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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/key/af_key.c
parent07feaebfcc10cd35e745c7073667935246494bee (diff)
downloadlwn-457c4cbc5a3dde259d2a1f15d5f9785290397267.tar.gz
lwn-457c4cbc5a3dde259d2a1f15d5f9785290397267.zip
[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/key/af_key.c')
-rw-r--r--net/key/af_key.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 0241fff95137..5b802bbb856e 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -26,6 +26,7 @@
#include <linux/in6.h>
#include <linux/proc_fs.h>
#include <linux/init.h>
+#include <net/net_namespace.h>
#include <net/xfrm.h>
#include <net/sock.h>
@@ -3776,7 +3777,7 @@ static struct xfrm_mgr pfkeyv2_mgr =
static void __exit ipsec_pfkey_exit(void)
{
xfrm_unregister_km(&pfkeyv2_mgr);
- remove_proc_entry("net/pfkey", NULL);
+ remove_proc_entry("pfkey", init_net.proc_net);
sock_unregister(PF_KEY);
proto_unregister(&key_proto);
}
@@ -3793,7 +3794,7 @@ static int __init ipsec_pfkey_init(void)
goto out_unregister_key_proto;
#ifdef CONFIG_PROC_FS
err = -ENOMEM;
- if (create_proc_read_entry("net/pfkey", 0, NULL, pfkey_read_proc, NULL) == NULL)
+ if (create_proc_read_entry("pfkey", 0, init_net.proc_net, pfkey_read_proc, NULL) == NULL)
goto out_sock_unregister;
#endif
err = xfrm_register_km(&pfkeyv2_mgr);