linux-kernel - Re: [PATCH 5/7] iommu: supress loff

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Date:	Wed, 25 Sep 2013 10:40:27 -0600
From:	Alex Williamson <alex.williamson@...hat.com>
To:	Bharat Bhushan <r65777@...escale.com>
Cc:	joro@...tes.org, benh@...nel.crashing.org,
	galak@...nel.crashing.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, linux-pci@...r.kernel.org,
	agraf@...e.de, scottwood@...escale.com,
	iommu@...ts.linux-foundation.org,
	Bharat Bhushan <Bharat.Bhushan@...escale.com>
Subject: Re: [PATCH 5/7] iommu: supress loff_t compilation error on powerpc

On Thu, 2013-09-19 at 12:59 +0530, Bharat Bhushan wrote:
> Signed-off-by: Bharat Bhushan <bharat.bhushan@...escale.com>
> ---
>  drivers/vfio/pci/vfio_pci_rdwr.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/vfio/pci/vfio_pci_rdwr.c b/drivers/vfio/pci/vfio_pci_rdwr.c
> index 210db24..8a8156a 100644
> --- a/drivers/vfio/pci/vfio_pci_rdwr.c
> +++ b/drivers/vfio/pci/vfio_pci_rdwr.c
> @@ -181,7 +181,8 @@ ssize_t vfio_pci_vga_rw(struct vfio_pci_device *vdev, char __user *buf,
>  			       size_t count, loff_t *ppos, bool iswrite)
>  {
>  	int ret;
> -	loff_t off, pos = *ppos & VFIO_PCI_OFFSET_MASK;
> +	loff_t off;
> +	u64 pos = (u64 )(*ppos & VFIO_PCI_OFFSET_MASK);
>  	void __iomem *iomem = NULL;
>  	unsigned int rsrc;
>  	bool is_ioport;

What's the compile error that this fixes?

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