diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2010-11-19 21:04:31 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-12-01 23:10:16 +0100 |
| commit | 78b055be2710b63cb196fc37669f3b662fecc9e4 (patch) | |
| tree | 39e32dbfb6c853f811715caf1ac8d0a411a8fa83 /drivers/media/video/cx18/cx18-alsa-pcm.c | |
| parent | [media] radio-timb: convert to unlocked_ioctl (diff) | |
| download | linux-78b055be2710b63cb196fc37669f3b662fecc9e4.tar.xz linux-78b055be2710b63cb196fc37669f3b662fecc9e4.zip | |
[media] cx18: convert to unlocked_ioctl
Also added locking around snd_cx18_pcm_ioctl as a precaution
as requested by Andy Walls.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx18/cx18-alsa-pcm.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-alsa-pcm.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/media/video/cx18/cx18-alsa-pcm.c b/drivers/media/video/cx18/cx18-alsa-pcm.c index 8f55692db36d..82d195be9197 100644 --- a/drivers/media/video/cx18/cx18-alsa-pcm.c +++ b/drivers/media/video/cx18/cx18-alsa-pcm.c @@ -218,7 +218,13 @@ static int snd_cx18_pcm_capture_close(struct snd_pcm_substream *substream) static int snd_cx18_pcm_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg) { - return snd_pcm_lib_ioctl(substream, cmd, arg); + struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream); + int ret; + + snd_cx18_lock(cxsc); + ret = snd_pcm_lib_ioctl(substream, cmd, arg); + snd_cx18_unlock(cxsc); + return ret; } |