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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2010-11-19 17:04:31 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-12-01 20:10:16 -0200 |
| commit | 78b055be2710b63cb196fc37669f3b662fecc9e4 (patch) | |
| tree | 39e32dbfb6c853f811715caf1ac8d0a411a8fa83 /drivers/media/video/cx18 | |
| parent | 4f68775b7dfc6115169f689a42535486bf10977e (diff) | |
| download | kernel_samsung_smdk4412-78b055be2710b63cb196fc37669f3b662fecc9e4.zip kernel_samsung_smdk4412-78b055be2710b63cb196fc37669f3b662fecc9e4.tar.gz kernel_samsung_smdk4412-78b055be2710b63cb196fc37669f3b662fecc9e4.tar.bz2 | |
[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')
| -rw-r--r-- | drivers/media/video/cx18/cx18-alsa-pcm.c | 8 | ||||
| -rw-r--r-- | drivers/media/video/cx18/cx18-streams.c | 2 |
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/media/video/cx18/cx18-alsa-pcm.c b/drivers/media/video/cx18/cx18-alsa-pcm.c index 8f55692..82d195b 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; } diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index 9045f1e..ab461e2 100644 --- a/drivers/media/video/cx18/cx18-streams.c +++ b/drivers/media/video/cx18/cx18-streams.c @@ -41,7 +41,7 @@ static struct v4l2_file_operations cx18_v4l2_enc_fops = { .read = cx18_v4l2_read, .open = cx18_v4l2_open, /* FIXME change to video_ioctl2 if serialization lock can be removed */ - .ioctl = cx18_v4l2_ioctl, + .unlocked_ioctl = cx18_v4l2_ioctl, .release = cx18_v4l2_close, .poll = cx18_v4l2_enc_poll, }; |