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[SCSI] zfcp: fix queue, scheduled work processing.

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Ensure the refcounting is correct even if we were not able to
schedule a work. In addition we have to make sure no scheduled
work is pending while we're dequeing the adapter from the
systems environment.

Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Swen Schillig
2009-03-02 13:09:10 +01:00
committed by James Bottomley
parent 2cb5b2ca6d
commit 947a9aca86
2 changed files with 8 additions and 3 deletions
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drivers/s390/scsi/zfcp_aux.c
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@@ -554,6 +554,7 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
cancel_work_sync(&adapter->scan_work);
cancel_work_sync(&adapter->stat_work);
cancel_delayed_work_sync(&adapter->nsp.work);
zfcp_adapter_scsi_unregister(adapter);
sysfs_remove_group(&adapter->ccw_device->dev.kobj,
&zfcp_sysfs_adapter_attrs);