summaryrefslogtreecommitdiffstats
path: root/drivers/media
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/i2c/ad9389b.c2
-rw-r--r--drivers/media/i2c/adv7511.c2
-rw-r--r--drivers/media/i2c/adv7604.c4
-rw-r--r--drivers/media/i2c/adv7842.c4
-rw-r--r--drivers/media/v4l2-core/v4l2-subdev.c24
5 files changed, 20 insertions, 16 deletions
diff --git a/drivers/media/i2c/ad9389b.c b/drivers/media/i2c/ad9389b.c
index f00b3dd2b45..fada1756620 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;
diff --git a/drivers/media/i2c/adv7511.c b/drivers/media/i2c/adv7511.c
index d77a1db4f94..f98acf4aafd 100644
--- a/drivers/media/i2c/adv7511.c
+++ b/drivers/media/i2c/adv7511.c
@@ -783,8 +783,6 @@ static int adv7511_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;
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index 98cc5407f1b..338baa4c23e 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -1673,8 +1673,6 @@ static int adv7604_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;
if (edid->blocks > state->edid.blocks)
edid->blocks = state->edid.blocks;
@@ -1761,8 +1759,6 @@ static int adv7604_set_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid)
edid->blocks = 2;
return -E2BIG;
}
- if (!edid->edid)
- return -EINVAL;
v4l2_dbg(2, debug, sd, "%s: write EDID pad %d, edid.present = 0x%x\n",
__func__, edid->pad, state->edid.present);
diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c
index d85e125aa8d..0d554919cdd 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],
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index db126dbc19c..058c1a6e839 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -361,11 +361,27 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
sd, pad, set_selection, subdev_fh, sel);
}
- case VIDIOC_G_EDID:
- return v4l2_subdev_call(sd, pad, get_edid, arg);
+ case VIDIOC_G_EDID: {
+ struct v4l2_subdev_edid *edid = arg;
- case VIDIOC_S_EDID:
- return v4l2_subdev_call(sd, pad, set_edid, arg);
+ if (edid->pad >= sd->entity.num_pads)
+ return -EINVAL;
+ if (edid->blocks && edid->edid == NULL)
+ return -EINVAL;
+
+ return v4l2_subdev_call(sd, pad, get_edid, edid);
+ }
+
+ case VIDIOC_S_EDID: {
+ struct v4l2_subdev_edid *edid = arg;
+
+ if (edid->pad >= sd->entity.num_pads)
+ return -EINVAL;
+ if (edid->blocks && edid->edid == NULL)
+ return -EINVAL;
+
+ return v4l2_subdev_call(sd, pad, set_edid, edid);
+ }
case VIDIOC_SUBDEV_DV_TIMINGS_CAP: {
struct v4l2_dv_timings_cap *cap = arg;