edac: i5400: carefull error handling

-EIO is not the only error code that pci_enable_device() may return, also the set of errors can be enhanced in future. We should compare return code with zero, not with concrete error value.

---
 drivers/edac/i5400_edac.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

index 010c1d6..38a9be9 100644
@@ -1348,7 +1348,7 @@ static int __devinit i5400_init_one(struct pci_dev *pdev,
 
 	/* wake up device */
 	rc = pci_enable_device(pdev);
-	if (rc = -EIO)
+	if (rc)
 		return rc;
 
 	/* now probe and enable the device */

1.7.0.4