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/video/saa7134/saa7134-empress.c | |
| parent | 95f73c5b57990c97047c200b8746ab62a360c5bc (diff) | |
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/video/saa7134/saa7134-empress.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-empress.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index c0c5d7509c25..6f423d116fb4 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -79,9 +79,11 @@ static int ts_open(struct inode *inode, struct file *file) struct saa7134_dev *dev; int err; + lock_kernel(); list_for_each_entry(dev, &saa7134_devlist, devlist) if (dev->empress_dev && dev->empress_dev->minor == minor) goto found; + unlock_kernel(); return -ENODEV; found: @@ -103,6 +105,7 @@ static int ts_open(struct inode *inode, struct file *file) done_up: mutex_unlock(&dev->empress_tsq.vb_lock); done: + unlock_kernel(); return err; } |