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

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220228175004.8862-11-danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

hw/ppc/spapr_drc.c

@@ -798,11 +798,9 @@ static const TypeInfo spapr_drc_pmem_info = {
 SpaprDrc *spapr_drc_by_index(uint32_t index)
 {
     Object *obj;
-    gchar *name;
-
-    name = g_strdup_printf("%s/%x", DRC_CONTAINER_PATH, index);
+    g_autofree gchar *name = g_strdup_printf("%s/%x", DRC_CONTAINER_PATH,
+                                             index);
     obj = object_resolve_path(name, NULL);
-    g_free(name);
 
     return !obj ? NULL : SPAPR_DR_CONNECTOR(obj);
 }