[android-common:android13-5.15-2025-12 1/1] fs/eventpoll.c:2001: warning: Function parameter or member 'ep' not described in 'ep_get_upwards_depth_proc'

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

tree:   https://android.googlesource.com/kernel/common android13-5.15-2025-12
head:   66f18dc2099dba416cd26ec9bb386ce3a2748bad
commit: 71379495ab70eaba19224bd71b5b9b399eb85e04 [1/1] eventpoll: Fix semi-unbounded recursion
config: i386-allnoconfig (https://download.01.org/0day-ci/archive/20251231/202512310940.6DrnttMs-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/20251231/202512310940.6DrnttMs-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/202512310940.6DrnttMs-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> fs/eventpoll.c:2001: warning: Function parameter or member 'ep' not described in 'ep_get_upwards_depth_proc'
>> fs/eventpoll.c:2001: warning: Function parameter or member 'depth' not described in 'ep_get_upwards_depth_proc'


vim +2001 fs/eventpoll.c

  1996	
  1997	/**
  1998	 * ep_get_upwards_depth_proc - determine depth of @ep when traversed upwards
  1999	 */
  2000	static int ep_get_upwards_depth_proc(struct eventpoll *ep, int depth)
> 2001	{
  2002		int result = 0;
  2003		struct epitem *epi;
  2004	
  2005		if (ep->gen == loop_check_gen)
  2006			return ep->loop_check_depth;
  2007		hlist_for_each_entry_rcu(epi, &ep->refs, fllink)
  2008			result = max(result, ep_get_upwards_depth_proc(epi->ep, depth + 1) + 1);
  2009		ep->gen = loop_check_gen;
  2010		ep->loop_check_depth = result;
  2011		return result;
  2012	}
  2013	

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