Commit 96b1a702 authored Sep 19, 2012 by Hans Verkuil Committed by Mauro Carvalho Chehab Oct 05, 2012

[media] v4l2-ioctl.c: handle PREPARE_BUF like QUERYBUF



The core code for PREPARE_BUF didn't take the multiplanar case into account,
which might cause page faults. Handle PREPARE_BUF just like QUERYBUF and
QBUF/DQBUF.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

parent 3c0b6061

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

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -2188,6 +2188,7 @@ static int check_array_args(unsigned int cmd, void parg, size_t array_size,
	int ret = 0;		int ret = 0;

	switch (cmd) {		switch (cmd) {
			case VIDIOC_PREPARE_BUF:
	case VIDIOC_QUERYBUF:		case VIDIOC_QUERYBUF:
	case VIDIOC_QBUF:		case VIDIOC_QBUF:
	case VIDIOC_DQBUF: {		case VIDIOC_DQBUF: {