The return value of devm_gpiochip_add_data() is not always 0.
To catch the exception in case of the failure.
Fixes: 69c0a0a52cde ("gpio: lpc32xx: Use devm_gpiochip_add_data() for gpio registration")
Signed-off-by: Jiasheng Jiang <[email protected]>
---
Changelog
v1 -> v2
* Change 1. Correct mixed declarations and code.
---
drivers/gpio/gpio-lpc32xx.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c
index 4e626c4235c2..e3b734302b76 100644
--- a/drivers/gpio/gpio-lpc32xx.c
+++ b/drivers/gpio/gpio-lpc32xx.c
@@ -505,6 +505,7 @@ static int lpc32xx_of_xlate(struct gpio_chip *gc,
static int lpc32xx_gpio_probe(struct platform_device *pdev)
{
int i;
+ int err;
void __iomem *reg_base;
reg_base = devm_platform_ioremap_resource(pdev, 0);
@@ -518,8 +519,10 @@ static int lpc32xx_gpio_probe(struct platform_device *pdev)
lpc32xx_gpiochip[i].chip.of_node = pdev->dev.of_node;
lpc32xx_gpiochip[i].reg_base = reg_base;
}
- devm_gpiochip_add_data(&pdev->dev, &lpc32xx_gpiochip[i].chip,
+ err = devm_gpiochip_add_data(&pdev->dev, &lpc32xx_gpiochip[i].chip,
&lpc32xx_gpiochip[i]);
+ if (err)
+ return err;
}
return 0;
--
2.25.1