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Diffstat (limited to 'net/ipv4/tcp_ao.c')
-rw-r--r--net/ipv4/tcp_ao.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_ao.c b/net/ipv4/tcp_ao.c
index 37c42b63ff99..50ae43c92829 100644
--- a/net/ipv4/tcp_ao.c
+++ b/net/ipv4/tcp_ao.c
@@ -884,8 +884,8 @@ tcp_ao_verify_hash(const struct sock *sk, const struct sk_buff *skb,
const struct tcp_ao_hdr *aoh, struct tcp_ao_key *key,
u8 *traffic_key, u8 *phash, u32 sne, int l3index)
{
- u8 maclen = aoh->length - sizeof(struct tcp_ao_hdr);
const struct tcphdr *th = tcp_hdr(skb);
+ u8 maclen = tcp_ao_hdr_maclen(aoh);
void *hash_buf = NULL;
if (maclen != tcp_ao_maclen(key)) {