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28 Feb 2024 08:23:50 -0800 Received: from liuzhao-optiplex-7080.sh.intel.com ([10.239.160.36]) by orviesa004.jf.intel.com with ESMTP; 28 Feb 2024 08:23:48 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709137434; x=1740673434; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ph7yx45DpHdKw7PwqnWGdtJMzif59rJ5VMJHMtnScN4=; b=etBsxr4UU4Uo5lqwRzhw7r4amZ6R3zPQmRZGFqN7xYoK9f/12hpdopSE kbqRAZ/2MEEcj8B3tp3Yjq8cPop0d+Wr/61bGa+LmLzfOFPaklWbAFXKX lZwIMFYjHXq9xi67Qt7o1Zk3mDYpRfjBgLlY+1FOQqVBMHrthXzrLG0Iz WGyTlub3U0o55ow9xZ3XnA+q3A+ZyeotFieSuuwO1Ht+EEQ7N1qwVxGNL kpErF4ggkISBCWrro7b1RmviYPNNRGwvM2vQfRviyq9O8JyHvGlle9aKG gNX3HbWOBjYIdTnICZGtjV0VwBeU1oG0XgfQ2/wheL1TCGHV8NV/2GoEi Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10998"; a="28982411" X-IronPort-AV: E=Sophos;i="6.06,190,1705392000"; d="scan'208";a="28982411" X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,190,1705392000"; d="scan'208";a="12144802" From: Zhao Liu To: 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 01/16] error: Add error_vprepend() in comment of ERRP_GUARD() rules Date: Thu, 29 Feb 2024 00:37:08 +0800 Message-Id: <20240228163723.1775791-2-zhao1.liu@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240228163723.1775791-1-zhao1.liu@linux.intel.com> References: <20240228163723.1775791-1-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=192.198.163.7; envelope-from=zhao1.liu@linux.intel.com; helo=mgamail.intel.com X-Spam_score_int: 4 X-Spam_score: 0.4 X-Spam_bar: / X-Spam_report: (0.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.102, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SORTED_RECIPS=2.499, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: 1709137550559100001 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(). Signed-off-by: Zhao Liu Reviewed-by: Markus Armbruster --- 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..b1b389967f92 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