From 7d8ee8247bc2c042fd3fff6e3b311730b7c42d5a Mon Sep 17 00:00:00 2001
From: Florin Malita <fmalita@gmail.com>
Date: Mon, 5 Jun 2006 15:34:33 -0700
Subject: [PATCH] [PPPOE]: Missing result check in __pppoe_xmit().

[backport of 2.6 commit 9bc18091a5e44a368827f539289b99788eb27d4e]

skb_clone() may fail, we should check the result.

Coverity CID: 1215.

Signed-off-by: Florin Malita <fmalita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Willy Tarreau <w@1wt.eu>
---
 drivers/net/pppoe.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index 85bbc782..5af4d65b 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -907,6 +907,9 @@ int __pppoe_xmit(struct sock *sk, struct sk_buff *skb)
 		 * give dev_queue_xmit something it can free.
 		 */
 		skb2 = skb_clone(skb, GFP_ATOMIC);
+
+		if (skb2 == NULL)
+			goto abort;
 	}
 
 	ph = (struct pppoe_hdr *) skb_push(skb2, sizeof(struct pppoe_hdr));
-- 
2.11.0