diff options
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 92af5cde9bb..356d91fa095 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -80,6 +80,7 @@ static void __exit_signal(struct task_struct *tsk) { struct signal_struct *sig = tsk->signal; struct sighand_struct *sighand; + struct tty_struct *uninitialized_var(tty); BUG_ON(!sig); BUG_ON(!atomic_read(&sig->count)); @@ -93,6 +94,8 @@ static void __exit_signal(struct task_struct *tsk) posix_cpu_timers_exit(tsk); if (thread_group_leader(tsk)) { posix_cpu_timers_exit_group(tsk); + tty = sig->tty; + sig->tty = NULL; } else { /* * If there is any task waiting for the group exit @@ -147,7 +150,7 @@ static void __exit_signal(struct task_struct *tsk) * see account_group_exec_runtime(). */ task_rq_unlock_wait(tsk); - tty_kref_put(sig->tty); + tty_kref_put(tty); } } |