From 224c89907cebfe135bafbde28257944f0f71d2c5 Mon Sep 17 00:00:00 2001 From: stephen hemminger Date: Mon, 17 Jun 2013 12:09:59 -0700 Subject: [PATCH] vxlan: handle skb_clone failure If skb_clone fails if out of memory then just skip the fanout. Problem was introduced in 3.10 with: commit 9d331eecd43fcb0cac47f997f2013c58f7f7dee9 Author: David Stevens Date: Fri Mar 15 04:35:51 2013 +0000 vxlan: generalize forwarding tables Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- drivers/net/vxlan.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 15a73ec42c64e..dda997a0102c3 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1161,9 +1161,11 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) struct sk_buff *skb1; skb1 = skb_clone(skb, GFP_ATOMIC); - rc1 = vxlan_xmit_one(skb1, dev, rdst, did_rsc); - if (rc == NETDEV_TX_OK) - rc = rc1; + if (skb1) { + rc1 = vxlan_xmit_one(skb1, dev, rdst, did_rsc); + if (rc == NETDEV_TX_OK) + rc = rc1; + } } rc1 = vxlan_xmit_one(skb, dev, rdst0, did_rsc); -- 2.39.5