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/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'