linux-kernel - Re: [PATCH v1] char: misc:use DEFINE_PROC_SHOW_ATTRIBUTE micro to simplify misc proc

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Message-ID: <202203271414.XUS8IhaO-lkp@intel.com>
Date:   Sun, 27 Mar 2022 14:16:04 +0800
From:   kernel test robot <lkp@...el.com>
To:     wujunwen <wudaemon@....com>, arnd@...db.de,
        gregkh@...uxfoundation.org
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, wujunwen <wudaemon@....com>
Subject: Re: [PATCH v1] char: misc:use DEFINE_PROC_SHOW_ATTRIBUTE micro to
 simplify misc proc_fops

Hi wujunwen,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on soc/for-next linux/master linus/master v5.17 next-20220325]
[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/intel-lab-lkp/linux/commits/wujunwen/char-misc-use-DEFINE_PROC_SHOW_ATTRIBUTE-micro-to-simplify-misc-proc_fops/20220327-120053
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git 37fd83916da2e4cae03d350015c82a67b1b334c4
config: hexagon-randconfig-r045-20220327 (https://download.01.org/0day-ci/archive/20220327/202203271414.XUS8IhaO-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0f6d9501cf49ce02937099350d08f20c4af86f3d)
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
        # https://github.com/intel-lab-lkp/linux/commit/738cb3f8808411f37ad8cb6c2529c6686a87eddf
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review wujunwen/char-misc-use-DEFINE_PROC_SHOW_ATTRIBUTE-micro-to-simplify-misc-proc_fops/20220327-120053
        git checkout 738cb3f8808411f37ad8cb6c2529c6686a87eddf
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/char/

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 >>):

>> drivers/char/misc.c:254:38: error: use of undeclared identifier 'misc_proc_ops'; did you mean 'misc_fops'?
           ret = proc_create("misc", 0, NULL, &misc_proc_ops);
                                               ^~~~~~~~~~~~~
                                               misc_fops
   drivers/char/misc.c:132:37: note: 'misc_fops' declared here
   static const struct file_operations misc_fops = {
                                       ^
   1 error generated.


vim +254 drivers/char/misc.c

   248	
   249	static int __init misc_init(void)
   250	{
   251		int err;
   252		struct proc_dir_entry *ret;
   253	
 > 254		ret = proc_create("misc", 0, NULL, &misc_proc_ops);

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp