g_hash_table_remove(pd_opthash, "sigrok_key");
if (srd_decoder_load(pd_name) != SRD_OK) {
g_critical("Failed to load protocol decoder %s.", pd_name);
g_hash_table_remove(pd_opthash, "sigrok_key");
if (srd_decoder_load(pd_name) != SRD_OK) {
g_critical("Failed to load protocol decoder %s.", pd_name);