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10 Mar 2024 20:24:43 -0700 Received: from liuzhao-optiplex-7080.sh.intel.com ([10.239.160.36]) by fmviesa003.fm.intel.com with ESMTP; 10 Mar 2024 20:24:42 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1710127485; x=1741663485; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=9u2qpUQw+97M2ytR4D9PH0ERtHP9EM+bxi7PUz1J0MM=; b=f+5F5Oh0AUwUKO3ZQFnhLZRafbXONiq4LZ7t91ncgJXDQFeujqgaUtCZ C8O2k3loJlSr86qOk9EjZqd2pfKV2mcokdlcUAhTiNiw/WZcaZbYgQssN Wdtd0JxQTU1F84hki38zLPApLk1MU482a2s/Hb46TTW1AzAPA65sud+l8 pRsKldQP7BK8jL8Wm3qJ6QgaJnOf1h8UzeUaWjoGGb9Gpxq5H8N/IebZX Lut5YmP9PMUv4/PRTqJ+PxWYRmAeWzjwa8EsLJbBZzLwn6W2GlNO4YcrH cdvA7YtIpD7B5t/xQQ/alEGAcugpnKfZOeoB7XgivDv7yAjfMLK6pjzTP A==; X-IronPort-AV: E=McAfee;i="6600,9927,11009"; a="22229576" X-IronPort-AV: E=Sophos;i="6.07,115,1708416000"; d="scan'208";a="22229576" X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,115,1708416000"; d="scan'208";a="15593711" From: Zhao Liu To: Thomas Huth , Markus Armbruster , Michael Roth , Michael Tokarev , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org Cc: qemu-trivial@nongnu.org, Zhao Liu Subject: [PATCH v2 01/29] error: Add error_vprepend() in comment of ERRP_GUARD() rules Date: Mon, 11 Mar 2024 11:37:54 +0800 Message-Id: <20240311033822.3142585-2-zhao1.liu@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240311033822.3142585-1-zhao1.liu@linux.intel.com> References: <20240311033822.3142585-1-zhao1.liu@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=198.175.65.10; envelope-from=zhao1.liu@linux.intel.com; helo=mgamail.intel.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.945, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1710127533448100001 Content-Type: text/plain; charset="utf-8" From: Zhao Liu The error_vprepend() should use ERRP_GUARD() just as the documentation of ERRP_GUARD() says: > It must be used when the function dereferences @errp or passes > @errp to error_prepend(), error_vprepend(), or error_append_hint(). Considering that error_vprepend() is also an API provided in error.h, it is necessary to add it to the description of the rules for using ERRP_GUARD(). Cc: Markus Armbruster Cc: Michael Roth Signed-off-by: Zhao Liu Reviewed-by: Markus Armbruster --- v2: Add a comma after error_vprepend(). (Markus) --- include/qapi/error.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/qapi/error.h b/include/qapi/error.h index f21a231bb1a6..71f8fb2c50ee 100644 --- a/include/qapi/error.h +++ b/include/qapi/error.h @@ -207,7 +207,7 @@ * * Without ERRP_GUARD(), use of the @errp parameter is restricted: * - It must not be dereferenced, because it may be null. - * - It should not be passed to error_prepend() or + * - It should not be passed to error_prepend(), error_vprepend(), or * error_append_hint(), because that doesn't work with &error_fatal. * ERRP_GUARD() lifts these restrictions. * --=20 2.34.1