exit: add lock context annotation on find_new_reaper()

find_new_reaper() releases and regrabs tasklist_lock but was missing
proper annotations.  Add it.  This remove following sparse warning:

 warning: context imbalance in 'find_new_reaper' - unexpected unlock

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Namhyung Kim 2010-10-27 15:34:10 -07:00 committed by Linus Torvalds
parent 895021552d
commit d16e15f5b0

View file

@ -703,6 +703,8 @@ static void exit_mm(struct task_struct * tsk)
* space. * space.
*/ */
static struct task_struct *find_new_reaper(struct task_struct *father) static struct task_struct *find_new_reaper(struct task_struct *father)
__releases(&tasklist_lock)
__acquires(&tasklist_lock)
{ {
struct pid_namespace *pid_ns = task_active_pid_ns(father); struct pid_namespace *pid_ns = task_active_pid_ns(father);
struct task_struct *thread; struct task_struct *thread;