pid namespaces: use task_pid() to find leader's pid

Use task_pid() to get leader's 'struct pid' and avoid the find_pid().

Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Acked-by: Pavel Emelianov <xemul@openvz.org>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Serge Hallyn <serue@us.ibm.com>
Cc: Herbert Poetzel <herbert@13thfloor.at>
Cc: Kirill Korotaev <dev@sw.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/exec.c b/fs/exec.c
index 4b5bbb87e494..92d2703d87b2 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -857,7 +857,7 @@ static int de_thread(struct task_struct *tsk)
                  */
                 detach_pid(tsk, PIDTYPE_PID);
                 tsk->pid = leader->pid;
-                attach_pid(tsk, PIDTYPE_PID,  find_pid(tsk->pid));
+                attach_pid(tsk, PIDTYPE_PID,  task_pid(leader));
                 transfer_pid(leader, tsk, PIDTYPE_PGID);
                 transfer_pid(leader, tsk, PIDTYPE_SID);
                 list_replace_rcu(&leader->tasks, &tsk->tasks);