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ah4: Fix error return in ah_input().

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Noticed by Herbert Xu.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2015-08-25 13:38:50 -07:00
parent 25105051fd
commit 94c10f0ea3
1 changed files with 3 additions and 1 deletions
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4
net/ipv4/ah4.c
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@ -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);