include/net/tcp.h:2041: warning: No description found for return value of 'tcp_write_queue_empty' net/ipv4/tcp_output.c:3711: warning: No description found for return value of 'tcp_make_synack' include/net/tcp.h:2048: warning: No description found for return value of 'tcp_write_queue_empty' net/ipv4/tcp_output.c:3711: warning: No description found for return value of 'tcp_make_synack'