hw/scsi/vmw_pvscsi: Convert to realize

Convert a device model where initialization obviously
can't fail, make it implement realize() rather than init().

Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Message-Id: <20170726084153.10121-2-maozy.fnst@cn.fujitsu.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

hw/scsi/vmw_pvscsi.c

@@ -1103,8 +1103,8 @@ static const struct SCSIBusInfo pvscsi_scsi_info = {
         .cancel = pvscsi_request_cancelled,
 };
 
-static int
-pvscsi_init(PCIDevice *pci_dev)
+static void
+pvscsi_realizefn(PCIDevice *pci_dev, Error **errp)
 {
     PVSCSIState *s = PVSCSI(pci_dev);
 
@@ -1144,8 +1144,6 @@ pvscsi_init(PCIDevice *pci_dev)
     /* override default SCSI bus hotplug-handler, with pvscsi's one */
     qbus_set_hotplug_handler(BUS(&s->bus), DEVICE(s), &error_abort);
     pvscsi_reset_state(s);
-
-    return 0;
 }
 
 static void
@@ -1278,7 +1276,7 @@ static void pvscsi_class_init(ObjectClass *klass, void *data)
     PVSCSIClass *pvs_k = PVSCSI_DEVICE_CLASS(klass);
     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
 
-    k->init = pvscsi_init;
+    k->realize = pvscsi_realizefn;
     k->exit = pvscsi_uninit;
     k->vendor_id = PCI_VENDOR_ID_VMWARE;
     k->device_id = PCI_DEVICE_ID_VMWARE_PVSCSI;