netdev - Re: [PATCH] [net/ipv6] ip6_output: Add ipv6

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Message-ID: <202007271311.OyQcBwpU%lkp@intel.com>
Date:   Mon, 27 Jul 2020 13:18:19 +0800
From:   kernel test robot <lkp@...el.com>
To:     open list <linux-kernel@...r.kernel.org>
Cc:     kbuild-all@...ts.01.org, netdev@...r.kernel.org
Subject: Re: [PATCH] [net/ipv6] ip6_output: Add ipv6_pinfo null check

Hi Gaurav,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on sparc-next/master]
[also build test WARNING on ipvs/master linus/master v5.8-rc7 next-20200724]
[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]

url:    https://github.com/0day-ci/linux/commits/Gaurav-Singh/ip6_output-Add-ipv6_pinfo-null-check/20200727-113949
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next.git master
config: csky-defconfig (attached as .config)
compiler: csky-linux-gcc (GCC) 9.3.0
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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=csky 

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

All warnings (new ones prefixed by >>):

   net/ipv6/ip6_output.c: In function 'ip6_autoflowlabel':
>> net/ipv6/ip6_output.c:188:1: warning: control reaches end of non-void function [-Wreturn-type]
     188 | }
         | ^

vim +188 net/ipv6/ip6_output.c

^1da177e4c3f41 Linus Torvalds 2005-04-16  181  
e9191ffb65d8e1 Ben Hutchings  2018-01-22  182  bool ip6_autoflowlabel(struct net *net, const struct ipv6_pinfo *np)
513674b5a2c9c7 Shaohua Li     2017-12-20  183  {
5bdc1ea8a7d229 Gaurav Singh   2020-07-26  184  	if (np && np->autoflowlabel_set)
513674b5a2c9c7 Shaohua Li     2017-12-20  185  		return np->autoflowlabel;
5bdc1ea8a7d229 Gaurav Singh   2020-07-26  186  	else
5bdc1ea8a7d229 Gaurav Singh   2020-07-26  187  		ip6_default_np_autolabel(net);
513674b5a2c9c7 Shaohua Li     2017-12-20 @188  }
513674b5a2c9c7 Shaohua Li     2017-12-20  189  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (10045 bytes)