include/net/sock.h:580: warning: No description found for return value of 'sk_user_data_is_nocopy' include/net/sock.h:599: warning: No description found for return value of '__locked_read_sk_user_data_with_flags' include/net/sock.h:622: warning: No description found for return value of '__rcu_dereference_sk_user_data_with_flags' include/net/sock.h:1633: warning: No description found for return value of 'lock_sock_fast' net/ipv4/tcp.c:789: warning: No description found for return value of 'tcp_splice_read' include/net/sock.h:582: warning: No description found for return value of 'sk_user_data_is_nocopy' include/net/sock.h:601: warning: No description found for return value of '__locked_read_sk_user_data_with_flags' include/net/sock.h:624: warning: No description found for return value of '__rcu_dereference_sk_user_data_with_flags' include/net/sock.h:1635: warning: No description found for return value of 'lock_sock_fast' net/ipv4/tcp.c:790: warning: No description found for return value of 'tcp_splice_read'