From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Sun, 11 Mar 2018 05:55:50 +0000 (+0530)
Subject: driver core: node: use put_device() if device_register fail
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=c1cc0d51140fbcbb3c8cb08ee7e92020dda9c1af;p=openwrt%2Fstaging%2Fblogic.git

driver core: node: use put_device() if device_register fail

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

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/base/node.c b/drivers/base/node.c
index ee090ab9171c..c5f81fc621ac 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);