Re: [PATCH net-next 8/8] mld: change context of mld module

Hi Taehee,

Thank you for the patch! Perhaps something to improve:

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

url:    https://github.com/0day-ci/linux/commits/Taehee-Yoo/mld-change-context-from-atomic-to-sleepable/20210209-072339
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 6626a0266566c5aea16178c5e6cd7fc4db3f2f56
config: powerpc64-randconfig-r015-20210209 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install powerpc64 cross compiling tool for clang build
        # apt-get install binutils-powerpc64-linux-gnu
        # https://github.com/0day-ci/linux/commit/9ac7d23c98251efc265073a0d63930c91739cc02
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Taehee-Yoo/mld-change-context-from-atomic-to-sleepable/20210209-072339
        git checkout 9ac7d23c98251efc265073a0d63930c91739cc02
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 

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

All warnings (new ones prefixed by >>):

quoted

net/ipv6/mcast.c:333:6: warning: no previous prototype for function 'mld_check_leave_group' [-Wmissing-prototypes]

   bool mld_check_leave_group(struct ipv6_mc_socklist *mc_lst, int omode)
        ^
   net/ipv6/mcast.c:333:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   bool mld_check_leave_group(struct ipv6_mc_socklist *mc_lst, int omode)
   ^
   static 
   1 warning generated.


vim +/mld_check_leave_group +333 net/ipv6/mcast.c

   331	
   332	/* special case - (INCLUDE, empty) == LEAVE_GROUP */
 > 333	bool mld_check_leave_group(struct ipv6_mc_socklist *mc_lst, int omode)
   334	{
   335		if (atomic_read(&mc_lst->sl_count) == 1 && omode == MCAST_INCLUDE)
   336			return true;
   337		else
   338			return false;
   339	}
   340	

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0-DAY CI Kernel Test Service, Intel Corporation
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