linux-kernel - error[E0560]: struct `bindings::file_operations` has no field named `compat

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Message-ID: <202511300859.35d9m0hj-lkp@intel.com>
Date: Sun, 30 Nov 2025 08:47:52 +0800
From: kernel test robot <lkp@...el.com>
To: Alice Ryhl <aliceryhl@...gle.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: error[E0560]: struct `bindings::file_operations` has no field named
 `compat_ioctl`

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   6bda50f4333fa61c07f04f790fdd4e2c9f4ca610
commit: f893691e742688ae21ad597c5bba13bef54706cd rust: miscdevice: add base miscdevice abstraction
date:   1 year, 2 months ago
config: arm64-randconfig-r073-20251130 (https://download.01.org/0day-ci/archive/20251130/202511300859.35d9m0hj-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project b3428bb966f1de8aa48375ffee0eba04ede133b7)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251130/202511300859.35d9m0hj-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/202511300859.35d9m0hj-lkp@intel.com/

All errors (new ones prefixed by >>):

>> error[E0560]: struct `bindings::file_operations` has no field named `compat_ioctl`
   --> rust/kernel/miscdevice.rs:161:13
   |
   161 |             compat_ioctl: if T::HAS_COMPAT_IOCTL {
   |             ^^^^^^^^^^^^ `bindings::file_operations` does not have this field
   |
   = note: available fields are: `_address`

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