Warnings before patch:
files: ['include/net/tcp.h', 'net/ipv4/tcp_output.c', 'net/ipv4/tcp_rate.c']
Warning: include/net/tcp.h:2165 No description found for return value of 'tcp_write_queue_empty'
Warning: net/ipv4/tcp_output.c:3899 No description found for return value of 'tcp_make_synack'
Warning: include/net/tcp.h:2165 No description found for return value of 'tcp_write_queue_empty'
Warning: net/ipv4/tcp_output.c:3899 No description found for return value of 'tcp_make_synack'

Current warnings:
files: ['include/net/tcp.h', 'net/ipv4/tcp_output.c', 'net/ipv4/tcp_rate.c']
Warning: include/net/tcp.h:2164 No description found for return value of 'tcp_write_queue_empty'
Warning: net/ipv4/tcp_output.c:3934 No description found for return value of 'tcp_make_synack'
Warning: include/net/tcp.h:2164 No description found for return value of 'tcp_write_queue_empty'
Warning: net/ipv4/tcp_output.c:3934 No description found for return value of 'tcp_make_synack'

Warnings before: 4 after: 4