Re: [Xen-devel] [PATCH] x86/HVM: add missing assert to stdvga's mmio_move()

[Keir Fraser <keir@xxxxxxx>]

On 06/12/2012 12:56, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:

> ... to match the IOREQ_READ path.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Acked-by: Keir Fraser <keir@xxxxxxx>

> --- a/xen/arch/x86/hvm/stdvga.c
> +++ b/xen/arch/x86/hvm/stdvga.c
> @@ -519,6 +519,7 @@ static int mmio_move(struct hvm_hw_stdvg
>                              put_page(dp);
>                          return 0;
>                      }
> +                    ASSERT(!dp);
>                      tmp = stdvga_mem_read(data, p->size);
>                  }
>                  stdvga_mem_write(addr, tmp, p->size);
> 
> 
> 
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