diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-03-15 06:10:40 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-24 06:47:00 -0300 |
| commit | 314527acbbb3f33f72c2ef19d8cfabcada9912a5 (patch) | |
| tree | 871021b9e888444f9f71f5c12ecf0272d77fdf8d /drivers/media/v4l2-core | |
| parent | 2f73c7c582a685b3198b974cd6d964d0338f8ab5 (diff) | |
| download | blackbird-obmc-linux-314527acbbb3f33f72c2ef19d8cfabcada9912a5.tar.gz blackbird-obmc-linux-314527acbbb3f33f72c2ef19d8cfabcada9912a5.zip | |
[media] v4l2: pass std by value to the write-only s_std ioctl
This ioctl is defined as IOW, so pass the argument by value instead of by
reference. I could have chosen to add const instead, but this is 1) easier
to handle in drivers and 2) consistent with the s_std subdev operation.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/v4l2-core')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 8ec8abe0ffe7..d80d8afba3fb 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1383,15 +1383,15 @@ static int v4l_s_std(const struct v4l2_ioctl_ops *ops, struct file *file, void *fh, void *arg) { struct video_device *vfd = video_devdata(file); - v4l2_std_id *id = arg, norm; + v4l2_std_id id = *(v4l2_std_id *)arg, norm; int ret; - norm = (*id) & vfd->tvnorms; + norm = id & vfd->tvnorms; if (vfd->tvnorms && !norm) /* Check if std is supported */ return -EINVAL; /* Calls the specific handler */ - ret = ops->vidioc_s_std(file, fh, &norm); + ret = ops->vidioc_s_std(file, fh, norm); /* Updates standard information */ if (ret >= 0) |
