linux-kernel - Re: [PATCH] ACPI/IORT: Rename arm_smmu_v3_set

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Message-ID: <7743b3e7-da5f-667d-9222-7ecab5a20876@huawei.com>
Date:   Tue, 23 Jul 2019 09:41:17 +0800
From:   Hanjun Guo <guohanjun@...wei.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        <linux-acpi@...r.kernel.org>
CC:     Will Deacon <will@...nel.org>, Sudeep Holla <sudeep.holla@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Robin Murphy <robin.murphy@....com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        LKML <linux-kernel@...r.kernel.org>,
        LAKML <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] ACPI/IORT: Rename arm_smmu_v3_set_proximity() 'node'
 local variable

On 2019/7/23 0:14, Lorenzo Pieralisi wrote:
> Commit 36a2ba07757d ("ACPI/IORT: Reject platform device creation on NUMA
> node mapping failure") introduced a local variable 'node' in
> arm_smmu_v3_set_proximity() that shadows the struct acpi_iort_node
> pointer function parameter.
> 
> Execution was unaffected but it is prone to errors and can lead
> to subtle bugs.
> 
> Rename the local variable to prevent any issue.
> 
> Reported-by: Will Deacon <will@...nel.org>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
> Cc: Will Deacon <will@...nel.org>
> Cc: Hanjun Guo <guohanjun@...wei.com>
> Cc: Sudeep Holla <sudeep.holla@....com>
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: Robin Murphy <robin.murphy@....com>
> Cc: Kefeng Wang <wangkefeng.wang@...wei.com>
> ---
>  drivers/acpi/arm64/iort.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Hanjun Guo <guohanjun@...wei.com>