Staging: hv: vmbus: Get rid of an unused function in connection.c

Get rid of an unused function in connection.c

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: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/connection.c

@@ -185,44 +185,6 @@ cleanup:
 	return ret;
 }
 
-/*
- * vmbus_disconnect -
- * Sends a disconnect request on the partition service connection
- */
-int vmbus_disconnect(void)
-{
-	int ret = 0;
-	struct vmbus_channel_message_header *msg;
-
-	/* Make sure we are connected */
-	if (vmbus_connection.conn_state != CONNECTED)
-		return -1;
-
-	msg = kzalloc(sizeof(struct vmbus_channel_message_header), GFP_KERNEL);
-	if (!msg)
-		return -ENOMEM;
-
-	msg->msgtype = CHANNELMSG_UNLOAD;
-
-	ret = vmbus_post_msg(msg,
-			       sizeof(struct vmbus_channel_message_header));
-	if (ret != 0)
-		goto cleanup;
-
-	free_pages((unsigned long)vmbus_connection.int_page, 0);
-	free_pages((unsigned long)vmbus_connection.monitor_pages, 1);
-
-	/* TODO: iterate thru the msg list and free up */
-	destroy_workqueue(vmbus_connection.work_queue);
-
-	vmbus_connection.conn_state = DISCONNECTED;
-
-	pr_info("hv_vmbus disconnected\n");
-
-cleanup:
-	kfree(msg);
-	return ret;
-}
 
 /*
  * relid2channel - Get the channel object given its

drivers/staging/hv/hyperv_vmbus.h

@@ -619,8 +619,6 @@ struct vmbus_channel *relid2channel(u32 relid);
 
 int vmbus_connect(void);
 
-int vmbus_disconnect(void);
-
 int vmbus_post_msg(void *buffer, size_t buflen);
 
 int vmbus_set_event(u32 child_relid);