qla2xxx: Disable PCI device in shutdown handler.

Disable the PCI device during shutdown to prevent any races with
other PCI code such as the AER handling code.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index daabf8c..2c3c6af 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3032,6 +3032,9 @@
 	qla2x00_free_irqs(vha);
 
 	qla2x00_free_fw_dump(ha);
+
+	pci_disable_pcie_error_reporting(pdev);
+	pci_disable_device(pdev);
 }
 
 /* Deletes all the virtual ports for a given ha */