From e19f247a3dbd85485ec13174817ae9c2478fe541 Mon Sep 17 00:00:00 2001
From: Oren Laadan <orenl@cs.columbia.edu>
Date: Sun, 8 Jan 2006 01:03:58 -0800
Subject: [PATCH] setpgid: should work for sub-threads

setsid() does not work unless the calling process is a
thread_group_leader().

'man setpgid' does not tell anything about that, so I consider this
behaviour is a bug.

Signed-off-by: Oren Laadan <orenl@cs.columbia.edu>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 kernel/exit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'kernel/exit.c')

diff --git a/kernel/exit.c b/kernel/exit.c
index a80824f6108b..caceabf3f230 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -257,7 +257,7 @@ static inline void reparent_to_init(void)
 
 void __set_special_pids(pid_t session, pid_t pgrp)
 {
-	struct task_struct *curr = current;
+	struct task_struct *curr = current->group_leader;
 
 	if (curr->signal->session != session) {
 		detach_pid(curr, PIDTYPE_SID);
-- 
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