linux-kernel - Re: [PATCH] nand: brcmnand: fix OOB R/W with Hamming ECC

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Message-ID: <32837cb2-f7ba-d59e-de66-051019b21e89@gmail.com>
Date:   Tue, 23 Feb 2021 19:46:14 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Álvaro Fernández Rojas <noltari@...il.com>,
        Brian Norris <computersforpeace@...il.com>,
        Kamal Dasu <kdasu.kdev@...il.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-mtd@...ts.infradead.org,
        bcm-kernel-feedback-list@...adcom.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nand: brcmnand: fix OOB R/W with Hamming ECC



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@...il.com>

Should there be a Fixes: tag provided here for back porting to stable trees?
-- 
Florian