[linux-next:master 8890/10862] Diff in rust/kernel/cpufreq.rs:1361:

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   95d6a9ccef99117115e41e9adb271243bd5e985b
commit: 8aa931819543aaed39215a8ee39af4b1ed44cfa8 [8890/10862] rust: cpufreq: Fix temporary write in Registration::bios_limit_callback
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260731/[email protected]/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260731/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All errors (new ones prefixed by >>):

   PATH=/opt/cross/clang-22/bin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
   INFO PATH=/opt/cross/rustc-1.96.0-bindgen-0.72.1/cargo/bin:/opt/cross/clang-22/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 -j384 -C source O=/kbuild/obj/consumer/x86_64-rhel-9.4-rust ARCH=x86_64 SHELL=/bin/bash rustfmtcheck 
   make: Entering directory '/kbuild/src'
   make[1]: Entering directory '/kbuild/obj/consumer/x86_64-rhel-9.4-rust'
>> Diff in rust/kernel/cpufreq.rs:1361:
                let mut policy = PolicyCpu::from_cpu(cpu_id)?;
                let val = T::bios_limit(&mut policy)?;
                // SAFETY: `limit` is guaranteed by the C code to be valid.
   -            unsafe { *limit = val; }
   +            unsafe {
   +                *limit = val;
   +            }
                Ok(0)
            })
        }
>> Diff in rust/kernel/cpufreq.rs:1361:
                let mut policy = PolicyCpu::from_cpu(cpu_id)?;
                let val = T::bios_limit(&mut policy)?;
                // SAFETY: `limit` is guaranteed by the C code to be valid.
   -            unsafe { *limit = val; }
   +            unsafe {
   +                *limit = val;
   +            }
                Ok(0)
            })
        }
   make[2]: *** [Makefile:1993: 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'

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