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| author | Oleg Nesterov <oleg@tv-sign.ru> | 2008-04-30 00:54:27 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 08:29:49 -0700 |
| commit | 7d8da0962eaee30b4a380ded177349bfbdd6ac46 (patch) | |
| tree | cfbdb6d94922264e7e06892275f1e4d5a29017a6 /kernel | |
| parent | 83beaf3c6c75b36b7c9be7f555c8cf7797842cc5 (diff) | |
| download | lwn-7d8da0962eaee30b4a380ded177349bfbdd6ac46.tar.gz lwn-7d8da0962eaee30b4a380ded177349bfbdd6ac46.zip | |
pids: __set_special_pids: use change_pid() helper
Use change_pid() instead of detach_pid() + attach_pid() in
__set_special_pids().
This way task_session() 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>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/exit.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 0da2921b1e7f..d3ad54677f9c 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -334,13 +334,11 @@ void __set_special_pids(struct pid *pid) pid_t nr = pid_nr(pid); if (task_session(curr) != pid) { - detach_pid(curr, PIDTYPE_SID); - attach_pid(curr, PIDTYPE_SID, pid); + change_pid(curr, PIDTYPE_SID, pid); set_task_session(curr, nr); } if (task_pgrp(curr) != pid) { - detach_pid(curr, PIDTYPE_PGID); - attach_pid(curr, PIDTYPE_PGID, pid); + change_pid(curr, PIDTYPE_PGID, pid); set_task_pgrp(curr, nr); } } |