diff mbox series

[1/3] gpio: bcm-kona: Fix return value of bcm_kona_gpio_probe()

Message ID 1590120740-22912-1-git-send-email-yangtiezhu@loongson.cn
State New
Headers show
Series [1/3] gpio: bcm-kona: Fix return value of bcm_kona_gpio_probe() | expand

Commit Message

Tiezhu Yang May 22, 2020, 4:12 a.m. UTC 
When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.

Fixes: 72d8cb715477 ("drivers: gpio: bcm-kona: use devm_platform_ioremap_resource()")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---
 drivers/gpio/gpio-bcm-kona.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Bartosz Golaszewski May 25, 2020, 9:16 a.m. UTC | #1 
pt., 22 maj 2020 o 06:12 Tiezhu Yang <yangtiezhu@loongson.cn> napisał(a):
>
> When call function devm_platform_ioremap_resource(), we should use IS_ERR()
> to check the return value and return PTR_ERR() if failed.
>
> Fixes: 72d8cb715477 ("drivers: gpio: bcm-kona: use devm_platform_ioremap_resource()")
> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
> ---
>  drivers/gpio/gpio-bcm-kona.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c
> index baee8c3..cf3687a 100644
> --- a/drivers/gpio/gpio-bcm-kona.c
> +++ b/drivers/gpio/gpio-bcm-kona.c
> @@ -625,7 +625,7 @@ static int bcm_kona_gpio_probe(struct platform_device *pdev)
>
>         kona_gpio->reg_base = devm_platform_ioremap_resource(pdev, 0);
>         if (IS_ERR(kona_gpio->reg_base)) {
> -               ret = -ENXIO;
> +               ret = PTR_ERR(kona_gpio->reg_base);
>                 goto err_irq_domain;
>         }
>
> --
> 2.1.0
>

I fixed the commit message, since this patch addresses the error code
propagation, not the checking itself. Applied for fixes.

Bartosz
diff mbox series

Patch

diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c
index baee8c3..cf3687a 100644
--- a/drivers/gpio/gpio-bcm-kona.c
+++ b/drivers/gpio/gpio-bcm-kona.c
@@ -625,7 +625,7 @@  static int bcm_kona_gpio_probe(struct platform_device *pdev)
 
 	kona_gpio->reg_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(kona_gpio->reg_base)) {
-		ret = -ENXIO;
+		ret = PTR_ERR(kona_gpio->reg_base);
 		goto err_irq_domain;
 	}