This is an automatic generated email to let you know that the following patch were queued at the http://git.linuxtv.org/media_tree.git tree:
Subject: [media] v4l: Validate fields in the core code for subdev EDID ioctls Author: Laurent Pinchart <[email protected]> Date: Wed Jan 29 10:07:13 2014 -0300 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 <[email protected]> Acked-by: Sakari Ailus <[email protected]> Reviewed-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/i2c/ad9389b.c | 2 -- drivers/media/i2c/adv7511.c | 2 -- drivers/media/i2c/adv7604.c | 4 ---- drivers/media/i2c/adv7842.c | 4 ---- drivers/media/v4l2-core/v4l2-subdev.c | 24 ++++++++++++++++++++---- 5 files changed, 20 insertions(+), 16 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=f2e9084779d3ad3b51ee45a3a53fead3f16516ca diff --git a/drivers/media/i2c/ad9389b.c b/drivers/media/i2c/ad9389b.c index f00b3dd..fada175 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 d77a1db..f98acf4 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 98cc540..338baa4 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 d85e125..0d55491 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 db126db..058c1a6 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; _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
