netdev - Re: [PATCH linux-next] mlxsw: spectrum: use netif_is

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Date: Sun, 17 Dec 2023 20:42:08 +0800
From: kernel test robot <lkp@...el.com>
To: yang.guang5@....com.cn, davem@...emloft.net
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	jiang.xuexin@....com.cn, chen.haonan2@....com.cn,
	cgel.zte@...il.com, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, sd@...asysnail.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH linux-next] mlxsw: spectrum: use netif_is_macsec()
 instead of open code

Hi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on next-20231215]

url:    https://github.com/intel-lab-lkp/linux/commits/yang-guang5-zte-com-cn/mlxsw-spectrum-use-netif_is_macsec-instead-of-open-code/20231215-214631
base:   next-20231215
patch link:    https://lore.kernel.org/r/202312152145312776210%40zte.com.cn
patch subject: [PATCH linux-next] mlxsw: spectrum: use netif_is_macsec() instead of open code
config: i386-buildonly-randconfig-003-20231217 (https://download.01.org/0day-ci/archive/20231217/202312172042.gMYseKZQ-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231217/202312172042.gMYseKZQ-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312172042.gMYseKZQ-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from kernel/cgroup/cgroup.c:33:
   In file included from include/linux/bpf-cgroup.h:11:
   In file included from include/net/sock.h:46:
>> include/linux/netdevice.h:5105:1: warning: all paths through this function will call itself [-Winfinite-recursion]
   {
   ^
   1 warning generated.


vim +5105 include/linux/netdevice.h

7967168cefdbc6 Herbert Xu      2006-06-22  5098  
14d7b8122fd591 Jakub Kicinski  2022-05-05  5099  void netif_set_tso_max_size(struct net_device *dev, unsigned int size);
14d7b8122fd591 Jakub Kicinski  2022-05-05  5100  void netif_set_tso_max_segs(struct net_device *dev, unsigned int segs);
6df6398f7c8b48 Jakub Kicinski  2022-05-05  5101  void netif_inherit_tso_max(struct net_device *to,
6df6398f7c8b48 Jakub Kicinski  2022-05-05  5102  			   const struct net_device *from);
6df6398f7c8b48 Jakub Kicinski  2022-05-05  5103  
3c17578473b9be Sabrina Dubroca 2016-03-11  5104  static inline bool netif_is_macsec(const struct net_device *dev)
3c17578473b9be Sabrina Dubroca 2016-03-11 @5105  {
55cddeca5e222e Yang Guang      2023-12-15  5106  	return netif_is_macsec(dev);
3c17578473b9be Sabrina Dubroca 2016-03-11  5107  }
3c17578473b9be Sabrina Dubroca 2016-03-11  5108  

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