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Date:	Mon, 7 Dec 2015 05:32:59 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Anjali Singhai Jain <anjali.singhai@...el.com>
Cc:	kbuild-all@...org, netdev@...r.kernel.org, jesse@...nel.org,
	Anjali Singhai Jain <anjali.singhai@...el.com>,
	Kiran Patil <kiran.patil@...el.com>
Subject: Re: [PATCH v2] net: Generalize udp based tunnel offload

Hi Anjali,

[auto build test ERROR on net/master]
[also build test ERROR on v4.4-rc3 next-20151203]

url:    https://github.com/0day-ci/linux/commits/Anjali-Singhai-Jain/net-Generalize-udp-based-tunnel-offload/20151124-090500
config: x86_64-randconfig-s0-12070507 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   In file included from drivers/net/ethernet/emulex/benet/be_main.c:26:0:
   include/net/udp_tunnel.h: In function 'udp_tunnel_handle_offloads':
>> include/net/udp_tunnel.h:112:9: error: implicit declaration of function 'iptunnel_handle_offloads' [-Werror=implicit-function-declaration]
     return iptunnel_handle_offloads(skb, udp_csum, type);
            ^
   include/net/udp_tunnel.h:112:9: warning: return makes pointer from integer without a cast [-Wint-conversion]
   cc1: some warnings being treated as errors

vim +/iptunnel_handle_offloads +112 include/net/udp_tunnel.h

c29a70d2 Pravin B Shelar 2015-08-26  106  
6a93cc90 Andy Zhou       2014-09-16  107  static inline struct sk_buff *udp_tunnel_handle_offloads(struct sk_buff *skb,
6a93cc90 Andy Zhou       2014-09-16  108  							 bool udp_csum)
6a93cc90 Andy Zhou       2014-09-16  109  {
6a93cc90 Andy Zhou       2014-09-16  110  	int type = udp_csum ? SKB_GSO_UDP_TUNNEL_CSUM : SKB_GSO_UDP_TUNNEL;
6a93cc90 Andy Zhou       2014-09-16  111  
6a93cc90 Andy Zhou       2014-09-16 @112  	return iptunnel_handle_offloads(skb, udp_csum, type);
6a93cc90 Andy Zhou       2014-09-16  113  }
6a93cc90 Andy Zhou       2014-09-16  114  
cfdf1e1b Jesse Gross     2014-11-10  115  static inline void udp_tunnel_gro_complete(struct sk_buff *skb, int nhoff)

:::::: The code at line 112 was first introduced by commit
:::::: 6a93cc9052748c6355ec9d5b6c38b77f85f1cb0d udp-tunnel: Add a few more UDP tunnel APIs

:::::: TO: Andy Zhou <azhou@...ira.com>
:::::: CC: David S. Miller <davem@...emloft.net>

---
0-DAY kernel test infrastructure                Open Source Technology Center
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Download attachment ".config.gz" of type "application/octet-stream" (30654 bytes)

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