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authorAnthony Liguori <aliguori@us.ibm.com>2011-12-23 08:35:43 -0600
committerAnthony Liguori <aliguori@us.ibm.com>2012-02-03 10:41:08 -0600
commitfe40e627c51e38922b64b02b6163aea4b6aad896 (patch)
treeb79dfdbfcbfdb11857b97db2bd11662324315b2f /qom/object.c
parent57c9fafe0f759c9f1efa5451662b3627f9bb95e0 (diff)
downloadfocaccia-qemu-fe40e627c51e38922b64b02b6163aea4b6aad896.tar.gz
focaccia-qemu-fe40e627c51e38922b64b02b6163aea4b6aad896.zip
qom: accept any compatible type when setting a link property
Links had limited utility before as they only allowed a concrete type to be
specified.  Now we can support abstract types and interfaces which means it's
now possible to have a link<PCIDevice>.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'qom/object.c')
-rw-r--r--qom/object.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/qom/object.c b/qom/object.c
index 2506d78e68..49addefd62 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -735,11 +735,12 @@ static void object_set_link_property(Object *obj, Visitor *v, void *opaque,
         if (target) {
             gchar *target_type;
 
-            target_type = g_strdup_printf("link<%s>",
-                                          object_get_typename(OBJECT(target)));
-            if (strcmp(target_type, type) == 0) {
-                *child = target;
+            target_type = g_strdup(&type[5]);
+            target_type[strlen(target_type) - 2] = 0;
+
+            if (object_dynamic_cast(target, target_type)) {
                 object_ref(target);
+                *child = target;
             } else {
                 error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, type);
             }