netdev - Re: [PATCH v7 net-next 3/4] virtio_net: Extend virtio to use VF datapath when available

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Date:   Sun, 22 Apr 2018 23:41:42 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Sridhar Samudrala <sridhar.samudrala@...el.com>
Cc:     kbuild-all@...org, mst@...hat.com, stephen@...workplumber.org,
        davem@...emloft.net, netdev@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        virtio-dev@...ts.oasis-open.org, jesse.brandeburg@...el.com,
        alexander.h.duyck@...el.com, kubakici@...pl,
        sridhar.samudrala@...el.com, jasowang@...hat.com,
        loseweigh@...il.com, jiri@...nulli.us
Subject: Re: [PATCH v7 net-next 3/4] virtio_net: Extend virtio to use VF
 datapath when available

Hi Sridhar,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on net/master]
[also build test WARNING on v4.17-rc1]
[cannot apply to net-next/master next-20180420]
[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/Sridhar-Samudrala/Enable-virtio_net-to-act-as-a-standby-for-a-passthru-device/20180422-210557
config: i386-randconfig-a1-04221429 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   In file included from drivers//net/virtio_net.c:37:0:
   include/net/failover.h:67:1: error: expected identifier or '(' before '{' token
    {
    ^
>> include/net/failover.h:78:16: warning: 'struct pfailover' declared inside parameter list
            struct pfailover **pfailover);
                   ^
>> include/net/failover.h:78:16: warning: its scope is only this definition or declaration, which is probably not what you want
   include/net/failover.h:79:1: error: expected identifier or '(' before '{' token
    {
    ^
   include/net/failover.h:65:5: warning: 'failover_create' used but never defined
    int failover_create(struct net_device *standby_dev,
        ^
   include/net/failover.h:77:5: warning: 'failover_register' declared 'static' but never defined [-Wunused-function]
    int failover_register(struct net_device *standby_dev, struct failover_ops *ops,
        ^

vim +78 include/net/failover.h

891cac68 Sridhar Samudrala 2018-04-19  63  
891cac68 Sridhar Samudrala 2018-04-19  64  static inline
891cac68 Sridhar Samudrala 2018-04-19  65  int failover_create(struct net_device *standby_dev,
891cac68 Sridhar Samudrala 2018-04-19  66  		    struct failover **pfailover);
891cac68 Sridhar Samudrala 2018-04-19 @67  {
891cac68 Sridhar Samudrala 2018-04-19  68  	return 0;
891cac68 Sridhar Samudrala 2018-04-19  69  }
891cac68 Sridhar Samudrala 2018-04-19  70  
891cac68 Sridhar Samudrala 2018-04-19  71  static inline
891cac68 Sridhar Samudrala 2018-04-19  72  void failover_destroy(struct failover *failover)
891cac68 Sridhar Samudrala 2018-04-19  73  {
891cac68 Sridhar Samudrala 2018-04-19  74  }
891cac68 Sridhar Samudrala 2018-04-19  75  
891cac68 Sridhar Samudrala 2018-04-19  76  static inline
891cac68 Sridhar Samudrala 2018-04-19  77  int failover_register(struct net_device *standby_dev, struct failover_ops *ops,
891cac68 Sridhar Samudrala 2018-04-19 @78  		      struct pfailover **pfailover);
891cac68 Sridhar Samudrala 2018-04-19  79  {
891cac68 Sridhar Samudrala 2018-04-19  80  	return 0;
891cac68 Sridhar Samudrala 2018-04-19  81  }
891cac68 Sridhar Samudrala 2018-04-19  82  

:::::: The code at line 78 was first introduced by commit
:::::: 891cac68e9283c9561d0097af77e7189b9752719 net: Introduce generic failover module

:::::: TO: Sridhar Samudrala <sridhar.samudrala@...el.com>
:::::: CC: 0day robot <fengguang.wu@...el.com>

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