linux-kernel - Re: [PATCH] scsi: wd719x: Return proper error code when dma_set

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Date:   Mon, 28 Feb 2022 15:43:06 +0000
From:   Johannes Thumshirn <Johannes.Thumshirn@....com>
To:     Zheyu Ma <zheyuma97@...il.com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>
CC:     "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] scsi: wd719x: Return proper error code when
 dma_set_mask() fails

On 28/02/2022 15:54, Zheyu Ma wrote:
> During the process of driver probing, the probe function should return < 0
> for failure, otherwise, the kernel will treat value >= 0 as success.

"So set 'err' to the error value returned by dma_set_mask() in case of failure"

Otherwise looks good to me,
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@....com>