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| author | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2006-03-20 16:55:51 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-03-20 16:55:51 -0800 |
| commit | 95a9a5ba0219a4d4237fb39703bfa58626c6fe72 (patch) | |
| tree | 005fb501c7561e3028ae7a3865dd2afc16c59fc2 /net/ipv6 | |
| parent | c4fd30eb18666972230689eb30e8f90844bce635 (diff) | |
| download | linux-95a9a5ba0219a4d4237fb39703bfa58626c6fe72.tar.gz | |
[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>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/route.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index e0d3ad02ffb5..e8855706980f 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -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; +} - rt->u.dst.error = err; +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; - return rt; + if (!rt) { + dst_hold(&ip6_null_entry.u.dst); + return &ip6_null_entry; } - 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; } #define BACKTRACK() \ |