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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2008-03-15 22:54:23 -0400
committerYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2008-04-03 10:06:00 +0900
commit52eeeb8481d705e61e2e9aae974e7799a93783e9 (patch)
tree6ced371b81334f07926e7bdc190fc2efa396659f /net/ipv6/anycast.c
parent6294e000736401d4415ad41f408e56e14aaaf7b4 (diff)
downloadlinux-52eeeb8481d705e61e2e9aae974e7799a93783e9.tar.bz2
[IPV6]: Unify ip6_onlink() and ipip6_onlink().
Both are identical, let's create ipv6_chk_prefix() and use it in both places.
Diffstat (limited to 'net/ipv6/anycast.c')
-rw-r--r--net/ipv6/anycast.c25
1 files changed, 1 insertions, 24 deletions
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 463bd95d6b13..36e817492095 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -48,29 +48,6 @@ static int ipv6_dev_ac_dec(struct net_device *dev, struct in6_addr *addr);
/* Big ac list lock for all the sockets */
static DEFINE_RWLOCK(ipv6_sk_ac_lock);
-static int
-ip6_onlink(struct in6_addr *addr, struct net_device *dev)
-{
- struct inet6_dev *idev;
- struct inet6_ifaddr *ifa;
- int onlink;
-
- onlink = 0;
- rcu_read_lock();
- idev = __in6_dev_get(dev);
- if (idev) {
- read_lock_bh(&idev->lock);
- for (ifa=idev->addr_list; ifa; ifa=ifa->if_next) {
- onlink = ipv6_prefix_equal(addr, &ifa->addr,
- ifa->prefix_len);
- if (onlink)
- break;
- }
- read_unlock_bh(&idev->lock);
- }
- rcu_read_unlock();
- return onlink;
-}
/*
* socket join an anycast group
@@ -142,7 +119,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, struct in6_addr *addr)
* This obviates the need for propagating anycast routes while
* still allowing some non-router anycast participation.
*/
- if (!ip6_onlink(addr, dev)) {
+ if (!ipv6_chk_prefix(addr, dev)) {
if (ishost)
err = -EADDRNOTAVAIL;
if (err)