Re: [PATCH net-next] ehea: Use DEVICE_ATTR_*() macro

On 2021/5/23 13:14, kernel test robot wrote:

Hi YueHaibing,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on net-next/master]

url:    https://github.com/0day-ci/linux/commits/YueHaibing/ehea-Use-DEVICE_ATTR_-macro/20210523-111702
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git f5120f5998803a973b1d432ed2aa7e592527aa46
config: powerpc-allmodconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/7402089765bd60dcd72cad433fd318058e06d514
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review YueHaibing/ehea-Use-DEVICE_ATTR_-macro/20210523-111702
        git checkout 7402089765bd60dcd72cad433fd318058e06d514
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All errors (new ones prefixed by >>):

   In file included from include/linux/kobject.h:20,
                    from include/linux/energy_model.h:7,
                    from include/linux/device.h:16,
                    from drivers/net/ethernet/ibm/ehea/ehea_main.c:17:

quoted

quoted

drivers/net/ethernet/ibm/ehea/ehea_main.c:3206:23: error: 'probe_port_store' undeclared here (not in a function); did you mean 'probe_port_show'?

Sorry, this is the wrong version.

    3206 | static DEVICE_ATTR_WO(probe_port);
         |                       ^~~~~~~~~~
   include/linux/sysfs.h:135:11: note: in definition of macro '__ATTR_WO'
     135 |  .store = _name##_store,     \
         |           ^~~~~
   drivers/net/ethernet/ibm/ehea/ehea_main.c:3206:8: note: in expansion of macro 'DEVICE_ATTR_WO'
    3206 | static DEVICE_ATTR_WO(probe_port);
         |        ^~~~~~~~~~~~~~
   drivers/net/ethernet/ibm/ehea/ehea_main.c:3116:16: warning: 'probe_port_show' defined but not used [-Wunused-function]
    3116 | static ssize_t probe_port_show(struct device *dev,
         |                ^~~~~~~~~~~~~~~


vim +3206 drivers/net/ethernet/ibm/ehea/ehea_main.c

  3205	

quoted

3206	static DEVICE_ATTR_WO(probe_port);

  3207	static DEVICE_ATTR_WO(remove_port);
  3208	

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