hw/ppc/spapr_drc.c: use g_autofree in spapr_dr_connector_new()

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220228175004.8862-10-danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

hw/ppc/spapr_drc.c

@@ -557,7 +557,7 @@ SpaprDrc *spapr_dr_connector_new(Object *owner, const char *type,
                                          uint32_t id)
 {
     SpaprDrc *drc = SPAPR_DR_CONNECTOR(object_new(type));
-    char *prop_name;
+    g_autofree char *prop_name = NULL;
 
     drc->id = id;
     drc->owner = owner;
@@ -566,7 +566,6 @@ SpaprDrc *spapr_dr_connector_new(Object *owner, const char *type,
     object_property_add_child(owner, prop_name, OBJECT(drc));
     object_unref(OBJECT(drc));
     qdev_realize(DEVICE(drc), NULL, NULL);
-    g_free(prop_name);
 
     return drc;
 }