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-rw-r--r--net/ipv6/netfilter/ip6t_ah.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/netfilter/ip6t_ah.c b/net/ipv6/netfilter/ip6t_ah.c
index 0228ff3636bb..4e15a14435e4 100644
--- a/net/ipv6/netfilter/ip6t_ah.c
+++ b/net/ipv6/netfilter/ip6t_ah.c
@@ -55,7 +55,7 @@ static bool ah_mt6(const struct sk_buff *skb, struct xt_action_param *par)
return false;
}
- hdrlen = (ah->hdrlen + 2) << 2;
+ hdrlen = ipv6_authlen(ah);
pr_debug("IPv6 AH LEN %u %u ", hdrlen, ah->hdrlen);
pr_debug("RES %04X ", ah->reserved);