diff options
| author | Douglas Schilling Landgraf <dougsland@redhat.com> | 2009-02-08 03:00:14 -0200 |
|---|---|---|
| committer | Douglas Schilling Landgraf <dougsland@redhat.com> | 2009-02-08 03:00:14 -0200 |
| commit | 41579b5b51a952f7bfaf05f5147f83148a7a3a68 (patch) | |
| tree | 84d44e61ba09b9efd654496f092f105d090cbbb1 /linux | |
| parent | c25f9358cc7b4f70622195b02aa6b33fb522bce8 (diff) | |
| download | mediapointer-dvb-s2-41579b5b51a952f7bfaf05f5147f83148a7a3a68.tar.gz mediapointer-dvb-s2-41579b5b51a952f7bfaf05f5147f83148a7a3a68.tar.bz2 | |
dsbr100: 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')
| -rw-r--r-- | linux/drivers/media/radio/dsbr100.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/linux/drivers/media/radio/dsbr100.c b/linux/drivers/media/radio/dsbr100.c index 0516711f8..155a75341 100644 --- a/linux/drivers/media/radio/dsbr100.c +++ b/linux/drivers/media/radio/dsbr100.c @@ -455,7 +455,10 @@ 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"); @@ -606,7 +609,10 @@ 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) { |