virNodeDeviceListCaps will always return empty for a pci nodedevice, actually it should return 'pci'. It is because the loop variable ncaps isn't increased. https://bugzilla.redhat.com/show_bug.cgi?id=1081932 Signed-off-by: Jincheng Miao <jmiao(a)redhat.com&gt; --- src/node_device/node_device_driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/node_device/node_device_driver.c b/src/node_device/node_device_driver.c index 1f3a083..6906463 100644 --- a/src/node_device/node_device_driver.c +++ b/src/node_device/node_device_driver.c @@ -420,7 +420,7 @@ nodeDeviceListCaps(virNodeDevicePtr dev, char **const names, int maxnames) goto cleanup; for (caps = obj->def->caps; caps && ncaps < maxnames; caps = caps->next) { - if (VIR_STRDUP(names[ncaps], virNodeDevCapTypeToString(caps->type)) < 0) + if (VIR_STRDUP(names[ncaps++], virNodeDevCapTypeToString(caps->type)) < 0) goto cleanup; } ret = ncaps; -- 1.8.2.1