/* If a channel group is specified, it must be a valid one. */
if (cg && !g_slist_find(sdi->channel_groups, cg)) {
sr_err("Invalid channel group specified.");
/* If a channel group is specified, it must be a valid one. */
if (cg && !g_slist_find(sdi->channel_groups, cg)) {
sr_err("Invalid channel group specified.");