pc: Abort if HotplugHandlerClass::plug() fails

HotplugHandlerClass::plug() shouldn't fail and hence use error_abort
to abort if it fails.
Signed-off-by: NBharata B Rao <bharata@linux.vnet.ibm.com>
Reviewed-by: NDavid Gibson <david@gibson.dropbear.id.au>
Reviewed-by: NIgor Mammedov <imammedo@redhat.com>
Tested-by: NIgor Mammedov <imammedo@redhat.com>
Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>

hw/i386/pc.c

@@ -1577,7 +1577,7 @@ static void pc_dimm_plug(HotplugHandler *hotplug_dev,
     }
 
     hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev);
-    hhc->plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err);
+    hhc->plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &error_abort);
 out:
     error_propagate(errp, local_err);
 }