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

From: Miquel Raynal
Date: Tue May 22 2018 - 02:22:34 EST


Hi Abhishek,

On Thu, 3 May 2018 17:50:34 +0530, Abhishek Sahu
<absahu@xxxxxxxxxxxxxx> 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 donât
> 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@xxxxxxxxxxxxxx>
> ---
> * 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@xxxxxxxxxxx>



--
Miquel Raynal, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com