Warnings before patch:
files: ['include/net/tcp.h', 'net/ipv4/tcp.c', 'net/ipv4/tcp_input.c', 'net/ipv4/tcp_metrics.c']
Warning: include/net/tcp.h:2291 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: net/ipv4/tcp_input.c:5208 No description found for return value of 'tcp_try_coalesce'
Warning: include/net/tcp.h:2291 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: net/ipv4/tcp_input.c:5208 No description found for return value of 'tcp_try_coalesce'

Current warnings:
files: ['include/net/tcp.h', 'net/ipv4/tcp.c', 'net/ipv4/tcp_input.c', 'net/ipv4/tcp_metrics.c']
Warning: include/net/tcp.h:2291 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: net/ipv4/tcp_input.c:5210 No description found for return value of 'tcp_try_coalesce'
Warning: include/net/tcp.h:2291 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: net/ipv4/tcp_input.c:5210 No description found for return value of 'tcp_try_coalesce'

Warnings before: 6 after: 6