came to
fs/compat_ioctl.c, which still has a couple of commands that need support
for time64_t.
In completely unrelated work, I spent time on cleaning up parts of this
file in the past, moving things out into drivers instead.
After Al Viro reviewed an earlier version of this series and did a lot
more of that cleanup, I decided to try to completely eliminate the rest
of it and move it all into drivers.
This series incorporates some of Al's work and many patches of my own,
but in the end stops short of actually removing the last part, which is
the scsi ioctl handlers. I have patches for those as well, but they need
more testing or possibly a rewrite.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'compat-ioctl-5.5' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground
Pull removal of most of fs/compat_ioctl.c from Arnd Bergmann:
"As part of the cleanup of some remaining y2038 issues, I came to
fs/compat_ioctl.c, which still has a couple of commands that need
support for time64_t.
In completely unrelated work, I spent time on cleaning up parts of
this file in the past, moving things out into drivers instead.
After Al Viro reviewed an earlier version of this series and did a lot
more of that cleanup, I decided to try to completely eliminate the
rest of it and move it all into drivers.
This series incorporates some of Al's work and many patches of my own,
but in the end stops short of actually removing the last part, which
is the scsi ioctl handlers. I have patches for those as well, but they
need more testing or possibly a rewrite"
* tag 'compat-ioctl-5.5' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground: (42 commits)
scsi: sd: enable compat ioctls for sed-opal
pktcdvd: add compat_ioctl handler
compat_ioctl: move SG_GET_REQUEST_TABLE handling
compat_ioctl: ppp: move simple commands into ppp_generic.c
compat_ioctl: handle PPPIOCGIDLE for 64-bit time_t
compat_ioctl: move PPPIOCSCOMPRESS to ppp_generic
compat_ioctl: unify copy-in of ppp filters
tty: handle compat PPP ioctls
compat_ioctl: move SIOCOUTQ out of compat_ioctl.c
compat_ioctl: handle SIOCOUTQNSD
af_unix: add compat_ioctl support
compat_ioctl: reimplement SG_IO handling
compat_ioctl: move WDIOC handling into wdt drivers
fs: compat_ioctl: move FITRIM emulation into file systems
gfs2: add compat_ioctl support
compat_ioctl: remove unused convert_in_user macro
compat_ioctl: remove last RAID handling code
compat_ioctl: remove /dev/raw ioctl translation
compat_ioctl: remove PCI ioctl translation
compat_ioctl: remove joystick ioctl translation
...
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Merge tag 'drm-next-2019-11-27' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Lots of stuff in here, though it hasn't been too insane this merge
apart from dealing with the security fun.
uapi:
- export different colorspace properties on DP vs HDMI
- new fourcc for ARM 16x16 block format
- syncobj: allow querying last submitted timeline value
- DRM_FORMAT_BIG_ENDIAN defined as unsigned
core:
- allow using gem vma manager in ttm
- connector/encoder/bridge doc fixes
- allow more than 3 encoders for a connector
- displayport mst suspend/resume reprobing support
- vram lazy unmapping, uniform vram mm and gem vram
- edid cleanups + AVI informframe bar info
- displayport helpers - dpcd parser added
dp_cec:
- Allow a connector to be associated with a cec device
ttm:
- pipelining with no_gpu_wait fix
- always keep BOs on the LRU
sched:
- allow free_job routine to sleep
i915:
- Block userptr from mappable GTT
- i915 perf uapi versioning
- OA stream dynamic reconfiguration
- make context persistence optional
- introduce DRM_I915_UNSTABLE Kconfig
- add fake lmem testing under unstable
- BT.2020 support for DP MSA
- struct mutex elimination
- Tigerlake display/PLL/power management improvements
- Jasper Lake PCH support
- refactor PMU for multiple GPUs
- Icelake firmware update
- Split out vga + switcheroo code
amdgpu:
- implement dma-buf import/export without helpers
- vega20 RAS enablement
- DC i2c over aux fixes
- renoir GPU reset
- DC HDCP support
- BACO support for CI/VI asics
- MSI-X support
- Arcturus EEPROM support
- Arcturus VCN encode support
- VCN dynamic powergating on RV/RV2
amdkfd:
- add navi12/14/renoir support to kfd
radeon:
- SI dpm fix ported from amdgpu
- fix bad DMA on ppc platforms
gma500:
- memory leak fixes
qxl:
- convert to new gem mmap
exynos:
- build warning fix
komeda:
- add aclk sysfs attribute
v3d:
- userspace cleanup uapi change
i810:
- fix for underflow in dispatch ioctls
ast:
- refactor show_cursor
mgag200:
- refactor show_cursor
arcgpu:
- encoder finding improvements
mediatek:
- mipi_tx, dsi and partial crtc support for MT8183 SoC
- rotation support
meson:
- add suspend/resume support
omap:
- misc refactors
tegra:
- DisplayPort support for Tegra 210, 186 and 194.
- IOMMU-backed DMA API fixes
panfrost:
- fix lockdep issue
- simplify devfreq integration
rcar-du:
- R8A774B1 SoC support
- fixes for H2 ES2.0
sun4i:
- vcc-dsi regulator support
virtio-gpu:
- vmexit vs spinlock fix
- move to gem shmem helpers
- handle large command buffers with cma"
* tag 'drm-next-2019-11-27' of git://anongit.freedesktop.org/drm/drm: (1855 commits)
drm/amdgpu: invalidate mmhub semaphore workaround in gmc9/gmc10
drm/amdgpu: initialize vm_inv_eng0_sem for gfxhub and mmhub
drm/amd/amdgpu/sriov skip RLCG s/r list for arcturus VF.
drm/amd/amdgpu/sriov temporarily skip ras,dtm,hdcp for arcturus VF
drm/amdgpu/gfx10: re-init clear state buffer after gpu reset
merge fix for "ftrace: Rework event_create_dir()"
drm/amdgpu: Update Arcturus golden registers
drm/amdgpu/gfx10: fix out-of-bound mqd_backup array access
drm/amdgpu/gfx10: explicitly wait for cp idle after halt/unhalt
Revert "drm/amd/display: enable S/G for RAVEN chip"
drm/amdgpu: disable gfxoff on original raven
drm/amdgpu: remove experimental flag for Navi14
drm/amdgpu: disable gfxoff when using register read interface
drm/amdgpu/powerplay: properly set PP_GFXOFF_MASK (v2)
drm/amdgpu: fix bad DMA from INTERRUPT_CNTL2
drm/radeon: fix bad DMA from INTERRUPT_CNTL2
drm/amd/display: Fix debugfs on MST connectors
drm/amdgpu/nv: add asic func for fetching vbios from rom directly
drm/amdgpu: put flush_delayed_work at first
drm/amdgpu/vcn2.5: fix the enc loop with hw fini
...
Here is the "big" set of driver core patches for 5.5-rc1
There's a few minor cleanups and fixes in here, but the majority of the
patches in here fall into two buckets:
- debugfs api cleanups and fixes
- driver core device link support for boot dependancy issues
The debugfs api cleanups are working to slowly refactor the debugfs apis
so that it is even harder to use incorrectly. That work has been
happening for the past few kernel releases and will continue over time,
it's a long-term project/goal
The driver core device link support missed 5.4 by just a bit, so it's
been sitting and baking for many months now. It's from Saravana Kannan
to help resolve the problems that DT-based systems have at boot time
with dependancy graphs and kernel modules. Turns out that no one has
actually tried to build a generic arm64 kernel with loads of modules and
have it "just work" for a variety of platforms (like a distro kernel)
The big problem turned out to be a lack of depandancy information
between different areas of DT entries, and the work here resolves that
problem and now allows devices to boot properly, and quicker than a
monolith kernel.
All of these patches have been in linux-next for a long time with no
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the "big" set of driver core patches for 5.5-rc1
There's a few minor cleanups and fixes in here, but the majority of
the patches in here fall into two buckets:
- debugfs api cleanups and fixes
- driver core device link support for boot dependancy issues
The debugfs api cleanups are working to slowly refactor the debugfs
apis so that it is even harder to use incorrectly. That work has been
happening for the past few kernel releases and will continue over
time, it's a long-term project/goal
The driver core device link support missed 5.4 by just a bit, so it's
been sitting and baking for many months now. It's from Saravana Kannan
to help resolve the problems that DT-based systems have at boot time
with dependancy graphs and kernel modules. Turns out that no one has
actually tried to build a generic arm64 kernel with loads of modules
and have it "just work" for a variety of platforms (like a distro
kernel). The big problem turned out to be a lack of dependency
information between different areas of DT entries, and the work here
resolves that problem and now allows devices to boot properly, and
quicker than a monolith kernel.
All of these patches have been in linux-next for a long time with no
reported issues"
* tag 'driver-core-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (68 commits)
tracing: Remove unnecessary DEBUG_FS dependency
of: property: Add device link support for interrupt-parent, dmas and -gpio(s)
debugfs: Fix !DEBUG_FS debugfs_create_automount
of: property: Add device link support for "iommu-map"
of: property: Fix the semantics of of_is_ancestor_of()
i2c: of: Populate fwnode in of_i2c_get_board_info()
drivers: base: Fix Kconfig indentation
firmware_loader: Fix labels with comma for builtin firmware
driver core: Allow device link operations inside sync_state()
driver core: platform: Declare ret variable only once
cpu-topology: declare parse_acpi_topology in <linux/arch_topology.h>
crypto: hisilicon: no need to check return value of debugfs_create functions
driver core: platform: use the correct callback type for bus_find_device
firmware_class: make firmware caching configurable
driver core: Clarify documentation for fwnode_operations.add_links()
mailbox: tegra: Fix superfluous IRQ error message
net: caif: Fix debugfs on 64-bit platforms
mac80211: Use debugfs_create_xul() helper
media: c8sectpfe: no need to check return value of debugfs_create functions
of: property: Add device link support for iommus, mboxes and io-channels
...
Here is the big set of USB patches for 5.5-rc1
Lots of little things in here:
- typec updates and additions
- usb-serial drivers cleanups and fixes
- misc USB drivers cleanups and fixes
- gadget drivers new features and controllers added
- usual xhci additions
- other minor changes
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here is the big set of USB patches for 5.5-rc1
Lots of little things in here:
- typec updates and additions
- usb-serial drivers cleanups and fixes
- misc USB drivers cleanups and fixes
- gadget drivers new features and controllers added
- usual xhci additions
- other minor changes
All of these have been in linux-next with no reported issues"
* tag 'usb-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (223 commits)
usb: gadget: udc: gr_udc: create debugfs directory under usb root
usb: gadget: atmel: create debugfs directory under usb root
usb: musb: create debugfs directory under usb root
usb: serial: Fix Kconfig indentation
usb: misc: Fix Kconfig indentation
usb: gadget: Fix Kconfig indentation
usb: host: Fix Kconfig indentation
usb: dwc3: Fix Kconfig indentation
usb: gadget: configfs: Fix missing spin_lock_init()
usb-storage: Disable UAS on JMicron SATA enclosure
USB: documentation: flags on usb-storage versus UAS
USB: uas: heed CAPACITY_HEURISTICS
USB: uas: honor flag to avoid CAPACITY16
usb: host: xhci-tegra: Correct phy enable sequence
usb-serial: cp201x: support Mark-10 digital force gauge
usb: chipidea: imx: pinctrl for HSIC is optional
usb: chipidea: imx: refine the error handling for hsic
usb: chipidea: imx: change hsic power regulator as optional
usb: chipidea: imx: check data->usbmisc_data against NULL before access
usb: chipidea: core: change vbus-regulator as optional
...
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Merge tag 'media/v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- uAPI documentation for stateless decoders
- Added a new CEC ioctl together with its documentation
- Improved IPU3 documentation
- New i2c drivers: hi556 and imx290
- Added support on Vivid driver for meta streams
- Added de-interlace support for sunxi subdriver
- Added a few new remote controler keymaps
- Added H.265 support for Sunxi Cedrus driver
- Another round of random driver cleanups, fixes and improvements
* tag 'media/v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (361 commits)
media: Revert "media: mtk-vcodec: Remove extra area allocation in an input buffer on encoding"
media: hantro: Set H264 FIELDPIC_FLAG_E flag correctly
media: hantro: Remove now unused H264 pic_size
media: hantro: Use output buffer width and height for H264 decoding
media: hantro: Reduce H264 extra space for motion vectors
media: hantro: Fix H264 motion vector buffer offset
media: ti-vpe: vpe: fix compatible to match bindings
media: dt-bindings: media: ti-vpe: Document VPE driver
media: zr364xx: remove redundant assigmnent to idx, clean up code
media: Documentation: media: *_DEFAULT targets for subdevs
media: hantro: Fix s_fmt for dynamic resolution changes
media: i2c: Use the correct style for SPDX License Identifier
media: siano: Use the correct style for SPDX License Identifier
media: vicodec: media_device_cleanup was called too early
media: vim2m: media_device_cleanup was called too early
media: cedrus: Increase maximum supported size
media: cedrus: Fix H264 4k support
media: cedrus: Properly signal size in mode register
media: v4l2-ctrl: Lock main_hdl on operations of requests_queued.
media: si470x-i2c: add missed operations in remove
...
* patchwork: (360 commits)
media: Revert "media: mtk-vcodec: Remove extra area allocation in an input buffer on encoding"
media: hantro: Set H264 FIELDPIC_FLAG_E flag correctly
media: hantro: Remove now unused H264 pic_size
media: hantro: Use output buffer width and height for H264 decoding
media: hantro: Reduce H264 extra space for motion vectors
media: hantro: Fix H264 motion vector buffer offset
media: ti-vpe: vpe: fix compatible to match bindings
media: dt-bindings: media: ti-vpe: Document VPE driver
media: zr364xx: remove redundant assigmnent to idx, clean up code
media: Documentation: media: *_DEFAULT targets for subdevs
media: hantro: Fix s_fmt for dynamic resolution changes
media: i2c: Use the correct style for SPDX License Identifier
media: siano: Use the correct style for SPDX License Identifier
media: vicodec: media_device_cleanup was called too early
media: vim2m: media_device_cleanup was called too early
media: cedrus: Increase maximum supported size
media: cedrus: Fix H264 4k support
media: cedrus: Properly signal size in mode register
media: v4l2-ctrl: Lock main_hdl on operations of requests_queued.
media: si470x-i2c: add missed operations in remove
...
Some more development work for v5.5. Highlights include:
- More cleanups from Morimoto-san.
- Trigger word detection for RT5677.
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Merge tag 'asoc-v5.5-2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: More updates for v5.5
Some more development work for v5.5. Highlights include:
- More cleanups from Morimoto-san.
- Trigger word detection for RT5677.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Pass the device pointer from the PCI pointer directly, instead of a
non-standard macro. The macro didn't give any better readability.
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The recent change (commit 08422d2c55: "ALSA: memalloc: Allow NULL
device for SNDRV_DMA_TYPE_CONTINOUS type") made the PCM preallocation
helper accepting NULL as the device pointer for the default usage.
Drop the snd_dma_continuous_data() usage that became superfluous from
the callers.
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This reverts commit 3192b2ca79.
There are indications that this patch causes problems on some
platforms due to some hardware prefetch. Reverting this patch
for now until this is better understood.
Reported-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Update the compatible string to match the updated bindings.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The variable cable_type is being initialized with a value that
is never read and is being re-assigned a little later on. Replace
the redundant initializtion with the assignment that occurs a little
later. Also initialize frm too rather than have a later assignment.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This patch corrects the SPDX License Identifier style
in header files related to I2C controlled media codec drivers.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used)
Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46
and some manual changes.
Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This patch corrects the SPDX License Identifier style
in header file related to Siano Mobile Silicon Digital TV.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used)
Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46
Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
There's a race condition between the list_del_init in the
v4l2_ctrl_request_complete, and the list_add_tail in the
v4l2_ctrl_request_queue, since they can be called in different thread
and the requests_queued list is not protected by a lock. This can lead
to that the v4l2_ctrl_handler is still in the requests_queued list while
the request_is_queued is already set to false, which would cause
use-after-free if the v4l2_ctrl_handler is later released.
Fix this by locking the ->lock of main_hdl (which is the owner of the
requests_queued list) when doing list operations on the
->requests_queued list.
Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The driver misses calling v4l2_ctrl_handler_free and
v4l2_device_unregister in remove like what is done in probe failure.
Add the calls to fix it.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Disable output side crop selections for the decoder.
This fixes the following v4l2-compliance complaint:
fail: v4l2-test-formats.cpp(1576): IS_DECODER(node)
test Cropping: FAIL
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
v4l2_vbi_format, v4l2_sliced_vbi_format and v4l2_sdr_format
have a reserved array at the end that should be zeroed by drivers
as per the V4L2 spec. Older drivers often do not do this, so just
handle this in the core.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Disable capture side compose selections for the encoder.
This fixes the following v4l2-compliance complaint:
fail: v4l2-test-formats.cpp(1662): IS_ENCODER(node)
test Composing: FAIL
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
MediaTek encoder allocates non pixel data area for an input buffer every
plane. As the input buffer should be read-only, the driver should not write
anything in the buffer. Therefore, the extra data should be unnecessary.
Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
In the implementation of aspeed_video_probe() the allocated memory for
video should be released if either devm_ioremap_resource()
or aspeed_video_init() or aspeed_video_setup_video() fails. Replace
kzalloc() with devm_kzalloc to avoid explicit release for video.
Fixes: d2b4387f3b ("media: platform: Add Aspeed Video Engine driver")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Reviewed-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
Reviewed-by: Eddie James <eajames@linux.ibm.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
It's more clear to use FIELD_SIZEOF instead of its implementation.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Beelink GS1 Andoid TV Box ships with a simple NEC remote.
Signed-off-by: Clément Péron <peron.clem@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
remove unused code
Signed-off-by: Jan Pieter van Woerkom <jp@jpvw.nl>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
An earlier commit hard coded a return 0 to function flexcop_usb_i2c_req
even though the an -EIO was intended to be returned in the case where
ret != buflen. Fix this by replacing the return 0 with the return of
ret to return the error return code.
Addresses-Coverity: ("Unused value")
Fixes: b430eaba0b ("[media] flexcop-usb: don't use stack for DMA")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The driver needs an isochronous endpoint to be present. It will
oops in its absence. Add checking for it.
Reported-by: syzbot+d93dff37e6a89431c158@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The irqlock spinlock has been unused from the start. Remove it.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
In some device configurations there's no radio or radio support in the
driver. That's OK, as the driver sets itself up accordingly. However
on tear-down in these caes it's still trying to tear down radio
related context when there isn't anything there, leading to
dereferences through a null pointer and chaos follows.
How this bug survived unfixed for 11 years in the pvrusb2 driver is a
mystery to me.
[hverkuil: fix two checkpatch warnings]
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
v4l2_compat_ioctl32() is the function that calls into
v4l2_file_operations->compat_ioctl32(), so setting that back to the same
function leads to a trivial endless loop, followed by a kernel
stack overrun.
Remove the incorrect assignment.
Cc: stable@vger.kernel.org
Fixes: 7472c1c691 ("[media] media: venus: vdec: add video decoder files")
Fixes: aaaa93eda6 ("[media] media: venus: venc: add video encoder files")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Hold buf flag is set on output queue, not capture. Fix that.
Fixes: f07602ac38 ("media: v4l2-mem2mem: add new_frame detection")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The field kthread_sen in the vimc_sen_device is
not set and used. So remove the field and
the code that check if it is non NULL
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Cc: <stable@vger.kernel.org> # for v5.4 and up
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
After adding a const pointer to ctrl_ptr, lets use it where it make
sense.
Suggested-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Ricardo Ribalda Delgado <ribalda@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This control represents a generic read/write area.
Suggested-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Ricardo Ribalda Delgado <ribalda@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This allows setting the default value on compound controls created via
v4l2_ctrl_new_custom.
Signed-off-by: Ricardo Ribalda Delgado <ribalda@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
When driver is built as module and probe during insmod is deferred
because of sensor subdevs, there is NULL pointer deference because
mdev is cleaned up and then access it from v4l2_device_unregister().
Fix the wrong mdev and v4l2 dev order in error path of probe.
This fixes below null pointer deference:
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = ca026f68
[00000000] *pgd=00000000
Internal error: Oops: 5 [#1] PREEMPT SMP ARM
[...]
Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
PC is at ida_free+0x7c/0x160
LR is at xas_start+0x44/0x204
[...]
[<c0dafd60>] (ida_free) from [<c083c20c>] (__media_device_unregister_entity+0x18/0xc0)
[<c083c20c>] (__media_device_unregister_entity) from [<c083c2e0>] (media_device_unregister_entity+0x2c/0x38)
[<c083c2e0>] (media_device_unregister_entity) from [<c0843404>] (v4l2_device_release+0xd0/0x104)
[<c0843404>] (v4l2_device_release) from [<c0632558>] (device_release+0x28/0x98)
[<c0632558>] (device_release) from [<c0db1204>] (kobject_put+0xa4/0x208)
[<c0db1204>] (kct_put) from [<bf00bac4>] (fimc_capture_subdev_unregistered+0x58/0x6c [s5p_fimc])
[<bf00bac4>] (fimc_capture_subdev_unregistered [s5p_fimc]) from [<c084a1cc>] (v4l2_device_unregister_subdev+0x6c/0xa8)
[<c084a1cc>] (v4l2_device_unregister_subdev) from [<c084a350>] (v4l2_device_unregister+0x64/0x94)
[<c084a350>] (v4l2_device_unregister) from [<bf0101ac>] (fimc_md_probe+0x4ec/0xaf8 [s5p_fimc])
[...]
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Fixes: 9832e155f1 ("[media] media-device: split media initialization and registration")
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
There is the same incorrect approach to locking implemented in
vivid_stop_generating_vid_cap(), vivid_stop_generating_vid_out() and
sdr_cap_stop_streaming().
These functions are called during streaming stopping with vivid_dev.mutex
locked. And they all do the same mistake while stopping their kthreads,
which need to lock this mutex as well. See the example from
vivid_stop_generating_vid_cap():
/* shutdown control thread */
vivid_grab_controls(dev, false);
mutex_unlock(&dev->mutex);
kthread_stop(dev->kthread_vid_cap);
dev->kthread_vid_cap = NULL;
mutex_lock(&dev->mutex);
But when this mutex is unlocked, another vb2_fop_read() can lock it
instead of vivid_thread_vid_cap() and manipulate the buffer queue.
That causes a use-after-free access later.
To fix those issues let's:
1. avoid unlocking the mutex in vivid_stop_generating_vid_cap(),
vivid_stop_generating_vid_out() and sdr_cap_stop_streaming();
2. use mutex_trylock() with schedule_timeout_uninterruptible() in
the loops of the vivid kthread handlers.
Signed-off-by: Alexander Popov <alex.popov@linux.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Tested-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: <stable@vger.kernel.org> # for v3.18 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Refactor some of the vivid_create_instance code by using a
new vivid_create_queue() helper function.
Also add some sanity checks for the node_types vs input/output_types
module options.
This patch resolves these two smatch parse errors:
drivers/media/platform/vivid/vivid-core.c:1679 vivid_create_instance() parse error: OOM: 3002600Kb sm_state_count = 6160113
drivers/media/platform/vivid/vivid-core.c: drivers/media/platform/vivid/vivid-core.c:1679
vivid_create_instance() parse error: __split_smt: function too hairy. Giving up after 33 seconds
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Macros MSG_SMS_ENBALE_TS_INTERFACE_REQ and MSG_SMS_ENBALE_TS_INTERFACE_RES
contain a spelling mistake. Fix these by replacing ENBALE with ENABLE.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Drop two dprintk's that relied on a non-NULL mantis pointer
when it was in fact a NULL pointer.
Fix those warnings:
drivers/media/pci/mantis/mantis_cards.c:73 mantis_irq_handler() error: we previously assumed 'mantis' could be null (see line 72)
drivers/media/pci/mantis/hopper_cards.c:64 hopper_irq_handler() error: we previously assumed 'mantis' could be null (see line 63)
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
