include/net/tcp.h:1823: warning: No description found for return value of 'tcp_sigpool_start' include/net/tcp.h:2041: warning: No description found for return value of 'tcp_write_queue_empty' net/ipv4/tcp_output.c:3709: warning: No description found for return value of 'tcp_make_synack' include/net/tcp.h:1830: warning: No description found for return value of 'tcp_sigpool_start' include/net/tcp.h:2048: warning: No description found for return value of 'tcp_write_queue_empty' net/ipv4/tcp_output.c:3709: warning: No description found for return value of 'tcp_make_synack'