Warnings before patch:
files: ['net/ipv4/tcp_input.c', 'tools/testing/selftests/net/packetdrill/tcp_ts_recent_invalid_ack.pkt']
Warning: net/ipv4/tcp_input.c:5210 No description found for return value of 'tcp_try_coalesce'
Warning: net/ipv4/tcp_input.c:5210 No description found for return value of 'tcp_try_coalesce'

Current warnings:
files: ['net/ipv4/tcp_input.c', 'tools/testing/selftests/net/packetdrill/tcp_ts_recent_invalid_ack.pkt']
Warning: net/ipv4/tcp_input.c:5214 No description found for return value of 'tcp_try_coalesce'
Warning: net/ipv4/tcp_input.c:5214 No description found for return value of 'tcp_try_coalesce'

Warnings before: 2 after: 2