media: v4l2-subdev: Verify v4l2_subdev_call() pointer arguments
authorJanusz Krzysztofik <jmkrzyszt@gmail.com>
Mon, 20 May 2019 21:27:46 +0000 (17:27 -0400)
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Mon, 24 Jun 2019 18:54:21 +0000 (14:54 -0400)
commita4f4a763d8a01d0f461e3b8c4774ed45e9ded5f4
tree28856e40afcaa9fd5e535826c0df5e493d89c48b
parenta8fa55078a7784a99a2ce389b5d7456a3be9a941
media: v4l2-subdev: Verify v4l2_subdev_call() pointer arguments

Parameters passed to check helpers are now obtained by dereferencing
unverified pointer arguments.  Check validity of those pointers first.

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
drivers/media/v4l2-core/v4l2-subdev.c