linux-kernel - Re: [PATCH v2 1/2] iommu/arm-smmu-v3: Avoid open coded arithmetic in memory allocation

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Date:   Tue,  8 Feb 2022 16:21:51 +0000
From:   Will Deacon <will@...nel.org>
To:     Joerg Roedel <joro@...tes.org>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Robin Murphy <robin.murphy@....com>
Cc:     catalin.marinas@....com, kernel-team@...roid.com,
        Will Deacon <will@...nel.org>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH v2 1/2] iommu/arm-smmu-v3: Avoid open coded arithmetic in memory allocation

On Mon, 7 Feb 2022 23:50:48 +0100, Christophe JAILLET wrote:
> kmalloc_array()/kcalloc() should be used to avoid potential overflow when
> a multiplication is needed to compute the size of the requested memory.
> 
> So turn a devm_kzalloc()+explicit size computation into an equivalent
> devm_kcalloc().
> 
> 
> [...]

Applied to will (for-joerg/arm-smmu/updates), thanks!

[1/2] iommu/arm-smmu-v3: Avoid open coded arithmetic in memory allocation
      https://git.kernel.org/will/c/98b64741d611
[2/2] iommu/arm-smmu-v3: Simplify memory allocation
      https://git.kernel.org/will/c/fcdeb8c34043

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev