Warnings before patch:
files: ['include/linux/ethtool.h', 'net/ethtool/loopback.c']
Warning: include/linux/ethtool.h:170 No description found for return value of 'ethtool_rxfh_indir_default'
Warning: include/linux/ethtool.h:1436 No description found for return value of 'ethtool_mm_frag_size_add_to_min'
Warning: include/linux/ethtool.h:1455 No description found for return value of 'ethtool_mm_frag_size_min_to_add'
Warning: include/linux/ethtool.h:170 No description found for return value of 'ethtool_rxfh_indir_default'
Warning: include/linux/ethtool.h:1436 No description found for return value of 'ethtool_mm_frag_size_add_to_min'
Warning: include/linux/ethtool.h:1455 No description found for return value of 'ethtool_mm_frag_size_min_to_add'

Current warnings:
files: ['include/linux/ethtool.h', 'net/ethtool/loopback.c']
Warning: include/linux/ethtool.h:170 No description found for return value of 'ethtool_rxfh_indir_default'
Warning: include/linux/ethtool.h:1330 struct member 'get_loopback' not described in 'ethtool_ops'
Warning: include/linux/ethtool.h:1330 struct member 'get_loopback_by_index' not described in 'ethtool_ops'
Warning: include/linux/ethtool.h:1330 struct member 'set_loopback' not described in 'ethtool_ops'
Warning: include/linux/ethtool.h:1443 No description found for return value of 'ethtool_mm_frag_size_add_to_min'
Warning: include/linux/ethtool.h:1462 No description found for return value of 'ethtool_mm_frag_size_min_to_add'
Warning: include/linux/ethtool.h:170 No description found for return value of 'ethtool_rxfh_indir_default'
Warning: include/linux/ethtool.h:1330 struct member 'get_loopback' not described in 'ethtool_ops'
Warning: include/linux/ethtool.h:1330 struct member 'get_loopback_by_index' not described in 'ethtool_ops'
Warning: include/linux/ethtool.h:1330 struct member 'set_loopback' not described in 'ethtool_ops'
Warning: include/linux/ethtool.h:1443 No description found for return value of 'ethtool_mm_frag_size_add_to_min'
Warning: include/linux/ethtool.h:1462 No description found for return value of 'ethtool_mm_frag_size_min_to_add'

Warnings before: 6 after: 12 (add: 6)

New warnings added:
Warning: include/linux/ethtool.h:1330 struct member 'get_loopback' not described in 'ethtool_ops'
Warning: include/linux/ethtool.h:1330 struct member 'get_loopback_by_index' not described in 'ethtool_ops'
Warning: include/linux/ethtool.h:1330 struct member 'set_loopback' not described in 'ethtool_ops'
Warning: include/linux/ethtool.h:1330 struct member 'get_loopback' not described in 'ethtool_ops'
Warning: include/linux/ethtool.h:1330 struct member 'get_loopback_by_index' not described in 'ethtool_ops'
Warning: include/linux/ethtool.h:1330 struct member 'set_loopback' not described in 'ethtool_ops'
Per-file breakdown:
     6 include/linux/ethtool.h