[media] videobuf2-core: Check user space planes array in dqbuf

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The number of planes in videobuf2 is specific to a buffer. In order to
verify that the planes array provided by the user is long enough, a new
vb2_buf_op is required.

Call __verify_planes_array() when the dequeued buffer is known. Return an
error to the caller if there was one, otherwise remove the buffer from the
done list.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: stable@vger.kernel.org # for v4.4 and later
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

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Sakari Ailus 2016-04-03 16:15:00 -03:00 • committed by Mauro Carvalho Chehab

parent 405ddbfa68

commit e7e0c3e265

2 changed files with 9 additions and 5 deletions

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10

drivers/media/v4l2-core/videobuf2-core.c

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4

include/media/videobuf2-core.h

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