Staging: hv: Cleanup blkvsc_remove()

blkvsc_remove() cannot fail. Clean it up accordingly.
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: NHank Janssen <hjanssen@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/blkvsc_drv.c

@@ -556,22 +556,12 @@ static int blkvsc_remove(struct device *device)
 	struct hv_device *device_obj = device_to_hv_device(device);
 	struct block_device_context *blkdev = dev_get_drvdata(device);
 	unsigned long flags;
-	int ret;
-
-
-	if (!storvsc_drv_obj->base.dev_rm)
-		return -1;
 
 	/*
 	 * Call to the vsc driver to let it know that the device is being
 	 * removed
 	 */
-	ret = storvsc_drv_obj->base.dev_rm(device_obj);
-	if (ret != 0) {
-		/* TODO: */
-		DPRINT_ERR(BLKVSC_DRV,
-			   "unable to remove blkvsc device (ret %d)", ret);
-	}
+	storvsc_drv_obj->base.dev_rm(device_obj);
 
 	/* Get to a known state */
 	spin_lock_irqsave(&blkdev->lock, flags);
@@ -604,7 +594,8 @@ static int blkvsc_remove(struct device *device)
 
 	kfree(blkdev);
 
-	return ret;
+	return 0;
+
 }
 
 static void blkvsc_shutdown(struct device *device)