author: Oleg Nesterov <oleg@redhat.com> 2015-11-06 16:32:34 -0800
committer: Linus Torvalds <torvalds@linux-foundation.org> 2015-11-06 17:50:42 -0800
commit: d61ba58953fcf708c850bfd90b2858f2ddfbc34c
parent: 5fa534c987784c4811757a34c425aff3ce3b5037
Commit Summary:
Diffstat:
1 file changed, 12 insertions, 14 deletions
diff --git a/fs/coredump.c b/fs/coredump.c
index c66bb0572265..1777331eee76 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -290,15 +290,14 @@ static int zap_process(struct task_struct *start, int exit_code, int flags)
start->signal->group_exit_code = exit_code;
start->signal->group_stop_count = 0;
- t = start;
- do {
+ for_each_thread(start, t) {
task_clear_jobctl_pending(t, JOBCTL_PENDING_MASK);
if (t != current && t->mm) {
sigaddset(&t->pending.signal, SIGKILL);
signal_wake_up(t, 1);
nr++;
}
- } while_each_thread(start, t);
+ }
return nr;
}
@@ -360,18 +359,18 @@ static int zap_threads(struct task_struct *tsk, struct mm_struct *mm,
continue;
if (g->flags & PF_KTHREAD)
continue;
- p = g;
- do {
- if (p->mm) {
- if (unlikely(p->mm == mm)) {
- lock_task_sighand(p, &flags);
- nr += zap_process(p, exit_code,
- SIGNAL_GROUP_EXIT);
- unlock_task_sighand(p, &flags);
- }
- break;
+
+ for_each_thread(g, p) {
+ if (unlikely(!p->mm))
+ continue;
+ if (unlikely(p->mm == mm)) {
+ lock_task_sighand(p, &flags);
+ nr += zap_process(p, exit_code,
+ SIGNAL_GROUP_EXIT);
+ unlock_task_sighand(p, &flags);
}
- } while_each_thread(g, p);
+ break;
+ }
}
rcu_read_unlock();
done: