linux-kernel - [PATCH] net/hsr: Fix possible leak in 'hsr_get_node

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Message-Id: <1384456378-29970-1-git-send-email-geyslan@gmail.com>
Date:	Thu, 14 Nov 2013 16:12:54 -0300
From:	"Geyslan G. Bem" <geyslan@...il.com>
To:	geyslan@...il.com
Cc:	"David S. Miller" <davem@...emloft.net>,
	Arvid Brodin <arvid.brodin@...n.com>,
	netdev@...r.kernel.org (open list:NETWORKING [GENERAL]),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] net/hsr: Fix possible leak in 'hsr_get_node_status()'

If 'hsr_get_node_data()' returns error, going directly to 'fail' label
doesn't free the memory pointed by 'skb_out'.

Signed-off-by: Geyslan G. Bem <geyslan@...il.com>
---
 net/hsr/hsr_netlink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c
index 4e66bf6..aef8429 100644
--- a/net/hsr/hsr_netlink.c
+++ b/net/hsr/hsr_netlink.c
@@ -249,7 +249,7 @@ static int hsr_get_node_status(struct sk_buff *skb_in, struct genl_info *info)
 			&hsr_node_if2_age,
 			&hsr_node_if2_seq);
 	if (res < 0)
-		goto fail;
+		goto nla_put_failure;
 
 	res = nla_put(skb_out, HSR_A_NODE_ADDR, ETH_ALEN,
 					nla_data(info->attrs[HSR_A_NODE_ADDR]));
-- 
1.8.4.2

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