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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>
This commit is contained in:
Dwight Engen 2014-12-11 12:25:42 -05:00 committed by David S. Miller
parent 92f268eefe
commit 31f4888f51
1 changed files with 11 additions and 0 deletions
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11
drivers/block/sunvdc.c
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@ -896,8 +896,19 @@ static int vdc_port_remove(struct vio_dev *vdev)
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);