linux-kernel - Re: [PATCH] staging: qlge/qlge_main: Use min

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Message-ID: <20210204225844.GA431671@localhost>
Date:   Thu, 4 Feb 2021 15:58:44 -0700
From:   Nathan Chancellor <nathan@...nel.org>
To:     ameynarkhede02@...il.com
Cc:     manishc@...vell.com, GR-Linux-NIC-Dev@...vell.com,
        gregkh@...uxfoundation.org, netdev@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: qlge/qlge_main: Use min_t instead of min

On Fri, Feb 05, 2021 at 03:24:51AM +0530, ameynarkhede02@...il.com wrote:
> From: Amey Narkhede <ameynarkhede02@...il.com>
> 
> Use min_t instead of min function in qlge/qlge_main.c
> Fixes following checkpatch.pl warning:
> WARNING: min() should probably be min_t(int, MAX_CPUS, num_online_cpus())
> 
> Signed-off-by: Amey Narkhede <ameynarkhede02@...il.com>
> ---
>  drivers/staging/qlge/qlge_main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
> index 402edaeff..29606d1eb 100644
> --- a/drivers/staging/qlge/qlge_main.c
> +++ b/drivers/staging/qlge/qlge_main.c
> @@ -3938,7 +3938,7 @@ static int ql_configure_rings(struct ql_adapter *qdev)
>  	int i;
>  	struct rx_ring *rx_ring;
>  	struct tx_ring *tx_ring;
> -	int cpu_cnt = min(MAX_CPUS, (int)num_online_cpus());
> +	int cpu_cnt = min_t(int, MAX_CPUS, (int)num_online_cpus());

You should remove the cast on num_online_cpus() like checkpatch
suggests. min_t adds the cast to int on both of the inputs for you.

> 
>  	/* In a perfect world we have one RSS ring for each CPU
>  	 * and each has it's own vector.  To do that we ask for
> --
> 2.30.0

Cheers,
Nathan