hw/qdev: Check qbus_is_hotpluggable in hotplug_unplug_allowed_common

Check the same code once in the common helper.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
[PMD: Split from bigger patch, part 5/6]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20250110091908.64454-6-philmd@linaro.org>

hw/core/qdev-hotplug.c

@@ -42,6 +42,14 @@ static bool qdev_hotplug_unplug_allowed_common(DeviceState *dev, BusState *bus,
         return false;
     }
 
+    if (bus) {
+        if (!qbus_is_hotpluggable(bus)) {
+            error_setg(errp, "Bus '%s' does not support hotplugging",
+                       bus->name);
+            return false;
+        }
+    }
+
     return true;
 }
 

system/qdev-monitor.c

@@ -675,11 +675,6 @@ DeviceState *qdev_device_add_from_qdict(const QDict *opts,
         return NULL;
     }
 
-    if (phase_check(PHASE_MACHINE_READY) && bus && !qbus_is_hotpluggable(bus)) {
-        error_setg(errp, "Bus '%s' does not support hotplugging", bus->name);
-        return NULL;
-    }
-
     if (migration_is_running()) {
         error_setg(errp, "device_add not allowed while migrating");
         return NULL;
@@ -911,12 +906,6 @@ void qdev_unplug(DeviceState *dev, Error **errp)
         return;
     }
 
-    if (dev->parent_bus && !qbus_is_hotpluggable(dev->parent_bus)) {
-        error_setg(errp, "Bus '%s' does not support hotplugging",
-                   dev->parent_bus->name);
-        return;
-    }
-
     if (migration_is_running() && !dev->allow_unplug_during_migration) {
         error_setg(errp, "device_del not allowed while migrating");
         return;