include/net/tcp.h:1822: warning: No description found for return value of 'tcp_sigpool_start' include/net/tcp.h:2040: warning: No description found for return value of 'tcp_write_queue_empty' net/ipv4/tcp.c:814: warning: No description found for return value of 'tcp_splice_read' include/net/tcp.h:1822: warning: No description found for return value of 'tcp_sigpool_start' include/net/tcp.h:2040: warning: No description found for return value of 'tcp_write_queue_empty' net/ipv4/tcp.c:814: warning: No description found for return value of 'tcp_splice_read'