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/ipv4/tcp_input.c:4850: warning: No description found for return value of 'tcp_try_coalesce'
net/ipv4/tcp_output.c:3714: warning: No description found for return value of 'tcp_make_synack'
Error: Cannot open file net/smc/smc_bpf.c
Error: Cannot open file net/smc/smc_bpf.h
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/ipv4/tcp_input.c:4850: warning: No description found for return value of 'tcp_try_coalesce'
net/ipv4/tcp_output.c:3720: warning: No description found for return value of 'tcp_make_synack'