Warnings before patch:
files: ['include/net/tcp.h', 'net/ipv4/tcp.c', 'net/mptcp/protocol.c']
Warning: include/net/tcp.h:2287 No description found for return value of 'tcp_write_queue_empty'
Warning: net/ipv4/tcp.c:817 No description found for return value of 'tcp_splice_read'
Warning: include/net/tcp.h:2287 No description found for return value of 'tcp_write_queue_empty'
Warning: net/ipv4/tcp.c:817 No description found for return value of 'tcp_splice_read'

Current warnings:
files: ['include/net/tcp.h', 'net/ipv4/tcp.c', 'net/mptcp/protocol.c']
Warning: include/net/tcp.h:2287 No description found for return value of 'tcp_write_queue_empty'
Warning: net/ipv4/tcp.c:817 No description found for return value of 'tcp_splice_read'
Warning: include/net/tcp.h:2287 No description found for return value of 'tcp_write_queue_empty'
Warning: net/ipv4/tcp.c:817 No description found for return value of 'tcp_splice_read'

Warnings before: 4 after: 4