From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52381) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V8v9H-00013y-QT for qemu-devel@nongnu.org; Mon, 12 Aug 2013 12:39:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V8v9B-000113-5I for qemu-devel@nongnu.org; Mon, 12 Aug 2013 12:39:15 -0400 Received: from mx1.redhat.com ([209.132.183.28]:49009) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V8uyw-0003Kn-Gk for qemu-devel@nongnu.org; Mon, 12 Aug 2013 12:28:34 -0400 From: Michal Novotny Date: Mon, 12 Aug 2013 18:28:30 +0200 Message-Id: Subject: [Qemu-devel] [QEMU-1.6 PATCH] vl.c: Output error on invalid machine type provided List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aliguori@us.ibm.com Output error message using qemu's error_report() function when user provides the invalid machine type on the command line. This also saves time to find what issue is when you downgrade from one version of qemu to another that doesn't support required machine type yet (the version user downgraded to have to have this patch applied too, of course). Signed-off-by: Michal Novotny --- vl.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/vl.c b/vl.c index f422a1c..9b4a3f9 100644 --- a/vl.c +++ b/vl.c @@ -2671,6 +2671,11 @@ static QEMUMachine *machine_parse(const char *name) if (machine) { return machine; } + + if (name && !is_help_option(name)) { + error_report("Unsupported machine type"); + } + printf("Supported machines are:\n"); for (m = first_machine; m != NULL; m = m->next) { if (m->alias) { -- 1.7.11.7