980   auto* helper = &le_fixed_channel_helper_.find(cid)->second;  in L2CA_RegisterFixedChannel()  local
981   if (helper == nullptr) {  in L2CA_RegisterFixedChannel()
988                        common::Unretained(helper)),  in L2CA_RegisterFixedChannel()
990                    common::Unretained(helper)),  in L2CA_RegisterFixedChannel()
992   helper->freg_ = *p_freg;  in L2CA_RegisterFixedChannel()
1002   auto* helper = &le_fixed_channel_helper_.find(cid)->second;  in L2CA_ConnectFixedChnl()  local
1014                        common::Unretained(helper), rem_bda),  in L2CA_ConnectFixedChnl()
1026   auto* helper = &le_fixed_channel_helper_.find(cid)->second;  in L2CA_SendFixedChnlData()  local
1030       helper->send(ToGdAddress(rem_bda),  in L2CA_SendFixedChnlData()
1041   auto* helper = &le_fixed_channel_helper_.find(cid)->second;  in L2CA_RemoveFixedChnl()  local
1042   auto channel = helper->channels_.find(ToGdAddress(rem_bda));  in L2CA_RemoveFixedChnl()
1043   if (channel == helper->channels_.end() || channel->second == nullptr) {  in L2CA_RemoveFixedChnl()
1063   auto* helper = &le_fixed_channel_helper_.find(kAttCid)->second;  in L2CA_LeConnectionUpdate()  local
1064   auto channel = helper->channels_.find(ToGdAddress(rem_bda));  in L2CA_LeConnectionUpdate()
1065   if (channel == helper->channels_.end() || channel->second == nullptr) {  in L2CA_LeConnectionUpdate()
1070   auto& parameter = helper->conn_parameters_[ToGdAddress(rem_bda)];  in L2CA_LeConnectionUpdate()
1090   auto* helper = &le_fixed_channel_helper_.find(kAttCid)->second;  in L2CA_EnableUpdateBleConnParams()  local
1091   auto channel = helper->channels_.find(ToGdAddress(rem_bda));  in L2CA_EnableUpdateBleConnParams()
1092   if (channel == helper->channels_.end() || channel->second == nullptr) {  in L2CA_EnableUpdateBleConnParams()
1097   auto& parameter = helper->conn_parameters_[ToGdAddress(rem_bda)];  in L2CA_EnableUpdateBleConnParams()
1198   auto* helper = &le_fixed_channel_helper_.find(kSmpCid)->second;  in L2CA_ReadConnectionAddr()  local
1199   auto channel = helper->channels_.find(ToGdAddress(pseudo_addr));  in L2CA_ReadConnectionAddr()
1200   if (channel == helper->channels_.end() || channel->second == nullptr) {  in L2CA_ReadConnectionAddr()