diff --git a/[refs] b/[refs]
index b4d73935387b..27b7e9f908fd 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e847003f00d5eca3e3b3a6a1199f82b51293faf6
+refs/heads/master: 464eb8f596fcbdadcfbbdb4a84847ffcb93cc4dd
diff --git a/trunk/drivers/char/mxser.c b/trunk/drivers/char/mxser.c
index d2692d443f7b..3fc89da856ae 100644
--- a/trunk/drivers/char/mxser.c
+++ b/trunk/drivers/char/mxser.c
@@ -2193,7 +2193,7 @@ static void mxser_transmit_chars(struct tty_struct *tty, struct mxser_port *port
 	port->mon_data.up_txcnt += (cnt - port->xmit_cnt);
 	port->icount.tx += (cnt - port->xmit_cnt);
 
-	if (port->xmit_cnt < WAKEUP_CHARS && tty)
+	if (port->xmit_cnt < WAKEUP_CHARS)
 		tty_wakeup(tty);
 
 	if (port->xmit_cnt <= 0) {