diff options
author | Alexey Klimov <klimov.linux@gmail.com> | 2009-02-05 08:57:19 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 12:42:40 -0300 |
commit | 52433bbbef633047838dcc5a735ee241a05234a0 (patch) | |
tree | 9d3a11768f64a86bd0828dfe3c0f29fed7d5643f /drivers/media | |
parent | 1bb16d7156d7d6b7e357de561bf965fd65545bb0 (diff) |
V4L/DVB (10461): radio-mr800: add few lost mutex locks
Patch adds two lost mutex locks.
Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/radio/radio-mr800.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c index 25ccf21c469..56f1fac6d28 100644 --- a/drivers/media/radio/radio-mr800.c +++ b/drivers/media/radio/radio-mr800.c @@ -431,7 +431,10 @@ static int vidioc_s_frequency(struct file *file, void *priv, if (radio->removed) return -EIO; + mutex_lock(&radio->lock); radio->curfreq = f->frequency; + mutex_unlock(&radio->lock); + retval = amradio_setfreq(radio, radio->curfreq); if (retval < 0) amradio_dev_warn(&radio->videodev->dev, @@ -599,7 +602,9 @@ static int usb_amradio_close(struct file *file) if (!radio) return -ENODEV; + mutex_lock(&radio->lock); radio->users = 0; + mutex_unlock(&radio->lock); if (!radio->removed) { retval = amradio_set_mute(radio, AMRADIO_STOP); |