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authorPaolo Bonzini <pbonzini@redhat.com>2024-02-23 13:43:57 +0100
committerPhilippe Mathieu-Daudé <philmd@linaro.org>2024-02-27 09:36:41 +0100
commitee3b34cd48a29b744a390c33eaa1f97b69b88367 (patch)
tree8641c7bf543f0ade93c77aff2ab44ee7271734ba /qom
parent31ae8bb15d4ddaa202ffeb03a5c90f0acf205472 (diff)
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hw/acpi: move object_resolve_type_unambiguous to core QOM
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 <pbonzini@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20240223124406.234509-2-pbonzini@redhat.com> [PMD: Fixed style] Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Diffstat (limited to 'qom')
-rw-r--r--qom/object.c16
1 files changed, 16 insertions, 0 deletions
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 **);