sunvdc: fix module unload/reload
Free resources allocated during port/disk probing so that the module may be
successfully reloaded after unloading.
Signed-off-by: Dwight Engen <dwight.engen@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c
index 0ebadf9..089ff90 100644
--- a/drivers/block/sunvdc.c
+++ b/drivers/block/sunvdc.c
@@ -896,8 +896,19 @@
struct vdc_port *port = dev_get_drvdata(&vdev->dev);
if (port) {
+ unsigned long flags;
+
+ spin_lock_irqsave(&port->vio.lock, flags);
+ blk_stop_queue(port->disk->queue);
+ spin_unlock_irqrestore(&port->vio.lock, flags);
+
del_timer_sync(&port->vio.timer);
+ del_gendisk(port->disk);
+ blk_cleanup_queue(port->disk->queue);
+ put_disk(port->disk);
+ port->disk = NULL;
+
vdc_free_tx_ring(port);
vio_ldc_free(&port->vio);