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>
diff --git a/drivers/media/video/stv680.c b/drivers/media/video/stv680.c
index dce9474..b21a8d6 100644
--- a/drivers/media/video/stv680.c
+++ b/drivers/media/video/stv680.c
@@ -1086,6 +1086,7 @@
int err = 0;
/* we are called with the BKL held */
+ lock_kernel();
stv680->user = 1;
err = stv_init (stv680); /* main initialization routine for camera */
@@ -1099,6 +1100,7 @@
}
if (err)
stv680->user = 0;
+ unlock_kernel();
return err;
}