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authorPeter Crosthwaite <peter.crosthwaite@xilinx.com>2014-09-25 22:19:19 -0700
committerPaolo Bonzini <pbonzini@redhat.com>2014-10-23 16:41:25 +0200
commitd3c4931647c16c2ffc09a2c7c80d71c73cd026c6 (patch)
treeae88284c413fc4fe6b50cdec8a699214c28c068f /qom
parent4adea8042f880dd9bd7cb5c191a781ec86fdc587 (diff)
qom: Allow clearing of a Link property
By passing in "" to object_property_set_link. The lead user of this is the QDEV GPIO framework which will implement GPIO disconnects via an "unlink". GPIO disconnection is used by qtest's irq_intercept_out command. Reviewed-by: Alexander Graf <agraf@suse.de> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'qom')
-rw-r--r--qom/object.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/qom/object.c b/qom/object.c
index a751367e61..c7ef776b4e 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -872,9 +872,13 @@ char *object_property_get_str(Object *obj, const char *name,
void object_property_set_link(Object *obj, Object *value,
const char *name, Error **errp)
{
- gchar *path = object_get_canonical_path(value);
- object_property_set_str(obj, path, name, errp);
- g_free(path);
+ if (value) {
+ gchar *path = object_get_canonical_path(value);
+ object_property_set_str(obj, path, name, errp);
+ g_free(path);
+ } else {
+ object_property_set_str(obj, "", name, errp);
+ }
}
Object *object_property_get_link(Object *obj, const char *name,