linux-kernel - Re: [PATCH] s390/qeth: remove useless if/else

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Message-ID: <8390c0e9-d91c-91ff-11d0-4fe0b01a4722@linux.ibm.com>
Date:   Mon, 9 Nov 2020 10:05:15 +0200
From:   Julian Wiedmann <jwi@...ux.ibm.com>
To:     xiakaixu1987@...il.com, hca@...ux.ibm.com, gor@...ux.ibm.com,
        borntraeger@...ibm.com
Cc:     linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        Kaixu Xia <kaixuxia@...cent.com>
Subject: Re: [PATCH] s390/qeth: remove useless if/else

On 08.11.20 08:34, xiakaixu1987@...il.com wrote:
> From: Kaixu Xia <kaixuxia@...cent.com>
> 
> Fix the following coccinelle report:
> 
> ./drivers/s390/net/qeth_l3_main.c:107:2-4: WARNING: possible condition with no effect (if == else)
> 
> Both branches are the same, so remove them.
> 

Indeed, missed that in commit
ab29c480b194 ("s390/qeth: replace deprecated simple_stroul()")

Applied, thanks!

> Reported-by: Tosk Robot <tencent_os_robot@...cent.com>
> Signed-off-by: Kaixu Xia <kaixuxia@...cent.com>
> ---
>  drivers/s390/net/qeth_l3_main.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
> index b1c1d2510d55..264b6c782382 100644
> --- a/drivers/s390/net/qeth_l3_main.c
> +++ b/drivers/s390/net/qeth_l3_main.c
> @@ -104,10 +104,7 @@ static bool qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card,
>  		qeth_l3_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
>  					  (ipatoe->proto == QETH_PROT_IPV4) ?
>  					  4 : 16);
> -		if (addr->proto == QETH_PROT_IPV4)
> -			rc = !memcmp(addr_bits, ipatoe_bits, ipatoe->mask_bits);
> -		else
> -			rc = !memcmp(addr_bits, ipatoe_bits, ipatoe->mask_bits);
> +		rc = !memcmp(addr_bits, ipatoe_bits, ipatoe->mask_bits);
>  		if (rc)
>  			break;
>  	}
>