From: kernel test robot <lkp@intel.com>
To: Haotian Zhang <vulab@iscas.ac.cn>,
Yiting Deng <yiting.deng@amlogic.com>,
Xianwei Zhao <xianwei.zhao@amlogic.com>,
Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
linux-amlogic@lists.infradead.org, linux-rtc@vger.kernel.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org,
Haotian Zhang <vulab@iscas.ac.cn>
Subject: Re: [PATCH] rtc: amlogic-a4: fix double free caused by devm
Date: Tue, 21 Oct 2025 17:29:38 +0800 [thread overview]
Message-ID: <202510211756.vnQ8ZIWo-lkp@intel.com> (raw)
In-Reply-To: <20251020150956.491-1-vulab@iscas.ac.cn>
Hi Haotian,
kernel test robot noticed the following build warnings:
[auto build test WARNING on abelloni/rtc-next]
[also build test WARNING on linus/master v6.18-rc2 next-20251021]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Haotian-Zhang/rtc-amlogic-a4-fix-double-free-caused-by-devm/20251020-231345
base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
patch link: https://lore.kernel.org/r/20251020150956.491-1-vulab%40iscas.ac.cn
patch subject: [PATCH] rtc: amlogic-a4: fix double free caused by devm
config: i386-buildonly-randconfig-002-20251021 (https://download.01.org/0day-ci/archive/20251021/202510211756.vnQ8ZIWo-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251021/202510211756.vnQ8ZIWo-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/202510211756.vnQ8ZIWo-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/rtc/rtc-amlogic-a4.c:425:23: warning: unused variable 'rtc' [-Wunused-variable]
425 | struct aml_rtc_data *rtc = dev_get_drvdata(&pdev->dev);
| ^~~
1 warning generated.
vim +/rtc +425 drivers/rtc/rtc-amlogic-a4.c
c89ac9182ee297 Yiting Deng 2024-11-12 419
c89ac9182ee297 Yiting Deng 2024-11-12 420 static SIMPLE_DEV_PM_OPS(aml_rtc_pm_ops,
c89ac9182ee297 Yiting Deng 2024-11-12 421 aml_rtc_suspend, aml_rtc_resume);
c89ac9182ee297 Yiting Deng 2024-11-12 422
c89ac9182ee297 Yiting Deng 2024-11-12 423 static void aml_rtc_remove(struct platform_device *pdev)
c89ac9182ee297 Yiting Deng 2024-11-12 424 {
c89ac9182ee297 Yiting Deng 2024-11-12 @425 struct aml_rtc_data *rtc = dev_get_drvdata(&pdev->dev);
c89ac9182ee297 Yiting Deng 2024-11-12 426
8c28c4993f117e Wolfram Sang 2024-12-17 427 device_init_wakeup(&pdev->dev, false);
c89ac9182ee297 Yiting Deng 2024-11-12 428 }
c89ac9182ee297 Yiting Deng 2024-11-12 429
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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next prev parent reply other threads:[~2025-10-21 9:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-20 15:09 [PATCH] rtc: amlogic-a4: fix double free caused by devm Haotian Zhang
2025-10-21 9:29 ` kernel test robot [this message]
2025-10-21 10:35 ` [PATCH v2] " Haotian Zhang
2025-10-22 5:48 ` Xianwei Zhao
2025-10-31 23:02 ` Alexandre Belloni
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