diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 9c2515f67de5..752e7d2f3b2f 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1652,7 +1652,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev,
 		u8 tmp;
 		pci_read_config_byte(pdev, PIIX_SCC, &tmp);
 		if (tmp == PIIX_AHCI_DEVICE) {
-			int rc = piix_disable_ahci(pdev);
+			rc = piix_disable_ahci(pdev);
 			if (rc)
 				return rc;
 		}