netdev - [patch] af_key: return error if pfkey_xfrm_policy2msg

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Date:	Wed, 24 Mar 2010 14:47:00 +0300
From:	Dan Carpenter <error27@...il.com>
To:	netdev@...r.kernel.org
Cc:	Jamal Hadi Salim <hadi@...erus.ca>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	Alexey Dobriyan <adobriyan@...il.com>,
	kernel-janitors@...r.kernel.org
Subject: [patch] af_key: return error if pfkey_xfrm_policy2msg_prep() fails

The original code saved the error value but just returned 0 in the end.

Signed-off-by: Dan Carpenter <error27@...il.com>

diff --git a/net/key/af_key.c b/net/key/af_key.c
index 3687078..344145f 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -2129,10 +2129,9 @@ static int key_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *c
 	int err;
 
 	out_skb = pfkey_xfrm_policy2msg_prep(xp);
-	if (IS_ERR(out_skb)) {
-		err = PTR_ERR(out_skb);
-		goto out;
-	}
+	if (IS_ERR(out_skb))
+		return PTR_ERR(out_skb);
+
 	err = pfkey_xfrm_policy2msg(out_skb, xp, dir);
 	if (err < 0)
 		return err;
@@ -2148,7 +2147,6 @@ static int key_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *c
 	out_hdr->sadb_msg_seq = c->seq;
 	out_hdr->sadb_msg_pid = c->pid;
 	pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xp_net(xp));
-out:
 	return 0;
 
 }
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