PCI: pciserial_resume_one ignored return value of pci_enable_device

[PATCH] pciserial_resume_one ignored return value of pci_enable_device
Signed-off-by: NDirk Hohndel <hohndel@linux.intel.com>
Acked-by: NAlan Cox <alan@redhat.com>
Acked-by: NJeff Garzik <jeff@garzik.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/serial/8250_pci.c

@@ -1986,6 +1986,7 @@ static int pciserial_suspend_one(struct pci_dev *dev, pm_message_t state)
 
 static int pciserial_resume_one(struct pci_dev *dev)
 {
+	int err;
 	struct serial_private *priv = pci_get_drvdata(dev);
 
 	pci_set_power_state(dev, PCI_D0);
@@ -1995,7 +1996,9 @@ static int pciserial_resume_one(struct pci_dev *dev)
 		/*
 		 * The device may have been disabled.  Re-enable it.
 		 */
-		pci_enable_device(dev);
+		err = pci_enable_device(dev);
+		if (err)
+			return err;
 
 		pciserial_resume_ports(priv);
 	}