Warnings before patch:
files: ['include/net/tcp_ecn.h', 'net/ipv4/tcp_output.c']
Warning: net/ipv4/tcp_output.c:3902 No description found for return value of 'tcp_make_synack'

Current warnings:
files: ['include/net/tcp_ecn.h', 'net/ipv4/tcp_output.c']
Warning: net/ipv4/tcp_output.c:3902 No description found for return value of 'tcp_make_synack'

Warnings before: 1 after: 1