From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=46672 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OGTY9-0004Wu-2g for qemu-devel@nongnu.org; Mon, 24 May 2010 05:02:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OGTY6-0002Di-OI for qemu-devel@nongnu.org; Mon, 24 May 2010 05:02:16 -0400 Received: from mail-ww0-f45.google.com ([74.125.82.45]:64013) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OGTY6-0002DG-0z for qemu-devel@nongnu.org; Mon, 24 May 2010 05:02:14 -0400 Received: by wwg30 with SMTP id 30so373374wwg.4 for ; Mon, 24 May 2010 02:02:12 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <4BFA408E.8060807@redhat.com> Date: Mon, 24 May 2010 11:02:06 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <9fed8fc8d5a596bd8fdf125ffadc8f55dc39eb2b.1274688090.git.quintela@redhat.com> In-Reply-To: <9fed8fc8d5a596bd8fdf125ffadc8f55dc39eb2b.1274688090.git.quintela@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: [PATCH 1/5] Exit if incoming migration fails List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Juan Quintela Cc: qemu-devel@nongnu.org > -void qemu_start_incoming_migration(const char *uri) > +int qemu_start_incoming_migration(const char *uri) > { > const char *p; > + int ret = -1; Maybe -ENOSYS or -EPROTONOSUPPORT, since the *_start_incoming_migration functions return a negative errno value? > if (incoming) { > - qemu_start_incoming_migration(incoming); > + if (qemu_start_incoming_migration(incoming)< 0) { > + fprintf(stderr, "unknown migration protocol: %s\n", incoming); > + exit(1); > + } Dually, if you have a failure from *_start_incoming_migration, this fprintf is spurious. Paolo