Re: [PATCH v8 3/5] rust: add bitmap API.

From: kernel test robot
Date: Tue May 20 2025 - 02:00:14 EST


Hi Burak,

kernel test robot noticed the following build errors:

[auto build test ERROR on rust/rust-next]
[also build test ERROR on akpm-mm/mm-nonmm-unstable kees/for-next/hardening kees/for-next/pstore kees/for-next/kspp linus/master v6.15-rc7]
[cannot apply to next-20250516]
[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/Burak-Emir/rust-add-bindings-for-bitmap-h/20250520-002216
base: https://github.com/Rust-for-Linux/linux rust-next
patch link: https://lore.kernel.org/r/20250519161712.2609395-4-bqe%40google.com
patch subject: [PATCH v8 3/5] rust: add bitmap API.
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20250520/202505201339.bUfYKFye-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
rustc: rustc 1.78.0 (9b00956e5 2024-04-29)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250520/202505201339.bUfYKFye-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/202505201339.bUfYKFye-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> error[E0061]: this method takes 0 arguments but 1 argument was supplied
--> rust/kernel/bitmap.rs:396:28
|
396 | assert_eq!(None, b.last_bit(2048));
| ^^^^^^^^ ----
| |
| unexpected argument of type `{integer}`
| help: remove the extra argument
|
note: method defined here
--> rust/kernel/bitmap.rs:301:12
|
301 | pub fn last_bit(&self) -> Option<usize> {
| ^^^^^^^^

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