From ee3b34cd48a29b744a390c33eaa1f97b69b88367 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Fri, 23 Feb 2024 13:43:57 +0100 Subject: hw/acpi: move object_resolve_type_unambiguous to core QOM MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit object_resolve_type_unambiguous provides a useful functionality, that is currently emulated for example by usb_bus_find(). Move it to core code and add error reporting for increased generality. Signed-off-by: Paolo Bonzini Reviewed-by: Thomas Huth Reviewed-by: Philippe Mathieu-Daudé Message-ID: <20240223124406.234509-2-pbonzini@redhat.com> [PMD: Fixed style] Signed-off-by: Philippe Mathieu-Daudé --- qom/object.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'qom') diff --git a/qom/object.c b/qom/object.c index 2c4c64d..d4a001c 100644 --- a/qom/object.c +++ b/qom/object.c @@ -2229,6 +2229,22 @@ Object *object_resolve_path_at(Object *parent, const char *path) return object_resolve_abs_path(parent, parts, TYPE_OBJECT); } +Object *object_resolve_type_unambiguous(const char *typename, Error **errp) +{ + bool ambig; + Object *o = object_resolve_path_type("", typename, &ambig); + + if (ambig) { + error_setg(errp, "More than one object of type %s", typename); + return NULL; + } + if (!o) { + error_setg(errp, "No object found of type %s", typename); + return NULL; + } + return o; +} + typedef struct StringProperty { char *(*get)(Object *, Error **); -- cgit v1.1