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Diffstat (limited to 'net/ipv4/ipmr.c')
-rw-r--r--net/ipv4/ipmr.c59
1 files changed, 15 insertions, 44 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 7003cc1b7fe..37bb497d92a 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -49,6 +49,7 @@
#include <linux/mroute.h>
#include <linux/init.h>
#include <linux/if_ether.h>
+#include <net/net_namespace.h>
#include <net/ip.h>
#include <net/protocol.h>
#include <linux/skbuff.h>
@@ -124,7 +125,7 @@ struct net_device *ipmr_new_tunnel(struct vifctl *v)
{
struct net_device *dev;
- dev = __dev_get_by_name("tunl0");
+ dev = __dev_get_by_name(&init_net, "tunl0");
if (dev) {
int err;
@@ -148,7 +149,7 @@ struct net_device *ipmr_new_tunnel(struct vifctl *v)
dev = NULL;
- if (err == 0 && (dev = __dev_get_by_name(p.name)) != NULL) {
+ if (err == 0 && (dev = __dev_get_by_name(&init_net, p.name)) != NULL) {
dev->flags |= IFF_MULTICAST;
in_dev = __in_dev_get_rtnl(dev);
@@ -1082,13 +1083,18 @@ int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg)
static int ipmr_device_event(struct notifier_block *this, unsigned long event, void *ptr)
{
+ struct net_device *dev = ptr;
struct vif_device *v;
int ct;
+
+ if (dev->nd_net != &init_net)
+ return NOTIFY_DONE;
+
if (event != NETDEV_UNREGISTER)
return NOTIFY_DONE;
v=&vif_table[0];
for (ct=0;ct<maxvif;ct++,v++) {
- if (v->dev==ptr)
+ if (v->dev==dev)
vif_delete(ct);
}
return NOTIFY_DONE;
@@ -1708,26 +1714,8 @@ static const struct seq_operations ipmr_vif_seq_ops = {
static int ipmr_vif_open(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int rc = -ENOMEM;
- struct ipmr_vif_iter *s = kmalloc(sizeof(*s), GFP_KERNEL);
-
- if (!s)
- goto out;
-
- rc = seq_open(file, &ipmr_vif_seq_ops);
- if (rc)
- goto out_kfree;
-
- s->ct = 0;
- seq = file->private_data;
- seq->private = s;
-out:
- return rc;
-out_kfree:
- kfree(s);
- goto out;
-
+ return seq_open_private(file, &ipmr_vif_seq_ops,
+ sizeof(struct ipmr_vif_iter));
}
static const struct file_operations ipmr_vif_fops = {
@@ -1871,25 +1859,8 @@ static const struct seq_operations ipmr_mfc_seq_ops = {
static int ipmr_mfc_open(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int rc = -ENOMEM;
- struct ipmr_mfc_iter *s = kmalloc(sizeof(*s), GFP_KERNEL);
-
- if (!s)
- goto out;
-
- rc = seq_open(file, &ipmr_mfc_seq_ops);
- if (rc)
- goto out_kfree;
-
- seq = file->private_data;
- seq->private = s;
-out:
- return rc;
-out_kfree:
- kfree(s);
- goto out;
-
+ return seq_open_private(file, &ipmr_mfc_seq_ops,
+ sizeof(struct ipmr_mfc_iter));
}
static const struct file_operations ipmr_mfc_fops = {
@@ -1922,7 +1893,7 @@ void __init ip_mr_init(void)
ipmr_expire_timer.function=ipmr_expire_process;
register_netdevice_notifier(&ip_mr_notifier);
#ifdef CONFIG_PROC_FS
- proc_net_fops_create("ip_mr_vif", 0, &ipmr_vif_fops);
- proc_net_fops_create("ip_mr_cache", 0, &ipmr_mfc_fops);
+ proc_net_fops_create(&init_net, "ip_mr_vif", 0, &ipmr_vif_fops);
+ proc_net_fops_create(&init_net, "ip_mr_cache", 0, &ipmr_mfc_fops);
#endif
}