diff options
-rw-r--r-- | fs/exec.c | 10 |
1 files changed, 7 insertions, 3 deletions
@@ -590,6 +590,7 @@ static inline int de_thread(struct task_struct *tsk) | |||
590 | struct signal_struct *sig = tsk->signal; | 590 | struct signal_struct *sig = tsk->signal; |
591 | struct sighand_struct *newsighand, *oldsighand = tsk->sighand; | 591 | struct sighand_struct *newsighand, *oldsighand = tsk->sighand; |
592 | spinlock_t *lock = &oldsighand->siglock; | 592 | spinlock_t *lock = &oldsighand->siglock; |
593 | struct task_struct *leader = NULL; | ||
593 | int count; | 594 | int count; |
594 | 595 | ||
595 | /* | 596 | /* |
@@ -665,7 +666,7 @@ static inline int de_thread(struct task_struct *tsk) | |||
665 | * and to assume its PID: | 666 | * and to assume its PID: |
666 | */ | 667 | */ |
667 | if (!thread_group_leader(current)) { | 668 | if (!thread_group_leader(current)) { |
668 | struct task_struct *leader = current->group_leader, *parent; | 669 | struct task_struct *parent; |
669 | struct dentry *proc_dentry1, *proc_dentry2; | 670 | struct dentry *proc_dentry1, *proc_dentry2; |
670 | unsigned long exit_state, ptrace; | 671 | unsigned long exit_state, ptrace; |
671 | 672 | ||
@@ -674,6 +675,7 @@ static inline int de_thread(struct task_struct *tsk) | |||
674 | * It should already be zombie at this point, most | 675 | * It should already be zombie at this point, most |
675 | * of the time. | 676 | * of the time. |
676 | */ | 677 | */ |
678 | leader = current->group_leader; | ||
677 | while (leader->exit_state != EXIT_ZOMBIE) | 679 | while (leader->exit_state != EXIT_ZOMBIE) |
678 | yield(); | 680 | yield(); |
679 | 681 | ||
@@ -733,7 +735,6 @@ static inline int de_thread(struct task_struct *tsk) | |||
733 | proc_pid_flush(proc_dentry2); | 735 | proc_pid_flush(proc_dentry2); |
734 | 736 | ||
735 | BUG_ON(exit_state != EXIT_ZOMBIE); | 737 | BUG_ON(exit_state != EXIT_ZOMBIE); |
736 | release_task(leader); | ||
737 | } | 738 | } |
738 | 739 | ||
739 | /* | 740 | /* |
@@ -743,8 +744,11 @@ static inline int de_thread(struct task_struct *tsk) | |||
743 | sig->flags = 0; | 744 | sig->flags = 0; |
744 | 745 | ||
745 | no_thread_group: | 746 | no_thread_group: |
746 | BUG_ON(atomic_read(&sig->count) != 1); | ||
747 | exit_itimers(sig); | 747 | exit_itimers(sig); |
748 | if (leader) | ||
749 | release_task(leader); | ||
750 | |||
751 | BUG_ON(atomic_read(&sig->count) != 1); | ||
748 | 752 | ||
749 | if (atomic_read(&oldsighand->count) == 1) { | 753 | if (atomic_read(&oldsighand->count) == 1) { |
750 | /* | 754 | /* |