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From: Catalin Marinas <catalin.marinas@arm.com>
To: Yang Yingliang <yangyingliang@huawei.com>
Cc: linux-pci@vger.kernel.org, will.deacon@arm.com,
	linux-kernel@vger.kernel.org, gcherian@marvell.com,
	guohanjun@huawei.com, bhelgaas@google.com,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64: PCI: fix memleak when calling pci_iomap/unmap()
Date: Mon, 7 Sep 2020 11:45:47 +0100	[thread overview]
Message-ID: <20200907104546.GC26513@gaia> (raw)
In-Reply-To: <20200905024811.74701-1-yangyingliang@huawei.com>

On Sat, Sep 05, 2020 at 10:48:11AM +0800, Yang Yingliang wrote:
> diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
> index 1006ed2d7c604..ddfa1c53def48 100644
> --- a/arch/arm64/kernel/pci.c
> +++ b/arch/arm64/kernel/pci.c
> @@ -217,4 +217,9 @@ void pcibios_remove_bus(struct pci_bus *bus)
>  	acpi_pci_remove_bus(bus);
>  }
>  
> +void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
> +{
> +	iounmap(addr);
> +}
> +EXPORT_SYMBOL(pci_iounmap);

So, what's wrong with the generic pci_iounmap() implementation?
Shouldn't it call iounmap() already?

-- 
Catalin

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  reply	other threads:[~2020-09-07 10:47 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-05  2:48 [PATCH] arm64: PCI: fix memleak when calling pci_iomap/unmap() Yang Yingliang
2020-09-07 10:45 ` Catalin Marinas [this message]
     [not found]   ` <BYAPR18MB267959E6FE4BEF38D0A4611EC5280@BYAPR18MB2679.namprd18.prod.outlook.com>
2020-09-07 11:21     ` Catalin Marinas
2020-09-09 11:36       ` Lorenzo Pieralisi
2020-09-09 13:54         ` Catalin Marinas
2020-09-09 17:37           ` Lorenzo Pieralisi
2020-09-11  9:51           ` Lorenzo Pieralisi

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