From df20286ab1e36eaaf1f6c7e5e2c56bea1ffc26c0 Mon Sep 17 00:00:00 2001
From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Date: Sat, 8 Nov 2014 20:42:20 -0500
Subject: [PATCH] sunvnet: Add missing rcu_read_unlock() in vnet_start_xmit
The out_dropped label will only do rcu_read_unlock for non-null port.
So add the missing rcu_read_unlock() when bailing due to non-null port.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/sun/sunvnet.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c
index 826b3852c7df..55d66c9a6627 100644
--- a/drivers/net/ethernet/sun/sunvnet.c
+++ b/drivers/net/ethernet/sun/sunvnet.c
@@ -981,8 +981,10 @@ static int vnet_start_xmit(struct sk_buff *skb, struct net_device *dev)
rcu_read_lock();
port = __tx_port_find(vp, skb);
- if (unlikely(!port))
+ if (unlikely(!port)) {
+ rcu_read_unlock();
goto out_dropped;
+ }
if (skb->len > port->rmtu) {
unsigned long localmtu = port->rmtu - ETH_HLEN;
--
2.34.1