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Diffstat (limited to 'net/wireless/wext.c')
-rw-r--r--net/wireless/wext.c38
1 files changed, 29 insertions, 9 deletions
diff --git a/net/wireless/wext.c b/net/wireless/wext.c
index b8069afe0410..e8b3409d6c8b 100644
--- a/net/wireless/wext.c
+++ b/net/wireless/wext.c
@@ -673,7 +673,22 @@ static const struct seq_operations wireless_seq_ops = {
673 673
674static int wireless_seq_open(struct inode *inode, struct file *file) 674static int wireless_seq_open(struct inode *inode, struct file *file)
675{ 675{
676 return seq_open(file, &wireless_seq_ops); 676 struct seq_file *seq;
677 int res;
678 res = seq_open(file, &wireless_seq_ops);
679 if (!res) {
680 seq = file->private_data;
681 seq->private = get_net(PROC_NET(inode));
682 }
683 return res;
684}
685
686static int wireless_seq_release(struct inode *inode, struct file *file)
687{
688 struct seq_file *seq = file->private_data;
689 struct net *net = seq->private;
690 put_net(net);
691 return seq_release(inode, file);
677} 692}
678 693
679static const struct file_operations wireless_seq_fops = { 694static const struct file_operations wireless_seq_fops = {
@@ -681,17 +696,22 @@ static const struct file_operations wireless_seq_fops = {
681 .open = wireless_seq_open, 696 .open = wireless_seq_open,
682 .read = seq_read, 697 .read = seq_read,
683 .llseek = seq_lseek, 698 .llseek = seq_lseek,
684 .release = seq_release, 699 .release = wireless_seq_release,
685}; 700};
686 701
687int __init wext_proc_init(void) 702int wext_proc_init(struct net *net)
688{ 703{
689 /* Create /proc/net/wireless entry */ 704 /* Create /proc/net/wireless entry */
690 if (!proc_net_fops_create(&init_net, "wireless", S_IRUGO, &wireless_seq_fops)) 705 if (!proc_net_fops_create(net, "wireless", S_IRUGO, &wireless_seq_fops))
691 return -ENOMEM; 706 return -ENOMEM;
692 707
693 return 0; 708 return 0;
694} 709}
710
711void wext_proc_exit(struct net *net)
712{
713 proc_net_remove(net, "wireless");
714}
695#endif /* CONFIG_PROC_FS */ 715#endif /* CONFIG_PROC_FS */
696 716
697/************************** IOCTL SUPPORT **************************/ 717/************************** IOCTL SUPPORT **************************/
@@ -1011,7 +1031,7 @@ static int ioctl_private_call(struct net_device *dev, struct ifreq *ifr,
1011 * Main IOCTl dispatcher. 1031 * Main IOCTl dispatcher.
1012 * Check the type of IOCTL and call the appropriate wrapper... 1032 * Check the type of IOCTL and call the appropriate wrapper...
1013 */ 1033 */
1014static int wireless_process_ioctl(struct ifreq *ifr, unsigned int cmd) 1034static int wireless_process_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd)
1015{ 1035{
1016 struct net_device *dev; 1036 struct net_device *dev;
1017 iw_handler handler; 1037 iw_handler handler;
@@ -1020,7 +1040,7 @@ static int wireless_process_ioctl(struct ifreq *ifr, unsigned int cmd)
1020 * The copy_to/from_user() of ifr is also dealt with in there */ 1040 * The copy_to/from_user() of ifr is also dealt with in there */
1021 1041
1022 /* Make sure the device exist */ 1042 /* Make sure the device exist */
1023 if ((dev = __dev_get_by_name(ifr->ifr_name)) == NULL) 1043 if ((dev = __dev_get_by_name(net, ifr->ifr_name)) == NULL)
1024 return -ENODEV; 1044 return -ENODEV;
1025 1045
1026 /* A bunch of special cases, then the generic case... 1046 /* A bunch of special cases, then the generic case...
@@ -1054,7 +1074,7 @@ static int wireless_process_ioctl(struct ifreq *ifr, unsigned int cmd)
1054} 1074}
1055 1075
1056/* entry point from dev ioctl */ 1076/* entry point from dev ioctl */
1057int wext_handle_ioctl(struct ifreq *ifr, unsigned int cmd, 1077int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd,
1058 void __user *arg) 1078 void __user *arg)
1059{ 1079{
1060 int ret; 1080 int ret;
@@ -1066,9 +1086,9 @@ int wext_handle_ioctl(struct ifreq *ifr, unsigned int cmd,
1066 && !capable(CAP_NET_ADMIN)) 1086 && !capable(CAP_NET_ADMIN))
1067 return -EPERM; 1087 return -EPERM;
1068 1088
1069 dev_load(ifr->ifr_name); 1089 dev_load(net, ifr->ifr_name);
1070 rtnl_lock(); 1090 rtnl_lock();
1071 ret = wireless_process_ioctl(ifr, cmd); 1091 ret = wireless_process_ioctl(net, ifr, cmd);
1072 rtnl_unlock(); 1092 rtnl_unlock();
1073 if (IW_IS_GET(cmd) && copy_to_user(arg, ifr, sizeof(struct ifreq))) 1093 if (IW_IS_GET(cmd) && copy_to_user(arg, ifr, sizeof(struct ifreq)))
1074 return -EFAULT; 1094 return -EFAULT;