linux-kernel - Re: [PATCH] mtd: nand: qpic_common: use {cmd,data}_sgl_nitems for sg_init

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Message-ID: <388af03e-a9b8-47dd-876d-104d9c549957@oss.qualcomm.com>
Date: Mon, 11 Aug 2025 12:36:30 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Gabor Juhos <j4g8y7@...il.com>, Miquel Raynal
 <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>
Cc: linux-mtd@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mtd: nand: qpic_common: use {cmd,data}_sgl_nitems for
 sg_init_table()

On 8/11/25 10:30 AM, Gabor Juhos wrote:
> Since commit ddaad4ad774d ("mtd: nand: qpic_common: prevent out of
> bounds access of BAM arrays"), the {cmd,data}_sgl_nitems members in
> the 'bam_transaction' structure are containing the number of elements
> in the cmd/data scatter-gather lists.
> 
> Change the qcom_clear_bam_transaction() function to use these numbers
> while reinitializing the sg lists instead of recomputing the number of
> elements to make it less error prone.
> 
> Signed-off-by: Gabor Juhos <j4g8y7@...il.com>
> ---

Acked-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad