[SCSI] lpfc 8.2.8 : Miscellaneous Bug Fixes

Miscellaneous Fixes:
- Fix the wrong variable name used for checking node active usage status
- Fix numerous duplicate log message numbers
- Fix change KERN_WARNING messages to KERN_INFO.
- Stop sending erroneous LOGO to fabric after vport is already terminated
- Fix HBQ allocates that were kalloc'ing w/ GFP_KERNEL while holding a lock.
- Fix gcc 4.3.2 compiler warnings and a sparse warning
- Fix bugs in handling unsolicited ct event queue
- Reorder some of the initial link up checks, to remove odd VPI states.
- Correct poor VPI handling
- Add debug messages
- Expand Update_CFG mailbox definition
- Fix handling of VPD data offsets
- Reorder loopback flags
- convert to use offsetof()

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 11 insertions, 3 deletions

diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index ad0f6531387..2578d5fd953 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -577,8 +577,12 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
 	 * initiated after we've disposed of all other resources associated
 	 * with the port.
 	 */
-	if (!scsi_host_get(shost) || !scsi_host_get(shost))
+	if (!scsi_host_get(shost))
 		return VPORT_INVAL;
+	if (!scsi_host_get(shost)) {
+		scsi_host_put(shost);
+		return VPORT_INVAL;
+	}
 	spin_lock_irq(&phba->hbalock);
 	vport->load_flag |= FC_UNLOADING;
 	spin_unlock_irq(&phba->hbalock);
@@ -668,6 +672,8 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
 		}
 		vport->unreg_vpi_cmpl = VPORT_INVAL;
 		timeout = msecs_to_jiffies(phba->fc_ratov * 2000);
+		if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
+			goto skip_logo;
 		if (!lpfc_issue_els_npiv_logo(vport, ndlp))
 			while (vport->unreg_vpi_cmpl == VPORT_INVAL && timeout)
 				timeout = schedule_timeout(timeout);
@@ -689,8 +695,10 @@ skip_logo:
 		 * Completion of unreg_vpi (lpfc_mbx_cmpl_unreg_vpi)
 		 * does the scsi_host_put() to release the vport.
 		 */
-		lpfc_mbx_unreg_vpi(vport);
-	}
+		if (lpfc_mbx_unreg_vpi(vport))
+			scsi_host_put(shost);
+	} else
+		scsi_host_put(shost);
 
 	lpfc_free_vpi(phba, vport->vpi);
 	vport->work_port_events = 0;