linux-kernel - sound_kunit.c: error: address of array 'card->id' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion]

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Message-ID: <CA+G9fYsNUbN0PsDQBqVAoUSjSXa5igOjntBFh_TF6m8A4FNDsw@mail.gmail.com>
Date: Tue, 8 Apr 2025 18:05:21 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: open list <linux-kernel@...r.kernel.org>, lkft-triage@...ts.linaro.org, 
	Linux Regressions <regressions@...ts.linux.dev>, linux-sound@...r.kernel.org, 
	kunit-dev@...glegroups.com, clang-built-linux <llvm@...ts.linux.dev>
Cc: Pei Xiao <xiaopei01@...inos.cn>, Takashi Iwai <tiwai@...e.de>, 
	Nathan Chancellor <nathan@...nel.org>, Anders Roxell <anders.roxell@...aro.org>, 
	Dan Carpenter <dan.carpenter@...aro.org>, Arnd Bergmann <arnd@...db.de>
Subject: sound_kunit.c: error: address of array 'card->id' will always
 evaluate to 'true' [-Werror,-Wpointer-bool-conversion]

Regressions on x86_64 build allyesconfig with clang-20 failed on the
Linux next-20250408 tag.

First seen on the next-20250408.
Bad: next-20250408
Good: next-20250407

* x86, build
 - build/clang-20-allyesconfig

Regression Analysis:
- New regression? Yes
- Reproducibility? Yes

Boot regression: x86_64 allyesconfig address of array 'card->id' will
always evaluate to 'true'

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

## Boot log
sound/core/sound_kunit.c:271:31: error: address of array 'card->id'
will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion]
  271 |         kunit_info(test, "%s", card->id ? card->id : "(null)");
      |                                ~~~~~~^~ ~


## Source
* Kernel version: 6.15.0-rc1
* Git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
* Git sha: 7702d0130dc002bab2c3571ddb6ff68f82d99aea
* Git describe: next-20250408
* Project details:
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20250408/

## Test
* Test log: https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20250408/testrun/27937063/suite/build/test/clang-20-allyesconfig/log
* Test details:
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20250408/testrun/27937063/suite/build/test/clang-20-allyesconfig/details/
* Test history:
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20250408/testrun/27937063/suite/build/test/clang-20-allyesconfig/history/
* Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/2vQpM7f8SQvntzGG0Tdgxj2amGb/
* Kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2vQpM7f8SQvntzGG0Tdgxj2amGb/config
* compiler: clang Debian clang version 20.1.2
(++20250330123306+5ba194972878-1~exp1~20250330003423.94)

## Steps to reproduce
 - tuxmake --runtime podman --target-arch x86_64 --toolchain clang-20
--kconfig allyesconfig LLVM=1 LLVM_IAS=1

--
Linaro LKFT
https://lkft.linaro.org