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-rw-r--r--drivers/char/tty_io.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index cc941a35..a19fef2 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);
}
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