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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/ipv4/fib_trie.c
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/ipv4/fib_trie.c')
-rw-r--r--net/ipv4/fib_trie.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 52b2891c63b7..be34bd556d58 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -73,6 +73,7 @@
#include <linux/netlink.h>
#include <linux/init.h>
#include <linux/list.h>
+#include <net/net_namespace.h>
#include <net/ip.h>
#include <net/protocol.h>
#include <net/route.h>
@@ -2530,30 +2531,30 @@ static const struct file_operations fib_route_fops = {
int __init fib_proc_init(void)
{
- if (!proc_net_fops_create("fib_trie", S_IRUGO, &fib_trie_fops))
+ if (!proc_net_fops_create(&init_net, "fib_trie", S_IRUGO, &fib_trie_fops))
goto out1;
- if (!proc_net_fops_create("fib_triestat", S_IRUGO, &fib_triestat_fops))
+ if (!proc_net_fops_create(&init_net, "fib_triestat", S_IRUGO, &fib_triestat_fops))
goto out2;
- if (!proc_net_fops_create("route", S_IRUGO, &fib_route_fops))
+ if (!proc_net_fops_create(&init_net, "route", S_IRUGO, &fib_route_fops))
goto out3;
return 0;
out3:
- proc_net_remove("fib_triestat");
+ proc_net_remove(&init_net, "fib_triestat");
out2:
- proc_net_remove("fib_trie");
+ proc_net_remove(&init_net, "fib_trie");
out1:
return -ENOMEM;
}
void __init fib_proc_exit(void)
{
- proc_net_remove("fib_trie");
- proc_net_remove("fib_triestat");
- proc_net_remove("route");
+ proc_net_remove(&init_net, "fib_trie");
+ proc_net_remove(&init_net, "fib_triestat");
+ proc_net_remove(&init_net, "route");
}
#endif /* CONFIG_PROC_FS */