include/linux/tcp.h:61: warning: No description found for return value of 'skb_tcp_all_headers'
include/linux/tcp.h:76: warning: No description found for return value of 'skb_inner_tcp_all_headers'
net/ipv4/tcp.c:803: warning: No description found for return value of 'tcp_splice_read'
net/ipv4/tcp_input.c:5318: warning: No description found for return value of 'tcp_try_coalesce'
include/linux/tcp.h:61: warning: No description found for return value of 'skb_tcp_all_headers'
include/linux/tcp.h:76: warning: No description found for return value of 'skb_inner_tcp_all_headers'
net/ipv4/tcp.c:803: warning: No description found for return value of 'tcp_splice_read'
net/ipv4/tcp_input.c:5336: warning: No description found for return value of 'tcp_try_coalesce'