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Message-ID: <202303091536.tx7dCAzn-lkp@intel.com>
Date:   Thu, 9 Mar 2023 15:15:45 +0800
From:   kernel test robot <lkp@...el.com>
To:     Anjali Kulkarni <anjali.k.kulkarni@...cle.com>, davem@...emloft.net
Cc:     oe-kbuild-all@...ts.linux.dev, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, zbr@...emap.net,
        brauner@...nel.org, johannes@...solutions.net,
        ecree.xilinx@...il.com, leon@...nel.org, keescook@...omium.org,
        socketcan@...tkopp.net, petrm@...dia.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        anjali.k.kulkarni@...cle.com
Subject: Re: [PATCH 2/5] connector/cn_proc: Add filtering to fix some bugs

Hi Anjali,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on net-next/master]
[also build test WARNING on net/master vfs-idmapping/for-next linus/master v6.3-rc1 next-20230309]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Anjali-Kulkarni/netlink-Reverse-the-patch-which-removed-filtering/20230309-112151
patch link:    https://lore.kernel.org/r/20230309031953.2350213-3-anjali.k.kulkarni%40oracle.com
patch subject: [PATCH 2/5] connector/cn_proc: Add filtering to fix some bugs
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230309/202303091536.tx7dCAzn-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 12.1.0
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
        # https://github.com/intel-lab-lkp/linux/commit/b27e8d125480d07c95a71e8ef2f0b38d890138cd
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Anjali-Kulkarni/netlink-Reverse-the-patch-which-removed-filtering/20230309-112151
        git checkout b27e8d125480d07c95a71e8ef2f0b38d890138cd
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303091536.tx7dCAzn-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/connector/cn_proc.c:51:5: warning: no previous prototype for 'cn_filter' [-Wmissing-prototypes]
      51 | int cn_filter(struct sock *dsk, struct sk_buff *skb, void *data)
         |     ^~~~~~~~~


vim +/cn_filter +51 drivers/connector/cn_proc.c

    50	
  > 51	int cn_filter(struct sock *dsk, struct sk_buff *skb, void *data)
    52	{
    53		enum proc_cn_mcast_op mc_op;
    54	
    55		if (!dsk)
    56			return 0;
    57	
    58		mc_op = ((struct proc_input *)(dsk->sk_user_data))->mcast_op;
    59	
    60		if (mc_op == PROC_CN_MCAST_IGNORE)
    61			return 1;
    62	
    63		return 0;
    64	}
    65	EXPORT_SYMBOL_GPL(cn_filter);
    66	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

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