X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv6%2Ftcp_ipv6.c;h=1941c5c888d3a7cbc16e0853bfe2ee66f0107b0e;hb=81ada62d70060023923f46ab666cdc2970e1e0ce;hp=424d9c4a67ac39b95ca16fb50ff3e2fc6eb80df1;hpb=e41b5368e029e79d11acb5952bc73284e5026c62;p=linux-2.6-omap-h63xx.git

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 424d9c4a67a..1941c5c888d 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -949,7 +949,8 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
 	struct flowi fl;
 	struct net *net = dev_net(skb->dst->dev);
 	struct sock *ctl_sk = net->ipv6.tcp_sk;
-	unsigned int tot_len = sizeof(*th);
+	unsigned int tot_len = sizeof(struct tcphdr);
+	__be32 *topt;
 #ifdef CONFIG_TCP_MD5SIG
 	struct tcp_md5sig_key *key;
 #endif
@@ -999,27 +1000,26 @@ 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,
-				    &ipv6_hdr(skb)->daddr,
-				    &ipv6_hdr(skb)->saddr, t1);
+		*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);
 	}
 #endif
 
-	buff->csum = csum_partial((char *)t1, sizeof(*t1), 0);
+	buff->csum = csum_partial((char *)t1, tot_len, 0);
 
 	memset(&fl, 0, sizeof(fl));
 	ipv6_addr_copy(&fl.fl6_dst, &ipv6_hdr(skb)->saddr);
 	ipv6_addr_copy(&fl.fl6_src, &ipv6_hdr(skb)->daddr);
 
 	t1->check = csum_ipv6_magic(&fl.fl6_src, &fl.fl6_dst,
-				    sizeof(*t1), IPPROTO_TCP,
+				    tot_len, IPPROTO_TCP,
 				    buff->csum);
 
 	fl.proto = IPPROTO_TCP;
@@ -1033,7 +1033,6 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
 	 * namespace
 	 */
 	if (!ip6_dst_lookup(ctl_sk, &buff->dst, &fl)) {
-
 		if (xfrm_lookup(&buff->dst, &fl, NULL, 0) >= 0) {
 			ip6_xmit(ctl_sk, buff, &fl, NULL, 0);
 			TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS);
@@ -1070,13 +1069,13 @@ static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32
 
 	skb_reserve(buff, MAX_HEADER + sizeof(struct ipv6hdr) + tot_len);
 
-	t1 = (struct tcphdr *) skb_push(buff,tot_len);
+	t1 = (struct tcphdr *) skb_push(buff, tot_len);
 
 	/* Swap the send and the receive. */
 	memset(t1, 0, sizeof(*t1));
 	t1->dest = th->source;
 	t1->source = th->dest;
-	t1->doff = tot_len/4;
+	t1->doff = tot_len / 4;
 	t1->seq = htonl(seq);
 	t1->ack_seq = htonl(ack);
 	t1->ack = 1;
@@ -1088,7 +1087,7 @@ static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32
 		*topt++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) |
 				(TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP);
 		*topt++ = htonl(tcp_time_stamp);
-		*topt = htonl(ts);
+		*topt++ = htonl(ts);
 	}
 
 #ifdef CONFIG_TCP_MD5SIG