[net-next:master 1211/1214] drivers/infiniband/hw/mlx5/main.c:118:69: sparse: incorrect type in argument 2 (different base types)

[kbuild test robot]

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head:   bb62f791f922254dc1847d3d0b77c9b066d5280b
commit: 1b5daf11b015123108686a9060ee6de705a03e76 [1211/1214] IB/mlx5: Avoid 
using the MAD_IFC command under ISSI > 0 mode
reproduce:
  # apt-get install sparse
  git checkout 1b5daf11b015123108686a9060ee6de705a03e76
  make ARCH=x86_64 allmodconfig
  make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/infiniband/hw/mlx5/main.c:118:69: sparse: incorrect type in argument 
>> 2 (different base types)
   drivers/infiniband/hw/mlx5/main.c:118:69:    expected restricted __be64 
[usertype] *sys_image_guid
   drivers/infiniband/hw/mlx5/main.c:118:69:    got unsigned long long 
*<noident>

vim +118 drivers/infiniband/hw/mlx5/main.c

   102  }
   103  
   104  static int mlx5_query_system_image_guid(struct ib_device *ibdev,
   105                                          __be64 *sys_image_guid)
   106  {
   107          struct mlx5_ib_dev *dev = to_mdev(ibdev);
   108          struct mlx5_core_dev *mdev = dev->mdev;
   109          u64 tmp;
   110          int err;
   111  
   112          switch (mlx5_get_vport_access_method(ibdev)) {
   113          case MLX5_VPORT_ACCESS_METHOD_MAD:
   114                  return mlx5_query_mad_ifc_system_image_guid(ibdev,
   115                                                              
sys_image_guid);
   116  
   117          case MLX5_VPORT_ACCESS_METHOD_HCA:
 > 118                  err = mlx5_query_hca_vport_system_image_guid(mdev, 
 > &tmp);
   119                  if (!err)
   120                          *sys_image_guid = cpu_to_be64(tmp);
   121                  return err;
   122  
   123          default:
   124                  return -EINVAL;
   125          }
   126  }

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