Re: [PATCH v7 1/2] rust: core abstractions for HID drivers

[kernel test robot]

Hi Rahul,

kernel test robot noticed the following build errors:

[auto build test ERROR on b3d161f22ba9b2dc16bb82aa2b8515d98c99624f]

url:    https://github.com/intel-lab-lkp/linux/commits/Rahul-Rameshbabu/rust-core-abstractions-for-HID-drivers/20260315-071004
base:   b3d161f22ba9b2dc16bb82aa2b8515d98c99624f
patch link:    https://lore.kernel.org/r/20260314215527.57575-2-sergeantsagara%40protonmail.com
patch subject: [PATCH v7 1/2] rust: core abstractions for HID drivers
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260315/202603150411.1TqpNCVC-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/20260315/202603150411.1TqpNCVC-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/202603150411.1TqpNCVC-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   PATH=/opt/cross/clang-20/bin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
   INFO PATH=/opt/cross/rustc-1.88.0-bindgen-0.72.1/cargo/bin:/opt/cross/clang-20/bin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
   /usr/bin/timeout -k 100 12h /usr/bin/make KCFLAGS=\ -fno-crash-diagnostics\ -Wno-error=return-type\ -Wreturn-type\ -funsigned-char\ -Wundef\ -falign-functions=64 W=1 --keep-going LLVM=1 -j32 -C source O=/kbuild/obj/consumer/x86_64-rhel-9.4-rust ARCH=x86_64 SHELL=/bin/bash rustfmtcheck 
   make: Entering directory '/kbuild/src/consumer'
   make[1]: Entering directory '/kbuild/obj/consumer/x86_64-rhel-9.4-rust'
>> Diff in rust/kernel/hid.rs:6:
    //!
    //! C header: [`include/linux/hid.h`](srctree/include/linux/hid.h)
    
   -use core::{
   -    marker::PhantomData,
   -    ptr::{
   -        addr_of_mut,
   -        NonNull, //
   -    } //
   -};
    use crate::{
        device,
        device_id::{
   Diff in rust/kernel/hid.rs:24:
        impl_flags,
        prelude::*,
        types::Opaque, //
   +};
   +use core::{
   +    marker::PhantomData,
   +    ptr::{
   +        addr_of_mut,
   +        NonNull, //
   +    }, //
    };
    use kernel::fmt;
    
>> Diff in rust/kernel/hid.rs:6:
    //!
    //! C header: [`include/linux/hid.h`](srctree/include/linux/hid.h)
    
   -use core::{
   -    marker::PhantomData,
   -    ptr::{
   -        addr_of_mut,
   -        NonNull, //
   -    } //
   -};
    use crate::{
        device,
        device_id::{
   Diff in rust/kernel/hid.rs:24:
        impl_flags,
        prelude::*,
        types::Opaque, //
   +};
   +use core::{
   +    marker::PhantomData,
   +    ptr::{
   +        addr_of_mut,
   +        NonNull, //
   +    }, //
    };
    use kernel::fmt;
    
>> Diff in rust/kernel/lib.rs:97:
    pub mod firmware;
    pub mod fmt;
    pub mod fs;
   +#[cfg(CONFIG_RUST_HID_ABSTRACTIONS)]
   +pub mod hid;
    #[cfg(CONFIG_I2C = "y")]
    pub mod i2c;
    pub mod id_pool;
   Diff in rust/kernel/lib.rs:103:
    #[doc(hidden)]
    pub mod impl_flags;
   -#[cfg(CONFIG_RUST_HID_ABSTRACTIONS)]
   -pub mod hid;
    pub mod init;
    pub mod io;
    pub mod ioctl;
   make[2]: *** [Makefile:1912: rustfmt] Error 123
   make[2]: Target 'rustfmtcheck' not remade because of errors.
   make[1]: Leaving directory '/kbuild/obj/consumer/x86_64-rhel-9.4-rust'
   make[1]: *** [Makefile:248: __sub-make] Error 2
   make[1]: Target 'rustfmtcheck' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2
   make: Target 'rustfmtcheck' not remade because of errors.
   make: Leaving directory '/kbuild/src/consumer'

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