IBCM_INVALID_CHANNEL
if (IBCM_INVALID_CHANNEL(rc_chan)) {
if (IBCM_INVALID_CHANNEL(rc_chan)) {
if (IBCM_INVALID_CHANNEL(channel)) {
if (IBCM_INVALID_CHANNEL(channel)) {
if (IBCM_INVALID_CHANNEL(channel)) {
if (IBCM_INVALID_CHANNEL(channel)) {
if (IBCM_INVALID_CHANNEL(rc_chan)) {
if (IBCM_INVALID_CHANNEL(channel)) {
if (IBCM_INVALID_CHANNEL(channel)) {