[SK_BUFF]: Introduce ip_hdr(), remove skb->nh.iph
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c
index bec851f..faa1b9a 100644
--- a/net/ipv4/xfrm4_mode_tunnel.c
+++ b/net/ipv4/xfrm4_mode_tunnel.c
@@ -16,7 +16,7 @@
static inline void ipip_ecn_decapsulate(struct sk_buff *skb)
{
- struct iphdr *outer_iph = skb->nh.iph;
+ struct iphdr *outer_iph = ip_hdr(skb);
struct iphdr *inner_iph = skb->h.ipiph;
if (INET_ECN_is_ce(outer_iph->tos))
@@ -46,12 +46,12 @@
struct iphdr *iph, *top_iph;
int flags;
- iph = skb->nh.iph;
+ iph = ip_hdr(skb);
skb->h.ipiph = iph;
skb_push(skb, x->props.header_len);
skb_reset_network_header(skb);
- top_iph = skb->nh.iph;
+ top_iph = ip_hdr(skb);
top_iph->ihl = 5;
top_iph->version = 4;
@@ -91,7 +91,7 @@
static int xfrm4_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
{
- struct iphdr *iph = skb->nh.iph;
+ struct iphdr *iph = ip_hdr(skb);
const unsigned char *old_mac;
int err = -EINVAL;
@@ -113,7 +113,7 @@
(err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
goto out;
- iph = skb->nh.iph;
+ iph = ip_hdr(skb);
if (iph->protocol == IPPROTO_IPIP) {
if (x->props.flags & XFRM_STATE_DECAP_DSCP)
ipv4_copy_dscp(iph, skb->h.ipiph);
