linux-kernel - Re: [PATCH] driver core: Switch to using the new API kobj_to

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Date:   Sun, 7 Nov 2021 05:41:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Yang Li <yang.lee@...ux.alibaba.com>, gregkh@...uxfoundation.org
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Yang Li <yang.lee@...ux.alibaba.com>
Subject: Re: [PATCH] driver core: Switch to using the new API kobj_to_dev()

Hi Yang,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linux/master]
[also build test ERROR on linus/master v5.15 next-20211106]
[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]

url:    https://github.com/0day-ci/linux/commits/Yang-Li/driver-core-Switch-to-using-the-new-API-kobj_to_dev/20210929-102216
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5816b3e6577eaa676ceb00a848f0fd65fe2adc29
config: arm64-buildonly-randconfig-r006-20210928 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dc6e8dfdfe7efecfda318d43a06fae18b40eb498)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/0day-ci/linux/commit/eedc73d4f330cf7a8d18d64f327837ae9a00d003
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Yang-Li/driver-core-Switch-to-using-the-new-API-kobj_to_dev/20210929-102216
        git checkout eedc73d4f330cf7a8d18d64f327837ae9a00d003
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:15:
>> include/linux/device.h:609:1: error: all paths through this function will call itself [-Werror,-Winfinite-recursion]
   {
   ^
   1 error generated.
   make[2]: *** [scripts/Makefile.build:121: arch/arm64/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1219: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:219: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +609 include/linux/device.h

287905e68dd298 Saravana Kannan    2020-05-21  607  
a4232963757e62 Lars-Peter Clausen 2012-07-03  608  static inline struct device *kobj_to_dev(struct kobject *kobj)
a4232963757e62 Lars-Peter Clausen 2012-07-03 @609  {
eedc73d4f330cf Yang Li            2021-03-01  610  	return kobj_to_dev(kobj);
a4232963757e62 Lars-Peter Clausen 2012-07-03  611  }
a4232963757e62 Lars-Peter Clausen 2012-07-03  612  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (47462 bytes)