parport_serial: fix PCI must_checks

drivers/parport/parport_serial.c:402: warning: ignoring return value of 'pci_enable_device', declared with attribute warn_unused_result

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/parport/parport_serial.c b/drivers/parport/parport_serial.c
index e06223c..90ea3b8 100644 (file)
--- a/drivers/parport/parport_serial.c
+++ b/drivers/parport/parport_serial.c
@@ -392,6 +392,7 @@ static int parport_serial_pci_suspend(struct pci_dev *dev, pm_message_t state)
 static int parport_serial_pci_resume(struct pci_dev *dev)
 {
        struct parport_serial_private *priv = pci_get_drvdata(dev);
+       int err;
 
        pci_set_power_state(dev, PCI_D0);
        pci_restore_state(dev);
@@ -399,7 +400,12 @@ static int parport_serial_pci_resume(struct pci_dev *dev)
        /*
         * The device may have been disabled.  Re-enable it.
         */
-       pci_enable_device(dev);
+       err = pci_enable_device(dev);
+       if (err) {
+               printk(KERN_ERR "parport_serial: %s: error enabling "
+                       "device for resume (%d)\n", pci_name(dev), err);
+               return err;
+       }
 
        if (priv->serial)
                pciserial_resume_ports(priv->serial);