net: skb->rtable accessor
Define skb_rtable(const struct sk_buff *skb) accessor to get rtable from skb
Delete skb->rtable field
Setting rtable is not allowed, just set dst instead as rtable is an alias.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 3f50807..94f75ef 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -356,7 +356,7 @@
static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)
{
struct ipcm_cookie ipc;
- struct rtable *rt = skb->rtable;
+ struct rtable *rt = skb_rtable(skb);
struct net *net = dev_net(rt->u.dst.dev);
struct sock *sk;
struct inet_sock *inet;
@@ -416,7 +416,7 @@
struct iphdr *iph;
int room;
struct icmp_bxm icmp_param;
- struct rtable *rt = skb_in->rtable;
+ struct rtable *rt = skb_rtable(skb_in);
struct ipcm_cookie ipc;
__be32 saddr;
u8 tos;
@@ -596,7 +596,7 @@
RT_TOS(tos), rt2->u.dst.dev);
dst_release(&rt2->u.dst);
- rt2 = skb_in->rtable;
+ rt2 = skb_rtable(skb_in);
skb_in->dst = odst;
}
@@ -926,7 +926,7 @@
static void icmp_address_reply(struct sk_buff *skb)
{
- struct rtable *rt = skb->rtable;
+ struct rtable *rt = skb_rtable(skb);
struct net_device *dev = skb->dev;
struct in_device *in_dev;
struct in_ifaddr *ifa;
@@ -970,7 +970,7 @@
int icmp_rcv(struct sk_buff *skb)
{
struct icmphdr *icmph;
- struct rtable *rt = skb->rtable;
+ struct rtable *rt = skb_rtable(skb);
struct net *net = dev_net(rt->u.dst.dev);
if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) {