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Date:	Fri, 8 Jan 2016 20:24:15 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Konstantin Khlebnikov <koct9i@...il.com>
Cc:	kbuild-all@...org, netdev@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>, dev@...nvswitch.org,
	Thadeu Lima de Souza Cascardo <cascardo@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Florian Westphal <fw@...len.de>, linux-kernel@...r.kernel.org,
	Pravin Shelar <pshelar@...ira.com>,
	Cong Wang <xiyou.wangcong@...il.com>
Subject: Re: [PATCH] net: preserve IP control block during GSO segmentation

Hi Konstantin,

[auto build test ERROR on net/master]
[also build test ERROR on v4.4-rc8 next-20160108]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Konstantin-Khlebnikov/net-preserve-IP-control-block-during-GSO-segmentation/20160108-200335
config: xtensa-allyesconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=xtensa 

All errors (new ones prefixed by >>):

   net/openvswitch/datapath.c: In function 'queue_gso_packets':
>> net/openvswitch/datapath.c:360:18: error: 'ovs_cb' undeclared (first use in this function)
      *OVS_CB(skb) = ovs_cb;
                     ^
   net/openvswitch/datapath.c:360:18: note: each undeclared identifier is reported only once for each function it appears in

vim +/ovs_cb +360 net/openvswitch/datapath.c

e8eedb85 Pravin B Shelar 2014-11-06  354  		later_key.ip.frag = OVS_FRAG_TYPE_LATER;
e8eedb85 Pravin B Shelar 2014-11-06  355  	}
e8eedb85 Pravin B Shelar 2014-11-06  356  
ccb1352e Jesse Gross     2011-10-25  357  	/* Queue all of the segments. */
ccb1352e Jesse Gross     2011-10-25  358  	skb = segs;
ccb1352e Jesse Gross     2011-10-25  359  	do {
e8eedb85 Pravin B Shelar 2014-11-06 @360  		*OVS_CB(skb) = ovs_cb;
e8eedb85 Pravin B Shelar 2014-11-06  361  		if (gso_type & SKB_GSO_UDP && skb != segs)
e8eedb85 Pravin B Shelar 2014-11-06  362  			key = &later_key;
e8eedb85 Pravin B Shelar 2014-11-06  363  

:::::: The code at line 360 was first introduced by commit
:::::: e8eedb85bd238613332570ac6ae683fee94fbe36 openvswitch: Remove redundant key ref from upcall_info.

:::::: TO: Pravin B Shelar <pshelar@...ira.com>
:::::: CC: Pravin B Shelar <pshelar@...ira.com>

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