diff --git a/drivers/isdn/hisax/avm_pci.c b/drivers/isdn/hisax/avm_pci.c
--- a/drivers/isdn/hisax/avm_pci.c
+++ b/drivers/isdn/hisax/avm_pci.c
@@ -794,16 +794,20 @@ setup_avm_pcipnp(struct IsdnCard *card)
 	}
 #endif
 #ifdef CONFIG_PCI
-	if ((dev_avm = pci_find_device(PCI_VENDOR_ID_AVM,
+	if ((dev_avm = pci_get_device(PCI_VENDOR_ID_AVM,
 		PCI_DEVICE_ID_AVM_A1,  dev_avm))) {
-		if (pci_enable_device(dev_avm))
+		if (pci_enable_device(dev_avm)) {
+			pci_dev_put(dev_avm);
 			return(0);
+		}
 		cs->irq = dev_avm->irq;
 		if (!cs->irq) {
 			printk(KERN_ERR "FritzPCI: No IRQ for PCI card found\n");
+			pci_dev_put(dev_avm);
 			return(0);
 		}
 		cs->hw.avm.cfg_reg = pci_resource_start(dev_avm, 1);
+		pci_dev_put(dev_avm);
 		if (!cs->hw.avm.cfg_reg) {
 			printk(KERN_ERR "FritzPCI: No IO-Adr for PCI card found\n");
 			return(0);