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authorDavid S. Miller <davem@davemloft.net>2012-01-24 18:23:30 -0500
committerDavid S. Miller <davem@davemloft.net>2012-01-24 18:23:30 -0500
commit61d57f87f3fb04a305f22befabd042ffbec8b852 (patch)
treeef0596f29c69f50dc2fed1bbc9bf9cfcd879cdd7
parent658c8d964eb3cdb7e4230a59ba09c75a3359ee4a (diff)
ip_gre: Fix bug added to ipgre_tunnel_xmit().
We can remove the rt_gateway == 0 check but we shouldn't remove the 'dst' initialization too. Noticed by Eric Dumazet. Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/ip_gre.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index fc213350a6e..05f7419ed7c 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -724,8 +724,10 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
goto tx_error;
}
- if (skb->protocol == htons(ETH_P_IP))
+ if (skb->protocol == htons(ETH_P_IP)) {
rt = skb_rtable(skb);
+ dst = rt->rt_gateway;
+ }
#if IS_ENABLED(CONFIG_IPV6)
else if (skb->protocol == htons(ETH_P_IPV6)) {
struct neighbour *neigh = dst_get_neighbour_noref(skb_dst(skb));