net/netfilter/ipvs/ip_vs_conn.c:827:13: warning: 'ip_vs_conn_del' defined but not used

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

tree:   https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git linux-5.4/lts/5.4.119-20.0009
head:   3bf5c3f6e32e9cfe13f09bac3ae93b8e39d472c1
commit: 17af31ba1e41411828b96431040a21b51193e015 ipvs: queue delayed work to expire no destination connections if expire_nodest_conn=1
date:   11 months ago
config: arm64-randconfig-003-20240301 (https://download.01.org/0day-ci/archive/20240302/202403020145.sBIfPoyd-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240302/202403020145.sBIfPoyd-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/202403020145.sBIfPoyd-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> net/netfilter/ipvs/ip_vs_conn.c:827:13: warning: 'ip_vs_conn_del' defined but not used [-Wunused-function]
     827 | static void ip_vs_conn_del(struct ip_vs_conn *cp)
         |             ^~~~~~~~~~~~~~


vim +/ip_vs_conn_del +827 net/netfilter/ipvs/ip_vs_conn.c

   825	
   826	/* Try to delete connection while not holding reference */
 > 827	static void ip_vs_conn_del(struct ip_vs_conn *cp)
   828	{
   829		if (del_timer(&cp->timer)) {
   830			/* Drop cp->control chain too */
   831			if (cp->control)
   832				cp->timeout = 0;
   833			ip_vs_conn_expire(&cp->timer);
   834		}
   835	}
   836	

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