Warnings before patch:
files: ['include/net/tcp.h', 'net/ipv4/tcp_input.c', 'net/ipv4/tcp_output.c']
Warning: include/net/tcp.h:2291 No description found for return value of 'tcp_write_queue_empty'
Warning: net/ipv4/tcp_input.c:5214 No description found for return value of 'tcp_try_coalesce'
Warning: net/ipv4/tcp_output.c:3933 No description found for return value of 'tcp_make_synack'
Warning: include/net/tcp.h:2291 No description found for return value of 'tcp_write_queue_empty'
Warning: net/ipv4/tcp_input.c:5214 No description found for return value of 'tcp_try_coalesce'
Warning: net/ipv4/tcp_output.c:3933 No description found for return value of 'tcp_make_synack'

Current warnings:
files: ['include/net/tcp.h', 'net/ipv4/tcp_input.c', 'net/ipv4/tcp_output.c']
Warning: include/net/tcp.h:2301 No description found for return value of 'tcp_write_queue_empty'
Warning: net/ipv4/tcp_input.c:5214 No description found for return value of 'tcp_try_coalesce'
Warning: net/ipv4/tcp_output.c:3927 No description found for return value of 'tcp_make_synack'
Warning: include/net/tcp.h:2301 No description found for return value of 'tcp_write_queue_empty'
Warning: net/ipv4/tcp_input.c:5214 No description found for return value of 'tcp_try_coalesce'
Warning: net/ipv4/tcp_output.c:3927 No description found for return value of 'tcp_make_synack'

Warnings before: 6 after: 6