Re: [Qemu-devel] [PATCH 5/5] xen-pvdevice: convert to realize()

[Paolo Bonzini <pbonzini@redhat.com>]

CCing Stefano, who is the maintainer.

Paolo

On 18/12/2015 12:03, Cao jin wrote:
> Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
> ---
>  hw/i386/xen/xen_pvdevice.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/hw/i386/xen/xen_pvdevice.c b/hw/i386/xen/xen_pvdevice.c
> index c218947..a6c93d0 100644
> --- a/hw/i386/xen/xen_pvdevice.c
> +++ b/hw/i386/xen/xen_pvdevice.c
> @@ -69,14 +69,16 @@ static const MemoryRegionOps xen_pv_mmio_ops = {
>      .endianness = DEVICE_LITTLE_ENDIAN,
>  };
>  
> -static int xen_pv_init(PCIDevice *pci_dev)
> +static void xen_pv_realize(PCIDevice *pci_dev, Error **errp)
>  {
>      XenPVDevice *d = XEN_PV_DEVICE(pci_dev);
>      uint8_t *pci_conf;
>  
>      /* device-id property must always be supplied */
> -    if (d->device_id == 0xffff)
> -	    return -1;
> +    if (d->device_id == 0xffff) {
> +        error_setg(errp, "Device ID invalid, it must always be supplied")
> +	return;
> +    }
>  
>      pci_conf = pci_dev->config;
>  
> @@ -97,8 +99,6 @@ static int xen_pv_init(PCIDevice *pci_dev)
>  
>      pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_MEM_PREFETCH,
>                       &d->mmio);
> -
> -    return 0;
>  }
>  
>  static Property xen_pv_props[] = {
> @@ -114,7 +114,7 @@ static void xen_pv_class_init(ObjectClass *klass, void *data)
>      DeviceClass *dc = DEVICE_CLASS(klass);
>      PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
>  
> -    k->init = xen_pv_init;
> +    k->realize = xen_pv_realize;
>      k->class_id = PCI_CLASS_SYSTEM_OTHER;
>      dc->desc = "Xen PV Device";
>      dc->props = xen_pv_props;
>