It's also invalid when plane_no is equal to vb->num_planes
Signed-off-by: NZhaowei Yuan <zhaowei.yuan@samsung.com>
Cc: stable@vger.kernel.org      # for v3.7 and up
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>