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scsi: scsi_transport_fc: return -EBUSY for deleted vport

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When trying to delete a vport via 'vport_delete' sysfs attribute we
should be checking if the port is already in state VPORT_DELETING; if so
there's no need to do anything.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Hannes Reinecke 2017-07-24 12:09:36 +02:00 committed by Martin K. Petersen
parent 5029271072
commit 260f4aeddb
1 changed files with 4 additions and 2 deletions
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6
drivers/scsi/scsi_transport_fc.c
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@ -1286,7 +1286,7 @@ store_fc_vport_delete(struct device *dev, struct device_attribute *attr,
unsigned long flags;
spin_lock_irqsave(shost->host_lock, flags);
if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING)) {
if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING | FC_VPORT_DELETING)) {
spin_unlock_irqrestore(shost->host_lock, flags);
return -EBUSY;
}
@ -2430,8 +2430,10 @@ fc_remove_host(struct Scsi_Host *shost)
spin_lock_irqsave(shost->host_lock, flags);
/* Remove any vports */
list_for_each_entry_safe(vport, next_vport, &fc_host->vports, peers)
list_for_each_entry_safe(vport, next_vport, &fc_host->vports, peers) {
vport->flags |= FC_VPORT_DELETING;
fc_queue_work(shost, &vport->vport_delete_work);
}
/* Remove any remote ports */
list_for_each_entry_safe(rport, next_rport,