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authorEric Dumazet <eric.dumazet@gmail.com>2009-06-02 05:19:30 +0000
committerDavid S. Miller <davem@davemloft.net>2009-06-03 02:51:04 -0700
commitadf30907d63893e4208dfe3f5c88ae12bc2f25d5 (patch)
tree0f07542bb95de2ad537540868aba6cf87a86e17d /net/ipv6/route.c
parent511c3f92ad5b6d9f8f6464be1b4f85f0422be91a (diff)
net: skb->dst accessors
Define three accessors to get/set dst attached to a skb struct dst_entry *skb_dst(const struct sk_buff *skb) void skb_dst_set(struct sk_buff *skb, struct dst_entry *dst) void skb_dst_drop(struct sk_buff *skb) This one should replace occurrences of : dst_release(skb->dst) skb->dst = NULL; Delete skb->dst field Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/route.c')
-rw-r--r--net/ipv6/route.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 032a5ec391c5..658293ea05ba 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -800,7 +800,7 @@ void ip6_route_input(struct sk_buff *skb)
if (rt6_need_strict(&iph->daddr) && skb->dev->type != ARPHRD_PIMREG)
flags |= RT6_LOOKUP_F_IFACE;
- skb->dst = fib6_rule_lookup(net, &fl, flags, ip6_pol_route_input);
+ skb_dst_set(skb, fib6_rule_lookup(net, &fl, flags, ip6_pol_route_input));
}
static struct rt6_info *ip6_pol_route_output(struct net *net, struct fib6_table *table,
@@ -911,7 +911,7 @@ static void ip6_link_failure(struct sk_buff *skb)
icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_ADDR_UNREACH, 0, skb->dev);
- rt = (struct rt6_info *) skb->dst;
+ rt = (struct rt6_info *) skb_dst(skb);
if (rt) {
if (rt->rt6i_flags&RTF_CACHE) {
dst_set_expires(&rt->u.dst, 0);
@@ -1868,7 +1868,7 @@ int ipv6_route_ioctl(struct net *net, unsigned int cmd, void __user *arg)
static int ip6_pkt_drop(struct sk_buff *skb, int code, int ipstats_mib_noroutes)
{
int type;
- struct dst_entry *dst = skb->dst;
+ struct dst_entry *dst = skb_dst(skb);
switch (ipstats_mib_noroutes) {
case IPSTATS_MIB_INNOROUTES:
type = ipv6_addr_type(&ipv6_hdr(skb)->daddr);
@@ -1895,7 +1895,7 @@ static int ip6_pkt_discard(struct sk_buff *skb)
static int ip6_pkt_discard_out(struct sk_buff *skb)
{
- skb->dev = skb->dst->dev;
+ skb->dev = skb_dst(skb)->dev;
return ip6_pkt_drop(skb, ICMPV6_NOROUTE, IPSTATS_MIB_OUTNOROUTES);
}
@@ -1908,7 +1908,7 @@ static int ip6_pkt_prohibit(struct sk_buff *skb)
static int ip6_pkt_prohibit_out(struct sk_buff *skb)
{
- skb->dev = skb->dst->dev;
+ skb->dev = skb_dst(skb)->dev;
return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_OUTNOROUTES);
}
@@ -2366,7 +2366,7 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
skb_reserve(skb, MAX_HEADER + sizeof(struct ipv6hdr));
rt = (struct rt6_info*) ip6_route_output(net, NULL, &fl);
- skb->dst = &rt->u.dst;
+ skb_dst_set(skb, &rt->u.dst);
err = rt6_fill_node(net, skb, rt, &fl.fl6_dst, &fl.fl6_src, iif,
RTM_NEWROUTE, NETLINK_CB(in_skb).pid,