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| author | Jiri Slaby <jirislaby@gmail.com> | 2009-07-05 12:08:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-07-06 13:57:03 -0700 |
| commit | 28df30e61b46a33d1f0bb60757747396886ef687 (patch) | |
| tree | 9ef6f24145e28a38884da1ba1e2e895c3f17bbb1 /drivers/rtc | |
| parent | efc0cfa6d16103bd72a7c398f1321816b635370f (diff) | |
| download | linux-28df30e61b46a33d1f0bb60757747396886ef687.tar.gz linux-28df30e61b46a33d1f0bb60757747396886ef687.tar.bz2 linux-28df30e61b46a33d1f0bb60757747396886ef687.zip | |
rtc: ds1374, fix lock imbalance
When i2c_smbus_read_byte_data fails in ds1374_work, we forgot to unlock
the held lock. Fix that.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Scott Wood <scottwood@freescale.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-ds1374.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c index 32b27739ec2a..713f7bf5afb3 100644 --- a/drivers/rtc/rtc-ds1374.c +++ b/drivers/rtc/rtc-ds1374.c @@ -283,7 +283,7 @@ static void ds1374_work(struct work_struct *work) stat = i2c_smbus_read_byte_data(client, DS1374_REG_SR); if (stat < 0) - return; + goto unlock; if (stat & DS1374_REG_SR_AF) { stat &= ~DS1374_REG_SR_AF; @@ -302,7 +302,7 @@ static void ds1374_work(struct work_struct *work) out: if (!ds1374->exiting) enable_irq(client->irq); - +unlock: mutex_unlock(&ds1374->mutex); } |