Hi Anjali,

[auto build test ERROR on net/master]
[also build test ERROR on v4.4-rc2 next-20151123]

url:    https://github.com/0day-ci/linux/commits/Anjali-Singhai-Jain/Generalize-udp-based-tunnels-and-add-geneve-offload/20151124-044959
config: i386-randconfig-x006-11230317 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   In file included from drivers/net/ethernet/intel/ixgbe/ixgbe_main.c:53:0:
   include/net/udp_tunnel.h: In function 'udp_tunnel_handle_offloads':

quoted

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 [off-list ref]
:::::: CC: David S. Miller [off-list ref]

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