media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF
authorHans Verkuil <hans.verkuil@cisco.com>
Wed, 24 Jan 2018 13:37:04 +0000 (08:37 -0500)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Tue, 30 Jan 2018 12:24:06 +0000 (07:24 -0500)
commit3ee6d040719ae09110e5cdf24d5386abe5d1b776
tree949841cd79b22a9a1a974f29b9412dc8b6359f19
parent181a4a2d5a0a7b43cab08a70710d727e7764ccdd
media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF

The result of the VIDIOC_PREPARE_BUF ioctl was never copied back
to userspace since it was missing in the switch.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: <stable@vger.kernel.org> # for v4.15 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/v4l2-core/v4l2-compat-ioctl32.c