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mtd: cfi_cmdset_0002, fix lock imbalance

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Stanse found a double unlock in get_chip. get_chip is called with
chip->mutex held and caller is responsible for unlocking it too.

Do not unlock the lock in get_chip on a fail path. This would mean
a double unlock.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Jiri Slaby 2009-12-10 14:23:57 +01:00 committed by David Woodhouse
parent 51eeb87815
commit caf0e8e028
1 changed files with 0 additions and 1 deletions
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drivers/mtd/chips/cfi_cmdset_0002.c
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@ -569,7 +569,6 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
if (time_after(jiffies, timeo)) {
printk(KERN_ERR "Waiting for chip to be ready timed out.\n");
spin_unlock(chip->mutex);
return -EIO;
}
spin_unlock(chip->mutex);