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[NETNS]: Process devinet ioctl in the correct namespace.

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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>
This commit is contained in:
Denis V. Lunev 2008-02-28 20:51:43 -08:00 committed by David S. Miller
parent 73b3871165
commit e5b13cb10d
4 changed files with 9 additions and 8 deletions
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2
include/linux/inetdevice.h
View File

@ -129,7 +129,7 @@ extern int unregister_inetaddr_notifier(struct notifier_block *nb);
extern struct net_device *ip_dev_find(struct net *net, __be32 addr);
extern int inet_addr_onlink(struct in_device *in_dev, __be32 a, __be32 b);
extern int devinet_ioctl(unsigned int cmd, void __user *);
extern int devinet_ioctl(struct net *net, unsigned int cmd, void __user *);
extern void devinet_init(void);
extern struct in_device *inetdev_by_index(struct net *, int);
extern __be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope);

7
net/ipv4/af_inet.c
View File

@ -784,6 +784,7 @@ int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
struct sock *sk = sock->sk;
int err = 0;
struct net *net = sk->sk_net;
switch (cmd) {
case SIOCGSTAMP:
@ -795,12 +796,12 @@ int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
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 @@ int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
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)

6
net/ipv4/devinet.c
View File

@ -595,7 +595,7 @@ static __inline__ int inet_abc_len(__be32 addr)
}
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 @@ int devinet_ioctl(unsigned int cmd, void __user *arg)
*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 @@ int devinet_ioctl(unsigned int cmd, void __user *arg)
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)

2
net/ipv4/ipconfig.c
View File

@ -291,7 +291,7 @@ static int __init ic_dev_ioctl(unsigned int cmd, struct ifreq *arg)
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;
}