dccp_ackvec_is_empty 137 net/dccp/ackvec.c if (unlikely(dccp_ackvec_is_empty(av))) dccp_ackvec_is_empty 251 net/dccp/ackvec.c if (dccp_ackvec_is_empty(av)) { dccp_ackvec_is_empty 461 net/dccp/dccp.h !dccp_ackvec_is_empty(dccp_sk(sk)->dccps_hc_rx_ackvec);