commit 144466bdf8c479ae36678ace7a3b8e8b748df6f6
author Kazunori MIYAZAWA <miyazawa@linux-ipv6.org> Fri May 25 01:22:25 2007 -0700
committer David S. Miller <davem@sunset.davemloft.net> Thu May 31 01:23:25 2007 -0700
tree 96098ae0e3c658c52fe27004bdb15bf39ee47d15
parent aad0e0b9b6e4f7085d5e2ec4b5bb59ffecd8b1fb

[IPSEC]: Fix IPv6 AH calculation in outbound

Signed-off-by: Kazunori MIYAZAWA <miyazawa@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/ah6.c

diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index b696c84..128f94c 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -247,7 +247,7 @@
 	memcpy(tmp_base, top_iph, sizeof(tmp_base));
 
 	tmp_ext = NULL;
-	extlen = skb_transport_offset(skb) + sizeof(struct ipv6hdr);
+	extlen = skb_transport_offset(skb) - sizeof(struct ipv6hdr);
 	if (extlen) {
 		extlen += sizeof(*tmp_ext);
 		tmp_ext = kmalloc(extlen, GFP_ATOMIC);