Re: [Xen-devel] [PATCH v1] xenpt: Properly handle 64-bit bar with more than 4G size

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 05.08.15 at 04:02, <feng.wu@xxxxxxxxx> wrote:
> @@ -491,8 +474,9 @@ static int xen_pt_bar_reg_write(XenPCIPassthroughState 
> *s, XenPTReg *cfg_entry,
>          bar_ro_mask = XEN_PT_BAR_IO_RO_MASK | (r_size - 1);
>          break;
>      case XEN_PT_BAR_FLAG_UPPER:
> +        r = &d->io_regions[index-1];

Perhaps worth an assert(index > 0)?

Jan


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