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[SCSI] ibmvfc: Fix locking in ibmvfc_remove 

Need to grab the host lock around the call to ibmvfc_link_down.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Brian King 2009-10-19 15:07:48 -05:00 committed by James Bottomley
parent 230934a6fe
commit 7043110550
1 changed files with 4 additions and 0 deletions
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4
drivers/scsi/ibmvscsi/ibmvfc.c
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@ -4420,7 +4420,11 @@ static int ibmvfc_remove(struct vio_dev *vdev)
ENTER;
ibmvfc_remove_trace_file(&vhost->host->shost_dev.kobj, &ibmvfc_trace_attr);
spin_lock_irqsave(vhost->host->host_lock, flags);
ibmvfc_link_down(vhost, IBMVFC_HOST_OFFLINE);
spin_unlock_irqrestore(vhost->host->host_lock, flags);
ibmvfc_wait_while_resetting(vhost);
ibmvfc_release_crq_queue(vhost);
kthread_stop(vhost->work_thread);