include/linux/tcp.h:60: warning: No description found for return value of 'skb_tcp_all_headers' include/linux/tcp.h:75: warning: No description found for return value of 'skb_inner_tcp_all_headers' 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/core/filter.c:135: warning: No description found for return value of 'sk_filter_trim_cap' net/core/filter.c:572: warning: No description found for return value of 'bpf_convert_filter' net/core/filter.c:1067: warning: No description found for return value of 'bpf_check_classic' net/core/filter.c:1372: warning: No description found for return value of 'bpf_prog_create' net/core/filter.c:1418: warning: No description found for return value of 'bpf_prog_create_from_user' net/core/filter.c:1539: warning: No description found for return value of 'sk_attach_filter' net/ipv4/tcp.c:814: warning: No description found for return value of 'tcp_splice_read' include/linux/tcp.h:60: warning: No description found for return value of 'skb_tcp_all_headers' include/linux/tcp.h:75: warning: No description found for return value of 'skb_inner_tcp_all_headers' 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/core/filter.c:135: warning: No description found for return value of 'sk_filter_trim_cap' net/core/filter.c:572: warning: No description found for return value of 'bpf_convert_filter' net/core/filter.c:1067: warning: No description found for return value of 'bpf_check_classic' net/core/filter.c:1372: warning: No description found for return value of 'bpf_prog_create' net/core/filter.c:1418: warning: No description found for return value of 'bpf_prog_create_from_user' net/core/filter.c:1539: warning: No description found for return value of 'sk_attach_filter' net/ipv4/tcp.c:814: warning: No description found for return value of 'tcp_splice_read'