diff options
Diffstat (limited to 'drivers/isdn/gigaset/proc.c')
| -rw-r--r-- | drivers/isdn/gigaset/proc.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c index 80d8ef1874f3..d267a636b53c 100644 --- a/drivers/isdn/gigaset/proc.c +++ b/drivers/isdn/gigaset/proc.c @@ -19,8 +19,15 @@ 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); - return sprintf(buf, "%d\n", atomic_read(&cs->cidmode)); + + spin_lock_irqsave(&cs->lock, flags); + ret = sprintf(buf, "%u\n", cs->cidmode); + spin_unlock_irqrestore(&cs->lock, flags); + + return ret; } static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr, |