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| author | Alexey Klimov <klimov.linux@gmail.com> | 2009-02-08 02:00:14 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 12:42:41 -0300 |
| commit | fdf9c9979a355916433262ea5e5e64bed5def86e (patch) | |
| tree | db185c51fa0cc5737e5399670bdba3014ba992b8 /drivers/media/radio/dsbr100.c | |
| parent | dc025d4a1afac9576987748f15e9ba47c7bd20db (diff) | |
| download | linux-3.10-fdf9c9979a355916433262ea5e5e64bed5def86e.tar.gz linux-3.10-fdf9c9979a355916433262ea5e5e64bed5def86e.tar.bz2 linux-3.10-fdf9c9979a355916433262ea5e5e64bed5def86e.zip | |
V4L/DVB (10465): dsbr100: 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/radio/dsbr100.c')
| -rw-r--r-- | drivers/media/radio/dsbr100.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c index 09988f020c4..cc54ed4efc4 100644 --- a/drivers/media/radio/dsbr100.c +++ b/drivers/media/radio/dsbr100.c @@ -452,7 +452,10 @@ 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 = dsbr100_setfreq(radio, radio->curfreq); if (retval < 0) dev_warn(&radio->usbdev->dev, "Set frequency failed\n"); @@ -603,7 +606,10 @@ static int usb_dsbr100_close(struct file *file) if (!radio) return -ENODEV; + mutex_lock(&radio->lock); radio->users = 0; + mutex_unlock(&radio->lock); + if (!radio->removed) { retval = dsbr100_stop(radio); if (retval < 0) { |