2 files changed, 6 insertions, 10 deletions

diff --git a/qapi/opts-visitor.c b/qapi/opts-visitor.c
index 1048bbc84e..a0a7c0e734 100644
--- a/qapi/opts-visitor.c
+++ b/qapi/opts-visitor.c
@@ -481,23 +481,20 @@ opts_type_size(Visitor *v, const char *name, uint64_t *obj, Error **errp)
 {
     OptsVisitor *ov = to_ov(v);
     const QemuOpt *opt;
-    int64_t val;
-    char *endptr;
+    int err;
 
     opt = lookup_scalar(ov, name, errp);
     if (!opt) {
         return;
     }
 
-    val = qemu_strtosz_suffix(opt->str ? opt->str : "", &endptr,
-                         QEMU_STRTOSZ_DEFSUFFIX_B);
-    if (val < 0 || *endptr) {
+    err = qemu_strtosz(opt->str ? opt->str : "", NULL, obj);
+    if (err < 0) {
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE, opt->name,
-                   "a size value representible as a non-negative int64");
+                   "a size value");
         return;
     }
 
-    *obj = val;
     processed(ov, name);
 }
 
diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c
index 505eb418ac..48bec2072b 100644
--- a/qapi/qmp-dispatch.c
+++ b/qapi/qmp-dispatch.c
@@ -28,14 +28,13 @@ static QDict *qmp_dispatch_check_obj(const QObject *request, Error **errp)
     bool has_exec_key = false;
     QDict *dict = NULL;
 
-    if (qobject_type(request) != QTYPE_QDICT) {
+    dict = qobject_to_qdict(request);
+    if (!dict) {
         error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT,
                    "request is not a dictionary");
         return NULL;
     }
 
-    dict = qobject_to_qdict(request);
-
     for (ent = qdict_first(dict); ent;
          ent = qdict_next(dict, ent)) {
         arg_name = qdict_entry_key(ent);