From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 91CCEC433F5 for ; Fri, 13 May 2022 18:19:16 +0000 (UTC) Received: from localhost ([::1]:52696 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1npZsh-0007Xg-K8 for qemu-devel@archiver.kernel.org; Fri, 13 May 2022 14:19:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56612) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1npZiW-0000rO-Oh for qemu-devel@nongnu.org; Fri, 13 May 2022 14:08:44 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:25343) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1npZiV-00070k-3K for qemu-devel@nongnu.org; Fri, 13 May 2022 14:08:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1652465322; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=jh8aRrRJckFcHtiQlCat4NAPKRU4Hvu05QLyujh6EXQ=; b=ekiFqTaH2lIeOQar0aPRkykVZg/xK5ZNt/6DTK6QjS3UEXa9SwaCexgEXeowVmZxXAOMHd Jt4baKXqdHXKKRW09h1wSOLW0rb/cpyQYMPp+arqwVshiak4HViuuwgInni5l0SoSrHBsV EALIOXy0EmlsE1liYuLUl/NsdhQFSvI= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-257-KsCE1c-JNgeB3uNEzJomqQ-1; Fri, 13 May 2022 14:08:41 -0400 X-MC-Unique: KsCE1c-JNgeB3uNEzJomqQ-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id DED69801E80; Fri, 13 May 2022 18:08:40 +0000 (UTC) Received: from localhost (unknown [10.39.192.38]) by smtp.corp.redhat.com (Postfix) with ESMTP id 84F0C438BF4; Fri, 13 May 2022 18:08:39 +0000 (UTC) From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Konstantin Kostiuk , Michael Roth , Markus Armbruster , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 07/15] qga: throw an Error in ga_channel_open() Date: Fri, 13 May 2022 20:08:13 +0200 Message-Id: <20220513180821.905149-8-marcandre.lureau@redhat.com> In-Reply-To: <20220513180821.905149-1-marcandre.lureau@redhat.com> References: <20220513180821.905149-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.85 on 10.11.54.9 Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Marc-André Lureau Allow for a single point of error reporting, and further refactoring. Signed-off-by: Marc-André Lureau --- qga/channel-posix.c | 43 ++++++++++++++++++------------------------- 1 file changed, 18 insertions(+), 25 deletions(-) diff --git a/qga/channel-posix.c b/qga/channel-posix.c index a996858e24..039e1ddcb2 100644 --- a/qga/channel-posix.c +++ b/qga/channel-posix.c @@ -119,8 +119,9 @@ static int ga_channel_client_add(GAChannel *c, int fd) } static gboolean ga_channel_open(GAChannel *c, const gchar *path, - GAChannelMethod method, int fd) + GAChannelMethod method, int fd, Error **errp) { + ERRP_GUARD(); int ret; c->method = method; @@ -133,21 +134,20 @@ static gboolean ga_channel_open(GAChannel *c, const gchar *path, #endif ); if (fd == -1) { - g_critical("error opening channel: %s", strerror(errno)); + error_setg_errno(errp, errno, "error opening channel"); return false; } #ifdef CONFIG_SOLARIS ret = ioctl(fd, I_SETSIG, S_OUTPUT | S_INPUT | S_HIPRI); if (ret == -1) { - g_critical("error setting event mask for channel: %s", - strerror(errno)); + error_setg_errno(errp, errno, "error setting event mask for channel"); close(fd); return false; } #endif ret = ga_channel_client_add(c, fd); if (ret) { - g_critical("error adding channel to main loop"); + error_setg(errp, "error adding channel to main loop"); close(fd); return false; } @@ -159,7 +159,7 @@ static gboolean ga_channel_open(GAChannel *c, const gchar *path, assert(fd < 0); fd = qemu_open_old(path, O_RDWR | O_NOCTTY | O_NONBLOCK); if (fd == -1) { - g_critical("error opening channel: %s", strerror(errno)); + error_setg_errno(errp, errno, "error opening channel"); return false; } tcgetattr(fd, &tio); @@ -180,7 +180,7 @@ static gboolean ga_channel_open(GAChannel *c, const gchar *path, tcsetattr(fd, TCSANOW, &tio); ret = ga_channel_client_add(c, fd); if (ret) { - g_critical("error adding channel to main loop"); + error_setg(errp, "error adding channel to main loop"); close(fd); return false; } @@ -188,12 +188,8 @@ static gboolean ga_channel_open(GAChannel *c, const gchar *path, } case GA_CHANNEL_UNIX_LISTEN: { if (fd < 0) { - Error *local_err = NULL; - - fd = unix_listen(path, &local_err); - if (local_err != NULL) { - g_critical("%s", error_get_pretty(local_err)); - error_free(local_err); + fd = unix_listen(path, errp); + if (fd < 0) { return false; } } @@ -202,24 +198,19 @@ static gboolean ga_channel_open(GAChannel *c, const gchar *path, } case GA_CHANNEL_VSOCK_LISTEN: { if (fd < 0) { - Error *local_err = NULL; SocketAddress *addr; char *addr_str; addr_str = g_strdup_printf("vsock:%s", path); - addr = socket_parse(addr_str, &local_err); + addr = socket_parse(addr_str, errp); g_free(addr_str); - if (local_err != NULL) { - g_critical("%s", error_get_pretty(local_err)); - error_free(local_err); + if (!addr) { return false; } - fd = socket_listen(addr, 1, &local_err); + fd = socket_listen(addr, 1, errp); qapi_free_SocketAddress(addr); - if (local_err != NULL) { - g_critical("%s", error_get_pretty(local_err)); - error_free(local_err); + if (fd < 0) { return false; } } @@ -227,7 +218,7 @@ static gboolean ga_channel_open(GAChannel *c, const gchar *path, break; } default: - g_critical("error binding/listening to specified socket"); + error_setg(errp, "error binding/listening to specified socket"); return false; } @@ -272,12 +263,14 @@ GIOStatus ga_channel_read(GAChannel *c, gchar *buf, gsize size, gsize *count) GAChannel *ga_channel_new(GAChannelMethod method, const gchar *path, int listen_fd, GAChannelCallback cb, gpointer opaque) { + Error *err = NULL; GAChannel *c = g_new0(GAChannel, 1); c->event_cb = cb; c->user_data = opaque; - if (!ga_channel_open(c, path, method, listen_fd)) { - g_critical("error opening channel"); + if (!ga_channel_open(c, path, method, listen_fd, &err)) { + g_critical("%s", error_get_pretty(err)); + error_free(err); ga_channel_free(c); return NULL; } -- 2.36.1