netdev - Re: [RFT v3] geneve: implement support for IPv6-based tunnels

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Date:	Thu, 1 Oct 2015 09:55:42 +0800
From:	kbuild test robot <lkp@...el.com>
To:	"John W. Linville" <linville@...driver.com>
Cc:	kbuild-all@...org, netdev@...r.kernel.org,
	Pravin B Shelar <pshelar@...ira.com>,
	Jesse Gross <jesse@...ira.com>, Jiri Benc <jbenc@...hat.com>,
	davem@...emloft.net, "John W. Linville" <linville@...driver.com>
Subject: Re: [RFT v3] geneve: implement support for IPv6-based tunnels

Hi John,

[auto build test results on v4.3-rc3 -- if it's inappropriate base, please ignore]

config: x86_64-randconfig-s2-10010927 (attached as .config)
reproduce:
        git checkout c1211d3ada9fc6f89f657c1d9c870de3baff506e
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   drivers/net/geneve.c: In function 'geneve_rx':
>> drivers/net/geneve.c:185:3: error: 'ip6h' undeclared (first use in this function)
      ip6h = ipv6_hdr(skb); /* outer IPv6 header... */
      ^
   drivers/net/geneve.c:185:3: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/net/geneve.c:189:4: error: 'addr6' undeclared (first use in this function)
       addr6 = zero_addr6;
       ^
>> drivers/net/geneve.c:189:12: error: 'zero_addr6' undeclared (first use in this function)
       addr6 = zero_addr6;
               ^
>> drivers/net/geneve.c:196:12: error: implicit declaration of function 'geneve6_lookup' [-Werror=implicit-function-declaration]
      geneve = geneve6_lookup(gs, addr6, vni);
               ^
   cc1: some warnings being treated as errors

vim +/ip6h +185 drivers/net/geneve.c

   179	
   180				addr = iph->saddr;
   181			}
   182	
   183			geneve = geneve_lookup(gs, addr, vni);
   184		} else if (sa_family == AF_INET6) {
 > 185			ip6h = ipv6_hdr(skb); /* outer IPv6 header... */
   186	
   187			if (gs->collect_md) {
   188				vni = zero_vni;
 > 189				addr6 = zero_addr6;
   190			} else {
   191				vni = gnvh->vni;
   192	
   193				addr6 = ip6h->saddr;
   194			}
   195	
 > 196			geneve = geneve6_lookup(gs, addr6, vni);
   197		}
   198		if (!geneve)
   199			goto drop;

---
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Download attachment ".config.gz" of type "application/octet-stream" (26170 bytes)