spi: at91-usart: Use PTR_ERR_OR_ZERO() to simplify code

Return PTR_ERR_OR_ZERO() instead of return 0 or PTR_ERR() to
simplify code.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20230822124643.987079-1-ruanjinjie@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-at91-usart.c b/drivers/spi/spi-at91-usart.c
index 75d9bc606442edc0de12d22f603761f4518644fa..b11d0f993cc761751bbd1b270b798afcd042da4a 100644 (file)
--- a/drivers/spi/spi-at91-usart.c
+++ b/drivers/spi/spi-at91-usart.c
@@ -485,10 +485,7 @@ static int at91_usart_gpio_setup(struct platform_device *pdev)
 
        cs_gpios = devm_gpiod_get_array_optional(&pdev->dev, "cs", GPIOD_OUT_LOW);
 
-       if (IS_ERR(cs_gpios))
-               return PTR_ERR(cs_gpios);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(cs_gpios);
 }
 
 static int at91_usart_spi_probe(struct platform_device *pdev)