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>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/parport/parport_serial.c b/drivers/parport/parport_serial.c
index e06223cf6c26..90ea3b8b99b0 100644
--- 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);