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| author | Douglas Schilling Landgraf <dougsland@redhat.com> | 2009-02-05 09:57:19 -0200 |
|---|---|---|
| committer | Douglas Schilling Landgraf <dougsland@redhat.com> | 2009-02-05 09:57:19 -0200 |
| commit | 08e10a545481449933bbb9a40be2dbb4e3a7a40c (patch) | |
| tree | be8c5d582d8b677540f4f532224998f899e326e1 /linux/drivers/media/radio/radio-mr800.c | |
| parent | 38f50860e8ac9f600fd8240f54f2fdb753f7bb9f (diff) | |
| download | mediapointer-dvb-s2-08e10a545481449933bbb9a40be2dbb4e3a7a40c.tar.gz mediapointer-dvb-s2-08e10a545481449933bbb9a40be2dbb4e3a7a40c.tar.bz2 | |
radio-mr800: add few lost mutex locks
From: Alexey Klimov <klimov.linux@gmail.com>
Patch adds two lost mutex locks.
Priority: normal
Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Diffstat (limited to 'linux/drivers/media/radio/radio-mr800.c')
| -rw-r--r-- | linux/drivers/media/radio/radio-mr800.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/linux/drivers/media/radio/radio-mr800.c b/linux/drivers/media/radio/radio-mr800.c index b6ac1d48d..e1c63d76e 100644 --- a/linux/drivers/media/radio/radio-mr800.c +++ b/linux/drivers/media/radio/radio-mr800.c @@ -434,7 +434,10 @@ 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, @@ -602,7 +605,9 @@ 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); |