diff options
Diffstat (limited to 'drivers/char/tty_io.c')
| -rw-r--r-- | drivers/char/tty_io.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index cc941a3504d..a19fef2093f 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -707,6 +707,8 @@ void disassociate_ctty(int on_exit) struct tty_struct *tty; struct pid *tty_pgrp = NULL; + if (!current->signal->leader) + return; tty = get_current_tty(); if (tty) { @@ -772,8 +774,7 @@ void no_tty(void) { struct task_struct *tsk = current; lock_kernel(); - if (tsk->signal->leader) - disassociate_ctty(0); + disassociate_ctty(0); unlock_kernel(); proc_clear_tty(tsk); } |