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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2012-09-10 12:52:02 +0800
committerOhad Ben-Cohen <ohad@wizery.com>2012-09-10 13:19:25 +0300
commite352614cd3e7a5f7af7cff894a3b5a705181de21 (patch)
tree5f2ddc609cdd1e54c59f638af6a3f890aa81da0d /drivers/hwspinlock
parent55d512e245bc7699a8800e23df1a24195dd08217 (diff)
downloadlinux-e352614cd3e7a5f7af7cff894a3b5a705181de21.tar.gz
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>
Diffstat (limited to 'drivers/hwspinlock')
-rw-r--r--drivers/hwspinlock/hwspinlock_core.c3
1 files changed, 2 insertions, 1 deletions
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 */