[Qemu-devel] [PATCH 4/7] qmp: Fix device-list-properties not to crash for abstract device

[Markus Armbruster <armbru@redhat.com>]

Broken in commit f4eb32b "qmp: show QOM properties in
device-list-properties", v2.1.

Cc: qemu-stable@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 qmp.c                          |  6 ++++++
 tests/device-introspect-test.c | 11 ++++-------
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/qmp.c b/qmp.c
index 9623c80..6f370d5 100644
--- a/qmp.c
+++ b/qmp.c
@@ -520,6 +520,12 @@ DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
         return NULL;
     }
 
+    if (object_class_is_abstract(klass)) {
+        error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "name",
+                   "non-abstract device type");
+        return NULL;
+    }
+
     obj = object_new(typename);
 
     QTAILQ_FOREACH(prop, &obj->properties, node) {
diff --git a/tests/device-introspect-test.c b/tests/device-introspect-test.c
index bcaaf2a..3e40877 100644
--- a/tests/device-introspect-test.c
+++ b/tests/device-introspect-test.c
@@ -45,13 +45,10 @@ static void test_one_device(const char *type)
     QDict *resp;
     char *help;
 
-    /* FIXME device-list-properties crashes for abstract device, skip  */
-    if (strcmp(type, "device")) {
-        resp = qmp("{'execute': 'device-list-properties',"
-                   " 'arguments': {'typename': %s}}",
-                   type);
-        QDECREF(resp);
-    }
+    resp = qmp("{'execute': 'device-list-properties',"
+               " 'arguments': {'typename': %s}}",
+               type);
+    QDECREF(resp);
 
     help = hmp("device_add \"%s,help\"", type);
     g_free(help);
-- 
2.4.3