Re: [PATCH] watchdog: sunxi_wdt: fix improper error exit code

From: Guenter Roeck
Date: Fri May 29 2020 - 12:51:59 EST


On Fri, May 29, 2020 at 05:45:14PM +0800, Frank Lee wrote:
> From: Martin Wu <wuyan@xxxxxxxxxxxxxxxxx>
>
> sunxi_wdt_probe() should return -ENOMEM when devm_kzalloc() fails.
>
> Signed-off-by: Martin Wu <wuyan@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Frank Lee <frank@xxxxxxxxxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> drivers/watchdog/sunxi_wdt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/sunxi_wdt.c b/drivers/watchdog/sunxi_wdt.c
> index 5f05a45ac187..b50757882a98 100644
> --- a/drivers/watchdog/sunxi_wdt.c
> +++ b/drivers/watchdog/sunxi_wdt.c
> @@ -235,7 +235,7 @@ static int sunxi_wdt_probe(struct platform_device *pdev)
>
> sunxi_wdt = devm_kzalloc(dev, sizeof(*sunxi_wdt), GFP_KERNEL);
> if (!sunxi_wdt)
> - return -EINVAL;
> + return -ENOMEM;
>
> sunxi_wdt->wdt_regs = of_device_get_match_data(dev);
> if (!sunxi_wdt->wdt_regs)
> --
> 2.24.0
>