kernel/nsproxy.c: remove duplicate task_cred_xxx for user_ns

We can use user_ns, which is also assigned from task_cred_xxx(tsk,
user_ns), at the beginning of copy_namespaces().

Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index 78e2ecb20165..b781e66a8f2c 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -153,8 +153,7 @@ int copy_namespaces(unsigned long flags, struct task_struct *tsk)
                 goto out;
         }
 
-        new_ns = create_new_namespaces(flags, tsk,
-                                       task_cred_xxx(tsk, user_ns), tsk->fs);
+        new_ns = create_new_namespaces(flags, tsk, user_ns, tsk->fs);
         if (IS_ERR(new_ns)) {
                 err = PTR_ERR(new_ns);
                 goto out;