diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c
index ac1ec170fd26a84d068abdd4f5a9f83cdbe50fc2..7c383d9cc4727344a2a28d627e016c09fba7841b 100644
--- a/drivers/ide/pci/sl82c105.c
+++ b/drivers/ide/pci/sl82c105.c
@@ -349,7 +349,7 @@ static unsigned int sl82c105_bridge_revision(struct pci_dev *dev)
 	/*
 	 * The bridge should be part of the same device, but function 0.
 	 */
-	bridge = pci_find_slot(dev->bus->number,
+	bridge = pci_get_bus_and_slot(dev->bus->number,
 			       PCI_DEVFN(PCI_SLOT(dev->devfn), 0));
 	if (!bridge)
 		return -1;
@@ -359,13 +359,15 @@ static unsigned int sl82c105_bridge_revision(struct pci_dev *dev)
 	 */
 	if (bridge->vendor != PCI_VENDOR_ID_WINBOND ||
 	    bridge->device != PCI_DEVICE_ID_WINBOND_83C553 ||
-	    bridge->class >> 8 != PCI_CLASS_BRIDGE_ISA)
+	    bridge->class >> 8 != PCI_CLASS_BRIDGE_ISA) {
+	    	pci_dev_put(bridge);
 		return -1;
-
+	}
 	/*
 	 * We need to find function 0's revision, not function 1
 	 */
 	pci_read_config_byte(bridge, PCI_REVISION_ID, &rev);
+	pci_dev_put(bridge);
 
 	return rev;
 }