Re: [PATCH] thermal/drivers/cpu_cooling: Fix an IS_ERR() vs NULL bug

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On 20-12-19, 08:40, Dan Carpenter wrote:
> The idle_inject_register() function returns NULL on error, it never
> returns error pointers.
> 
> Fixes: 1e044f70e5c2 ("thermal/drivers/cpu_cooling: Introduce the cpu idle cooling driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
>  drivers/thermal/cpuidle_cooling.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/thermal/cpuidle_cooling.c b/drivers/thermal/cpuidle_cooling.c
> index 6d778acefeec..ab48387ce868 100644
> --- a/drivers/thermal/cpuidle_cooling.c
> +++ b/drivers/thermal/cpuidle_cooling.c
> @@ -187,8 +187,8 @@ __init cpuidle_of_cooling_register(struct device_node *np,
>  	}
>  
>  	ii_dev = idle_inject_register(drv->cpumask);
> -	if (IS_ERR(ii_dev)) {
> -		ret = PTR_ERR(ii_dev);
> +	if (!ii_dev) {
> +		ret = -ENOMEM;
>  		goto out_id;
>  	}

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

-- 
viresh



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