[NETNS]: Add netns parameter to inetdev_by_index.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 8 insertions, 7 deletions

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index e381edb19b23..21f71bf912d5 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -409,12 +409,12 @@ static int inet_set_ifa(struct net_device *dev, struct in_ifaddr *ifa)
         return inet_insert_ifa(ifa);
 }
 
-struct in_device *inetdev_by_index(int ifindex)
+struct in_device *inetdev_by_index(struct net *net, int ifindex)
 {
         struct net_device *dev;
         struct in_device *in_dev = NULL;
         read_lock(&dev_base_lock);
-        dev = __dev_get_by_index(&init_net, ifindex);
+        dev = __dev_get_by_index(net, ifindex);
         if (dev)
                 in_dev = in_dev_get(dev);
         read_unlock(&dev_base_lock);
@@ -454,7 +454,7 @@ static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg
                 goto errout;
 
         ifm = nlmsg_data(nlh);
-        in_dev = inetdev_by_index(ifm->ifa_index);
+        in_dev = inetdev_by_index(net, ifm->ifa_index);
         if (in_dev == NULL) {
                 err = -ENODEV;
                 goto errout;
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index ecd91c60975f..8b47e112ae5c 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -583,7 +583,7 @@ out:
                 if (nh->nh_flags&(RTNH_F_PERVASIVE|RTNH_F_ONLINK))
                         return -EINVAL;
 
-                in_dev = inetdev_by_index(nh->nh_oif);
+                in_dev = inetdev_by_index(&init_net, nh->nh_oif);
                 if (in_dev == NULL)
                         return -ENODEV;
                 if (!(in_dev->dev->flags&IFF_UP)) {
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 016cfdb184f3..928bc3284554 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1389,7 +1389,7 @@ static struct in_device * ip_mc_find_dev(struct ip_mreqn *imr)
         struct in_device *idev = NULL;
 
         if (imr->imr_ifindex) {
-                idev = inetdev_by_index(imr->imr_ifindex);
+                idev = inetdev_by_index(&init_net, imr->imr_ifindex);
                 if (idev)
                         __in_dev_put(idev);
                 return idev;
@@ -2222,7 +2222,7 @@ void ip_mc_drop_socket(struct sock *sk)
                 struct in_device *in_dev;
                 inet->mc_list = iml->next;
 
-                in_dev = inetdev_by_index(iml->multi.imr_ifindex);
+                in_dev = inetdev_by_index(&init_net, iml->multi.imr_ifindex);
                 (void) ip_mc_leave_src(sk, iml, in_dev);
                 if (in_dev != NULL) {
                         ip_mc_dec_group(in_dev, iml->multi.imr_multiaddr.s_addr);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 8b81deb8ff1f..a74983d8c89c 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1193,7 +1193,8 @@ static int ipgre_close(struct net_device *dev)
 {
         struct ip_tunnel *t = netdev_priv(dev);
         if (ipv4_is_multicast(t->parms.iph.daddr) && t->mlink) {
-                struct in_device *in_dev = inetdev_by_index(t->mlink);
+                struct in_device *in_dev;
+                in_dev = inetdev_by_index(dev->nd_net, t->mlink);
                 if (in_dev) {
                         ip_mc_dec_group(in_dev, t->parms.iph.daddr);
                         in_dev_put(in_dev);