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hwspinlock/core: move the dereference below the NULL test

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The dereference should be moved below the NULL test.

spatch with a semantic match is used to found this.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
This commit is contained in:
Wei Yongjun 2012-09-10 12:52:02 +08:00 committed by Ohad Ben-Cohen
parent 55d512e245
commit e352614cd3
1 changed files with 2 additions and 1 deletions
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3
drivers/hwspinlock/hwspinlock_core.c
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@ -552,7 +552,7 @@ EXPORT_SYMBOL_GPL(hwspin_lock_request_specific);
*/
int hwspin_lock_free(struct hwspinlock *hwlock)
{
struct device *dev = hwlock->bank->dev;
struct device *dev;
struct hwspinlock *tmp;
int ret;
@ -561,6 +561,7 @@ int hwspin_lock_free(struct hwspinlock *hwlock)
return -EINVAL;
}
dev = hwlock->bank->dev;
mutex_lock(&hwspinlock_tree_lock);
/* make sure the hwspinlock is used */