netdev - [PATCH v3 net 2/5] vxlan: handle skb

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Message-ID: <20130610173724.46437629@nehalam.linuxnetplumber.net>
Date:	Mon, 10 Jun 2013 17:37:24 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org,
	Stephen Hemminger <stephen@...workplumber.org>
Subject: [PATCH v3 net 2/5] vxlan: handle skb_clone failure

skb_clone can fail if out of memory. Just skip the fanout.

Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>

---
v3 - no change

Needs be in -net. Not needed for stable.

--- a/drivers/net/vxlan.c	2013-06-10 15:04:59.239993130 -0700
+++ b/drivers/net/vxlan.c	2013-06-10 15:06:15.186973784 -0700
@@ -1198,9 +1198,11 @@ static netdev_tx_t vxlan_xmit(struct sk_
 		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);

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