[net-next:master 904/905] drivers/net/ethernet/mellanox/mlx5/core/en_rx.c:173:44: sparse: incorrect type in argument 1 (different base types)

[kbuild test robot]

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head:   9cd3778cd7e8f165675705511cfcd4ea6eb88d27
commit: bbceefce9adfc9cf7b4110727c96c841ba8c7964 [904/905] net/mlx5e: Support 
RX CHECKSUM_COMPLETE
reproduce:
  # apt-get install sparse
  git checkout bbceefce9adfc9cf7b4110727c96c841ba8c7964
  make ARCH=x86_64 allmodconfig
  make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/net/ethernet/mellanox/mlx5/core/en_rx.c:173:44: sparse: incorrect 
>> type in argument 1 (different base types)
   drivers/net/ethernet/mellanox/mlx5/core/en_rx.c:173:44:    expected 
restricted __sum16 [usertype] n
   drivers/net/ethernet/mellanox/mlx5/core/en_rx.c:173:44:    got restricted 
__be16 [usertype] check_sum

vim +173 drivers/net/ethernet/mellanox/mlx5/core/en_rx.c

   157  
   158          return (ethertype == htons(ETH_P_IP) || ethertype == 
htons(ETH_P_IPV6));
   159  }
   160  
   161  static inline void mlx5e_handle_csum(struct net_device *netdev,
   162                                       struct mlx5_cqe64 *cqe,
   163                                       struct mlx5e_rq *rq,
   164                                       struct sk_buff *skb)
   165  {
   166          if (unlikely(!(netdev->features & NETIF_F_RXCSUM)))
   167                  goto csum_none;
   168  
   169          if (likely(cqe->hds_ip_ext & CQE_L4_OK)) {
   170                  skb->ip_summed = CHECKSUM_UNNECESSARY;
   171          } else if (is_first_ethertype_ip(skb)) {
   172                  skb->ip_summed = CHECKSUM_COMPLETE;
 > 173                  skb->csum = csum_unfold(cqe->check_sum);
   174                  rq->stats.csum_sw++;
   175          } else {
   176                  goto csum_none;
   177          }
   178  
   179          return;
   180  
   181  csum_none:

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