Warnings before patch:
files: ['include/net/tcp.h', 'include/net/inet_ecn.h', 'net/ipv4/tcp_input.c', 'net/ipv4/tcp_cong.c', 'net/ipv4/tcp_output.c', 'include/net/tcp_ecn.h']
<parse fail>: Warning: include/net/tcp.h:2148 No description found for return value of 'tcp_write_queue_empty'
<parse fail>: Warning: net/ipv4/tcp_input.c:5001 No description found for return value of 'tcp_try_coalesce'
<parse fail>: Warning: net/ipv4/tcp_output.c:3896 No description found for return value of 'tcp_make_synack'
Warning: include/net/tcp.h:2148 No description found for return value of 'tcp_write_queue_empty'
Warning: net/ipv4/tcp_input.c:5001 No description found for return value of 'tcp_try_coalesce'
Warning: net/ipv4/tcp_output.c:3896 No description found for return value of 'tcp_make_synack'

Current warnings:
files: ['include/net/tcp.h', 'include/net/inet_ecn.h', 'net/ipv4/tcp_input.c', 'net/ipv4/tcp_cong.c', 'net/ipv4/tcp_output.c', 'include/net/tcp_ecn.h']
<parse fail>: Warning: include/net/tcp.h:2168 No description found for return value of 'tcp_write_queue_empty'
<parse fail>: Warning: net/ipv4/tcp_input.c:5001 No description found for return value of 'tcp_try_coalesce'
<parse fail>: Warning: net/ipv4/tcp_output.c:3902 No description found for return value of 'tcp_make_synack'
Warning: include/net/tcp.h:2168 No description found for return value of 'tcp_write_queue_empty'
Warning: net/ipv4/tcp_input.c:5001 No description found for return value of 'tcp_try_coalesce'
Warning: net/ipv4/tcp_output.c:3902 No description found for return value of 'tcp_make_synack'

Warnings before: 3 after: 3