Warnings before patch:
files: ['include/linux/tcp.h', 'include/net/tcp.h', 'net/core/sock.c', 'net/ipv4/tcp_output.c']
Warning: include/linux/tcp.h:59 No description found for return value of 'skb_tcp_all_headers'
Warning: include/linux/tcp.h:74 No description found for return value of 'skb_inner_tcp_all_headers'
Warning: include/net/tcp.h:2243 No description found for return value of 'tcp_write_queue_empty'
Warning: net/core/sock.c:172 No description found for return value of 'sk_ns_capable'
Warning: net/core/sock.c:188 No description found for return value of 'sk_capable'
Warning: net/core/sock.c:203 No description found for return value of 'sk_net_capable'
Warning: net/core/sock.c:2297 No description found for return value of 'sk_alloc'
Warning: net/core/sock.c:2474 No description found for return value of 'sk_clone'
Warning: net/core/sock.c:3130 No description found for return value of 'skb_page_frag_refill'
Warning: net/core/sock.c:3257 No description found for return value of 'sk_wait_data'
Warning: net/core/sock.c:3286 No description found for return value of '__sk_mem_raise_allocated'
Warning: net/core/sock.c:3404 No description found for return value of '__sk_mem_schedule'
Warning: net/ipv4/tcp_output.c:3938 No description found for return value of 'tcp_make_synack'
Warning: include/linux/tcp.h:59 No description found for return value of 'skb_tcp_all_headers'
Warning: include/linux/tcp.h:74 No description found for return value of 'skb_inner_tcp_all_headers'
Warning: include/net/tcp.h:2243 No description found for return value of 'tcp_write_queue_empty'
Warning: net/core/sock.c:172 No description found for return value of 'sk_ns_capable'
Warning: net/core/sock.c:188 No description found for return value of 'sk_capable'
Warning: net/core/sock.c:203 No description found for return value of 'sk_net_capable'
Warning: net/core/sock.c:2297 No description found for return value of 'sk_alloc'
Warning: net/core/sock.c:2474 No description found for return value of 'sk_clone'
Warning: net/core/sock.c:3130 No description found for return value of 'skb_page_frag_refill'
Warning: net/core/sock.c:3257 No description found for return value of 'sk_wait_data'
Warning: net/core/sock.c:3286 No description found for return value of '__sk_mem_raise_allocated'
Warning: net/core/sock.c:3404 No description found for return value of '__sk_mem_schedule'
Warning: net/ipv4/tcp_output.c:3938 No description found for return value of 'tcp_make_synack'

Current warnings:
files: ['include/linux/tcp.h', 'include/net/tcp.h', 'net/core/sock.c', 'net/ipv4/tcp_output.c']
Warning: include/linux/tcp.h:59 No description found for return value of 'skb_tcp_all_headers'
Warning: include/linux/tcp.h:74 No description found for return value of 'skb_inner_tcp_all_headers'
Warning: include/net/tcp.h:2257 No description found for return value of 'tcp_write_queue_empty'
Warning: net/core/sock.c:172 No description found for return value of 'sk_ns_capable'
Warning: net/core/sock.c:188 No description found for return value of 'sk_capable'
Warning: net/core/sock.c:203 No description found for return value of 'sk_net_capable'
Warning: net/core/sock.c:2297 No description found for return value of 'sk_alloc'
Warning: net/core/sock.c:2474 No description found for return value of 'sk_clone'
Warning: net/core/sock.c:3130 No description found for return value of 'skb_page_frag_refill'
Warning: net/core/sock.c:3257 No description found for return value of 'sk_wait_data'
Warning: net/core/sock.c:3286 No description found for return value of '__sk_mem_raise_allocated'
Warning: net/core/sock.c:3404 No description found for return value of '__sk_mem_schedule'
Warning: net/ipv4/tcp_output.c:3933 No description found for return value of 'tcp_make_synack'
Warning: include/linux/tcp.h:59 No description found for return value of 'skb_tcp_all_headers'
Warning: include/linux/tcp.h:74 No description found for return value of 'skb_inner_tcp_all_headers'
Warning: include/net/tcp.h:2257 No description found for return value of 'tcp_write_queue_empty'
Warning: net/core/sock.c:172 No description found for return value of 'sk_ns_capable'
Warning: net/core/sock.c:188 No description found for return value of 'sk_capable'
Warning: net/core/sock.c:203 No description found for return value of 'sk_net_capable'
Warning: net/core/sock.c:2297 No description found for return value of 'sk_alloc'
Warning: net/core/sock.c:2474 No description found for return value of 'sk_clone'
Warning: net/core/sock.c:3130 No description found for return value of 'skb_page_frag_refill'
Warning: net/core/sock.c:3257 No description found for return value of 'sk_wait_data'
Warning: net/core/sock.c:3286 No description found for return value of '__sk_mem_raise_allocated'
Warning: net/core/sock.c:3404 No description found for return value of '__sk_mem_schedule'
Warning: net/ipv4/tcp_output.c:3933 No description found for return value of 'tcp_make_synack'

Warnings before: 26 after: 26