Re: [PATCH net-next v2] net: ifdefy the wireless pointers in struct net_device

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Hi Jakub,

I love your patch! Yet something to improve:

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

url:    https://github.com/intel-lab-lkp/linux/commits/Jakub-Kicinski/net-ifdefy-the-wireless-pointers-in-struct-net_device/20220519-022305
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git a3641ca416a3da7cbeae5bcf1fc26ba9797a1438
config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220519/202205190456.MohbzV8M-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/c6413242ee18dfc005d7ed7ccc4db9cf7883b872
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Jakub-Kicinski/net-ifdefy-the-wireless-pointers-in-struct-net_device/20220519-022305
        git checkout c6413242ee18dfc005d7ed7ccc4db9cf7883b872
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   net/core/net-sysfs.c: In function 'netdev_register_kobject':
>> net/core/net-sysfs.c:2013:30: error: 'wireless_group' undeclared (first use in this function); did you mean 'wireless_dev'?
    2013 |                 *groups++ = &wireless_group;
         |                              ^~~~~~~~~~~~~~
         |                              wireless_dev
   net/core/net-sysfs.c:2013:30: note: each undeclared identifier is reported only once for each function it appears in


vim +2013 net/core/net-sysfs.c

^1da177e4c3f41 Linus Torvalds     2005-04-16  1990  
^1da177e4c3f41 Linus Torvalds     2005-04-16  1991  /* Create sysfs entries for network device. */
6b53dafe23fd1f WANG Cong          2014-07-23  1992  int netdev_register_kobject(struct net_device *ndev)
^1da177e4c3f41 Linus Torvalds     2005-04-16  1993  {
6648c65e7ea72c stephen hemminger  2017-08-18  1994  	struct device *dev = &ndev->dev;
6b53dafe23fd1f WANG Cong          2014-07-23  1995  	const struct attribute_group **groups = ndev->sysfs_groups;
0a9627f2649a02 Tom Herbert        2010-03-16  1996  	int error = 0;
^1da177e4c3f41 Linus Torvalds     2005-04-16  1997  
a1b3f594dc5faa Eric W. Biederman  2010-05-04  1998  	device_initialize(dev);
43cb76d91ee85f Greg Kroah-Hartman 2002-04-09  1999  	dev->class = &net_class;
6b53dafe23fd1f WANG Cong          2014-07-23  2000  	dev->platform_data = ndev;
43cb76d91ee85f Greg Kroah-Hartman 2002-04-09  2001  	dev->groups = groups;
^1da177e4c3f41 Linus Torvalds     2005-04-16  2002  
6b53dafe23fd1f WANG Cong          2014-07-23  2003  	dev_set_name(dev, "%s", ndev->name);
^1da177e4c3f41 Linus Torvalds     2005-04-16  2004  
8b41d1887db718 Eric W. Biederman  2007-09-26  2005  #ifdef CONFIG_SYSFS
0c509a6c9393b2 Eric W. Biederman  2009-10-29  2006  	/* Allow for a device specific group */
0c509a6c9393b2 Eric W. Biederman  2009-10-29  2007  	if (*groups)
0c509a6c9393b2 Eric W. Biederman  2009-10-29  2008  		groups++;
^1da177e4c3f41 Linus Torvalds     2005-04-16  2009  
0c509a6c9393b2 Eric W. Biederman  2009-10-29  2010  	*groups++ = &netstat_group;
38c1a01cf10c6e Johannes Berg      2012-11-16  2011  
c6413242ee18df Jakub Kicinski     2022-05-18  2012  	if (wireless_group_needed(ndev))
38c1a01cf10c6e Johannes Berg      2012-11-16 @2013  		*groups++ = &wireless_group;
8b41d1887db718 Eric W. Biederman  2007-09-26  2014  #endif /* CONFIG_SYSFS */
^1da177e4c3f41 Linus Torvalds     2005-04-16  2015  
0a9627f2649a02 Tom Herbert        2010-03-16  2016  	error = device_add(dev);
0a9627f2649a02 Tom Herbert        2010-03-16  2017  	if (error)
8ed633b9baf9ec Wang Hai           2019-04-12  2018  		return error;
0a9627f2649a02 Tom Herbert        2010-03-16  2019  
6b53dafe23fd1f WANG Cong          2014-07-23  2020  	error = register_queue_kobjects(ndev);
8ed633b9baf9ec Wang Hai           2019-04-12  2021  	if (error) {
8ed633b9baf9ec Wang Hai           2019-04-12  2022  		device_del(dev);
8ed633b9baf9ec Wang Hai           2019-04-12  2023  		return error;
8ed633b9baf9ec Wang Hai           2019-04-12  2024  	}
0a9627f2649a02 Tom Herbert        2010-03-16  2025  
9802c8e22f6efd Ming Lei           2013-02-22  2026  	pm_runtime_set_memalloc_noio(dev, true);
9802c8e22f6efd Ming Lei           2013-02-22  2027  
0a9627f2649a02 Tom Herbert        2010-03-16  2028  	return error;
^1da177e4c3f41 Linus Torvalds     2005-04-16  2029  }
^1da177e4c3f41 Linus Torvalds     2005-04-16  2030  

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



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