[PATCH] nand: brcmnand: fix OOB R/W with Hamming ECC

Álvaro Fernández Rojas noltari at gmail.com
Wed Feb 24 02:16:58 EST 2021

Hi Florian,

> El 24 feb 2021, a las 4:46, Florian Fainelli <f.fainelli at gmail.com> escribió:
> On 2/22/2021 12:16 PM, Álvaro Fernández Rojas wrote:
>> Hamming ECC doesn't cover the OOB data, so reading or writing OOB shall
>> always be done without ECC enabled.
>> This is a problem when adding JFFS2 cleanmarkers to erased blocks. If JFFS2
>> clenmarkers are added to the OOB with ECC enabled, OOB bytes will be changed
>> from ff ff ff to 00 00 00, reporting incorrect ECC errors.
>> Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
> Should there be a Fixes: tag provided here for back porting to stable trees?

I think so, but the fixed commit would be the first one, right?

> -- 
> Florian

Best regards,

More information about the linux-mtd mailing list