[SCSI] qla2xxx: Correct slab-error overwrite during vport creation and deletion.

The clearing of a vha's req_ques were overrunning during vport
creation.  During deletion, vport queues should be torn-down
after all cleanup has occurred.

Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/qla2xxx/qla_attr.c

@@ -1265,13 +1265,6 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
 		msleep(1000);
 
-	if (ha->mqenable) {
-		if (qla25xx_delete_queues(vha, 0) != QLA_SUCCESS)
-			qla_printk(KERN_WARNING, ha,
-				"Queue delete failed.\n");
-		vha->req_ques[0] = ha->req_q_map[0]->id;
-	}
-
 	qla24xx_disable_vp(vha);
 
 	fc_remove_host(vha->host);
@@ -1293,6 +1286,12 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
 		    vha->host_no, vha->vp_idx, vha));
         }
 
+	if (ha->mqenable) {
+		if (qla25xx_delete_queues(vha, 0) != QLA_SUCCESS)
+			qla_printk(KERN_WARNING, ha,
+				"Queue delete failed.\n");
+	}
+
 	scsi_host_put(vha->host);
 	qla_printk(KERN_INFO, ha, "vport %d deleted\n", id);
 	return 0;

drivers/scsi/qla2xxx/qla_mid.c

@@ -396,7 +396,7 @@ qla24xx_create_vhost(struct fc_vport *fc_vport)
 
 	qla2x00_start_timer(vha, qla2x00_timer, WATCH_INTERVAL);
 
-	memset(vha->req_ques, 0, sizeof(vha->req_ques) * QLA_MAX_HOST_QUES);
+	memset(vha->req_ques, 0, sizeof(vha->req_ques));
 	vha->req_ques[0] = ha->req_q_map[0]->id;
 	host->can_queue = ha->req_q_map[0]->length + 128;
 	host->this_id = 255;