linux-kernel - Re: [PATCH] mips: cacheinfo: Remove unnecessary increment of level

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Message-ID: <20210118084002.GA5637@alpha.franken.de>
Date:   Mon, 18 Jan 2021 09:40:02 +0100
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Souptick Joarder <jrdr.linux@...il.com>
Cc:     jiaxun.yang@...goat.com, yangtiezhu@...ngson.cn,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mips: cacheinfo: Remove unnecessary increment of level

On Sat, Jan 16, 2021 at 02:10:00PM +0530, Souptick Joarder wrote:
> kernel test robot throws below warning ->
> 
> arch/mips/kernel/cacheinfo.c:112:3: warning: Variable 'level' is
> modified but its new value is never used. [unreadVariable]
> 
> Remove unnecessary increment of level at the end.
> 
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
> ---
>  arch/mips/kernel/cacheinfo.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/mips/kernel/cacheinfo.c b/arch/mips/kernel/cacheinfo.c
> index 5f9d0eb..c858ae3 100644
> --- a/arch/mips/kernel/cacheinfo.c
> +++ b/arch/mips/kernel/cacheinfo.c
> @@ -109,7 +109,6 @@ static int __populate_cache_leaves(unsigned int cpu)
>  
>  	if (c->tcache.waysize) {
>  		populate_cache(tcache, this_leaf, level, CACHE_TYPE_UNIFIED);
> -		level++;

please remove the no longer needed braces, too.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]