linux-kernel - Re: [PATCH v2 5/6] mtd: spi-nor: simplify spi_nor_get_flash

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Date: Mon, 22 Apr 2024 11:14:41 +0100
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: Michael Walle <mwalle@...nel.org>, Pratyush Yadav <pratyush@...nel.org>,
 Miquel Raynal <miquel.raynal@...tlin.com>,
 Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>
Cc: Ricardo Ribalda <ribalda@...nel.org>, linux-kernel@...r.kernel.org,
 linux-mtd@...ts.infradead.org
Subject: Re: [PATCH v2 5/6] mtd: spi-nor: simplify spi_nor_get_flash_info()



On 4/22/24 11:12, Tudor Ambarus wrote:
> 
> 
> On 4/22/24 10:53, Michael Walle wrote:
>> Hi,
>>
>>> 	if (name)
>>> 		info = spi_nor_match_name(nor, name);
>>>
>>> 	if (!info || info->id) {
> 
> here
> 
>>> 		jinfo = spi_nor_detect(nor);
>>> 		if (IS_ERR(jinfo))
>>> 			return jinfo;
>>> 		
>>> 		if (jinfo != info)
>>
>> info could be NULL here. So "info &&", apart from that looks good.
> 
> it can't be NULL, the parent if indicated above assures info isn't NULL

ah, I read it wrong it's if (!info), you're right!

> 
>>
>>> 			dev_warn(();
>>> 		info = jinfo;
>>> 	}
>>
>> Pratyush, should I'll drop your Rb tag then.
>>
>> -michael