diff --git a/[refs] b/[refs]
index d64cb4f83ad7..98ed29d2e516 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5dd070d21e2cb34b4162d564d73cca3591f94389
+refs/heads/master: ded2f295a36d17838fe97e80d7b6ea83381474f8
diff --git a/trunk/drivers/tty/pty.c b/trunk/drivers/tty/pty.c
index be6a373601b7..79ff3a5e925d 100644
--- a/trunk/drivers/tty/pty.c
+++ b/trunk/drivers/tty/pty.c
@@ -441,6 +441,8 @@ static int pty_bsd_ioctl(struct tty_struct *tty,
 		return pty_get_pktmode(tty, (int __user *)arg);
 	case TIOCSIG:    /* Send signal to other side of pty */
 		return pty_signal(tty, (int) arg);
+	case TIOCGPTN: /* TTY returns ENOTTY, but glibc expects EINVAL here */
+		return -EINVAL;
 	}
 	return -ENOIOCTLCMD;
 }