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V4L/DVB (10461): radio-mr800: add few lost mutex locks

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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>
This commit is contained in:
Alexey Klimov 2009-02-05 08:57:19 -03:00 committed by Mauro Carvalho Chehab
parent 1bb16d7156
commit 52433bbbef
1 changed files with 5 additions and 0 deletions
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5
drivers/media/radio/radio-mr800.c
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@ -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);