diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index b93605616d4e4ee96a2f4790c07c771d06da8af0..12ddeb44db4ffd373d0c67410ddfa6f07ebed1a1 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -513,6 +513,9 @@ int pci_find_next_ext_capability(struct pci_dev *dev, int start, int cap)
 		return 0;
 
 	while (ttl-- > 0) {
+		if (header == 0xffffffff)
+			return 0;
+
 		if (PCI_EXT_CAP_ID(header) == cap && pos != start)
 			return pos;