1 files changed, 6 insertions, 6 deletions

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 910603cd12d2..1941c5c888d3 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -950,6 +950,7 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
         struct net *net = dev_net(skb->dst->dev);
         struct sock *ctl_sk = net->ipv6.tcp_sk;
         unsigned int tot_len = sizeof(struct tcphdr);
+        __be32 *topt;
 #ifdef CONFIG_TCP_MD5SIG
         struct tcp_md5sig_key *key;
 #endif
@@ -999,14 +1000,13 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
                                     + skb->len - (th->doff<<2));
         }
 
+        topt = (__be32 *)(t1 + 1);
+
 #ifdef CONFIG_TCP_MD5SIG
         if (key) {
-                __be32 *opt = (__be32*)(t1 + 1);
-                opt[0] = htonl((TCPOPT_NOP << 24) |
-                               (TCPOPT_NOP << 16) |
-                               (TCPOPT_MD5SIG << 8) |
-                               TCPOLEN_MD5SIG);
-                tcp_v6_md5_hash_hdr((__u8 *)&opt[1], key,
+                *topt++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) |
+                                (TCPOPT_MD5SIG << 8) | TCPOLEN_MD5SIG);
+                tcp_v6_md5_hash_hdr((__u8 *)topt, key,
                                     &ipv6_hdr(skb)->saddr,
                                     &ipv6_hdr(skb)->daddr, t1);
         }