netdev - Re: [PATCH] xfrm: fix xfrm_dev_event() missing when compile without CONFIG_XFRM

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Message-ID: <201706011317.TbfDPZQk%fengguang.wu@intel.com>
Date:   Thu, 1 Jun 2017 13:20:39 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Hangbin Liu <liuhangbin@...il.com>
Cc:     kbuild-all@...org, netdev@...r.kernel.org,
        Guy Shapiro <guysh@...lanox.com>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        David Miller <davem@...emloft.net>,
        Hangbin Liu <liuhangbin@...il.com>
Subject: Re: [PATCH] xfrm: fix xfrm_dev_event() missing when compile without
 CONFIG_XFRM_OFFLOAD

Hi Hangbin,

[auto build test ERROR on ipsec/master]
[also build test ERROR on v4.12-rc3 next-20170531]
[cannot apply to ipsec-next/master]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Hangbin-Liu/xfrm-fix-xfrm_dev_event-missing-when-compile-without-CONFIG_XFRM_OFFLOAD/20170601-112559
base:   https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec.git master
config: x86_64-randconfig-x014-201722 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

>> net//xfrm/xfrm_device.c:207:17: error: redefinition of 'xfrm_dev_init'
    void __net_init xfrm_dev_init(void)
                    ^~~~~~~~~~~~~
   In file included from net//xfrm/xfrm_device.c:22:0:
   include/net/xfrm.h:1880:31: note: previous definition of 'xfrm_dev_init' was here
    static inline void __net_init xfrm_dev_init(void)
                                  ^~~~~~~~~~~~~

vim +/xfrm_dev_init +207 net//xfrm/xfrm_device.c

d77e38e6 Steffen Klassert 2017-04-14  191  	case NETDEV_UNREGISTER:
d77e38e6 Steffen Klassert 2017-04-14  192  		return xfrm_dev_unregister(dev);
d77e38e6 Steffen Klassert 2017-04-14  193  
d77e38e6 Steffen Klassert 2017-04-14  194  	case NETDEV_FEAT_CHANGE:
d77e38e6 Steffen Klassert 2017-04-14  195  		return xfrm_dev_feat_change(dev);
d77e38e6 Steffen Klassert 2017-04-14  196  
21f42cc9 Steffen Klassert 2017-04-14  197  	case NETDEV_DOWN:
d77e38e6 Steffen Klassert 2017-04-14  198  		return xfrm_dev_down(dev);
21f42cc9 Steffen Klassert 2017-04-14  199  	}
21f42cc9 Steffen Klassert 2017-04-14  200  	return NOTIFY_DONE;
21f42cc9 Steffen Klassert 2017-04-14  201  }
21f42cc9 Steffen Klassert 2017-04-14  202  
21f42cc9 Steffen Klassert 2017-04-14  203  static struct notifier_block xfrm_dev_notifier = {
21f42cc9 Steffen Klassert 2017-04-14  204  	.notifier_call	= xfrm_dev_event,
21f42cc9 Steffen Klassert 2017-04-14  205  };
21f42cc9 Steffen Klassert 2017-04-14  206  
21f42cc9 Steffen Klassert 2017-04-14 @207  void __net_init xfrm_dev_init(void)
21f42cc9 Steffen Klassert 2017-04-14  208  {
21f42cc9 Steffen Klassert 2017-04-14  209  	register_netdevice_notifier(&xfrm_dev_notifier);
21f42cc9 Steffen Klassert 2017-04-14  210  }

:::::: The code at line 207 was first introduced by commit
:::::: 21f42cc95f07c1d7827b339c04442e147411e44b xfrm: Move device notifications to a sepatate file

:::::: TO: Steffen Klassert <steffen.klassert@...unet.com>
:::::: CC: Steffen Klassert <steffen.klassert@...unet.com>

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