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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2011-03-21 12:33:25 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-03-23 01:41:56 +0300 |
| commit | d366d4a08a4e5e1fddc2cc820302be8e7a8143d4 (patch) | |
| tree | 075deadb65cca98c621b6d9cea246752b3ed7031 /drivers/media | |
| parent | 0e4c180d3e2cc11e248f29d4c604b6194739d05a (diff) | |
| download | linux-d366d4a08a4e5e1fddc2cc820302be8e7a8143d4.tar.xz | |
[media] V4L: soc-camera: explicitly require V4L2_BUF_TYPE_VIDEO_CAPTURE
The soc-camera core accesses the "pix" member of the struct v4l2_format::fmt
union, which is only valid for V4L2_BUF_TYPE_VIDEO_CAPTURE streams. This
patch adds explicit checks for this to {g,s,try}_fmt methods.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/soc_camera.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c index 07525e74c4b4..46284489e4eb 100644 --- a/drivers/media/video/soc_camera.c +++ b/drivers/media/video/soc_camera.c @@ -144,6 +144,10 @@ static int soc_camera_try_fmt_vid_cap(struct file *file, void *priv, WARN_ON(priv != file->private_data); + /* Only single-plane capture is supported so far */ + if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + /* limit format to hardware capabilities */ return ici->ops->try_fmt(icd, f); } @@ -396,10 +400,6 @@ static int soc_camera_set_fmt(struct soc_camera_device *icd, if (ici->ops->init_videobuf) icd->vb_vidq.field = pix->field; - if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - dev_warn(&icd->dev, "Attention! Wrong buf-type %d\n", - f->type); - dev_dbg(&icd->dev, "set width: %d height: %d\n", icd->user_width, icd->user_height); @@ -618,6 +618,11 @@ static int soc_camera_s_fmt_vid_cap(struct file *file, void *priv, WARN_ON(priv != file->private_data); + if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { + dev_warn(&icd->dev, "Wrong buf-type %d\n", f->type); + return -EINVAL; + } + if (icd->streamer && icd->streamer != file) return -EBUSY; @@ -661,6 +666,9 @@ static int soc_camera_g_fmt_vid_cap(struct file *file, void *priv, WARN_ON(priv != file->private_data); + if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + pix->width = icd->user_width; pix->height = icd->user_height; pix->bytesperline = icd->bytesperline; |