linux-kernel - Re: [PATCH v3 06/57] sched: Simplify sysctl_sched_uclamp

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Date:   Mon, 12 Jun 2023 16:47:04 +0300
From:   Dan Carpenter <dan.carpenter@...aro.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     torvalds@...ux-foundation.org, keescook@...omium.org,
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Subject: Re: [PATCH v3 06/57] sched: Simplify sysctl_sched_uclamp_handler()

On Mon, Jun 12, 2023 at 11:07:19AM +0200, Peter Zijlstra wrote:
> @@ -1810,7 +1811,7 @@ static int sysctl_sched_uclamp_handler(s
>  	if (result)
>  		goto undo;
>  	if (!write)
> -		goto done;
> +		return result;

This would be nicer as a "return 0;"

>  
>  	if (sysctl_sched_uclamp_util_min > sysctl_sched_uclamp_util_max ||
>  	    sysctl_sched_uclamp_util_max > SCHED_CAPACITY_SCALE	||
> @@ -1846,16 +1847,12 @@ static int sysctl_sched_uclamp_handler(s
>  	 * Otherwise, keep it simple and do just a lazy update at each next
>  	 * task enqueue time.
>  	 */
> -
> -	goto done;
> +	return result;

This is a return 0 as well.

regards,
dan carpenter

>  
>  undo:
>  	sysctl_sched_uclamp_util_min = old_min;
>  	sysctl_sched_uclamp_util_max = old_max;
>  	sysctl_sched_uclamp_util_min_rt_default = old_min_rt;
> -done:
> -	mutex_unlock(&uclamp_mutex);
> -
>  	return result;
>  }