* uint16_t ext_cap_size
*/
-static uint16_t pcie_find_capability_list(PCIDevice *dev, uint16_t cap_id,
+/* Passing a cap_id value > 0xffff will return 0 and put end of list in prev */
+static uint16_t pcie_find_capability_list(PCIDevice *dev, uint32_t cap_id,
uint16_t *prev_p)
{
uint16_t prev = 0;
} else {
uint16_t prev;
- /* 0 is reserved cap id. use internally to find the last capability
- in the linked list */
- next = pcie_find_capability_list(dev, 0, &prev);
+ /*
+ * 0xffffffff is not a valid cap id (it's a 16 bit field). use
+ * internally to find the last capability in the linked list.
+ */
+ next = pcie_find_capability_list(dev, 0xffffffff, &prev);
assert(prev >= PCI_CONFIG_SPACE_SIZE);
assert(next == 0);