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@gmail.com>
Acked-by: Jamal Hadi Salim <hadi@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/key/af_key.c b/net/key/af_key.c
index 368707882647bb83293a5be6536b00d6ccca2982..344145f23c34adff8562afa8f4b88f17c1a40677 100644 (file)
--- 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;
 
 }