[SCSI] lpfc 8.2.2 : Fix locking around HBA's port_list
Cleans up a lot of bad behaviors that have been in this area a while
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index edbebff..43e2e33 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -390,17 +390,19 @@
return 0;
}
-static struct lpfc_vport *
+struct lpfc_vport *
lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
-
struct lpfc_vport *vport_curr;
+ unsigned long flags;
+ spin_lock_irqsave(&phba->hbalock, flags);
list_for_each_entry(vport_curr, &phba->port_list, listentry) {
- if ((vport_curr->fc_myDID) &&
- (vport_curr->fc_myDID == did))
+ if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
+ spin_unlock_irqrestore(&phba->hbalock, flags);
return vport_curr;
+ }
}
-
+ spin_unlock_irqrestore(&phba->hbalock, flags);
return NULL;
}