Building the Linux kernel with Clang and LLVM
 help / color / mirror / Atom feed
From: kernel test robot <lkp@intel.com>
To: "Thomas Weißschuh " <linux@weissschuh.net>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: [thomas-weissschuh:b4/rust-dyndbg 14/15] error: expected expression, found `let` statement
Date: Sat, 03 Oct 2026 13:29:47 +0200	[thread overview]
Message-ID: <202610031358.rujOiXGc-lkp@intel.com> (raw)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/thomas.weissschuh/linux.git b4/rust-dyndbg
head:   455dc868b8bce1724156c72696d8df25e44aeee3
commit: 37f2c7cb7f50692279e993451b69b94856c115d3 [14/15] rust: device: remove logging methods
config: um-randconfig-2000-20261003 (https://download.01.org/0day-ci/archive/20261003/202610031358.rujOiXGc-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project d7e4505dd447d115d85fdea45cd71030ac1d86ee)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261003/202610031358.rujOiXGc-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/202610031358.rujOiXGc-lkp@intel.com/

All errors (new ones prefixed by >>):

>> error: expected expression, found `let` statement
   --> rust/kernel/device.rs:812:9
   |
   810 |   macro_rules! dev_warn {
   |   --------------------- in this expansion of `dev_warn!`
   811 |       ($dev:expr, $($f:tt)*) => {
   812 |           let dev = &$dev;
   |           ^^^
   |
   ::: drivers/gpu/nova-core/fb.rs:81:17
   |
   81 | /                 dev_warn!(
   82 | |                     &self.device,
   83 | |                     "failed to unregister sysmem flush page: {:?}\n",
   84 | |                     e
   85 | |                 )
   | |_________________- in this macro invocation
   |
   = note: only supported directly in conditions of `if` and `while` expressions
--
>> error: macro expansion ignores keyword `let` and any tokens following
   --> rust/kernel/device.rs:813:9
   |
   813 |           let args = $crate::prelude::fmt!($($f)*);
   |           ^^^
   |
   ::: drivers/gpu/nova-core/fb.rs:81:17
   |
   81 | /                 dev_warn!(
   82 | |                     &self.device,
   83 | |                     "failed to unregister sysmem flush page: {:?}\n",
   84 | |                     e
   85 | |                 )
   | |_________________- caused by the macro expansion here
   |
   = note: the usage of `dev_warn!` is likely invalid in expression context
   help: you might be missing a semicolon here
   --> drivers/gpu/nova-core/fb.rs:85:18
   |
   85 |                 );
   |                  +
--
>> error: expected expression, found `let` statement
   --> rust/kernel/device.rs:781:9
   |
   779 | macro_rules! dev_err {
   | -------------------- in this expansion of `dev_err!`
   780 |     ($dev:expr, $($f:tt)*) => {
   781 |         let dev = &$dev;
   |         ^^^
   |
   ::: drivers/gpu/nova-core/firmware/fwsec.rs:397:30
   |
   397 |             .inspect_err(|e| dev_err!(dev, "Failed to load FWSEC firmware: {:?}\n", e))?;
   |                              --------------------------------------------------------- in this macro invocation
   |
   = note: only supported directly in conditions of `if` and `while` expressions
--
>> error: macro expansion ignores keyword `let` and any tokens following
   --> rust/kernel/device.rs:782:9
   |
   782 |         let args = $crate::prelude::fmt!($($f)*);
   |         ^^^
   |
   ::: drivers/gpu/nova-core/firmware/fwsec.rs:397:30
   |
   397 |             .inspect_err(|e| dev_err!(dev, "Failed to load FWSEC firmware: {:?}\n", e))?;
   |                              --------------------------------------------------------- caused by the macro expansion here
   |
   = note: the usage of `dev_err!` is likely invalid in expression context
   help: you might be missing a semicolon here
   --> drivers/gpu/nova-core/firmware/fwsec.rs:397:87
   |
   397 |             .inspect_err(|e| dev_err!(dev, "Failed to load FWSEC firmware: {:?}\n", e);)?;
   |                                                                                       +
--
>> error: expected expression, found `let` statement
   --> rust/kernel/device.rs:781:9
   |
   779 | macro_rules! dev_err {
   | -------------------- in this expansion of `dev_err!`
   780 |     ($dev:expr, $($f:tt)*) => {
   781 |         let dev = &$dev;
   |         ^^^
   |
   ::: drivers/gpu/nova-core/firmware/fwsec.rs:400:30
   |
   400 |             .inspect_err(|e| dev_err!(dev, "Failed to boot FWSEC firmware: {:?}\n", e))?;
   |                              --------------------------------------------------------- in this macro invocation
   |
   = note: only supported directly in conditions of `if` and `while` expressions
--
>> error: macro expansion ignores keyword `let` and any tokens following
   --> rust/kernel/device.rs:782:9
   |
   782 |         let args = $crate::prelude::fmt!($($f)*);
   |         ^^^
   |
   ::: drivers/gpu/nova-core/firmware/fwsec.rs:400:30
   |
   400 |             .inspect_err(|e| dev_err!(dev, "Failed to boot FWSEC firmware: {:?}\n", e))?;
   |                              --------------------------------------------------------- caused by the macro expansion here
   |
   = note: the usage of `dev_err!` is likely invalid in expression context
   help: you might be missing a semicolon here
   --> drivers/gpu/nova-core/firmware/fwsec.rs:400:87
   |
   400 |             .inspect_err(|e| dev_err!(dev, "Failed to boot FWSEC firmware: {:?}\n", e);)?;
   |                                                                                       +
--
>> error: expected expression, found `let` statement
   --> rust/kernel/device.rs:781:9
   |
   779 | macro_rules! dev_err {
   | -------------------- in this expansion of `dev_err!`
   780 |     ($dev:expr, $($f:tt)*) => {
   781 |         let dev = &$dev;
   |         ^^^
   |
   ::: drivers/gpu/nova-core/gpu.rs:321:30
   |
   321 |             .inspect_err(|e| dev_err!(device, "failed to unload GSP: {:?}\n", e));
   |                              --------------------------------------------------- in this macro invocation
   |
   = note: only supported directly in conditions of `if` and `while` expressions
--
>> error: macro expansion ignores keyword `let` and any tokens following
   --> rust/kernel/device.rs:782:9
   |
   782 |         let args = $crate::prelude::fmt!($($f)*);
   |         ^^^
   |
   ::: drivers/gpu/nova-core/gpu.rs:321:30
   |
   321 |             .inspect_err(|e| dev_err!(device, "failed to unload GSP: {:?}\n", e));
   |                              --------------------------------------------------- caused by the macro expansion here
   |
   = note: the usage of `dev_err!` is likely invalid in expression context
   help: you might be missing a semicolon here
   --> drivers/gpu/nova-core/gpu.rs:321:81
   |
   321 |             .inspect_err(|e| dev_err!(device, "failed to unload GSP: {:?}\n", e););
   |                                                                                 +
--
>> error: expected expression, found `let` statement
   --> rust/kernel/device.rs:781:9
   |
   779 | macro_rules! dev_err {
   | -------------------- in this expansion of `dev_err!`
   780 |     ($dev:expr, $($f:tt)*) => {
   781 |         let dev = &$dev;
   |         ^^^
   |
   ::: drivers/gpu/nova-core/gpu.rs:347:38
   |
   347 |                     .inspect_err(|_| dev_err!(dev, "GFW boot did not complete\n"))?;
   |                                      -------------------------------------------- in this macro invocation
   |
   = note: only supported directly in conditions of `if` and `while` expressions
--
>> error: macro expansion ignores keyword `let` and any tokens following
   --> rust/kernel/device.rs:782:9
   |
   782 |         let args = $crate::prelude::fmt!($($f)*);
   |         ^^^
   |
   ::: drivers/gpu/nova-core/gpu.rs:347:38
   |
   347 |                     .inspect_err(|_| dev_err!(dev, "GFW boot did not complete\n"))?;
   |                                      -------------------------------------------- caused by the macro expansion here
   |
   = note: the usage of `dev_err!` is likely invalid in expression context
   help: you might be missing a semicolon here
   --> drivers/gpu/nova-core/gpu.rs:347:82
   |
   347 |                     .inspect_err(|_| dev_err!(dev, "GFW boot did not complete\n");)?;
   |                                                                                  +
--
>> error: expected expression, found `let` statement
   --> rust/kernel/device.rs:874:9
   |
   872 | macro_rules! dev_info {
   | --------------------- in this expansion of `dev_info!`
   873 |     ($dev:expr, $($f:tt)*) => {
   874 |         let dev = &$dev;
   |         ^^^
   |
   ::: drivers/gpu/nova-core/gpu.rs:393:33
   |
   393 |                     Ok(name) => dev_info!(dev, "GPU name: {}\n", name),
   |                                 -------------------------------------- in this macro invocation
   |
   = note: only supported directly in conditions of `if` and `while` expressions
..

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

                 reply	other threads:[~2026-10-03 11:30 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=202610031358.rujOiXGc-lkp@intel.com \
    --to=lkp@intel.com \
    --cc=linux@weissschuh.net \
    --cc=llvm@lists.linux.dev \
    --cc=oe-kbuild-all@lists.linux.dev \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox