Re: [PATCH] arm64: PCI: fix memleak when calling pci_iomap/unmap()

[Catalin Marinas]

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