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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5AD23C352AA for ; Tue, 1 Oct 2019 15:59:32 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 2F5372053B for ; Tue, 1 Oct 2019 15:59:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2F5372053B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:44004 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iFKYl-0006KN-BS for qemu-devel@archiver.kernel.org; Tue, 01 Oct 2019 11:59:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49873) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iFKT0-00080S-7m for qemu-devel@nongnu.org; Tue, 01 Oct 2019 11:53:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iFKSy-0006Vv-Te for qemu-devel@nongnu.org; Tue, 01 Oct 2019 11:53:34 -0400 Received: from relay.sw.ru ([185.231.240.75]:38356) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iFKSy-0006UX-KV for qemu-devel@nongnu.org; Tue, 01 Oct 2019 11:53:32 -0400 Received: from [10.94.3.0] (helo=kvm.qa.sw.ru) by relay.sw.ru with esmtp (Exim 4.92.2) (envelope-from ) id 1iFKSw-0004xb-7y; Tue, 01 Oct 2019 18:53:30 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org Subject: [PATCH v4 01/31] errp: rename errp to errp_in where it is IN-argument Date: Tue, 1 Oct 2019 18:52:49 +0300 Message-Id: <20191001155319.8066-2-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191001155319.8066-1-vsementsov@virtuozzo.com> References: <20191001155319.8066-1-vsementsov@virtuozzo.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 185.231.240.75 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vladimir Sementsov-Ogievskiy , Michael Roth , Markus Armbruster , "Dr. David Alan Gilbert" , Gerd Hoffmann Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Error **errp is almost always OUT-argument: it's assumed to be NULL, or pointer to NULL-initialized pointer, or pointer to error_abort or error_fatal, for callee to report error. But very few functions instead get Error **errp as IN-argument: it's assumed to be set, and callee should clean it. In such cases, rename errp to errp_in. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- include/monitor/hmp.h | 2 +- include/qapi/error.h | 2 +- ui/vnc.h | 2 +- monitor/hmp-cmds.c | 8 ++++---- ui/vnc.c | 10 +++++----- util/error.c | 8 ++++---- 6 files changed, 16 insertions(+), 16 deletions(-) diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h index a0e9511440..f929814f1a 100644 --- a/include/monitor/hmp.h +++ b/include/monitor/hmp.h @@ -16,7 +16,7 @@ #include "qemu/readline.h" -void hmp_handle_error(Monitor *mon, Error **errp); +void hmp_handle_error(Monitor *mon, Error **errp_in); void hmp_info_name(Monitor *mon, const QDict *qdict); void hmp_info_version(Monitor *mon, const QDict *qdict); diff --git a/include/qapi/error.h b/include/qapi/error.h index 3f95141a01..9376f59c35 100644 --- a/include/qapi/error.h +++ b/include/qapi/error.h @@ -283,7 +283,7 @@ void error_free(Error *err); /* * Convenience function to assert that *@errp is set, then silently free it. */ -void error_free_or_abort(Error **errp); +void error_free_or_abort(Error **errp_in); /* * Convenience function to warn_report() and free @err. diff --git a/ui/vnc.h b/ui/vnc.h index fea79c2fc9..00e0b48f2f 100644 --- a/ui/vnc.h +++ b/ui/vnc.h @@ -547,7 +547,7 @@ uint32_t read_u32(uint8_t *data, size_t offset); /* Protocol stage functions */ void vnc_client_error(VncState *vs); -size_t vnc_client_io_error(VncState *vs, ssize_t ret, Error **errp); +size_t vnc_client_io_error(VncState *vs, ssize_t ret, Error **errp_in); void start_client_init(VncState *vs); void start_auth_vnc(VncState *vs); diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index b2551c16d1..941d5d0a45 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -60,11 +60,11 @@ #include #endif -void hmp_handle_error(Monitor *mon, Error **errp) +void hmp_handle_error(Monitor *mon, Error **errp_in) { - assert(errp); - if (*errp) { - error_reportf_err(*errp, "Error: "); + assert(errp_in); + if (*errp_in) { + error_reportf_err(*errp_in, "Error: "); } } diff --git a/ui/vnc.c b/ui/vnc.c index 87b8045afe..9d6384d9b1 100644 --- a/ui/vnc.c +++ b/ui/vnc.c @@ -1312,7 +1312,7 @@ void vnc_disconnect_finish(VncState *vs) g_free(vs); } -size_t vnc_client_io_error(VncState *vs, ssize_t ret, Error **errp) +size_t vnc_client_io_error(VncState *vs, ssize_t ret, Error **errp_in) { if (ret <= 0) { if (ret == 0) { @@ -1320,14 +1320,14 @@ size_t vnc_client_io_error(VncState *vs, ssize_t ret, Error **errp) vnc_disconnect_start(vs); } else if (ret != QIO_CHANNEL_ERR_BLOCK) { trace_vnc_client_io_error(vs, vs->ioc, - errp ? error_get_pretty(*errp) : + errp_in ? error_get_pretty(*errp_in) : "Unknown"); vnc_disconnect_start(vs); } - if (errp) { - error_free(*errp); - *errp = NULL; + if (errp_in) { + error_free(*errp_in); + *errp_in = NULL; } return 0; } diff --git a/util/error.c b/util/error.c index d4532ce318..b3ff3832d6 100644 --- a/util/error.c +++ b/util/error.c @@ -271,11 +271,11 @@ void error_free(Error *err) } } -void error_free_or_abort(Error **errp) +void error_free_or_abort(Error **errp_in) { - assert(errp && *errp); - error_free(*errp); - *errp = NULL; + assert(errp_in && *errp_in); + error_free(*errp_in); + *errp_in = NULL; } void error_propagate(Error **dst_errp, Error *local_err) -- 2.21.0