Also fix get_priority_mask() return value check in serial_flush()

diff --git a/drivers/serial.c b/drivers/serial.c
index 7698069..155478e 100644 (file)
--- a/drivers/serial.c
+++ b/drivers/serial.c
@@ -237,7 +237,7 @@ int serial_flush(uint32_t uart_num)
        /* Active wait for message to be sent. If interrupts are
         * disabled, call the UART handler while waiting. */
        while (uart->sending) {
-               if (get_priority_mask() == 0) {
+               if (get_priority_mask() != 0) {
                        uart_check_tx(uart, uart->regs->func.intr_pending);
                }
        }