diff --git a/[refs] b/[refs]
index ace2d2849956..de4bd68dd7f1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6a36913a33cf3d366e124f25c486a71212d02bce
+refs/heads/master: c43d8636971c39da993e94082fd65bfff421618e
diff --git a/trunk/drivers/mmc/card/sdio_uart.c b/trunk/drivers/mmc/card/sdio_uart.c
index eeea84c309e6..78ad48718ab0 100644
--- a/trunk/drivers/mmc/card/sdio_uart.c
+++ b/trunk/drivers/mmc/card/sdio_uart.c
@@ -885,12 +885,14 @@ static void sdio_uart_set_termios(struct tty_struct *tty, struct ktermios *old_t
 	sdio_uart_release_func(port);
 }
 
-static void sdio_uart_break_ctl(struct tty_struct *tty, int break_state)
+static int sdio_uart_break_ctl(struct tty_struct *tty, int break_state)
 {
 	struct sdio_uart_port *port = tty->driver_data;
+	int result;
 
-	if (sdio_uart_claim_func(port) != 0)
-		return;
+	result = sdio_uart_claim_func(port);
+	if (result != 0)
+		return result;
 
 	if (break_state == -1)
 		port->lcr |= UART_LCR_SBC;
@@ -899,6 +901,7 @@ static void sdio_uart_break_ctl(struct tty_struct *tty, int break_state)
 	sdio_out(port, UART_LCR, port->lcr);
 
 	sdio_uart_release_func(port);
+	return 0;
 }
 
 static int sdio_uart_tiocmget(struct tty_struct *tty, struct file *file)