From e352614cd3e7a5f7af7cff894a3b5a705181de21 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Mon, 10 Sep 2012 12:52:02 +0800
Subject: hwspinlock/core: move the dereference below the NULL test
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>
---
drivers/hwspinlock/hwspinlock_core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
(limited to 'drivers/hwspinlock/hwspinlock_core.c')
diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c
index 1201a15784c..db713c0dfba 100644
--- a/drivers/hwspinlock/hwspinlock_core.c
+++ b/drivers/hwspinlock/hwspinlock_core.c
@@ -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 */
--
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