[leon-rdma:rxe-rust-v1 87/119] Diff in rust/kernel/rdma/sysfs.rs:21:

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git rxe-rust-v1
head:   51164760f7c1e7761e793acedc65c2c014d0e92f
commit: 765dae76681da197c4fd0f489068cbad371c59f5 [87/119] rust: rdma: Own pinned provider data across device callbacks
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20261014/202610141938.EhsKdn6G-lkp@intel.com/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/20261014/202610141938.EhsKdn6G-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610141938.EhsKdn6G-lkp@intel.com/

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 -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'
   make[1]: Entering directory '/kbuild/obj/consumer/x86_64-rhel-9.4-rust'
>> Diff in rust/kernel/rdma/sysfs.rs:21:
    /// Checks a single sysfs path component before publishing its descriptor.
    pub(super) const fn valid_name(name: &CStr) -> bool {
        let bytes = name.to_bytes();
   -    if bytes.is_empty() || (bytes.len() == 1 && bytes[0] == b'.')
   +    if bytes.is_empty()
   +        || (bytes.len() == 1 && bytes[0] == b'.')
            || (bytes.len() == 2 && bytes[0] == b'.' && bytes[1] == b'.')
        {
            return false;
>> Diff in rust/kernel/rdma/sysfs.rs:21:
    /// Checks a single sysfs path component before publishing its descriptor.
    pub(super) const fn valid_name(name: &CStr) -> bool {
        let bytes = name.to_bytes();
   -    if bytes.is_empty() || (bytes.len() == 1 && bytes[0] == b'.')
   +    if bytes.is_empty()
   +        || (bytes.len() == 1 && bytes[0] == b'.')
            || (bytes.len() == 2 && bytes[0] == b'.' && bytes[1] == b'.')
        {
            return false;
>> Diff in rust/kernel/rdma/sysfs.rs:21:
    /// Checks a single sysfs path component before publishing its descriptor.
    pub(super) const fn valid_name(name: &CStr) -> bool {
        let bytes = name.to_bytes();
   -    if bytes.is_empty() || (bytes.len() == 1 && bytes[0] == b'.')
   +    if bytes.is_empty()
   +        || (bytes.len() == 1 && bytes[0] == b'.')
            || (bytes.len() == 2 && bytes[0] == b'.' && bytes[1] == b'.')
        {
            return false;
   make[2]: *** [Makefile:2038: 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: *** [Makefile:248: __sub-make] Error 2
   make: Target 'rustfmtcheck' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2
   make[1]: Target 'rustfmtcheck' not remade because of errors.
   make: Leaving directory '/kbuild/src'

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