Warning: drivers/android/binder/rust_binderfs.c:229 function parameter 'arg' not described in 'binder_ctl_ioctl'

[kernel test robot]

Hi Alice,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f242ac4a09443c6e2e0ec03d7e2a21b00cbb3907
commit: eafedbc7c050c44744fbdf80bdf3315e860b7513 rust_binder: add Rust Binder driver
date:   6 months ago
config: x86_64-randconfig-003-20260329 (https://download.01.org/0day-ci/archive/20260330/202603300355.MIT20sJc-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260330/202603300355.MIT20sJc-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603300355.MIT20sJc-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   Warning: drivers/android/binder/rust_binderfs.c:229 function parameter 'file' not described in 'binder_ctl_ioctl'
   Warning: drivers/android/binder/rust_binderfs.c:229 function parameter 'cmd' not described in 'binder_ctl_ioctl'
>> Warning: drivers/android/binder/rust_binderfs.c:229 function parameter 'arg' not described in 'binder_ctl_ioctl'

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