netdev - [net:master 11/11] net//ipv4/igmp.c:2157:2: error: implicit declaration of function 'ip_sf_list_clear_all'; did you mean 'ip_mc_filter

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Date:   Thu, 23 May 2019 09:19:09 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Eric Dumazet <edumazet@...gle.com>
Cc:     kbuild-all@...org, netdev@...r.kernel.org
Subject: [net:master 11/11] net//ipv4/igmp.c:2157:2: error: implicit
 declaration of function 'ip_sf_list_clear_all'; did you mean
 'ip_mc_filter_del'?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git master
head:   3580d04aa674383c42de7b635d28e52a1e5bc72c
commit: 3580d04aa674383c42de7b635d28e52a1e5bc72c [11/11] ipv4/igmp: fix another memory leak in igmpv3_del_delrec()
config: i386-randconfig-x073-201920 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        git checkout 3580d04aa674383c42de7b635d28e52a1e5bc72c
        # save the attached .config to linux build tree
        make ARCH=i386 

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

All errors (new ones prefixed by >>):

   net//ipv4/igmp.c: In function 'ip_mc_clear_src':
>> net//ipv4/igmp.c:2157:2: error: implicit declaration of function 'ip_sf_list_clear_all'; did you mean 'ip_mc_filter_del'? [-Werror=implicit-function-declaration]
     ip_sf_list_clear_all(tomb);
     ^~~~~~~~~~~~~~~~~~~~
     ip_mc_filter_del
   cc1: some warnings being treated as errors

vim +2157 net//ipv4/igmp.c

  2142	
  2143	static void ip_mc_clear_src(struct ip_mc_list *pmc)
  2144	{
  2145		struct ip_sf_list *tomb, *sources;
  2146	
  2147		spin_lock_bh(&pmc->lock);
  2148		tomb = pmc->tomb;
  2149		pmc->tomb = NULL;
  2150		sources = pmc->sources;
  2151		pmc->sources = NULL;
  2152		pmc->sfmode = MCAST_EXCLUDE;
  2153		pmc->sfcount[MCAST_INCLUDE] = 0;
  2154		pmc->sfcount[MCAST_EXCLUDE] = 1;
  2155		spin_unlock_bh(&pmc->lock);
  2156	
> 2157		ip_sf_list_clear_all(tomb);
  2158		ip_sf_list_clear_all(sources);
  2159	}
  2160	

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