linux-kernel - Re: [PATCH -next] mm/usercopy: fix warning Comparison to bool

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Message-Id: <20200415160439.256c89d4cb67b76d4119935d@linux-foundation.org>
Date:   Wed, 15 Apr 2020 16:04:39 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Zou Wei <zou_wei@...wei.com>
Cc:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] mm/usercopy: fix warning Comparison to bool

On Tue, 14 Apr 2020 11:42:04 +0800 Zou Wei <zou_wei@...wei.com> wrote:

> fix below warnings reported by coccicheck
> 
> mm/usercopy.c:304:5-18: WARNING: Comparison to bool
>
> ...
>
> --- a/mm/usercopy.c
> +++ b/mm/usercopy.c
> @@ -301,7 +301,7 @@ __setup("hardened_usercopy=", parse_hardened_usercopy);
>  
>  static int __init set_hardened_usercopy(void)
>  {
> -	if (enable_checks == false)
> +	if (!enable_checks)
>  		static_branch_enable(&bypass_usercopy_checks);
>  	return 1;
>  }

My initial reaction is "fix coccicheck".  There's nothing wrong with
that code?