linux-kernel - Re: [PATCH v2 6/9] w1: ds2438: fixed a coding style issue

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Message-ID: <202104031102.ffDr2I0y-lkp@intel.com>
Date:   Sat, 3 Apr 2021 11:29:07 +0800
From:   kernel test robot <lkp@...el.com>
To:     Luiz Sampaio <sampaio.ime@...il.com>, zbr@...emap.net
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        corbet@....net, rikard.falkeborn@...il.com,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        Luiz Sampaio <sampaio.ime@...il.com>
Subject: Re: [PATCH v2 6/9] w1: ds2438: fixed a coding style issue

Hi Luiz,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.12-rc5 next-20210401]
[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/Luiz-Sampaio/w1-ds2438-adding-support-for-calibration-of-current-measurements/20210403-092618
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git d93a0d43e3d0ba9e19387be4dae4a8d5b175a8d7
config: powerpc64-randconfig-r026-20210402 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 0fe8af94688aa03c01913c2001d6a1a911f42ce6)
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 powerpc64 cross compiling tool for clang build
        # apt-get install binutils-powerpc64-linux-gnu
        # https://github.com/0day-ci/linux/commit/6282c64dc6cf3656cc3a9034b04f22d2a655ad39
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Luiz-Sampaio/w1-ds2438-adding-support-for-calibration-of-current-measurements/20210403-092618
        git checkout 6282c64dc6cf3656cc3a9034b04f22d2a655ad39
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 

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/w1/slaves/w1_ds2438.c:391:40: error: too few arguments provided to function-like macro invocation
   static BIN_ATTR(iad, 0664, iad_write, 0);
                                          ^
   include/linux/sysfs.h:219:9: note: macro 'BIN_ATTR' defined here
   #define BIN_ATTR(_name, _mode, _read, _write, _size)                    \
           ^
>> drivers/w1/slaves/w1_ds2438.c:398:3: error: use of undeclared identifier 'bin_attr_iad'; did you mean 'bin_attr_vad'?
           &bin_attr_iad,
            ^~~~~~~~~~~~
            bin_attr_vad
   drivers/w1/slaves/w1_ds2438.c:394:8: note: 'bin_attr_vad' declared here
   static BIN_ATTR_RO(vad, 0/* real length varies */);
          ^
   include/linux/sysfs.h:224:22: note: expanded from macro 'BIN_ATTR_RO'
   struct bin_attribute bin_attr_##_name = __BIN_ATTR_RO(_name, _size)
                        ^
   <scratch space>:49:1: note: expanded from here
   bin_attr_vad
   ^
   2 errors generated.


vim +391 drivers/w1/slaves/w1_ds2438.c

   390	
 > 391	static BIN_ATTR(iad, 0664, iad_write, 0);
   392	static BIN_ATTR_RO(page0, DS2438_PAGE_SIZE);
   393	static BIN_ATTR_RO(temperature, 0/* real length varies */);
   394	static BIN_ATTR_RO(vad, 0/* real length varies */);
   395	static BIN_ATTR_RO(vdd, 0/* real length varies */);
   396	
   397	static struct bin_attribute *w1_ds2438_bin_attrs[] = {
 > 398		&bin_attr_iad,
   399		&bin_attr_page0,
   400		&bin_attr_temperature,
   401		&bin_attr_vad,
   402		&bin_attr_vdd,
   403		NULL,
   404	};
   405	

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

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