AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/include/media
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Arnd Bergmann db317a3722 media: subdev: disallow ioctl for saa6588/davinci 
commit 0a7790be182d32b9b332a37cb4206e24fe94b728 upstream.

The saa6588_ioctl() function expects to get called from other kernel
functions with a 'saa6588_command' pointer, but I found nothing stops it
from getting called from user space instead, which seems rather dangerous.

The same thing happens in the davinci vpbe driver with its VENC_GET_FLD
command.

As a quick fix, add a separate .command() callback pointer for this
driver and change the two callers over to that.  This change can easily
get backported to stable kernels if necessary, but since there are only
two drivers, we may want to eventually replace this with a set of more
specialized callbacks in the long run.

Fixes: c3fda7f835 ("V4L/DVB (10537): saa6588: convert to v4l2_subdev.")
Cc: stable@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-07-19 09:45:02 +02:00
..
davinci media: davinci: replace http references with https 2020-07-19 07:54:47 +02:00
drv-intf ARM: s3c24xx: drop s3c-camif setup platform code 2020-08-19 20:57:32 +02:00
i2c media: smiapp: Move definitions under driver directory 2020-02-27 17:49:04 -03:00
tpg media: v4l2-tpg: Clamp hue in tpg_s_hue() 2020-08-26 18:51:34 +02:00
cec-notifier.h Update rmk's email address in various drivers 2020-04-21 17:50:09 +01:00
cec-pin.h media: cec-gpio: handle gpiod_get_value errors correctly 2020-04-29 12:04:38 +02:00
cec.h media: cec: no need to check return value of debugfs_create functions 2020-09-01 14:13:26 +02:00
demux.h media: dvb: update buffer mmaped flags and frame counter 2018-02-23 11:44:08 -05:00
dmxdev.h media: dmxdev: Fix the logic that enables DMA mmap support 2018-02-23 05:27:10 -05:00
dvb_ca_en50221.h media: move dvb kAPI headers to include/media 2017-12-28 13:16:01 -05:00
dvb_demux.h media: dvb: update buffer mmaped flags and frame counter 2018-02-23 11:44:08 -05:00
dvb_frontend.h media: dvb_frontend.h: Fix shifting signed 32-bit value problem 2019-08-14 05:04:08 -03:00
dvb_math.h media: move dvb kAPI headers to include/media 2017-12-28 13:16:01 -05:00
dvb_net.h media: move dvb kAPI headers to include/media 2017-12-28 13:16:01 -05:00
dvb_ringbuffer.h media: move dvb kAPI headers to include/media 2017-12-28 13:16:01 -05:00
dvb_vb2.h media: dvb: update buffer mmaped flags and frame counter 2018-02-23 11:44:08 -05:00
dvb-usb-ids.h media: dvb-usb: Add Cinergy S2 PCIe Dual Port support 2020-05-25 09:09:39 +02:00
dvbdev.h media: dvbdev.h: keep * together with the type 2020-07-19 14:26:25 +02:00
fwht-ctrls.h media: vicodec: Introducing stateless fwht defs and structs 2019-03-25 14:02:30 -04:00
h264-ctrls.h media: uapi: h264: Rename and clarify PPS_FLAG_SCALING_MATRIX_PRESENT 2020-09-01 14:13:28 +02:00
hevc-ctrls.h media: hevc: Fix dependent slice segment flags 2021-07-14 16:55:51 +02:00
imx.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
media-dev-allocator.h media: Fix Media Controller API config checks 2021-07-14 16:55:56 +02:00
media-device.h media: media-device.h: drop duplicated word in comment 2020-07-19 14:00:07 +02:00
media-devnode.h media: media-devnode.h: drop duplicated word in comment 2020-07-19 14:00:12 +02:00
media-entity.h media: media-entity.h: drop duplicated word in comment 2020-07-19 14:00:21 +02:00
media-request.h media: media requests: return EBADR instead of EACCES 2019-03-25 13:26:10 -04:00
mpeg2-ctrls.h media: cedrus: identify buffers by timestamp 2019-01-07 13:20:54 -05:00
rc-core.h media: rc: harmonize infrared durations to microseconds 2020-09-03 16:18:55 +02:00
rc-map.h media: rc: compile rc-cec.c into rc-core 2021-03-17 17:06:20 +01:00
rcar-fcp.h media: rcar-fcp: convert to SPDX identifiers 2018-09-12 09:29:03 -04:00
tuner-types.h media: tuner-types: add kernel-doc markups for struct tunertype 2017-12-18 09:06:40 -05:00
tuner.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
tveeprom.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
v4l2-async.h media: v4l2-async: Clean v4l2_async_notifier_add_fwnode_remote_subdev 2021-07-14 16:56:11 +02:00
v4l2-clk.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
v4l2-common.h media: vivid: Add support to the CSC API 2020-09-26 10:21:34 +02:00
v4l2-ctrls.h media: v4l2-ctrls: fix reference to freed memory 2021-05-11 14:47:39 +02:00
v4l2-dev.h media: v4l2-dev: Add v4l2_device_register_ro_subdev_node() 2020-05-12 17:04:07 +02:00
v4l2-device.h media: v4l2-dev: Add v4l2_device_register_ro_subdev_node() 2020-05-12 17:04:07 +02:00
v4l2-dv-timings.h media: cec/v4l2: move V4L2 specific CEC functions to V4L2 2018-09-24 09:11:04 -04:00
v4l2-event.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
v4l2-fh.h media: v4l2-fh: define v4l2_fh struct regardless of condition 2020-04-21 13:40:06 +02:00
v4l2-flash-led-class.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
v4l2-fwnode.h media: v4l2-fwnode: v4l2_fwnode_endpoint_parse caller must init vep argument 2020-12-30 11:53:11 +01:00
v4l2-h264.h media: uapi: h264: Clean slice invariants syntax elements 2020-09-01 14:13:28 +02:00
v4l2-image-sizes.h media: v4l2-image-sizes: add HD and Full-HD definitions 2020-04-21 17:21:51 +02:00
v4l2-ioctl.h media: v4l2-core: fix v4l2_buffer handling for time64 ABI 2020-01-03 15:50:21 +01:00
v4l2-jpeg.h media: add v4l2 JPEG helpers 2020-04-14 11:47:47 +02:00
v4l2-mc.h media: v4l2: Correct kernel-doc inconsistency 2020-08-06 11:25:07 +02:00
v4l2-mediabus.h media: v4l2-fwnode: Return -EINVAL for invalid bus-type 2020-12-30 11:53:11 +01:00
v4l2-mem2mem.h media: v4l2-mem2mem: add v4l2_m2m_suspend, v4l2_m2m_resume 2020-08-28 15:20:40 +02:00
v4l2-rect.h media: v4l2-rect.h: add enclosed rectangle helper 2020-07-04 12:29:38 +02:00
v4l2-subdev.h media: subdev: disallow ioctl for saa6588/davinci 2021-07-19 09:45:02 +02:00
videobuf2-core.h media: media/v4l2: remove V4L2_FLAG_MEMORY_NON_CONSISTENT flag 2020-09-14 15:28:06 +02:00
videobuf2-dma-contig.h media: videobuf2-dma-contig: fix bad kfree in vb2_dma_contig_clear_max_seg_size 2020-06-11 19:20:55 +02:00
videobuf2-dma-sg.h media: Change Andrzej Pietrasiewicz's e-mail address 2019-01-16 11:21:07 -05:00
videobuf2-dvb.h media: move dvb kAPI headers to include/media 2017-12-28 13:16:01 -05:00
videobuf2-memops.h media: videobuf2-vmalloc: get_userptr: buffers are always writable 2019-05-29 08:05:58 -04:00
videobuf2-v4l2.h media: videobuf2-v4l2.c: add vb2_video_unregister_device helper function 2020-08-28 14:58:48 +02:00
videobuf2-vmalloc.h [media] media: videobuf2: Replace videobuf2-core with videobuf2-v4l2 2015-10-01 08:48:18 -03:00
videobuf-core.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 237 2019-06-19 17:09:07 +02:00
videobuf-dma-contig.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 237 2019-06-19 17:09:07 +02:00
videobuf-dma-sg.h media: videobuf-dma-sg: number of pages should be unsigned long 2020-09-03 11:12:20 +02:00
videobuf-vmalloc.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 237 2019-06-19 17:09:07 +02:00
vp8-ctrls.h media: uapi: new file needs types.h 2019-07-23 08:19:32 -04:00
vsp1.h media: vsp1: drm: Implement writeback support 2019-03-18 17:24:14 +02:00