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[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>
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4f68775b7d
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78b055be27
2 changed files with 8 additions and 2 deletions
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@ -218,7 +218,13 @@ static int snd_cx18_pcm_capture_close(struct snd_pcm_substream *substream)
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static int snd_cx18_pcm_ioctl(struct snd_pcm_substream *substream,
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unsigned int cmd, void *arg)
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{
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return snd_pcm_lib_ioctl(substream, cmd, arg);
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struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);
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int ret;
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snd_cx18_lock(cxsc);
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ret = snd_pcm_lib_ioctl(substream, cmd, arg);
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snd_cx18_unlock(cxsc);
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return ret;
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}
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@ -41,7 +41,7 @@ static struct v4l2_file_operations cx18_v4l2_enc_fops = {
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.read = cx18_v4l2_read,
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.open = cx18_v4l2_open,
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/* FIXME change to video_ioctl2 if serialization lock can be removed */
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.ioctl = cx18_v4l2_ioctl,
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.unlocked_ioctl = cx18_v4l2_ioctl,
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.release = cx18_v4l2_close,
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.poll = cx18_v4l2_enc_poll,
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};
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