diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2008-07-30 08:43:36 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-12 09:36:47 -0200 |
| commit | d56dc61265d2527a63ab5b0f03199a43cd89ca36 (patch) | |
| tree | bea2a5b12fc120ca6e8797b2f16ad9696e0f25dd /drivers/media/radio | |
| parent | 95f73c5b57990c97047c200b8746ab62a360c5bc (diff) | |
| download | op-kernel-dev-d56dc61265d2527a63ab5b0f03199a43cd89ca36.zip op-kernel-dev-d56dc61265d2527a63ab5b0f03199a43cd89ca36.tar.gz | |
V4L/DVB (8613): v4l: move BKL down to the driver level.
The BKL is now moved from the video_open function in v4l2-dev.c to the
various drivers. It seems about a third of the drivers already has a
lock of some sort protecting the open(), another third uses
video_exclusive_open (yuck!) and the last third required adding the
BKL in their open function.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/radio')
| -rw-r--r-- | drivers/media/radio/dsbr100.c | 3 | ||||
| -rw-r--r-- | drivers/media/radio/radio-si470x.c | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c index 70c65a7..3a4eb44 100644 --- a/drivers/media/radio/dsbr100.c +++ b/drivers/media/radio/dsbr100.c @@ -407,15 +407,18 @@ static int usb_dsbr100_open(struct inode *inode, struct file *file) { struct dsbr100_device *radio=video_get_drvdata(video_devdata(file)); + lock_kernel(); radio->users = 1; radio->muted = 1; if (dsbr100_start(radio)<0) { warn("Radio did not start up properly"); radio->users = 0; + unlock_kernel(); return -EIO; } dsbr100_setfreq(radio, radio->curfreq); + unlock_kernel(); return 0; } diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c index 16c7ef2..337d557 100644 --- a/drivers/media/radio/radio-si470x.c +++ b/drivers/media/radio/radio-si470x.c @@ -1074,6 +1074,7 @@ static int si470x_fops_open(struct inode *inode, struct file *file) struct si470x_device *radio = video_get_drvdata(video_devdata(file)); int retval; + lock_kernel(); radio->users++; retval = usb_autopm_get_interface(radio->intf); @@ -1090,6 +1091,7 @@ static int si470x_fops_open(struct inode *inode, struct file *file) } done: + unlock_kernel(); return retval; } |
