From d56f90a7c96da5187f0cdf07ee7434fe6aa78bbc Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 10 Apr 2007 20:50:43 -0700 Subject: [SK_BUFF]: Introduce skb_network_header() For the places where we need a pointer to the network header, it is still legal to touch skb->nh.raw directly if just adding to, subtracting from or setting it to another layer header. Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: David S. Miller --- net/ipv4/ip_sockglue.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'net/ipv4/ip_sockglue.c') diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index f8ab654b6a35..70888e1ef6b7 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -273,7 +273,8 @@ void ip_icmp_error(struct sock *sk, struct sk_buff *skb, int err, serr->ee.ee_pad = 0; serr->ee.ee_info = info; serr->ee.ee_data = 0; - serr->addr_offset = (u8*)&(((struct iphdr*)(skb->h.icmph+1))->daddr) - skb->nh.raw; + serr->addr_offset = (u8 *)&(((struct iphdr *)(skb->h.icmph + 1))->daddr) - + skb_network_header(skb); serr->port = port; skb->h.raw = payload; @@ -309,7 +310,7 @@ void ip_local_error(struct sock *sk, int err, __be32 daddr, __be16 port, u32 inf serr->ee.ee_pad = 0; serr->ee.ee_info = info; serr->ee.ee_data = 0; - serr->addr_offset = (u8*)&iph->daddr - skb->nh.raw; + serr->addr_offset = (u8 *)&iph->daddr - skb_network_header(skb); serr->port = port; skb->h.raw = skb->tail; @@ -355,7 +356,8 @@ int ip_recv_error(struct sock *sk, struct msghdr *msg, int len) sin = (struct sockaddr_in *)msg->msg_name; if (sin) { sin->sin_family = AF_INET; - sin->sin_addr.s_addr = *(__be32*)(skb->nh.raw + serr->addr_offset); + sin->sin_addr.s_addr = *(__be32 *)(skb_network_header(skb) + + serr->addr_offset); sin->sin_port = serr->port; memset(&sin->sin_zero, 0, sizeof(sin->sin_zero)); } -- cgit v1.2.3