[IPV6]: ROUTE: Split up rt6_cow() for future changes.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
c4fd30eb18
commit
95a9a5ba02
1 changed files with 21 additions and 11 deletions
|
@ -401,10 +401,9 @@ int ip6_ins_rt(struct rt6_info *rt, struct nlmsghdr *nlh,
|
|||
with dst->error set to errno value.
|
||||
*/
|
||||
|
||||
static struct rt6_info *rt6_cow(struct rt6_info *ort, struct in6_addr *daddr,
|
||||
struct in6_addr *saddr, struct netlink_skb_parms *req)
|
||||
static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, struct in6_addr *daddr,
|
||||
struct in6_addr *saddr)
|
||||
{
|
||||
int err;
|
||||
struct rt6_info *rt;
|
||||
|
||||
/*
|
||||
|
@ -435,18 +434,29 @@ static struct rt6_info *rt6_cow(struct rt6_info *ort, struct in6_addr *daddr,
|
|||
|
||||
rt->rt6i_nexthop = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
|
||||
|
||||
dst_hold(&rt->u.dst);
|
||||
}
|
||||
|
||||
err = ip6_ins_rt(rt, NULL, NULL, req);
|
||||
if (err == 0)
|
||||
return rt;
|
||||
return rt;
|
||||
}
|
||||
|
||||
static struct rt6_info *rt6_cow(struct rt6_info *ort, struct in6_addr *daddr,
|
||||
struct in6_addr *saddr, struct netlink_skb_parms *req)
|
||||
{
|
||||
struct rt6_info *rt = rt6_alloc_cow(ort, daddr, saddr);
|
||||
int err;
|
||||
|
||||
if (!rt) {
|
||||
dst_hold(&ip6_null_entry.u.dst);
|
||||
return &ip6_null_entry;
|
||||
}
|
||||
|
||||
dst_hold(&rt->u.dst);
|
||||
|
||||
err = ip6_ins_rt(rt, NULL, NULL, req);
|
||||
if (err)
|
||||
rt->u.dst.error = err;
|
||||
|
||||
return rt;
|
||||
}
|
||||
dst_hold(&ip6_null_entry.u.dst);
|
||||
return &ip6_null_entry;
|
||||
return rt;
|
||||
}
|
||||
|
||||
#define BACKTRACK() \
|
||||
|
|
Loading…
Reference in a new issue