sound: push BKL into open functions

This moves the lock_kernel() call from soundcore_open
to the individual OSS device drivers, where we can deal
with it one driver at a time if needed, or just kill
off the drivers.

All core components in ALSA already provide
adequate locking in their open()-functions
and do not require the big kernel lock, so
there is no need to add the BKL there.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 1 insertions, 5 deletions

diff --git a/sound/sound_core.c b/sound/sound_core.c
index c8627fcd4900..cb61317df509 100644
--- a/sound/sound_core.c
+++ b/sound/sound_core.c
@@ -629,12 +629,8 @@ static int soundcore_open(struct inode *inode, struct file *file)
                 file->f_op = new_fops;
                 spin_unlock(&sound_loader_lock);
 
-                if (file->f_op->open) {
-                        /* TODO: push down BKL into indivial open functions */
-                        lock_kernel();
+                if (file->f_op->open)
                         err = file->f_op->open(inode,file);
-                        unlock_kernel();
-                }
 
                 if (err) {
                         fops_put(file->f_op);