+static void update_string_config(struct powerpc_nvram_storage *nv,
+ const char *name, const char *value)
+{
+ const char *cur;
+
+ cur = get_param(nv, name);
+
+ /* don't set an empty parameter if it doesn't already exist */
+ if (!cur && !strlen(value))
+ return;
+
+ set_param(nv, name, value);
+}
+