diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index df3a8c74358e..971103714ddd 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -61,7 +61,7 @@ static void uart_port_shutdown(struct tty_port *port);
 
 static int uart_dcd_enabled(struct uart_port *uport)
 {
-	return uport->status & UPSTAT_DCD_ENABLE;
+	return !!(uport->status & UPSTAT_DCD_ENABLE);
 }
 
 /*
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 21c2e05c1bc3..bccf4bac22f5 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -367,7 +367,7 @@ static inline int uart_tx_stopped(struct uart_port *port)
 
 static inline bool uart_cts_enabled(struct uart_port *uport)
 {
-	return uport->status & UPSTAT_CTS_ENABLE;
+	return !!(uport->status & UPSTAT_CTS_ENABLE);
 }
 
 /*