will_become_orphaned_pgrp: partially fix insufficient ->exit_state check
[linux-2.6-block.git] / kernel / exit.c
index 11fcce760151435cb0afcbc640231f52b0de471c..41c1edace97a34fc44d5725ed4544ad07bf33dd5 100644 (file)
@@ -214,20 +214,19 @@ struct pid *session_of_pgrp(struct pid *pgrp)
 static int will_become_orphaned_pgrp(struct pid *pgrp, struct task_struct *ignored_task)
 {
        struct task_struct *p;
-       int ret = 1;
 
        do_each_pid_task(pgrp, PIDTYPE_PGID, p) {
-               if (p == ignored_task
-                               || p->exit_state
-                               || is_global_init(p->real_parent))
+               if ((p == ignored_task) ||
+                   (p->exit_state && thread_group_empty(p)) ||
+                   is_global_init(p->real_parent))
                        continue;
+
                if (task_pgrp(p->real_parent) != pgrp &&
-                   task_session(p->real_parent) == task_session(p)) {
-                       ret = 0;
-                       break;
-               }
+                   task_session(p->real_parent) == task_session(p))
+                       return 0;
        } while_each_pid_task(pgrp, PIDTYPE_PGID, p);
-       return ret;     /* (sighing) "Often!" */
+
+       return 1;
 }
 
 int is_current_pgrp_orphaned(void)