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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2014-01-29 17:07:13 +0400
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-05-25 19:48:33 +0400
commitf2e9084779d3ad3b51ee45a3a53fead3f16516ca (patch)
tree79dc867b483e692582d373e41e5840adf602f1eb /drivers/media/i2c/ad9389b.c
parent9cfd65e80959836fed78704e8a127d4e10448d56 (diff)
downloadlinux-f2e9084779d3ad3b51ee45a3a53fead3f16516ca.tar.xz
[media] v4l: Validate fields in the core code for subdev EDID ioctls
The subdev EDID ioctls receive a pad field that must reference an existing pad and an EDID field that must point to a buffer. Validate both fields in the core code instead of duplicating validation in all drivers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/i2c/ad9389b.c')
-rw-r--r--drivers/media/i2c/ad9389b.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/media/i2c/ad9389b.c b/drivers/media/i2c/ad9389b.c
index f00b3dd2b457..fada17566205 100644
--- a/drivers/media/i2c/ad9389b.c
+++ b/drivers/media/i2c/ad9389b.c
@@ -682,8 +682,6 @@ static int ad9389b_get_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid)
return -EINVAL;
if (edid->blocks == 0 || edid->blocks > 256)
return -EINVAL;
- if (!edid->edid)
- return -EINVAL;
if (!state->edid.segments) {
v4l2_dbg(1, debug, sd, "EDID segment 0 not found\n");
return -ENODATA;