linux-kernel - Re: [PATCH] modules: add modalias file to sysfs for modules.

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Date:   Sat, 12 Nov 2022 07:07:08 +0800
From:   kernel test robot <lkp@...el.com>
To:     Allen Webb <allenwebb@...gle.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     oe-kbuild-all@...ts.linux.dev,
        Luis Chamberlain <mcgrof@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "linux-modules@...r.kernel.org" <linux-modules@...r.kernel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Allen Webb <allenwebb@...gle.com>
Subject: Re: [PATCH] modules: add modalias file to sysfs for modules.

Hi Allen,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on driver-core/driver-core-testing]
[also build test ERROR on driver-core/driver-core-next driver-core/driver-core-linus mcgrof/modules-next usb/usb-testing usb/usb-next usb/usb-linus linus/master v6.1-rc4 next-20221111]
[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/Allen-Webb/modules-add-modalias-file-to-sysfs-for-modules/20221111-233314
patch link:    https://lore.kernel.org/r/20221111152852.2837363-1-allenwebb%40google.com
patch subject: [PATCH] modules: add modalias file to sysfs for modules.
config: m68k-m5208evb_defconfig
compiler: m68k-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/6dda398b2e01f44f8fb5f03116ba5e6143360140
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Allen-Webb/modules-add-modalias-file-to-sysfs-for-modules/20221111-233314
        git checkout 6dda398b2e01f44f8fb5f03116ba5e6143360140
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/

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

All errors (new ones prefixed by >>):

   In file included from drivers/base/core.c:35:
   drivers/base/base.h: In function 'usb_drv_to_modalias':
>> drivers/base/base.h:180:67: error: 'ENOSUP' undeclared (first use in this function); did you mean 'ENOSYS'?
     180 |                                           size_t count) { return -ENOSUP; }
         |                                                                   ^~~~~~
         |                                                                   ENOSYS
   drivers/base/base.h:180:67: note: each undeclared identifier is reported only once for each function it appears in


vim +180 drivers/base/base.h

   174	
   175	#if defined(CONFIG_SYSFS)
   176	ssize_t usb_drv_to_modalias(struct device_driver *drv, char *buf,
   177				    size_t count);
   178	#else
   179	static inline ssize_t usb_drv_to_modalias(struct device_driver *drv, char *buf,
 > 180						  size_t count) { return -ENOSUP; }
   181	#endif
   182	

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

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