dac960: return success instead of -ENOTTY

There is a missing break statement here.  This used to return directly
but we re-worked it in 2008 to add locking as part of the BKL push down.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 file changed