[NETNS]: Use the per-net ipv6_devconf(_all) in sysctl handlers

Actually the net->ipv6.devconf_all can be used in a few places,
but to keep the /proc/sys/net/ipv6/conf/ sysctls work consistently
in the namespace we should use the per-net devconf_all in the
sysctl "forwarding" handler.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 6 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 9b96de3ba5eb..cd90f9a6da33 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -456,7 +456,7 @@ static void dev_forward_change(struct inet6_dev *idev)
 }
 
 
-static void addrconf_forward_change(struct net *net)
+static void addrconf_forward_change(struct net *net, __s32 newf)
 {
         struct net_device *dev;
         struct inet6_dev *idev;
@@ -466,8 +466,8 @@ static void addrconf_forward_change(struct net *net)
                 rcu_read_lock();
                 idev = __in6_dev_get(dev);
                 if (idev) {
-                        int changed = (!idev->cnf.forwarding) ^ (!ipv6_devconf.forwarding);
-                        idev->cnf.forwarding = ipv6_devconf.forwarding;
+                        int changed = (!idev->cnf.forwarding) ^ (!newf);
+                        idev->cnf.forwarding = newf;
                         if (changed)
                                 dev_forward_change(idev);
                 }
@@ -484,9 +484,10 @@ static void addrconf_fixup_forwarding(struct ctl_table *table, int *p, int old)
         if (p == &net->ipv6.devconf_dflt->forwarding)
                 return;
 
-        if (p == &ipv6_devconf.forwarding) {
-                net->ipv6.devconf_dflt->forwarding = ipv6_devconf.forwarding;
-                addrconf_forward_change(net);
+        if (p == &net->ipv6.devconf_all->forwarding) {
+                __s32 newf = net->ipv6.devconf_all->forwarding;
+                net->ipv6.devconf_dflt->forwarding = newf;
+                addrconf_forward_change(net, newf);
         } else if ((!*p) ^ (!old))
                 dev_forward_change((struct inet6_dev *)table->extra1);