From 373beb35cd6b625e0ba4ad98baace12310a26aa8 Mon Sep 17 00:00:00 2001
From: Cedric Le Goater <clg@fr.ibm.com>
Date: Fri, 8 Dec 2006 02:37:57 -0800
Subject: [PATCH] identifier to nsproxy

Add an identifier to nsproxy.  The default init_ns_proxy has identifier 0 and
allocated nsproxies are given -1.

This identifier will be used by a new syscall sys_bind_ns.

Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Cc: Kirill Korotaev <dev@openvz.org>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 kernel/nsproxy.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'kernel/nsproxy.c')

diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index bd9cb435dfe0..f223c15c18e9 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -45,8 +45,10 @@ static inline struct nsproxy *clone_namespaces(struct nsproxy *orig)
 	struct nsproxy *ns;
 
 	ns = kmemdup(orig, sizeof(struct nsproxy), GFP_KERNEL);
-	if (ns)
+	if (ns) {
 		atomic_set(&ns->count, 1);
+		ns->id = -1;
+	}
 	return ns;
 }
 
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