netdev - [PATCH net-next] ip: fix warning in xfrm4_mode_tunnel

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Message-ID: <20130216094029.4d2fc993@nehalam.linuxnetplumber.net>
Date:	Sat, 16 Feb 2013 09:40:29 -0800
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Stephen Hemminger <stephen@...workplumber.org>
Cc:	Pravin B Shelar <pshelar@...ira.com>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: [PATCH net-next] ip: fix warning in xfrm4_mode_tunnel_input

Same problem as IPv6

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


--- a/net/ipv4/xfrm4_mode_tunnel.c	2013-02-16 09:09:41.388937316 -0800
+++ b/net/ipv4/xfrm4_mode_tunnel.c	2013-02-16 09:39:21.849910500 -0800
@@ -142,7 +142,8 @@ static int xfrm4_mode_tunnel_input(struc
 	for_each_input_rcu(rcv_notify_handlers, handler)
 		handler->handler(skb);
 
-	if (err = skb_unclone(skb, GFP_ATOMIC))
+	err = skb_unclone(skb, GFP_ATOMIC);
+	if (err)
 		goto out;
 
 	if (x->props.flags & XFRM_STATE_DECAP_DSCP)

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