[android-common:android14-6.1 14/14] fs/eventpoll.c:2008: warning: Function parameter or member 'depth' not described in 'ep_get_upwards_depth_proc'

[kernel test robot <lkp@intel.com>]

Hi Jann,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android14-6.1
head:   42af5216d44771f3071e771ac4dca6c186e017ed
commit: 1b13b033062824495554e836a1ff5f85ccf6b039 [14/14] eventpoll: Fix semi-unbounded recursion
config: x86_64-randconfig-104-20260825 (https://download.01.org/0day-ci/archive/20260825/202608251402.evHenq68-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260825/202608251402.evHenq68-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608251402.evHenq68-lkp@intel.com/

All warnings (new ones prefixed by >>):

   fs/eventpoll.c:2008: warning: Function parameter or member 'ep' not described in 'ep_get_upwards_depth_proc'
>> fs/eventpoll.c:2008: warning: Function parameter or member 'depth' not described in 'ep_get_upwards_depth_proc'


vim +2008 fs/eventpoll.c

  2003	
  2004	/**
  2005	 * ep_get_upwards_depth_proc - determine depth of @ep when traversed upwards
  2006	 */
  2007	static int ep_get_upwards_depth_proc(struct eventpoll *ep, int depth)
> 2008	{
  2009		int result = 0;
  2010		struct epitem *epi;
  2011	
  2012		if (ep->gen == loop_check_gen)
  2013			return ep->loop_check_depth;
  2014		hlist_for_each_entry_rcu(epi, &ep->refs, fllink)
  2015			result = max(result, ep_get_upwards_depth_proc(epi->ep, depth + 1) + 1);
  2016		ep->gen = loop_check_gen;
  2017		ep->loop_check_depth = result;
  2018		return result;
  2019	}
  2020	

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki