From nobody Tue Feb 10 13:16:57 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1657865989488596.809715937202; Thu, 14 Jul 2022 23:19:49 -0700 (PDT) Received: from localhost ([::1]:44992 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oCEg0-0003Ho-8S for importer@patchew.org; Fri, 15 Jul 2022 02:19:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44922) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oCEUe-0001eE-3g for qemu-devel@nongnu.org; Fri, 15 Jul 2022 02:08:04 -0400 Received: from mail.loongson.cn ([114.242.206.163]:49862 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oCEUY-0000gJ-M6 for qemu-devel@nongnu.org; Fri, 15 Jul 2022 02:08:03 -0400 Received: from localhost.localdomain (unknown [10.2.5.185]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Dx_9AtBNFicw8gAA--.25026S3; Fri, 15 Jul 2022 14:07:48 +0800 (CST) From: Xiaojuan Yang To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, gaosong@loongson.cn, maobibo@loongson.cn, mark.cave-ayland@ilande.co.uk, mst@redhat.com, imammedo@redhat.com, ani@anisinha.ca, f4bug@amsat.org, peter.maydell@linaro.org Subject: [PATCH v3 1/5] target/loongarch/cpu: Fix cpu_class_by_name function Date: Fri, 15 Jul 2022 14:07:36 +0800 Message-Id: <20220715060740.1500628-2-yangxiaojuan@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220715060740.1500628-1-yangxiaojuan@loongson.cn> References: <20220715060740.1500628-1-yangxiaojuan@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf9Dx_9AtBNFicw8gAA--.25026S3 X-Coremail-Antispam: 1UD129KBjvJXoWrZFy3WrW7Xw4xuryUJrWrXwb_yoW8Jr17pr y7CFZ8KrWxKFZrK3WkJas8WF1kXr1xXF42qa1ayrsY9rWqqryxXr1Iy34qkF98Jay8Xw47 XF4rAF15J3WrXaUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnUUvcSsGvfC2KfnxnUUI43ZEXa7xR_UUUUUUUUU== X-CM-SenderInfo: p1dqw5xldry3tdq6z05rqj20fqof0/ 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: pass client-ip=114.242.206.163; envelope-from=yangxiaojuan@loongson.cn; helo=loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01, T_SPF_HELO_TEMPERROR=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" X-ZM-MESSAGEID: 1657865991405100001 Content-Type: text/plain; charset="utf-8" In loongarch_cpu_class_by_name(char *cpu_model) function, the argument cpu_model already has the suffix '-loongarch-cpu', so we should remove the LOONGARCH_CPU_TYPE_NAME(cpu_model) macro. And add the assertion that 'cpu_model' resolves to a class of the appropriate type. Signed-off-by: Xiaojuan Yang Reviewed-by: Richard Henderson --- target/loongarch/cpu.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index e21715592a..ed26f9beed 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -571,11 +571,12 @@ static void loongarch_cpu_init(Object *obj) static ObjectClass *loongarch_cpu_class_by_name(const char *cpu_model) { ObjectClass *oc; - char *typename; =20 - typename =3D g_strdup_printf(LOONGARCH_CPU_TYPE_NAME("%s"), cpu_model); - oc =3D object_class_by_name(typename); - g_free(typename); + oc =3D object_class_by_name(cpu_model); + if (!oc || !object_class_dynamic_cast(oc, TYPE_LOONGARCH_CPU) || + object_class_is_abstract(oc)) { + return NULL; + } return oc; } =20 --=20 2.31.1