Re: [Qemu-devel] [PATCH v1 06/11] pc-dimm: don't allow to access "size" before the device was realized

[David Gibson]

On Mon, Jun 11, 2018 at 02:16:50PM +0200, David Hildenbrand wrote:
> "size" should not be queried before the device was realized. Let' make
> that explicit.
> 
> Signed-off-by: David Hildenbrand <address@hidden>

Reviewed-by: David Gibson <address@hidden>

> ---
>  hw/mem/pc-dimm.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
> index 86fbcf2d0c..5294734529 100644
> --- a/hw/mem/pc-dimm.c
> +++ b/hw/mem/pc-dimm.c
> @@ -166,6 +166,12 @@ static void pc_dimm_get_size(Object *obj, Visitor *v, 
> const char *name,
>      PCDIMMDevice *dimm = PC_DIMM(obj);
>      PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(obj);
>  
> +    if (!DEVICE(obj)->realized) {
> +        error_setg(errp, "Property \"%s\" not accessible before realized",
> +                   name);
> +        return;
> +    }
> +
>      mr = ddc->get_memory_region(dimm, errp);
>      if (!mr) {
>          return;

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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