netdev - Re: [PATCH net-next 2/3] sctp: remove the never used 'return' and, redundant 'break'

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Date:	Wed, 18 Dec 2013 22:33:09 +0800
From:	Wang Weidong <weidong1991.wang@...il.com>
To:	Neil Horman <nhorman@...driver.com>,
	Wang Weidong <wangweidong1@...wei.com>
CC:	David Miller <davem@...emloft.net>,
	Vlad Yasevich <vyasevich@...il.com>, netdev@...r.kernel.org,
	linux-sctp@...r.kernel.org
Subject: Re: [PATCH net-next 2/3] sctp: remove the never used 'return' and,
 redundant 'break'

From: Wang Weidong <wangweidong1@...wei.com>

On 2013/12/18 22:06, Neil Horman wrote:
> On Wed, Dec 18, 2013 at 05:20:32PM +0800, Wang Weidong wrote:
>> In switch() had do return, and never use the 'return NULL'. The
>> 'break' after return or goto has no effect. Remove it.
>>
>> Signed-off-by: Wang Weidong <wangweidong1@...wei.com>
>> ---
>>   net/sctp/input.c | 5 -----
>>   1 file changed, 5 deletions(-)
>>
>> diff --git a/net/sctp/input.c b/net/sctp/input.c
>> index 2a192a7..c956dc9 100644
>> --- a/net/sctp/input.c
>> +++ b/net/sctp/input.c
>> @@ -1120,15 +1120,10 @@ static struct sctp_association *__sctp_rcv_lookup_harder(struct net *net,
>>   	case SCTP_CID_INIT:
>>   	case SCTP_CID_INIT_ACK:
>>   		return __sctp_rcv_init_lookup(net, skb, laddr, transportp);
>> -		break;
>>
>>   	default:
>>   		return __sctp_rcv_walk_lookup(net, skb, laddr, transportp);
>> -		break;
>>   	}
>> -
>> -
>> -	return NULL;
>>   }
>>
>>   /* Lookup an association for an inbound skb. */
>> --
>> 1.7.12
>>
>>
>>
>
> If you're going to do this, it seems like you may just as well convert the
> switch to be if (ch->type && ch->type <= SCTP_CID_INIT_ACK) {...} else {...}
>
>
> That seems like it would be more readable to me.
>
> Neil
>
Hm, I will fix it.

Thanks.

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