Warnings before patch:
files: ['net/ipv4/tcp_input.c', 'net/mptcp/protocol.c']
<parse fail>: Warning: net/ipv4/tcp_input.c:4978 No description found for return value of 'tcp_try_coalesce'
Warning: net/ipv4/tcp_input.c:4978 No description found for return value of 'tcp_try_coalesce'

Current warnings:
files: ['net/ipv4/tcp_input.c', 'net/mptcp/protocol.c']
<parse fail>: Warning: net/ipv4/tcp_input.c:4984 No description found for return value of 'tcp_try_coalesce'
Warning: net/ipv4/tcp_input.c:4984 No description found for return value of 'tcp_try_coalesce'

Warnings before: 1 after: 1