linux-kernel - Re: [PATCH 3/3] mtd: phram: Fix error return code in phram

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Date:   Thu, 8 Apr 2021 21:26:09 +0800
From:   "yukuai (C)" <yukuai3@...wei.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>
CC:     <joern@...ybastard.org>, <richard@....at>, <vigneshr@...com>,
        <matthias.bgg@...il.com>, <linux-mtd@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <yi.zhang@...wei.com>
Subject: Re: [PATCH 3/3] mtd: phram: Fix error return code in phram_setup()

On 2021/04/08 20:46, Miquel Raynal wrote:
> Hi Yu,
> 
> Yu Kuai <yukuai3@...wei.com> wrote on Thu, 8 Apr 2021 19:15:14 +0800:
> 
>> Fix to return a negative error code from the error handling
>> case instead of 0, as done elsewhere in this function.
>>
>> Reported-by: Hulk Robot <hulkci@...wei.com>
>> Signed-off-by: Yu Kuai <yukuai3@...wei.com>
>> ---
>>   drivers/mtd/devices/phram.c | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
>> index 5b04ae6c3057..6ed6c51fac69 100644
>> --- a/drivers/mtd/devices/phram.c
>> +++ b/drivers/mtd/devices/phram.c
>> @@ -270,6 +270,7 @@ static int phram_setup(const char *val)
>>   	if (len == 0 || erasesize == 0 || erasesize > len
>>   	    || erasesize > UINT_MAX || rem) {
>>   		parse_err("illegal erasesize or len\n");
>> +		ret = -EINVAL;
>>   		goto error;
>>   	}
>>   
> 
> It looks like you're doing the opposite of what you say.
> 
Hi,

sorry about that, I misunderstood 'fix to'.

Thanks
Yu Kuai
> Thanks,
> Miquèl
> .
>