serial: fsl_lpuart: Return proper error on lpuart_serial_init error path

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 7bc17f2..8978dc9 100644 (file)
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -863,7 +863,7 @@ static int __init lpuart_serial_init(void)
        if (ret)
                uart_unregister_driver(&lpuart_reg);
 
-       return 0;
+       return ret;
 }
 
 static void __exit lpuart_serial_exit(void)