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Diffstat (limited to 'net/ipv4/ah4.c')
-rw-r--r--net/ipv4/ah4.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index dbb1f11721e4..e4f7aa39978d 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -82,14 +82,14 @@ static int ah_output(struct xfrm_state *x, struct sk_buff *skb)
goto error;
}
- ah = (struct ip_auth_hdr *)((char *)top_iph+top_iph->ihl*4);
- ah->nexthdr = top_iph->protocol;
+ ah = (struct ip_auth_hdr *)skb_transport_header(skb);
+ ah->nexthdr = *skb_mac_header(skb);
+ *skb_mac_header(skb) = IPPROTO_AH;
top_iph->tos = 0;
top_iph->tot_len = htons(skb->len);
top_iph->frag_off = 0;
top_iph->ttl = 0;
- top_iph->protocol = IPPROTO_AH;
top_iph->check = 0;
ahp = x->data;
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