linux-kernel - Re: [PATCH 3/4] rust: miscdevice: add uring

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <202507210306.zCOB3QtO-lkp@intel.com>
Date: Mon, 21 Jul 2025 03:38:09 +0800
From: kernel test robot <lkp@...el.com>
To: Sidong Yang <sidong.yang@...iosa.ai>, Miguel Ojeda <ojeda@...nel.org>,
	Arnd Bergmann <arnd@...db.de>, Jens Axboe <axboe@...nel.dk>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
	io-uring@...r.kernel.org, Sidong Yang <sidong.yang@...iosa.ai>
Subject: Re: [PATCH 3/4] rust: miscdevice: add uring_cmd() for MiscDevice
 trait

Hi Sidong,

kernel test robot noticed the following build warnings:

[auto build test WARNING on rust/rust-next]
[also build test WARNING on char-misc/char-misc-testing char-misc/char-misc-next char-misc/char-misc-linus soc/for-next linus/master v6.16-rc6 next-20250718]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Sidong-Yang/rust-bindings-add-io_uring-headers-in-bindings_helper-h/20250719-223630
base:   https://github.com/Rust-for-Linux/linux rust-next
patch link:    https://lore.kernel.org/r/20250719143358.22363-4-sidong.yang%40furiosa.ai
patch subject: [PATCH 3/4] rust: miscdevice: add uring_cmd() for MiscDevice trait
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20250721/202507210306.zCOB3QtO-lkp@intel.com/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/20250721/202507210306.zCOB3QtO-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507210306.zCOB3QtO-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> warning: unused variable: `issue_flags`
   --> rust/kernel/miscdevice.rs:184:9
   |
   184 |         issue_flags: u32,
   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_issue_flags`
   |
   = note: `#[warn(unused_variables)]` on by default

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