linux-kernel - [PATCH] userns: Allow init_user_ns to be used from non-gpl modules

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Date:	Mon, 23 May 2016 15:00:08 +0300
From:	Nikolay Borisov <n.borisov.lkml@...il.com>
To:	ebiederman@...ssion.com
Cc:	serge.hallyn@...ntu.com, containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org,
	Nikolay Borisov <n.borisov.lkml@...il.com>
Subject: [PATCH] userns: Allow init_user_ns to be used from non-gpl modules

This patch changes the export attributes of the init_user_ns from
GPL-only to any modules. This needed so that non-gpl modules, such as
ZFS, utilize functions like i_(uid|gid)_(read|write).

Signed-off-by: Nikolay Borisov <n.borisov.lkml@...il.com>
---
 kernel/user.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/user.c b/kernel/user.c
index b069ccbfb0b0..8bbd4e628b6e 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -60,7 +60,7 @@ struct user_namespace init_user_ns = {
 	__RWSEM_INITIALIZER(init_user_ns.persistent_keyring_register_sem),
 #endif
 };
-EXPORT_SYMBOL_GPL(init_user_ns);
+EXPORT_SYMBOL(init_user_ns);
 
 /*
  * UID task count cache, to get fast user lookup in "alloc_uid"
-- 
2.7.4