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Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r--net/ipv6/addrconf.c45
1 files changed, 18 insertions, 27 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index f9afb452249..03e2a1ad71e 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2224,10 +2224,24 @@ int addrconf_del_ifaddr(struct net *net, void __user *arg)
return err;
}
+static void add_addr(struct inet6_dev *idev, const struct in6_addr *addr,
+ int plen, int scope)
+{
+ struct inet6_ifaddr *ifp;
+
+ ifp = ipv6_add_addr(idev, addr, plen, scope, IFA_F_PERMANENT);
+ if (!IS_ERR(ifp)) {
+ spin_lock_bh(&ifp->lock);
+ ifp->flags &= ~IFA_F_TENTATIVE;
+ spin_unlock_bh(&ifp->lock);
+ ipv6_ifa_notify(RTM_NEWADDR, ifp);
+ in6_ifa_put(ifp);
+ }
+}
+
#if defined(CONFIG_IPV6_SIT) || defined(CONFIG_IPV6_SIT_MODULE)
static void sit_add_v4_addrs(struct inet6_dev *idev)
{
- struct inet6_ifaddr * ifp;
struct in6_addr addr;
struct net_device *dev;
struct net *net = dev_net(idev->dev);
@@ -2246,14 +2260,7 @@ static void sit_add_v4_addrs(struct inet6_dev *idev)
}
if (addr.s6_addr32[3]) {
- ifp = ipv6_add_addr(idev, &addr, 128, scope, IFA_F_PERMANENT);
- if (!IS_ERR(ifp)) {
- spin_lock_bh(&ifp->lock);
- ifp->flags &= ~IFA_F_TENTATIVE;
- spin_unlock_bh(&ifp->lock);
- ipv6_ifa_notify(RTM_NEWADDR, ifp);
- in6_ifa_put(ifp);
- }
+ add_addr(idev, &addr, 128, scope);
return;
}
@@ -2281,15 +2288,7 @@ static void sit_add_v4_addrs(struct inet6_dev *idev)
else
plen = 96;
- ifp = ipv6_add_addr(idev, &addr, plen, flag,
- IFA_F_PERMANENT);
- if (!IS_ERR(ifp)) {
- spin_lock_bh(&ifp->lock);
- ifp->flags &= ~IFA_F_TENTATIVE;
- spin_unlock_bh(&ifp->lock);
- ipv6_ifa_notify(RTM_NEWADDR, ifp);
- in6_ifa_put(ifp);
- }
+ add_addr(idev, &addr, plen, flag);
}
}
}
@@ -2299,7 +2298,6 @@ static void sit_add_v4_addrs(struct inet6_dev *idev)
static void init_loopback(struct net_device *dev)
{
struct inet6_dev *idev;
- struct inet6_ifaddr * ifp;
/* ::1 */
@@ -2310,14 +2308,7 @@ static void init_loopback(struct net_device *dev)
return;
}
- ifp = ipv6_add_addr(idev, &in6addr_loopback, 128, IFA_HOST, IFA_F_PERMANENT);
- if (!IS_ERR(ifp)) {
- spin_lock_bh(&ifp->lock);
- ifp->flags &= ~IFA_F_TENTATIVE;
- spin_unlock_bh(&ifp->lock);
- ipv6_ifa_notify(RTM_NEWADDR, ifp);
- in6_ifa_put(ifp);
- }
+ add_addr(idev, &in6addr_loopback, 128, IFA_HOST);
}
static void addrconf_add_linklocal(struct inet6_dev *idev, struct in6_addr *addr)