From: David S. Miller <davem@davemloft.net>
Date: Tue, 25 Aug 2015 20:38:50 +0000 (-0700)
Subject: ah4: Fix error return in ah_input().
X-Git-Tag: Ubuntu-snapdragon-4.4.0-1029.32~5986^2~95
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=94c10f0ea303473884f69edd6bbb0cedcf570105;p=mirror_ubuntu-zesty-kernel.git

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 ac9a32ec3ee4..f2a71025a770 100644
--- 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);