reparent_thread: use same_thread_group()

Trivial, use same_thread_group() in reparent_thread().

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
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/kernel/exit.c b/kernel/exit.c
index 4035d391a0d3..413c81ec858e 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -722,7 +722,7 @@ reparent_thread(struct task_struct *p, struct task_struct *father, int traced)
         /* If this is a threaded reparent there is no need to
          * notify anyone anything has happened.
          */
-        if (p->real_parent->group_leader == father->group_leader)
+        if (same_thread_group(p->real_parent, father))
                 return;
 
         /* We don't want people slaying init.  */