diff options
Diffstat (limited to 'drivers/media/radio/radio-mr800.c')
| -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); |