aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/pci/ttpci/av7110_av.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/pci/ttpci/av7110_av.c')
-rw-r--r--drivers/media/pci/ttpci/av7110_av.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/pci/ttpci/av7110_av.c b/drivers/media/pci/ttpci/av7110_av.c
index 952b33dbac4f..301029ca4535 100644
--- a/drivers/media/pci/ttpci/av7110_av.c
+++ b/drivers/media/pci/ttpci/av7110_av.c
@@ -1109,6 +1109,9 @@ static int dvb_video_ioctl(struct file *file,
}
}
+ if (mutex_lock_interruptible(&av7110->ioctl_mutex))
+ return -ERESTARTSYS;
+
switch (cmd) {
case VIDEO_STOP:
av7110->videostate.play_state = VIDEO_STOPPED;
@@ -1297,6 +1300,7 @@ static int dvb_video_ioctl(struct file *file,
break;
}
+ mutex_unlock(&av7110->ioctl_mutex);
return ret;
}
@@ -1314,6 +1318,9 @@ static int dvb_audio_ioctl(struct file *file,
(cmd != AUDIO_GET_STATUS))
return -EPERM;
+ if (mutex_lock_interruptible(&av7110->ioctl_mutex))
+ return -ERESTARTSYS;
+
switch (cmd) {
case AUDIO_STOP:
if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
@@ -1442,6 +1449,7 @@ static int dvb_audio_ioctl(struct file *file,
ret = -ENOIOCTLCMD;
}
+ mutex_unlock(&av7110->ioctl_mutex);
return ret;
}

Privacy Policy