[PATCH net-next] tipc: add missing dev_put() on error in tipc_enable_l2_media

-----Original Message-----
From: netdev-owner@vger.kernel.org <redacted> On Behalf Of YueHaibing
Sent: Wednesday, 25 July, 2018 05:01
To: davem@davemloft.net; Jon Maloy <redacted>; ying.xue@windriver.com
Cc: linux-kernel@vger.kernel.org; netdev@vger.kernel.org; tipc-discussion@lists.sourceforge.net; YueHaibing
[off-list ref]
Subject: [PATCH net-next] tipc: add missing dev_put() on error in tipc_enable_l2_media

when tipc_own_id failed to obtain node identity,dev_put should
be call before return -EINVAL.

Fixes: 682cd3cf946b ("tipc: confgiure and apply UDP bearer MTU on running links")
Signed-off-by: YueHaibing <redacted>
---
 net/tipc/bearer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index fd6d8f1..418f03d 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c

@@ -395,6 +395,7 @@ int tipc_enable_l2_media(struct net *net, struct tipc_bearer *b,
 		tipc_net_init(net, node_id, 0);
 	}
 	if (!tipc_own_id(net)) {
+		dev_put(dev);
 		pr_warn("Failed to obtain node identity\n");
 		return -EINVAL;
 	}
--

2.7.0