diff options
| -rw-r--r-- | util/qemu-option.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/util/qemu-option.c b/util/qemu-option.c index 01886efe90..557b6c6626 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -486,7 +486,7 @@ int qemu_opt_unset(QemuOpts *opts, const char *name) } static void opt_set(QemuOpts *opts, const char *name, char *value, - bool prepend, Error **errp) + bool prepend, bool *invalidp, Error **errp) { QemuOpt *opt; const QemuOptDesc *desc; @@ -496,6 +496,9 @@ static void opt_set(QemuOpts *opts, const char *name, char *value, if (!desc && !opts_accepts_any(opts)) { g_free(value); error_setg(errp, QERR_INVALID_PARAMETER, name); + if (invalidp) { + *invalidp = true; + } return; } @@ -519,7 +522,7 @@ static void opt_set(QemuOpts *opts, const char *name, char *value, void qemu_opt_set(QemuOpts *opts, const char *name, const char *value, Error **errp) { - opt_set(opts, name, g_strdup(value), false, errp); + opt_set(opts, name, g_strdup(value), false, NULL, errp); } void qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val, @@ -750,7 +753,8 @@ void qemu_opts_print(QemuOpts *opts, const char *separator) } static void opts_do_parse(QemuOpts *opts, const char *params, - const char *firstname, bool prepend, Error **errp) + const char *firstname, bool prepend, + bool *invalidp, Error **errp) { char *option = NULL; char *value = NULL; @@ -785,7 +789,7 @@ static void opts_do_parse(QemuOpts *opts, const char *params, } if (strcmp(option, "id") != 0) { /* store and parse */ - opt_set(opts, option, value, prepend, &local_err); + opt_set(opts, option, value, prepend, invalidp, &local_err); value = NULL; if (local_err) { error_propagate(errp, local_err); @@ -814,11 +818,12 @@ static void opts_do_parse(QemuOpts *opts, const char *params, void qemu_opts_do_parse(QemuOpts *opts, const char *params, const char *firstname, Error **errp) { - opts_do_parse(opts, params, firstname, false, errp); + opts_do_parse(opts, params, firstname, false, NULL, errp); } static QemuOpts *opts_parse(QemuOptsList *list, const char *params, - bool permit_abbrev, bool defaults, Error **errp) + bool permit_abbrev, bool defaults, + bool *invalidp, Error **errp) { const char *firstname; char *id = NULL; @@ -850,7 +855,7 @@ static QemuOpts *opts_parse(QemuOptsList *list, const char *params, return NULL; } - opts_do_parse(opts, params, firstname, defaults, &local_err); + opts_do_parse(opts, params, firstname, defaults, invalidp, &local_err); if (local_err) { error_propagate(errp, local_err); qemu_opts_del(opts); @@ -870,7 +875,7 @@ static QemuOpts *opts_parse(QemuOptsList *list, const char *params, QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, bool permit_abbrev, Error **errp) { - return opts_parse(list, params, permit_abbrev, false, errp); + return opts_parse(list, params, permit_abbrev, false, NULL, errp); } /** @@ -886,10 +891,16 @@ QemuOpts *qemu_opts_parse_noisily(QemuOptsList *list, const char *params, { Error *err = NULL; QemuOpts *opts; + bool invalidp = false; - opts = opts_parse(list, params, permit_abbrev, false, &err); + opts = opts_parse(list, params, permit_abbrev, false, &invalidp, &err); if (err) { - error_report_err(err); + if (invalidp && has_help_option(params)) { + qemu_opts_print_help(list); + error_free(err); + } else { + error_report_err(err); + } } return opts; } @@ -899,7 +910,7 @@ void qemu_opts_set_defaults(QemuOptsList *list, const char *params, { QemuOpts *opts; - opts = opts_parse(list, params, permit_abbrev, true, NULL); + opts = opts_parse(list, params, permit_abbrev, true, NULL, NULL); assert(opts); } |