netdev - Module compile error

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Date:   Sun, 10 Dec 2017 14:58:33 +0300
From:   Алексей Болдырев 
        <devel-net-ne-vlezay80@...dex.ru>
To:     netdev <netdev@...r.kernel.org>
Subject: Module compile error

 CC [M]  drivers/net/ethernet/intel/ixgbe/ixgbe_main.o
In file included from ./include/net/vxlan.h:6:0,
                 from drivers/net/ethernet/intel/ixgbe/ixgbe_main.c:60:
./include/net/dst_metadata.h: In function ‘skb_vpls_info’:
./include/net/dst_metadata.h:36:9: error: implicit declaration of function ‘skb_metadata_dst’ [-Werror=implicit-function-declaration]
  struct metadata_dst *md_dst = skb_metadata_dst(skb);
         ^
./include/net/dst_metadata.h:36:32: warning: initialization makes pointer from integer without a cast
  struct metadata_dst *md_dst = skb_metadata_dst(skb);
                                ^
./include/net/dst_metadata.h: At top level:
./include/net/dst_metadata.h:42:36: error: conflicting types for ‘skb_metadata_dst’
 static inline struct metadata_dst *skb_metadata_dst(struct sk_buff *skb)
                                    ^
./include/net/dst_metadata.h:36:32: note: previous implicit declaration of ‘skb_metadata_dst’ was here
  struct metadata_dst *md_dst = skb_metadata_dst(skb);
                                ^
cc1: some warnings being treated as errors
scripts/Makefile.build:302: recipe for target 'drivers/net/ethernet/intel/ixgbe/ixgbe_main.o' failed
make[5]: *** [drivers/net/ethernet/intel/ixgbe/ixgbe_main.o] Error 1
scripts/Makefile.build:561: recipe for target 'drivers/net/ethernet/intel/ixgbe' failed
make[4]: *** [drivers/net/ethernet/intel/ixgbe] Error 2
scripts/Makefile.build:561: recipe for target 'drivers/net/ethernet/intel' failed
make[3]: *** [drivers/net/ethernet/intel] Error 2
scripts/Makefile.build:561: recipe for target 'drivers/net/ethernet' failed
make[2]: *** [drivers/net/ethernet] Error 2
scripts/Makefile.build:561: recipe for target 'drivers/net' failed
make[1]: *** [drivers/net] Error 2
Makefile:1019: recipe for target 'drivers' failed
make: *** [drivers] Error 2

This patch is https://github.com/eqvinox/vpls-linux-kernel/commit/d9d8efec0760bcea54496e7a3ed45c72316ffb6b#diff-00c78c934b7e227c38ff1b1b571db9e6

What could be the problem?

Kernel: 4.13.16