ah4: Fix error return in ah_input().

Noticed by Herbert Xu.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index ac9a32ec3ee465a3ad59798dae19d3a307e77cd4..f2a71025a7705d5c7b10dc108440ee2ea5cd03aa 100644 (file)
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -360,8 +360,10 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
 
        work_iph = ah_alloc_tmp(ahash, nfrags + sglists, ihl +
                                ahp->icv_trunc_len + seqhi_len);
-       if (!work_iph)
+       if (!work_iph) {
+               err = -ENOMEM;
                goto out;
+       }
 
        seqhi = (__be32 *)((char *)work_iph + ihl);
        auth_data = ah_tmp_auth(seqhi, seqhi_len);