audit: remove bogus tty name check

tty name is an array not a pointer

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 2f186ed..fc7376bf 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1159,7 +1159,7 @@
 	cred = current_cred();
 
 	spin_lock_irq(&tsk->sighand->siglock);
-	if (tsk->signal && tsk->signal->tty && tsk->signal->tty->name)
+	if (tsk->signal && tsk->signal->tty)
 		tty = tsk->signal->tty->name;
 	else
 		tty = "(none)";