linux-kernel - Re: [PATCH v3] iommu: remove redundant parameter check in tegra_smmu_debugfs

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Date:   Thu, 13 Jul 2023 09:23:46 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Minjie Du <duminjie@...o.com>
Cc:     Krishna Reddy <vdumpa@...dia.com>, Joerg Roedel <joro@...tes.org>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        "open list:TEGRA IOMMU DRIVERS" <linux-tegra@...r.kernel.org>,
        "open list:IOMMU SUBSYSTEM" <iommu@...ts.linux.dev>,
        open list <linux-kernel@...r.kernel.org>,
        opensource.kernel@...o.com, Thierry Reding <treding@...dia.com>
Subject: Re: [PATCH v3] iommu: remove redundant parameter check in
 tegra_smmu_debugfs_init()

On Thu, Jul 13, 2023 at 03:19:02PM +0800, Minjie Du wrote:
> debugfs_create_file() will return early if smmu->debugfs is an error
>   pointer, so an extra error check is not needed.

Not sure where the two spaces at the beginning of the line came from,
but they don't belong there.

Thierry

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