[NETNS]: Process devinet ioctl in the correct namespace.
Add namespace parameter to devinet_ioctl and locate device inside it for
state changes.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 09ca529..c270080 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -784,6 +784,7 @@
{
struct sock *sk = sock->sk;
int err = 0;
+ struct net *net = sk->sk_net;
switch (cmd) {
case SIOCGSTAMP:
@@ -795,12 +796,12 @@
case SIOCADDRT:
case SIOCDELRT:
case SIOCRTMSG:
- err = ip_rt_ioctl(sk->sk_net, cmd, (void __user *)arg);
+ err = ip_rt_ioctl(net, cmd, (void __user *)arg);
break;
case SIOCDARP:
case SIOCGARP:
case SIOCSARP:
- err = arp_ioctl(sk->sk_net, cmd, (void __user *)arg);
+ err = arp_ioctl(net, cmd, (void __user *)arg);
break;
case SIOCGIFADDR:
case SIOCSIFADDR:
@@ -813,7 +814,7 @@
case SIOCSIFPFLAGS:
case SIOCGIFPFLAGS:
case SIOCSIFFLAGS:
- err = devinet_ioctl(cmd, (void __user *)arg);
+ err = devinet_ioctl(net, cmd, (void __user *)arg);
break;
default:
if (sk->sk_prot->ioctl)
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 90210a7..af752fc 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -595,7 +595,7 @@
}
-int devinet_ioctl(unsigned int cmd, void __user *arg)
+int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
{
struct ifreq ifr;
struct sockaddr_in sin_orig;
@@ -624,7 +624,7 @@
*colon = 0;
#ifdef CONFIG_KMOD
- dev_load(&init_net, ifr.ifr_name);
+ dev_load(net, ifr.ifr_name);
#endif
switch (cmd) {
@@ -665,7 +665,7 @@
rtnl_lock();
ret = -ENODEV;
- if ((dev = __dev_get_by_name(&init_net, ifr.ifr_name)) == NULL)
+ if ((dev = __dev_get_by_name(net, ifr.ifr_name)) == NULL)
goto done;
if (colon)
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 10013cc..c90e75a 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -291,7 +291,7 @@
mm_segment_t oldfs = get_fs();
set_fs(get_ds());
- res = devinet_ioctl(cmd, (struct ifreq __user *) arg);
+ res = devinet_ioctl(&init_net, cmd, (struct ifreq __user *) arg);
set_fs(oldfs);
return res;
}