Re: [PATCH v2] watchdog: rti-wdt: disable runtime pm in case of failure

[Guenter Roeck <linux@roeck-us.net>]

On Wed, Nov 25, 2020 at 04:29:56PM +0800, Wang Li wrote:
> In case of runtime pm failed, should disable runtime pm.
> 
> Fixes: 2d63908bdbfb ("watchdog: Add K3 RTI watchdog support")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Wang Li <wangli74@huawei.com>

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

> ---
> Changelog:
> v2
> - Change the fix tag.
> ---
>  drivers/watchdog/rti_wdt.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/watchdog/rti_wdt.c b/drivers/watchdog/rti_wdt.c
> index 836319cbaca9..8885841eef4f 100644
> --- a/drivers/watchdog/rti_wdt.c
> +++ b/drivers/watchdog/rti_wdt.c
> @@ -227,8 +227,10 @@ static int rti_wdt_probe(struct platform_device *pdev)
>  
>  	pm_runtime_enable(dev);
>  	ret = pm_runtime_get_sync(dev);
> -	if (ret)
> -		return dev_err_probe(dev, ret, "runtime pm failed\n");
> +	if (ret) {
> +		ret = dev_err_probe(dev, ret, "runtime pm failed\n");
> +		goto err_iomap;
> +	}
>  
>  	platform_set_drvdata(pdev, wdt);
>  
> -- 
> 2.25.4
>