[media] vb2: core: Skip planes array verification if pb is NULL

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An earlier patch fixing an input validation issue introduced another
issue: vb2_core_dqbuf() is called with pb argument value NULL in some
cases, causing a NULL pointer dereference. Fix this by skipping the
verification as there's nothing to verify.

Fixes: e7e0c3e265 ("[media] videobuf2-core: Check user space planes array in dqbuf")

Signed-off-by: David R <david@unsolicited.net>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: stable@vger.kernel.org # for v4.4 and later
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

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Sakari Ailus 2016-05-11 18:44:32 -03:00 • committed by Mauro Carvalho Chehab

parent 6f0dd24a08

commit 126f402984

1 changed files with 6 additions and 4 deletions

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

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