X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fnet%2Finet_ecn.h;h=de8399a797749007f17501f8371136fb83d33fd1;hb=66cdb3ca27323a92712d289fc5edc7841d74a139;hp=7849844a4911e2d1369deea46cfc87943ec0e89a;hpb=d1ed6a3ea10aa7b199c434f6ffd1b6761896567a;p=linux-2.6

diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h
index 7849844a49..de8399a797 100644
--- a/include/net/inet_ecn.h
+++ b/include/net/inet_ecn.h
@@ -53,7 +53,7 @@ static inline __u8 INET_ECN_encapsulate(__u8 outer, __u8 inner)
 
 static inline int IP_ECN_set_ce(struct iphdr *iph)
 {
-	u32 check = iph->check;
+	u32 check = (__force u32)iph->check;
 	u32 ecn = (iph->tos + 1) & INET_ECN_MASK;
 
 	/*
@@ -71,9 +71,9 @@ static inline int IP_ECN_set_ce(struct iphdr *iph)
 	 * INET_ECN_ECT_1 => check += htons(0xFFFD)
 	 * INET_ECN_ECT_0 => check += htons(0xFFFE)
 	 */
-	check += htons(0xFFFB) + htons(ecn);
+	check += (__force u16)htons(0xFFFB) + (__force u16)htons(ecn);
 
-	iph->check = check + (check>=0xFFFF);
+	iph->check = (__force __sum16)(check + (check>=0xFFFF));
 	iph->tos |= INET_ECN_CE;
 	return 1;
 }
@@ -95,13 +95,13 @@ static inline int IP6_ECN_set_ce(struct ipv6hdr *iph)
 {
 	if (INET_ECN_is_not_ect(ipv6_get_dsfield(iph)))
 		return 0;
-	*(u32*)iph |= htonl(INET_ECN_CE << 20);
+	*(__be32*)iph |= htonl(INET_ECN_CE << 20);
 	return 1;
 }
 
 static inline void IP6_ECN_clear(struct ipv6hdr *iph)
 {
-	*(u32*)iph &= ~htonl(INET_ECN_MASK << 20);
+	*(__be32*)iph &= ~htonl(INET_ECN_MASK << 20);
 }
 
 static inline void ipv6_copy_dscp(struct ipv6hdr *outer, struct ipv6hdr *inner)
@@ -114,13 +114,13 @@ static inline int INET_ECN_set_ce(struct sk_buff *skb)
 {
 	switch (skb->protocol) {
 	case __constant_htons(ETH_P_IP):
-		if (skb->nh.raw + sizeof(struct iphdr) <= skb->tail)
-			return IP_ECN_set_ce(skb->nh.iph);
+		if (skb->network_header + sizeof(struct iphdr) <= skb->tail)
+			return IP_ECN_set_ce(ip_hdr(skb));
 		break;
 
 	case __constant_htons(ETH_P_IPV6):
-		if (skb->nh.raw + sizeof(struct ipv6hdr) <= skb->tail)
-			return IP6_ECN_set_ce(skb->nh.ipv6h);
+		if (skb->network_header + sizeof(struct ipv6hdr) <= skb->tail)
+			return IP6_ECN_set_ce(ipv6_hdr(skb));
 		break;
 	}