diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 20a862a..8ef2d69 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2626,6 +2626,11 @@
 		return put_user(tty->ldisc->ops->num, (int __user *)p);
 	case TIOCSETD:
 		return tiocsetd(tty, p);
+	case TIOCVHANGUP:
+		if (!capable(CAP_SYS_ADMIN))
+			return -EPERM;
+		tty_vhangup(tty);
+		return 0;
 	case TIOCGDEV:
 	{
 		unsigned int ret = new_encode_dev(tty_devnum(real_tty));