linux-kernel - [PATCH] utsns: Restore proper namespace handling.

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Message-ID: <m11wagpxw6.fsf@ebiederm.dsl.xmission.com>
Date:	Fri, 23 Nov 2007 12:25:29 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Containers <containers@...ts.osdl.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH] utsns: Restore proper namespace handling.


When CONFIG_UTS_NS was removed it seems that we also deleted
the code for handling sysctls in the other then the initial
uts namespace.   This patch restores that code.

Signed-off-by: Eric W. Biederman <ebiederm@...ssion.com>
---
 kernel/utsname_sysctl.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kernel/utsname_sysctl.c b/kernel/utsname_sysctl.c
index c76c064..71f58c3 100644
--- a/kernel/utsname_sysctl.c
+++ b/kernel/utsname_sysctl.c
@@ -18,6 +18,8 @@
 static void *get_uts(ctl_table *table, int write)
 {
 	char *which = table->data;
+	struct uts_namespace *uts_ns = current->nsproxy->uts_ns;
+	which = (which - (char *)&init_uts_ns) + (char *)uts_ns;
 
 	if (!write)
 		down_read(&uts_sem);
-- 
1.5.3.rc6.17.g1911

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