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rtc: ds1374, fix lock imbalance

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When i2c_smbus_read_byte_data fails in ds1374_work, we forgot to unlock
the held lock.  Fix that.

Signed-off-by: Jiri Slaby <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Scott Wood <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Jiri Slaby 2009-07-05 12:08:03 -07:00 • committed by Linus Torvalds
commit 28df30e61b
1 changed files with 2 additions and 2 deletions
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4
drivers/rtc/rtc-ds1374.c
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@ -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);
}