[PATCH 4/4] tests/qtest/usb-hcd-ehci-test: Check for EHCI and UHCI HCDs before using them

[Thomas Huth <thuth@redhat.com>]

The devices might not be available in the binary (e.g. when compiling
with "--without-default-devices"), so we have to check before we can
use them.

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 tests/qtest/usb-hcd-ehci-test.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/qtest/usb-hcd-ehci-test.c b/tests/qtest/usb-hcd-ehci-test.c
index c51e8bb223..87e37cdd7c 100644
--- a/tests/qtest/usb-hcd-ehci-test.c
+++ b/tests/qtest/usb-hcd-ehci-test.c
@@ -149,6 +149,11 @@ int main(int argc, char **argv)
 
     g_test_init(&argc, &argv, NULL);
 
+    if (!qtest_has_device("ich9-usb-ehci1") ||
+        !qtest_has_device("ich9-usb-uhci1")) {
+        return 0;
+    }
+
     qtest_add_func("/ehci/pci/uhci-port-1", pci_uhci_port_1);
     qtest_add_func("/ehci/pci/ehci-port-1", pci_ehci_port_1);
     qtest_add_func("/ehci/pci/ehci-config", pci_ehci_config);
-- 
2.31.1