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Add support for zstd compressed modules to the in-kernel decompression
code. This allows zstd compressed modules to be decompressed by the
kernel, similar to the existing support for gzip and xz compressed
modules.
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Piotr Gorski <lucjan.lucjanov@gmail.com>
Cc: Nick Terrell <terrelln@fb.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Piotr Gorski <lucjan.lucjanov@gmail.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
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If a cookie expires from the LRU and the LRU_DISCARD flag is set, but
the state machine has not run yet, it's possible another thread can call
fscache_use_cookie and begin to use it.
When the cookie_worker finally runs, it will see the LRU_DISCARD flag
set, transition the cookie->state to LRU_DISCARDING, which will then
withdraw the cookie. Once the cookie is withdrawn the object is removed
the below oops will occur because the object associated with the cookie
is now NULL.
Fix the oops by clearing the LRU_DISCARD bit if another thread uses the
cookie before the cookie_worker runs.
BUG: kernel NULL pointer dereference, address: 0000000000000008
...
CPU: 31 PID: 44773 Comm: kworker/u130:1 Tainted: G E 6.0.0-5.dneg.x86_64 #1
Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Workqueue: events_unbound netfs_rreq_write_to_cache_work [netfs]
RIP: 0010:cachefiles_prepare_write+0x28/0x90 [cachefiles]
...
Call Trace:
netfs_rreq_write_to_cache_work+0x11c/0x320 [netfs]
process_one_work+0x217/0x3e0
worker_thread+0x4a/0x3b0
kthread+0xd6/0x100
Fixes: 12bb21a29c19 ("fscache: Implement cookie user counting and resource pinning")
Reported-by: Daire Byrne <daire.byrne@gmail.com>
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Daire Byrne <daire@dneg.com>
Link: https://lore.kernel.org/r/20221117115023.1350181-1-dwysocha@redhat.com/ # v1
Link: https://lore.kernel.org/r/20221117142915.1366990-1-dwysocha@redhat.com/ # v2
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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for-6.2/block
Pull NVMe updates from Christoph:
"nvme updates for Linux 6.2
- fix and cleanup nvme-fc req allocation (Chaitanya Kulkarni)
- use the common tagset helpers in nvme-pci driver (Christoph Hellwig)
- cleanup the nvme-pci removal path (Christoph Hellwig)
- use kstrtobool() instead of strtobool (Christophe JAILLET)
- allow unprivileged passthrough of Identify Controller (Joel Granados)
- support io stats on the mpath device (Sagi Grimberg)
- minor nvmet cleanup (Sagi Grimberg)"
* tag 'nvme-6.2-2022-12-07' of git://git.infradead.org/nvme: (22 commits)
nvmet: don't open-code NVME_NS_ATTR_RO enumeration
nvme-pci: use the tagset alloc/free helpers
nvme: add the Apple shared tag workaround to nvme_alloc_io_tag_set
nvme: only set reserved_tags in nvme_alloc_io_tag_set for fabrics controllers
nvme: consolidate setting the tagset flags
nvme: pass nr_maps explicitly to nvme_alloc_io_tag_set
nvme-pci: split out a nvme_pci_ctrl_is_dead helper
nvme-pci: return early on ctrl state mismatch in nvme_reset_work
nvme-pci: rename nvme_disable_io_queues
nvme-pci: cleanup nvme_suspend_queue
nvme-pci: remove nvme_pci_disable
nvme-pci: remove nvme_disable_admin_queue
nvme: merge nvme_shutdown_ctrl into nvme_disable_ctrl
nvme: use nvme_wait_ready in nvme_shutdown_ctrl
nvme-apple: fix controller shutdown in apple_nvme_disable
nvme-fc: move common code into helper
nvme-fc: avoid null pointer dereference
nvme: allow unprivileged passthrough of Identify Controller
nvme-multipath: support io stats on the mpath device
nvme: introduce nvme_start_request
...
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While vb2_mmap took the mmap_lock mutex, vb2_get_unmapped_area didn't.
Add this.
Also take this opportunity to move the 'q->memory != VB2_MEMORY_MMAP'
check and vb2_fileio_is_active() check into __find_plane_by_offset() so
both vb2_mmap and vb2_get_unmapped_area do the same checks.
Since q->memory is checked while mmap_lock is held, also take that lock
in reqbufs and create_bufs when it is set, and set it back to
MEMORY_UNKNOWN on error.
Fixes: f035eb4e976e ("[media] videobuf2: fix lockdep warning")
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The UEFI spec does not mention or reason about the configured size of
the virtual address space at all, but it does mention that all memory
should be identity mapped using a page size of 4 KiB.
This means that a LPA2 capable system that has any system memory outside
of the 48-bit addressable physical range and follows the spec to the
letter may serve page allocation requests from regions of memory that
the kernel cannot access unless it was built with LPA2 support and
enables it at runtime.
So let's ensure that all page allocations are limited to the 48-bit
range.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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Linux 6.1-rc8
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Some inconsistent usage of white space in the PM-runtime core code
causes that code to be somewhat harder to read that it would have
been otherwise, so adjust the white space in there to be more
consistent with the rest of the code.
No expected functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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[Why&How]
LinkCapacitySupport array is indexed with the number of voltage states and
not the number of max DPPs. Fix the error by changing the array
declaration to use the correct (larger) array size of total number of
voltage states.
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.0.x
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In the SDMA s0ix save process requires to turn off SDMA ring buffer for
avoiding the SDMA in-flight request, otherwise will suffer from SDMA page
fault which causes by page request from in-flight SDMA ring accessing at
SDMA restore phase.
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2248
Cc: stable@vger.kernel.org # 6.0,5.15+
Fixes: f8f4e2a51834 ("drm/amdgpu: skipping SDMA hw_init and hw_fini for S0ix.")
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Move error type descriptions into an array and loop over error types
to improve readability and maintainability.
Replace seq_printf() with seq_puts() as recommended by checkpatch.pl.
Signed-off-by: Jay Lu <jaylu102@amd.com>
Co-developed-by: Ben Cheatham <benjamin.cheatham@amd.com>
Signed-off-by: Ben Cheatham <benjamin.cheatham@amd.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Checkpatch reveals warnings and an error due to missing lines and
incorrect indentations. Add the missing lines after declarations and
fix the suspect indentations.
Signed-off-by: Jay Lu <jaylu102@amd.com>
Signed-off-by: Ben Cheatham <benjamin.cheatham@amd.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Avoid returning a confusing error code from acpi_processor_notify_smm()
if it is called for the second time in the case when SMM notification
regarding P-state control is not supported.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Rearrange the code in acpi_processor_notify_smm() to consolidate error
handling in it and improve the comments in there while at it.
No expected functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Rearrange acpi_processor_unregister_performance() to follow a more
common error handling pattern and drop a redundant "return" statement
from the end of it.
No expected functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Drop some redundant parentheses and rearrange some checks using them
in the ACPI processor performance library code for better code clarity.
No expected functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Some inconsistent usage of white space in the ACPI processor performance
library code causes that code to be somewhat harder to read that it
would have been otherwise, so adjust the white space in there to
address that.
No expected functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Drop a redundant "else", a "return" statement at the end of a void
function and redundant parentheses around an unsigent int variable
name from the ACPI processor idle driver.
No expected functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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It is not necessary to compare critical.flags.valid to 1 in
acpi_thermal_trips_update() and doing so is also inconsistent with
other similar checks in that code, so simply check if the flag is
not 0 instead.
No expected functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Tag branch
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
* tag 'br-v6.2i' of git://linuxtv.org/hverkuil/media_tree: (31 commits)
media: s5c73m3: Switch to GPIO descriptors
media: i2c: s5k5baf: switch to using gpiod API
media: i2c: s5k6a3: switch to using gpiod API
media: imx: remove code for non-existing config IMX_GPT_ICAP
media: si470x: Fix use-after-free in si470x_int_in_callback()
media: staging: stkwebcam: Restore MEDIA_{USB,CAMERA}_SUPPORT dependencies
media: coda: Add check for kmalloc
media: coda: Add check for dcoda_iram_alloc
dt-bindings: media: s5c73m3: Fix reset-gpio descriptor
media: dt-bindings: allwinner: h6-vpu-g2: Add IOMMU reference property
media: s5k4ecgx: Delete driver
media: s5k4ecgx: Switch to GPIO descriptors
media: Switch to use dev_err_probe() helper
headers: Remove some left-over license text in include/uapi/linux/v4l2-*
headers: Remove some left-over license text in include/uapi/linux/dvb/
media: usb: pwc-uncompress: Use flex array destination for memcpy()
media: s5p-mfc: Fix to handle reference queue during finishing
media: s5p-mfc: Clear workbit to handle error condition
media: s5p-mfc: Fix in register read and write for H264
media: imx: Use get_mbus_config instead of parsing upstream DT endpoints
...
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The driver has an option to pass in GPIO numbers from platform
data but this is not used in the kernel so delete this. Get
GPIO descriptors using the standard API and simplify the code,
gpiolib will handle any inversions.
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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This patch switches the driver away from legacy gpio/of_gpio API to
gpiod API, and removes use of of_get_named_gpio_flags() which I want to
make private to gpiolib.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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This patch switches the driver away from legacy gpio/of_gpio API to
gpiod API, and removes one of the last uses of of_get_gpio_flags().
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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There never was a config IMX_GPT_ICAP in the repository. So remove the code
conditional on this config and simplify the callers that just called empty
functions.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Reviewed-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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syzbot reported use-after-free in si470x_int_in_callback() [1]. This
indicates that urb->context, which contains struct si470x_device
object, is freed when si470x_int_in_callback() is called.
The cause of this issue is that si470x_int_in_callback() is called for
freed urb.
si470x_usb_driver_probe() calls si470x_start_usb(), which then calls
usb_submit_urb() and si470x_start(). If si470x_start_usb() fails,
si470x_usb_driver_probe() doesn't kill urb, but it just frees struct
si470x_device object, as depicted below:
si470x_usb_driver_probe()
...
si470x_start_usb()
...
usb_submit_urb()
retval = si470x_start()
return retval
if (retval < 0)
free struct si470x_device object, but don't kill urb
This patch fixes this issue by killing urb when si470x_start_usb()
fails and urb is submitted. If si470x_start_usb() fails and urb is
not submitted, i.e. submitting usb fails, it just frees struct
si470x_device object.
Reported-by: syzbot+9ca7a12fd736d93e0232@syzkaller.appspotmail.com
Link: https://syzkaller.appspot.com/bug?id=94ed6dddd5a55e90fd4bab942aa4bb297741d977 [1]
Signed-off-by: Shigeru Yoshida <syoshida@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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By moving support for the USB Syntek DC1125 Camera to staging, the
dependencies on MEDIA_USB_SUPPORT and MEDIA_CAMERA_SUPPORT were lost.
Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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As the kmalloc may return NULL pointer,
it should be better to check the return value
in order to avoid NULL poineter dereference,
same as the others.
Fixes: cb1d3a336371 ("[media] coda: add CODA7541 JPEG support")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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As the coda_iram_alloc may return NULL pointer,
it should be better to check the return value
in order to avoid NULL poineter dereference,
same as the others.
Fixes: b313bcc9a467 ("[media] coda: simplify IRAM setup")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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The reset-gpios is described as xshutdown-gpios on the required
properties, as it is on the driver. Despite that, the device tree
example set the property 'reset-gpios' instead of the property
'xshutdown-gpios'.
Therefore, this patch updates the example to match the property specified
on the driver.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Maíra Canal <mairacanal@riseup.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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The Hantro G2 video decoder block sits behind an IOMMU. The device tree
binding needs a property to reference it. Without a reference for the
implementation to properly configure the IOMMU, it will fault and cause
the video decoder to fail.
Add an "iommus" property for referring to the IOMMU port. The master ID
in the example is taken from the IOMMU fault error message on Linux,
and the number seems to match the order in the user manual's IOMMU
diagram.
Fixes: fd6be12716c4 ("media: dt-bindings: allwinner: document H6 Hantro G2 binding")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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This driver was until the previous patch unused in the kernel
and depended on platform data that no board was defining.
As no users can be proven to exist, delete the driver.
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Suggested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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The driver has an option to pass in GPIO numbers from platform
data but this is not used in the kernel so delete this and the
whole platform data mechanism.
Get GPIO descriptors using the standard API and simplify the code,
gpiolib will handle any inversions.
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Reviewed-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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In the probe path, dev_err() can be replaced with dev_err_probe()
which will check if error code is -EPROBE_DEFER.
Reviewed-by: Sean Young <sean@mess.org>
Reviewed-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Remove some left-over from commit e2be04c7f995 ("License cleanup: add SPDX
license identifier to uapi header files with a license")
When the SPDX-License-Identifier tag has been added, the corresponding
license text has not been removed.
Remove it now.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Remove some left-over from commit e2be04c7f995 ("License cleanup: add
SPDX license identifier to uapi header files with a license")
When the SPDX-License-Identifier tag has been added, the corresponding
license text has not been removed.
Remove it now.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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In preparation for FORTIFY_SOURCE performing run-time destination buffer
bounds checking for memcpy(), specify the destination output buffer
explicitly, instead of asking memcpy() to write past the end of what looked
like a fixed-size object.
Notice that raw_frame is a pointer to a structure that contains
flexible-array member rawframe[]:
drivers/media/usb/pwc/pwc.h:
190 struct pwc_raw_frame {
191 __le16 type; /* type of the webcam */
192 __le16 vbandlength; /* Size of 4 lines compressed (used by the
193 decompressor) */
194 __u8 cmd[4]; /* the four byte of the command (in case of
195 nala, only the first 3 bytes is filled) */
196 __u8 rawframe[]; /* frame_size = H / 4 * vbandlength */
197 } __packed;
Link: https://github.com/KSPP/linux/issues/200
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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On receiving last buffer driver puts MFC to MFCINST_FINISHING state which
in turn skips transferring of frame from SRC to REF queue. This causes
driver to stop MFC encoding and last frame is lost.
This patch guarantees safe handling of frames during MFCINST_FINISHING and
correct clearing of workbit to avoid early stopping of encoding.
Fixes: af9357467810 ("[media] MFC: Add MFC 5.1 V4L2 driver")
Cc: stable@vger.kernel.org
Cc: linux-fsd@tesla.com
Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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During error on CLOSE_INSTANCE command, ctx_work_bits was not getting
cleared. During consequent mfc execution NULL pointer dereferencing of
this context led to kernel panic. This patch fixes this issue by making
sure to clear ctx_work_bits always.
Fixes: 818cd91ab8c6 ("[media] s5p-mfc: Extract open/close MFC instance commands")
Cc: stable@vger.kernel.org
Cc: linux-fsd@tesla.com
Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Few of the H264 encoder registers written were not getting reflected
since the read values were not stored and getting overwritten.
Fixes: 6a9c6f681257 ("[media] s5p-mfc: Add variants to access mfc registers")
Cc: stable@vger.kernel.org
Cc: linux-fsd@tesla.com
Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Stop parsing upstream neighbors' device-tree endpoints to retrieve the
media bus configuration. Instead use the get_mbus_config op and throw an
error if the upstream subdevice does not implement it.
Also drop the corresponding TODO entry and the now unused
imx_media_get_pad_fwnode() function.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Tested-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Everything is about THS7303, so let the include guard reflect it as well
to avoid potential future conflict.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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In configure_channels(), we should call of_node_put() when breaking
out of for_each_child_of_node() which will automatically increase
and decrease the refcount.
Fixes: c5f5d0f99794 ("[media] c8sectpfe: STiH407/10 Linux DVB demux support")
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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A case that CONFIG_MEDIA_SUPPORT is y but we need DVB_CORE=m, and
this doesn't work since DVB_CORE is default MEDIA_DIGITAL_TV_SUPPORT
and then follows MEDIA_SUPPORT.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Lecopzer Chen <lecopzer.chen@mediatek.com>
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Don't populate the read-only array isl7998x_video_in_chan_map on the
stack but instead make it static. Also makes the object code a little
smaller.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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There is a BIT(nr) macro available in Linux Kernel,
which does the same thing.
Example: 1 << 7 is same as BIT(7)
Signed-off-by: Moses Christopher Bollavarapu <mosescb.dev@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Some devices support sampling of the parallel data at both edges of the
interface pixel clock in order to reduce the pixel clock by two.
Add a mediabus flag that represents this feature.
Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Some devices support sampling of the parallel data at both edges of the
interface pixel clock in order to reduce the pixel clock by two.
Use the pclk-sample property to reflect this feature in the device tree.
Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Use dma_set_mask_and_coherent() instead of unrolling it with some
dma_set_mask()+dma_set_coherent_mask().
Moreover, as stated in [1], dma_set_mask() with a 64-bit mask will never
fail if dev->dma_mask is non-NULL.
So, if it fails, the 32 bits case will also fail for the same reason.
Simplify code and remove some dead code accordingly.
[1]: https://lkml.org/lkml/2021/6/7/398
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Akihiro Tsukada <tskd08@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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drivers/media/pci/intel/ipu3/cio2-bridge.c: In function ‘cio2_bridge_unregister_sensors’:
drivers/media/pci/intel/ipu3/cio2-bridge.c:258:17: error: implicit declaration of function ‘i2c_unregister_device’; did you mean ‘spi_unregister_device’? [-Werror=implicit-function-declaration]
258 | i2c_unregister_device(sensor->vcm_i2c_client);
| ^~~~~~~~~~~~~~~~~~~~~
| spi_unregister_device
Link: https://lore.kernel.org/linux-media/S230142AbiJTWql/20221020224641Z+958@vger.kernel.org
Signed-off-by: Adam Borowski <kilobyte@angband.pl>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Add myself as maintainer for the drivers/staging/media/atomisp code.
Link: https://lore.kernel.org/linux-media/20221123161447.15834-1-hdegoede@redhat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.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>
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git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates frim Marc Zyngier:
- More APCI fixes and improvements for the LoongArch architecture,
adding support for the HTVEC irqchip, suspend-resume, and some
PCI INTx workarounds
- Initial DT support for LoongArch. I'm not even kidding.
- Support for the MTK CIRQv2, a minor deviation from the original version
- Error handling fixes for wpcm450, GIC...
- BE detection for a FSL controller
- Declare the Sifive PLIC as wake-up agnostic
- Simplify fishing out the device data for the ST irqchip
- Mark some data structures as __initconst in the apple-aic driver
- Switch over from strtobool to kstrtobool
- COMPILE_TEST fixes
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