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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2014-01-29 10:07:13 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-05-25 12:48:33 -0300 |
| commit | f2e9084779d3ad3b51ee45a3a53fead3f16516ca (patch) | |
| tree | 79dc867b483e692582d373e41e5840adf602f1eb /drivers/media/i2c/adv7842.c | |
| parent | 9cfd65e80959836fed78704e8a127d4e10448d56 (diff) | |
| download | linux-0-day-f2e9084779d3ad3b51ee45a3a53fead3f16516ca.tar.gz linux-0-day-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/adv7842.c')
| -rw-r--r-- | drivers/media/i2c/adv7842.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c index d85e125aa8d81..0d554919cdd52 100644 --- a/drivers/media/i2c/adv7842.c +++ b/drivers/media/i2c/adv7842.c @@ -2036,8 +2036,6 @@ static int adv7842_get_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid) return -EINVAL; if (edid->start_block == 1) edid->blocks = 1; - if (!edid->edid) - return -EINVAL; switch (edid->pad) { case ADV7842_EDID_PORT_A: @@ -2072,8 +2070,6 @@ static int adv7842_set_edid(struct v4l2_subdev *sd, struct v4l2_edid *e) return -EINVAL; if (e->blocks > 2) return -E2BIG; - if (!e->edid) - return -EINVAL; /* todo, per edid */ state->aspect_ratio = v4l2_calc_aspect_ratio(e->edid[0x15], |