diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c
index 88984b803d6d..520d5a31f8a2 100644
--- a/drivers/ata/pata_via.c
+++ b/drivers/ata/pata_via.c
@@ -526,7 +526,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		.port_ops = &via_port_ops
 	};
 	const struct ata_port_info *ppi[] = { NULL, NULL };
-	struct pci_dev *isa = NULL;
+	struct pci_dev *isa;
 	const struct via_isa_bridge *config;
 	static int printed_version;
 	u8 enable;
@@ -551,14 +551,12 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		if ((isa = pci_get_device(PCI_VENDOR_ID_VIA +
 			!!(config->flags & VIA_BAD_ID),
 			config->id, NULL))) {
-
-			if (isa->revision >= config->rev_min &&
-			    isa->revision <= config->rev_max)
-				break;
+			u8 rev = isa->revision;
 			pci_dev_put(isa);
-		}
 
-	pci_dev_put(isa);
+			if (rev >= config->rev_min && rev <= config->rev_max)
+				break;
+		}
 
 	if (!(config->flags & VIA_NO_ENABLES)) {
 		/* 0x40 low bits indicate enabled channels */