diff options
| author | Tilman Schmidt <tilman@imap.cc> | 2007-10-16 01:27:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 09:43:10 -0700 |
| commit | 4d1ff582246de67b15e3cd2427a39875943ae895 (patch) | |
| tree | 659e1afb58fbaaf9ed70a830cb6fc6f69398d6e6 /drivers/isdn/gigaset/bas-gigaset.c | |
| parent | f438d914b220051d4cbc65cbc5d98e163c85c93b (diff) | |
| download | op-kernel-dev-4d1ff582246de67b15e3cd2427a39875943ae895.zip op-kernel-dev-4d1ff582246de67b15e3cd2427a39875943ae895.tar.gz | |
gigaset: remove pointless locking
Remove pointless taking of spinlock around reading a single pointer-sized
or smaller variable.
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/isdn/gigaset/bas-gigaset.c')
| -rw-r--r-- | drivers/isdn/gigaset/bas-gigaset.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c index 00e3160..af76482 100644 --- a/drivers/isdn/gigaset/bas-gigaset.c +++ b/drivers/isdn/gigaset/bas-gigaset.c @@ -1936,14 +1936,7 @@ static int gigaset_write_room(struct cardstate *cs) */ static int gigaset_chars_in_buffer(struct cardstate *cs) { - unsigned long flags; - unsigned bytes; - - spin_lock_irqsave(&cs->cmdlock, flags); - bytes = cs->cmdbytes; - spin_unlock_irqrestore(&cs->cmdlock, flags); - - return bytes; + return cs->cmdbytes; } /* gigaset_brkchars |
