diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index 8b0da97d5293..4a4cab73d0be 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -1486,11 +1486,11 @@ static int moxa_poll_port(struct moxa_port *p, unsigned int handle,
 	}
 
 	if (!handle) /* nothing else to do */
-		return 0;
+		goto put;
 
 	intr = readw(ip); /* port irq status */
 	if (intr == 0)
-		return 0;
+		goto put;
 
 	writew(0, ip); /* ACK port */
 	ofsAddr = p->tableAddr;
@@ -1499,16 +1499,17 @@ static int moxa_poll_port(struct moxa_port *p, unsigned int handle,
 				ofsAddr + HostStat);
 
 	if (!inited)
-		return 0;
+		goto put;
 
 	if (tty && (intr & IntrBreak) && !I_IGNBRK(tty)) { /* BREAK */
 		tty_insert_flip_char(tty, 0, TTY_BREAK);
 		tty_schedule_flip(tty);
 	}
-	tty_kref_put(tty);
 
 	if (intr & IntrLine)
 		moxa_new_dcdstate(p, readb(ofsAddr + FlagStat) & DCD_state);
+put:
+	tty_kref_put(tty);
 
 	return 0;
 }