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/proc.c | |
| parent | f438d914b220051d4cbc65cbc5d98e163c85c93b (diff) | |
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/proc.c')
| -rw-r--r-- | drivers/isdn/gigaset/proc.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c index e767afa55ab..da6f3acf9fd 100644 --- a/drivers/isdn/gigaset/proc.c +++ b/drivers/isdn/gigaset/proc.c @@ -19,15 +19,9 @@ static ssize_t show_cidmode(struct device *dev, struct device_attribute *attr, char *buf) { - int ret; - unsigned long flags; struct cardstate *cs = dev_get_drvdata(dev); - spin_lock_irqsave(&cs->lock, flags); - ret = sprintf(buf, "%u\n", cs->cidmode); - spin_unlock_irqrestore(&cs->lock, flags); - - return ret; + return sprintf(buf, "%u\n", cs->cidmode); } static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr, |