[PATCH] Add back lost call to tty->driver.set_termios

[Sergey Vlasov]

The call to tty->driver.set_termios in change_termios() has been lost;
after termios locking changes it can be put back safely.

--- kernel-source-2.4.27/drivers/char/tty_ioctl.c.set_termios	2004-11-07 18:28:12 +0300
+++ kernel-source-2.4.27/drivers/char/tty_ioctl.c	2004-11-07 21:44:36 +0300
@@ -138,6 +138,9 @@ static void change_termios(struct tty_st
 		}
 	}
 
+	if (tty->driver.set_termios)
+		(*tty->driver.set_termios)(tty, &old_termios);
+
 	ld = tty_ldisc_ref(tty);
 	if (ld != NULL) {
 		if (ld->set_termios)

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