[PATCH 3/4] driver core: node: use put_device() if device_register fail

[Arvind Yadav]

if device_register() returned an error! Always use put_device()
to give up the reference initialized.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
 drivers/base/node.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/base/node.c b/drivers/base/node.c
index ee090ab..c5f81fc 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -315,7 +315,9 @@ static int register_node(struct node *node, int num)
 	node->dev.groups = node_dev_groups;
 	error = device_register(&node->dev);
 
-	if (!error){
+	if (error)
+		put_device(&node->dev);
+	else {
 		hugetlb_register_node(node);
 
 		compaction_register_node(node);
-- 
2.7.4