diff mbox

scsi_transport_fc: return -EBUSY for deleted vport

Message ID 1500890976-7992-1-git-send-email-hare@suse.de (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Hannes Reinecke July 24, 2017, 10:09 a.m. UTC 
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>
---
 drivers/scsi/scsi_transport_fc.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Comments

Martin K. Petersen July 25, 2017, 2:17 a.m. UTC | #1 
Hannes,

> 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.

Applied to 4.13/scsi-fixes. Thank you!
diff mbox

Patch

diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 6dd0922..ec9837e 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -1286,7 +1286,7 @@  static FC_DEVICE_ATTR(vport, symbolic_name, S_IRUGO | S_IWUSR,
 	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 @@  void fc_release_transport(struct scsi_transport_template *t)
 	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,