[SCSI] lpfc 8.1.7 : Short bug fixes

Short bug fixes:
 - Fix iocbq list corruption due to missing list_del's in ct handling
 - Missing unlock in lpfc_sli_next_iotag()
 - Fix initialization of can_queue value
 - Differentiate sysfs mailbox errors with different codes.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index ef47b824cbed..16dc8c82b5ce 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1616,7 +1616,11 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
                 goto out_free_iocbq;
         }
 
-        /* We can rely on a queue depth attribute only after SLI HBA setup */
+        /*
+         * Set initial can_queue value since 0 is no longer supported and
+         * scsi_add_host will fail. This will be adjusted later based on the
+         * max xri value determined in hba setup.
+         */
         host->can_queue = phba->cfg_hba_queue_depth - 10;
 
         /* Tell the midlayer we support 16 byte commands */
@@ -1656,6 +1660,12 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
                 goto out_free_irq;
         }
 
+        /*
+         * hba setup may have changed the hba_queue_depth so we need to adjust
+         * the value of can_queue.
+         */
+        host->can_queue = phba->cfg_hba_queue_depth - 10;
+
         lpfc_discovery_wait(phba);
 
         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {