From patchwork Mon Oct 15 11:52:52 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 984124 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42YcT32zTZz9s7W for ; Mon, 15 Oct 2018 23:00:23 +1100 (AEDT) Received: from localhost ([::1]:51845 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gC1Xp-0000kb-16 for incoming@patchwork.ozlabs.org; Mon, 15 Oct 2018 08:00:21 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39467) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gC1R3-000472-AG for qemu-devel@nongnu.org; Mon, 15 Oct 2018 07:53:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gC1R1-00022q-6H for qemu-devel@nongnu.org; Mon, 15 Oct 2018 07:53:21 -0400 Received: from mx1.redhat.com ([209.132.183.28]:64688) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gC1R0-0001yT-Sj for qemu-devel@nongnu.org; Mon, 15 Oct 2018 07:53:19 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 74971C029385 for ; Mon, 15 Oct 2018 11:53:16 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-116-50.ams2.redhat.com [10.36.116.50]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3FF187C593 for ; Mon, 15 Oct 2018 11:53:16 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id E3658114168F; Mon, 15 Oct 2018 13:53:09 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Date: Mon, 15 Oct 2018 13:52:52 +0200 Message-Id: <20181015115309.17089-19-armbru@redhat.com> In-Reply-To: <20181015115309.17089-1-armbru@redhat.com> References: <20181015115309.17089-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Mon, 15 Oct 2018 11:53:16 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v2 18/35] vl: Clean up error reporting in parse_add_fd() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Calling error_report() in a function that takes an Error ** argument is suspicious. parse_add_fd() does that, and then fails without setting an error. Its caller main(), via qemu_opts_foreach(), is fine with it, but clean it up anyway. Also change call of cleanup_add_fd(), which can't fail, for symmetry. Signed-off-by: Markus Armbruster Reviewed-by: Marc-André Lureau --- vl.c | 22 +++++++++------------- 1 file changed, 9 insertions(+), 13 deletions(-) diff --git a/vl.c b/vl.c index 643121e5d4..2ef066ad61 100644 --- a/vl.c +++ b/vl.c @@ -1059,12 +1059,12 @@ static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp) fd_opaque = qemu_opt_get(opts, "opaque"); if (fd < 0) { - error_report("fd option is required and must be non-negative"); + error_setg(errp, "fd option is required and must be non-negative"); return -1; } if (fd <= STDERR_FILENO) { - error_report("fd cannot be a standard I/O stream"); + error_setg(errp, "fd cannot be a standard I/O stream"); return -1; } @@ -1074,12 +1074,12 @@ static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp) */ flags = fcntl(fd, F_GETFD); if (flags == -1 || (flags & FD_CLOEXEC)) { - error_report("fd is not valid or already in use"); + error_setg(errp, "fd is not valid or already in use"); return -1; } if (fdset_id < 0) { - error_report("set option is required and must be non-negative"); + error_setg(errp, "set option is required and must be non-negative"); return -1; } @@ -1092,7 +1092,7 @@ static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp) } #endif if (dupfd == -1) { - error_report("error duplicating fd: %s", strerror(errno)); + error_setg(errp, "error duplicating fd: %s", strerror(errno)); return -1; } @@ -3983,15 +3983,11 @@ int main(int argc, char **argv, char **envp) } #ifndef _WIN32 - if (qemu_opts_foreach(qemu_find_opts("add-fd"), - parse_add_fd, NULL, NULL)) { - exit(1); - } + qemu_opts_foreach(qemu_find_opts("add-fd"), + parse_add_fd, NULL, &error_fatal); - if (qemu_opts_foreach(qemu_find_opts("add-fd"), - cleanup_add_fd, NULL, NULL)) { - exit(1); - } + qemu_opts_foreach(qemu_find_opts("add-fd"), + cleanup_add_fd, NULL, &error_fatal); #endif current_machine = MACHINE(object_new(object_class_get_name(