diff options
| author | Eric Dumazet <edumazet@google.com> | 2012-06-25 01:58:23 +0400 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2012-06-25 14:07:09 +0400 |
| commit | c24584c028a62900ea6b541b312030f0feac93b8 (patch) | |
| tree | 364ea1ad81607c37e85607d19a21c89eb32cc0ec /net | |
| parent | ef5b6e127761667f78d99b7510a3876077fe9abe (diff) | |
| download | linux-c24584c028a62900ea6b541b312030f0feac93b8.tar.xz | |
netfilter: ipvs: fix dst leak in __ip_vs_addr_is_local_v6
After call to ip6_route_output() we must release dst or we leak it.
Also should test dst->error, as ip6_route_output() never returns NULL.
Use boolean while we are at it.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_ctl.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index dd811b8dd97c..d43e3c122f7b 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -76,19 +76,19 @@ static void __ip_vs_del_service(struct ip_vs_service *svc); #ifdef CONFIG_IP_VS_IPV6 /* Taken from rt6_fill_node() in net/ipv6/route.c, is there a better way? */ -static int __ip_vs_addr_is_local_v6(struct net *net, - const struct in6_addr *addr) +static bool __ip_vs_addr_is_local_v6(struct net *net, + const struct in6_addr *addr) { - struct rt6_info *rt; struct flowi6 fl6 = { .daddr = *addr, }; + struct dst_entry *dst = ip6_route_output(net, NULL, &fl6); + bool is_local; - rt = (struct rt6_info *)ip6_route_output(net, NULL, &fl6); - if (rt && rt->dst.dev && (rt->dst.dev->flags & IFF_LOOPBACK)) - return 1; + is_local = !dst->error && dst->dev && (dst->dev->flags & IFF_LOOPBACK); - return 0; + dst_release(dst); + return is_local; } #endif |