nvs_operation
err = nvs_operation(nvs, embedded, NULL);
if ((err = nvs_operation(nvs, embedded, NULL)) != 0)
if (nvs_operation(nvs, nvlp[i], &nvp_sz) != 0)
if (nvs_operation(nvs, EMBEDDED_NVL(nvp), &nvsize) != 0)
err = nvs_operation(nvs, nvl, buflen);
err = nvs_operation(nvs, EMBEDDED_NVL(nvp), &nvsize);
err = nvs_operation(nvs, nvl, buflen);