Hi Andrew,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 1f5ffc672165ff851063a5fd044b727ab2517ae3]

url:    https://github.com/intel-lab-lkp/linux/commits/Andrew-Lunn/drivers-net-3com-3c509-Remove-this-driver/20260424-104110
base:   1f5ffc672165ff851063a5fd044b727ab2517ae3
patch link:    https://lore.kernel.org/r/20260422-v7-0-0-net-next-driver-removal-v1-v2-15-08a5b59784d5%40lunn.ch
patch subject: [PATCH net v2 15/15] drivers: net: 8390: wd80x3: Remove this driver
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
docutils: docutils (Docutils 0.21.2, Python 3.13.5, on linux)
reproduce: (https://download.01.org/0day-ci/archive/20260430/202604300512.3KcfhJGd-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot [off-list ref]
| Closes: https://lore.kernel.org/oe-kbuild-all/202604300512.3KcfhJGd-lkp@intel.com/ (local)

All warnings (new ones prefixed by >>):

   Non-Preserved Properties
   ======================== [docutils]

quoted

Documentation/networking/device_drivers/ethernet/index.rst:10: WARNING: toctree contains reference to nonexisting document 'networking/device_drivers/ethernet/3com/3c509' [toc.not_readable]

   Documentation/networking/skbuff:36: ./include/linux/skbuff.h:48: ERROR: Unexpected section title.


vim +10 Documentation/networking/device_drivers/ethernet/index.rst

132db93572821e Jakub Kicinski 2020-06-26   7  
132db93572821e Jakub Kicinski 2020-06-26   8  Contents:
132db93572821e Jakub Kicinski 2020-06-26   9  
132db93572821e Jakub Kicinski 2020-06-26 @10  .. toctree::

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