diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index ccd6d5a97ec3..cf131a3de61c 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -1409,8 +1409,6 @@ _base_enable_msix(struct MPT2SAS_ADAPTER *ioc)
 	int i;
 	u8 try_msix = 0;
 
-	INIT_LIST_HEAD(&ioc->reply_queue_list);
-
 	if (msix_disable == -1 || msix_disable == 0)
 		try_msix = 1;
 
@@ -1489,6 +1487,7 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
 	if (pci_enable_device_mem(pdev)) {
 		printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: "
 		    "failed\n", ioc->name);
+		ioc->bars = 0;
 		return -ENODEV;
 	}
 
@@ -1497,6 +1496,7 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
 	    MPT2SAS_DRIVER_NAME)) {
 		printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: "
 		    "failed\n", ioc->name);
+		ioc->bars = 0;
 		r = -ENODEV;
 		goto out_fail;
 	}
@@ -4229,18 +4229,25 @@ mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc)
 	dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
 	    __func__));
 
-	_base_mask_interrupts(ioc);
-	ioc->shost_recovery = 1;
-	_base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
-	ioc->shost_recovery = 0;
+	if (ioc->chip_phys && ioc->chip) {
+		_base_mask_interrupts(ioc);
+		ioc->shost_recovery = 1;
+		_base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
+		ioc->shost_recovery = 0;
+	}
+
 	_base_free_irq(ioc);
 	_base_disable_msix(ioc);
-	if (ioc->chip_phys)
+
+	if (ioc->chip_phys && ioc->chip)
 		iounmap(ioc->chip);
 	ioc->chip_phys = 0;
-	pci_release_selected_regions(ioc->pdev, ioc->bars);
-	pci_disable_pcie_error_reporting(pdev);
-	pci_disable_device(pdev);
+
+	if (pci_is_enabled(pdev)) {
+		pci_release_selected_regions(ioc->pdev, ioc->bars);
+		pci_disable_pcie_error_reporting(pdev);
+		pci_disable_device(pdev);
+	}
 	return;
 }
 
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 51004768d0f5..389d79290861 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -8175,6 +8175,7 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
 	INIT_LIST_HEAD(&ioc->delayed_tr_list);
 	INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
+	INIT_LIST_HEAD(&ioc->reply_queue_list);
 
 	/* init shost parameters */
 	shost->max_cmd_len = 32;