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authorEric W. Biederman <ebiederm@xmission.com>2007-09-12 12:01:34 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:49:06 -0700
commit457c4cbc5a3dde259d2a1f15d5f9785290397267 (patch)
treea2ceee88780cbce27433b9a4434b3e9251efd81a /net/ipv6/netfilter
parent07feaebfcc10cd35e745c7073667935246494bee (diff)
[NET]: Make /proc/net per network namespace
This patch makes /proc/net per network namespace. It modifies the global variables proc_net and proc_net_stat to be per network namespace. The proc_net file helpers are modified to take a network namespace argument, and all of their callers are fixed to pass &init_net for that argument. This ensures that all of the /proc/net files are only visible and usable in the initial network namespace until the code behind them has been updated to be handle multiple network namespaces. Making /proc/net per namespace is necessary as at least some files in /proc/net depend upon the set of network devices which is per network namespace, and even more files in /proc/net have contents that are relevant to a single network namespace. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/netfilter')
-rw-r--r--net/ipv6/netfilter/ip6_queue.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 0004db38af6d..dfc58fbdb68b 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -24,6 +24,7 @@
#include <linux/sysctl.h>
#include <linux/proc_fs.h>
#include <linux/mutex.h>
+#include <net/net_namespace.h>
#include <net/sock.h>
#include <net/ipv6.h>
#include <net/ip6_route.h>
@@ -664,7 +665,7 @@ static int __init ip6_queue_init(void)
goto cleanup_netlink_notifier;
}
- proc = proc_net_create(IPQ_PROC_FS_NAME, 0, ipq_get_info);
+ proc = proc_net_create(&init_net, IPQ_PROC_FS_NAME, 0, ipq_get_info);
if (proc)
proc->owner = THIS_MODULE;
else {
@@ -685,7 +686,7 @@ static int __init ip6_queue_init(void)
cleanup_sysctl:
unregister_sysctl_table(ipq_sysctl_header);
unregister_netdevice_notifier(&ipq_dev_notifier);
- proc_net_remove(IPQ_PROC_FS_NAME);
+ proc_net_remove(&init_net, IPQ_PROC_FS_NAME);
cleanup_ipqnl:
sock_release(ipqnl->sk_socket);
@@ -705,7 +706,7 @@ static void __exit ip6_queue_fini(void)
unregister_sysctl_table(ipq_sysctl_header);
unregister_netdevice_notifier(&ipq_dev_notifier);
- proc_net_remove(IPQ_PROC_FS_NAME);
+ proc_net_remove(&init_net, IPQ_PROC_FS_NAME);
sock_release(ipqnl->sk_socket);
mutex_lock(&ipqnl_mutex);