linux-kernel - Re: [PATCH v2 07/14] mtd: rawnand: qcom: fix null pointer access for erased page detection

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Date:   Tue, 22 May 2018 19:41:09 +0530
From:   Abhishek Sahu <absahu@...eaurora.org>
To:     Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     Boris Brezillon <boris.brezillon@...tlin.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mtd@...ts.infradead.org, Andy Gross <andy.gross@...aro.org>,
        Archit Taneja <architt@...eaurora.org>
Subject: Re: [PATCH v2 07/14] mtd: rawnand: qcom: fix null pointer access for
 erased page detection

On 2018-05-22 12:46, Miquel Raynal wrote:
> Hi Abhishek,
> 
> On Thu,  3 May 2018 17:50:34 +0530, Abhishek Sahu
> <absahu@...eaurora.org> wrote:
> 
>> parse_read_errors can be called with only oob_buf in which case
>> data_buf will be NULL.  If data_buf is NULL, then don’t
>> treat this page as completely erased in case of ECC uncorrectable
>> error for RS ECC. For BCH ECC, the controller itself tells
>> regarding erased page in status register.
>> 
>> Signed-off-by: Abhishek Sahu <absahu@...eaurora.org>
>> ---
>> * Changes from v1:
>> 
>>   1. Added more detail in commit message
>>   2. Added comment before each if/else
> 
> Again, thanks for that.
> 
>> 
>>  drivers/mtd/nand/raw/qcom_nandc.c | 18 +++++++++++++++---
>>  1 file changed, 15 insertions(+), 3 deletions(-)
> 
> Acked-by: Miquel Raynal <miquel.raynal@...tlin.com>

  Thanks Miquel for your review.

  Regards,
  Abhishek