Re: [PATCH 2/2 net-next] ipv4: ipv4: handle devconf post-set actions on netlink updates

[kernel test robot <lkp@intel.com>]

Hi Fernando,

kernel test robot noticed the following build warnings:

[auto build test WARNING on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Fernando-Fernandez-Mancera/ipv4-ipv4-handle-devconf-post-set-actions-on-netlink-updates/20260326-020953
base:   net-next/main
patch link:    https://lore.kernel.org/r/20260325161020.3516-2-fmancera%40suse.de
patch subject: [PATCH 2/2 net-next] ipv4: ipv4: handle devconf post-set actions on netlink updates
config: arm-randconfig-002-20260326 (https://download.01.org/0day-ci/archive/20260326/202603261127.QrC9E9f0-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260326/202603261127.QrC9E9f0-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603261127.QrC9E9f0-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> net/ipv4/devinet.c:2131:13: warning: 'devinet_conf_post_set' used but never defined
    2131 | static bool devinet_conf_post_set(struct net *net, struct ipv4_devconf *cnf,
         |             ^~~~~~~~~~~~~~~~~~~~~


vim +/devinet_conf_post_set +2131 net/ipv4/devinet.c

  2130	
> 2131	static bool devinet_conf_post_set(struct net *net, struct ipv4_devconf *cnf,
  2132					  int attr, int new, int old, int index);
  2133	

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