linux-kernel - Re: [PATCH 1/2] fbcon: Register sysfs groups through device_add

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Message-ID: <202503121852.0x6J0c7a-lkp@intel.com>
Date: Wed, 12 Mar 2025 18:20:49 +0800
From: kernel test robot <lkp@...el.com>
To: oushixiong1025@....com, Simona Vetter <simona@...ll.ch>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	Helge Deller <deller@....de>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Samuel Thibault <samuel.thibault@...-lyon.org>,
	Zsolt Kajtar <soci@....rulez.org>, linux-fbdev@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	Shixiong Ou <oushixiong@...inos.cn>
Subject: Re: [PATCH 1/2] fbcon: Register sysfs groups through device_add_group

Hi,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.14-rc6 next-20250311]
[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/oushixiong1025-163-com/fbcon-Change-return-value-type-to-void/20250311-193230
base:   linus/master
patch link:    https://lore.kernel.org/r/20250311112856.1020095-1-oushixiong1025%40163.com
patch subject: [PATCH 1/2] fbcon: Register sysfs groups through device_add_group
config: sparc-randconfig-001-20250312 (https://download.01.org/0day-ci/archive/20250312/202503121852.0x6J0c7a-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250312/202503121852.0x6J0c7a-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503121852.0x6J0c7a-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/video/fbdev/core/fbcon.c: In function 'fbcon_deinit_device':
>> drivers/video/fbdev/core/fbcon.c:3390:37: error: 'fb_info' undeclared (first use in this function)
    3390 |                 device_remove_group(fb_info->dev, &fbcon_device_attr_group);
         |                                     ^~~~~~~
   drivers/video/fbdev/core/fbcon.c:3390:37: note: each undeclared identifier is reported only once for each function it appears in


vim +/fb_info +3390 drivers/video/fbdev/core/fbcon.c

  3388	
  3389		if (fbcon_has_sysfs) {
> 3390			device_remove_group(fb_info->dev, &fbcon_device_attr_group);
  3391	
  3392			fbcon_has_sysfs = 0;
  3393		}
  3394	}
  3395	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki