Index: sys/compat/linuxkpi/common/include/linux/pci.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/pci.h
+++ sys/compat/linuxkpi/common/include/linux/pci.h
@@ -221,6 +221,7 @@
 {
 	struct pci_dev *pdev;
 
+	pdev = list_entry(&pci_devices, typeof(*pdev), links);
 	spin_lock(&pci_lock);
 	list_for_each_entry(pdev, &pci_devices, links) {
 		if (irq == pdev->dev.irq)
@@ -229,7 +230,7 @@
 			break;
 	}
 	spin_unlock(&pci_lock);
-	if (pdev)
+	if (&pdev->links != &pci_devices)
 		return &pdev->dev;
 	return (NULL);
 }