Re: [PATCH 5/7] iommu: supress loff_t compilation error on powerpc

[Alex Williamson <alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

On Thu, 2013-09-19 at 12:59 +0530, Bharat Bhushan wrote:
> Signed-off-by: Bharat Bhushan <bharat.bhushan-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
> ---
>  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?