netdev - Re: [PATCH cumulus-4.1.y 4/5] vxlan: don't flush static fdb entries on admin down

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Date:   Sat, 21 Jan 2017 17:25:30 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Roopa Prabhu <roopa@...ulusnetworks.com>
Cc:     kbuild-all@...org, davem@...emloft.net, netdev@...r.kernel.org,
        ramanb@...ulusnetworks.com, stephen@...workplumber.org,
        jbenc@...hat.com, pshelar@....org
Subject: Re: [PATCH cumulus-4.1.y 4/5] vxlan: don't flush static fdb entries
 on admin down

Hi Roopa,

[auto build test ERROR on net-next/master]
[also build test ERROR on v4.10-rc4 next-20170120]
[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/Roopa-Prabhu/vxlan-flush-fdb-entries-on-oper-down/20170121-163042
config: x86_64-randconfig-x017-201703 (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 >>):

   drivers/net/vxlan.c: In function 'vxlan_netdevice_event':
   drivers/net/vxlan.c:3295:27: error: 'vxlan_netdev_ops' undeclared (first use in this function)
      if (dev->netdev_ops == &vxlan_netdev_ops) {
                              ^~~~~~~~~~~~~~~~
   drivers/net/vxlan.c:3295:27: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/net/vxlan.c:3297:5: error: too few arguments to function 'vxlan_flush'
        vxlan_flush(netdev_priv(dev));
        ^~~~~~~~~~~
   drivers/net/vxlan.c:2368:13: note: declared here
    static void vxlan_flush(struct vxlan_dev *vxlan, int do_all)
                ^~~~~~~~~~~

vim +/vxlan_flush +3297 drivers/net/vxlan.c

acaf4e7099 Daniel Borkmann      2014-01-13  3289  
783c146335 Daniel Borkmann      2014-01-22  3290  	if (event == NETDEV_UNREGISTER)
acaf4e7099 Daniel Borkmann      2014-01-13  3291  		vxlan_handle_lowerdev_unregister(vn, dev);
7c46a640de Alexander Duyck      2016-06-16  3292  	else if (event == NETDEV_UDP_TUNNEL_PUSH_INFO)
b7aade1548 Hannes Frederic Sowa 2016-04-18  3293  		vxlan_push_rx_ports(dev);
d8ef10fd7d Balakrishnan Raman   2017-01-20  3294  	else if (event == NETDEV_CHANGE) {
d8ef10fd7d Balakrishnan Raman   2017-01-20 @3295  		if (dev->netdev_ops == &vxlan_netdev_ops) {
d8ef10fd7d Balakrishnan Raman   2017-01-20  3296  			if (netif_running(dev) && !netif_oper_up(dev))
d8ef10fd7d Balakrishnan Raman   2017-01-20 @3297  				vxlan_flush(netdev_priv(dev));
d8ef10fd7d Balakrishnan Raman   2017-01-20  3298  		}
d8ef10fd7d Balakrishnan Raman   2017-01-20  3299  	}
acaf4e7099 Daniel Borkmann      2014-01-13  3300  

:::::: The code at line 3297 was first introduced by commit
:::::: d8ef10fd7d083cc5551d83db6317a692fee076ba vxlan: flush fdb entries on oper down

:::::: TO: Balakrishnan Raman <ramanb@...ulusnetworks.com>
:::::: CC: 0day robot <fengguang.wu@...el.com>

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0-DAY kernel test infrastructure                Open Source Technology Center
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