From 78b055be2710b63cb196fc37669f3b662fecc9e4 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 19 Nov 2010 17:04:31 -0300 Subject: [PATCH] [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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-alsa-pcm.c | 8 +++++++- 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 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; } diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index 9045f1ece0eb..ab461e27d9dd 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, }; -- 2.34.1