V4L/DVB (12373): hdpvr: fix lock imbalances
There are many lock imbalances in this driver. Fix all found.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/hdpvr/hdpvr-video.c b/drivers/media/video/hdpvr/hdpvr-video.c
index d678765..2eb9dc2 100644
--- a/drivers/media/video/hdpvr/hdpvr-video.c
+++ b/drivers/media/video/hdpvr/hdpvr-video.c
@@ -375,6 +375,7 @@
* in resumption */
mutex_lock(&dev->io_mutex);
dev->open_count++;
+ mutex_unlock(&dev->io_mutex);
fh->dev = dev;
@@ -383,7 +384,6 @@
retval = 0;
err:
- mutex_unlock(&dev->io_mutex);
return retval;
}
@@ -519,8 +519,10 @@
mutex_lock(&dev->io_mutex);
- if (video_is_unregistered(dev->video_dev))
+ if (video_is_unregistered(dev->video_dev)) {
+ mutex_unlock(&dev->io_mutex);
return -EIO;
+ }
if (dev->status == STATUS_IDLE) {
if (hdpvr_start_streaming(dev)) {