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Message-ID: <202503120028.ZL9zhHXe-lkp@intel.com>
Date: Wed, 12 Mar 2025 00:56:47 +0800
From: kernel test robot <lkp@...el.com>
To: Anand Moon <linux.amoon@...il.com>,
Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
Krzysztof Kozlowski <krzk@...nel.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Zhang Rui <rui.zhang@...el.com>, Lukasz Luba <lukasz.luba@....com>,
Alim Akhtar <alim.akhtar@...sung.com>, linux-pm@...r.kernel.org,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Anand Moon <linux.amoon@...il.com>
Subject: Re: [PATCH v4 4/4] drivers/thermal/exymos: Use guard notation when
acquiring mutex
Hi Anand,
kernel test robot noticed the following build errors:
[auto build test ERROR on 80e54e84911a923c40d7bee33a34c1b4be148d7a]
url: https://github.com/intel-lab-lkp/linux/commits/Anand-Moon/drivers-thermal-exynos-Refactor-clk_sec-initialization-inside-SOC-specific-case/20250310-223732
base: 80e54e84911a923c40d7bee33a34c1b4be148d7a
patch link: https://lore.kernel.org/r/20250310143450.8276-5-linux.amoon%40gmail.com
patch subject: [PATCH v4 4/4] drivers/thermal/exymos: Use guard notation when acquiring mutex
config: s390-randconfig-001-20250311 (https://download.01.org/0day-ci/archive/20250312/202503120028.ZL9zhHXe-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250312/202503120028.ZL9zhHXe-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/202503120028.ZL9zhHXe-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/thermal/samsung/exynos_tmu.c:721:3: error: cannot jump from this goto statement to its label
goto out;
^
drivers/thermal/samsung/exynos_tmu.c:723:2: note: jump bypasses initialization of variable with __attribute__((cleanup))
guard(mutex)(&data->lock);
^
include/linux/cleanup.h:309:15: note: expanded from macro 'guard'
CLASS(_name, __UNIQUE_ID(guard))
^
include/linux/compiler.h:166:29: note: expanded from macro '__UNIQUE_ID'
#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
^
include/linux/compiler_types.h:84:22: note: expanded from macro '__PASTE'
#define __PASTE(a,b) ___PASTE(a,b)
^
include/linux/compiler_types.h:83:23: note: expanded from macro '___PASTE'
#define ___PASTE(a,b) a##b
^
<scratch space>:78:1: note: expanded from here
__UNIQUE_ID_guard398
^
drivers/thermal/samsung/exynos_tmu.c:718:3: error: cannot jump from this goto statement to its label
goto out;
^
drivers/thermal/samsung/exynos_tmu.c:723:2: note: jump bypasses initialization of variable with __attribute__((cleanup))
guard(mutex)(&data->lock);
^
include/linux/cleanup.h:309:15: note: expanded from macro 'guard'
CLASS(_name, __UNIQUE_ID(guard))
^
include/linux/compiler.h:166:29: note: expanded from macro '__UNIQUE_ID'
#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
^
include/linux/compiler_types.h:84:22: note: expanded from macro '__PASTE'
#define __PASTE(a,b) ___PASTE(a,b)
^
include/linux/compiler_types.h:83:23: note: expanded from macro '___PASTE'
#define ___PASTE(a,b) a##b
^
<scratch space>:78:1: note: expanded from here
__UNIQUE_ID_guard398
^
2 errors generated.
vim +721 drivers/thermal/samsung/exynos_tmu.c
285d994a51e45ca drivers/thermal/samsung/exynos_tmu.c Bartlomiej Zolnierkiewicz 2014-11-13 711
7ea98f70c73ea37 drivers/thermal/samsung/exynos_tmu.c Daniel Lezcano 2022-08-05 712 static int exynos_tmu_set_emulation(struct thermal_zone_device *tz, int temp)
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 713 {
5f68d0785e5258a drivers/thermal/samsung/exynos_tmu.c Daniel Lezcano 2023-03-01 714 struct exynos_tmu_data *data = thermal_zone_device_priv(tz);
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 715 int ret = -EINVAL;
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 716
ef3f80fc7f79c32 drivers/thermal/samsung/exynos_tmu.c Bartlomiej Zolnierkiewicz 2014-11-13 717 if (data->soc == SOC_ARCH_EXYNOS4210)
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 718 goto out;
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 719
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 720 if (temp && temp < MCELSIUS)
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 @721 goto out;
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 722
0c7c68a34f7d0f7 drivers/thermal/samsung/exynos_tmu.c Anand Moon 2025-03-10 723 guard(mutex)(&data->lock);
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 724 clk_enable(data->clk);
285d994a51e45ca drivers/thermal/samsung/exynos_tmu.c Bartlomiej Zolnierkiewicz 2014-11-13 725 data->tmu_set_emulation(data, temp);
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 726 clk_disable(data->clk);
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 727 return 0;
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 728 out:
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 729 return ret;
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 730 }
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 731 #else
285d994a51e45ca drivers/thermal/samsung/exynos_tmu.c Bartlomiej Zolnierkiewicz 2014-11-13 732 #define exynos4412_tmu_set_emulation NULL
7ea98f70c73ea37 drivers/thermal/samsung/exynos_tmu.c Daniel Lezcano 2022-08-05 733 static int exynos_tmu_set_emulation(struct thermal_zone_device *tz, int temp)
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 734 { return -EINVAL; }
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 735 #endif /* CONFIG_THERMAL_EMULATION */
bffd1f8ac87a798 drivers/thermal/exynos_thermal.c Amit Daniel Kachhap 2013-02-11 736
--
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https://github.com/intel/lkp-tests/wiki
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