By passing in NULL to object_property_set_link.
The lead user of this is the QDEV GPIO framework which will implement
GPIO disconnects via an "unlink".
Signed-off-by: Peter Crosthwaite <peter.crosthwa...@xilinx.com>
---
qom/object.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/qom/object.c b/qom/object.c
index c869e8e..8821e23 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -881,7 +881,7 @@ 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);
+ gchar *path = value ? object_get_canonical_path(value) : NULL;
object_property_set_str(obj, path, name, errp);
g_free(path);
}
@@ -1172,7 +1172,7 @@ static void object_set_link_property(Object *obj, Visitor
*v, void *opaque,
visit_type_str(v, &path, name, &local_err);
- if (!local_err && strcmp(path, "") != 0) {
+ if (!local_err && path && strcmp(path, "") != 0) {
new_target = object_resolve_link(obj, name, path, &local_err);
}
--
2.0.1.1.gfbfc394
