tree e134ff1fcd8aec134ecde984a4b90d221f79af15
parent 24336eaeecea860b2a82530e07c80bc7e0558b73
author Oleg Nesterov <oleg@tv-sign.ru> 1209542067 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1209569389 -0700

pids: sys_setpgid: use change_pid() helper

Use change_pid() instead of detach_pid() + attach_pid() in sys_setpgid().

This way task_pgrp() is not NULL in between.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc:  "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Pavel Emelyanov <xemul@openvz.org>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>