Staging: hv: netvsc_drv: Make the function netvsc_linkstatus_callback() non-static

In preparation to getting rid of struct netvsc_driver,
make the function netvsc_linkstatus_callback()  non-static.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/hyperv_net.h

@@ -120,6 +120,8 @@ int netvsc_device_add(struct hv_device *device, void *additional_info);
 int netvsc_device_remove(struct hv_device *device);
 int netvsc_send(struct hv_device *device,
 		struct hv_netvsc_packet *packet);
+void netvsc_linkstatus_callback(struct hv_device *device_obj,
+				unsigned int status);
 int netvsc_initialize(struct hv_driver *drv);
 int rndis_filter_open(struct hv_device *dev);
 int rndis_filter_close(struct hv_device *dev);

drivers/staging/hv/netvsc_drv.c

@@ -205,7 +205,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
 /*
  * netvsc_linkstatus_callback - Link up/down notification
  */
-static void netvsc_linkstatus_callback(struct hv_device *device_obj,
+void netvsc_linkstatus_callback(struct hv_device *device_obj,
 				       unsigned int status)
 {
 	struct net_device *net = dev_get_drvdata(&device_obj->device);