diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-03-19 04:09:26 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-24 06:25:34 -0300 |
| commit | b530a447bb588fdf43fdf4eb909e4ee1921d47ac (patch) | |
| tree | 8c9f6abb0f0c07ceea984a87fd80e9e65e7d483b /drivers/media/usb/em28xx/em28xx-video.c | |
| parent | 69aa6f4ec669b9121057cc9e32cb10b5f744f6d6 (diff) | |
[media] v4l2: add const to argument of write-only s_frequency ioctl
This ioctl is defined as IOW, so pass the argument as const.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-video.c')
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-video.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index d585c19a5d9c..af79089a0169 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -1221,8 +1221,9 @@ static int vidioc_g_frequency(struct file *file, void *priv, } static int vidioc_s_frequency(struct file *file, void *priv, - struct v4l2_frequency *f) + const struct v4l2_frequency *f) { + struct v4l2_frequency new_freq = *f; struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; @@ -1230,8 +1231,8 @@ static int vidioc_s_frequency(struct file *file, void *priv, return -EINVAL; v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); - v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f); - dev->ctl_freq = f->frequency; + v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, &new_freq); + dev->ctl_freq = new_freq.frequency; return 0; } |