linux-kernel - Re: [PATCH 2/4] blk-mq: improve error handling in blk_mq_alloc_rq

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Date:   Tue, 1 Nov 2022 12:18:58 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Christoph Hellwig <hch@....de>, Jinlong Chen <nickyc975@....edu.cn>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] blk-mq: improve error handling in
 blk_mq_alloc_rq_map()

On 11/1/22 11:34 AM, Christoph Hellwig wrote:
>>  	if (!tags)
>> -		return NULL;
>> +		goto err_out;
> 
> Using a label just for the direct error return here is a bit silly.

Plus that's not idiomatic code for cleanup, just keep the NULL
return if there's no cleanup to be done.

-- 
Jens Axboe