linux-kernel - Re: [PATCH] staging: fsl-dpaa2: replace simple switch case by if statement

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Date:   Wed, 21 Mar 2018 15:17:51 +0300
From:   Denis Kirjanov <kirjanov@...il.com>
To:     David Laight <David.Laight@...lab.com>
Cc:     "hariprasath.elango@...il.com" <hariprasath.elango@...il.com>,
        "ruxandra.radulescu@....com" <ruxandra.radulescu@....com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] staging: fsl-dpaa2: replace simple switch case by if statement

On 3/21/18, David Laight <David.Laight@...lab.com> wrote:
> From: > hariprasath.elango@...il.com
>> Sent: 21 March 2018 11:16
>> From: HariPrasath Elango <hariprasath.elango@...il.com>
>>
>> Replace a couple of simple switch cases by if condition
>
> Why?
> In principle extra 'case' might be needed in the future.

I had the same question when saw it.
It's better to keep things as is.
>
> ...
>> diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c
>> b/drivers/staging/fsl-
>> dpaa2/ethernet/dpaa2-ethtool.c
>> index 070a3f2..fb517cb 100644
>> --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c
>> +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c
>> @@ -171,8 +171,7 @@ static void dpaa2_eth_get_strings(struct net_device
>> *netdev, u32 stringset,
>>  	u8 *p = data;
>>  	int i;
>>
>> -	switch (stringset) {
>> -	case ETH_SS_STATS:
>> +	if (stringset == ETH_SS_STATS) {
>>  		for (i = 0; i < DPAA2_ETH_NUM_STATS; i++) {
>>  			strlcpy(p, dpaa2_ethtool_stats[i], ETH_GSTRING_LEN);
>>  			p += ETH_GSTRING_LEN;
>> @@ -181,18 +180,16 @@ static void dpaa2_eth_get_strings(struct net_device
>> *netdev, u32 stringset,
>>  			strlcpy(p, dpaa2_ethtool_extras[i], ETH_GSTRING_LEN);
>>  			p += ETH_GSTRING_LEN;
>>  		}
>> -		break;
>>  	}
>>  }
> ...
>
> 	David
>
> _______________________________________________
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> devel@...uxdriverproject.org
> http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
>


-- 
Regards / Mit besten Grüßen,
Denis

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