return ret_val;
 }
 
-u32 netvsc_copy_to_send_buf(struct netvsc_device *net_device,
-                           unsigned int section_index,
-                           struct hv_netvsc_packet *packet)
+static u32 netvsc_copy_to_send_buf(struct netvsc_device *net_device,
+                                  unsigned int section_index,
+                                  struct hv_netvsc_packet *packet)
 {
        char *start = net_device->send_buf;
        char *dest = (start + (section_index * net_device->send_section_size));
 
        return ret;
 }
 
-int rndis_filter_set_offload_params(struct hv_device *hdev,
+static int
+rndis_filter_set_offload_params(struct hv_device *hdev,
                                struct ndis_offload_params *req_offloads)
 {
        struct netvsc_device *nvdev = hv_get_drvdata(hdev);
        0x6a, 0x42, 0xb7, 0x3b, 0xbe, 0xac, 0x01, 0xfa
 };
 
-int rndis_filter_set_rss_param(struct rndis_device *rdev, int num_queue)
+static int rndis_filter_set_rss_param(struct rndis_device *rdev, int num_queue)
 {
        struct net_device *ndev = rdev->net_dev->ndev;
        struct rndis_request *request;