vxlan: release rt when found circular route

Fan Du · davem330 · commit fffc15a5012e · 2013-12-10T22:01:54.000-05:00
Otherwise causing dst memory leakage.
Have Checked all other type tunnel device transmit implementation,
no such things happens anymore.

Signed-off-by: Fan Du &lt;fan.du@windriver.com&gt;
Acked-by: Eric Dumazet &lt;edumazet@google.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
@@ -1668,7 +1668,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
 			netdev_dbg(dev, "circular route to %pI4\n",
 				   &dst->sin.sin_addr.s_addr);
 			dev->stats.collisions++;
-			goto tx_error;
+			goto rt_tx_error;
 		}
 
 		/* Bypass encapsulation if the destination is local */

Original file line number	Diff line number	Diff line change
`@@ -1668,7 +1668,7 @@ static void vxlan_xmit_one(struct sk_buff skb, struct net_device dev,`
`1668`	`1668`	`netdev_dbg(dev, "circular route to %pI4\n",`
`1669`	`1669`	`&dst->sin.sin_addr.s_addr);`
`1670`	`1670`	`dev->stats.collisions++;`
`1671`		`- goto tx_error;`
	`1671`	`+ goto rt_tx_error;`
`1672`	`1672`	`}`
`1673`	`1673`
`1674`	`1674`	`/* Bypass encapsulation if the destination is local */`