Don't shadow error from serial8250_register_8250_port() and return it as is.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/tty/serial/8250/8250_platform.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/8250/8250_platform.c b/drivers/tty/serial/8250/8250_platform.c
index a0e71b03015a..ffa2b7b690d3 100644
--- a/drivers/tty/serial/8250/8250_platform.c
+++ b/drivers/tty/serial/8250/8250_platform.c
@@ -150,7 +150,7 @@ static int serial8250_platform_probe(struct platform_device *pdev)
 
 	line = serial8250_register_8250_port(&uart);
 	if (line < 0)
-		return -ENODEV;
+		return line;
 
 	return 0;
 }
-- 
2.43.0.rc1.1336.g36b5255a03ac