From patchwork Tue Jun 23 09:06:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiezhu Yang X-Patchwork-Id: 11620129 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DF0F4161F for ; Tue, 23 Jun 2020 09:07:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BDD3A20809 for ; Tue, 23 Jun 2020 09:07:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732102AbgFWJGv (ORCPT ); Tue, 23 Jun 2020 05:06:51 -0400 Received: from mail.loongson.cn ([114.242.206.163]:44734 "EHLO loongson.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1732046AbgFWJGv (ORCPT ); Tue, 23 Jun 2020 05:06:51 -0400 Received: from linux.localdomain (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Dxf2oexvFeJ7JIAA--.33S5; Tue, 23 Jun 2020 17:06:43 +0800 (CST) From: Tiezhu Yang To: Thomas Gleixner , Jason Cooper , Marc Zyngier , Rob Herring Cc: Huacai Chen , Jiaxun Yang , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mips@vger.kernel.org, Xuefeng Li Subject: [PATCH 3/7 RESEND] irqchip/loongson-htvec: Check return value of irq_domain_translate_onecell() Date: Tue, 23 Jun 2020 17:06:34 +0800 Message-Id: <1592903198-5505-4-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1592903198-5505-1-git-send-email-yangtiezhu@loongson.cn> References: <1592903198-5505-1-git-send-email-yangtiezhu@loongson.cn> X-CM-TRANSID: AQAAf9Dxf2oexvFeJ7JIAA--.33S5 X-Coremail-Antispam: 1UD129KBjvdXoW7Gw13uFykCFWktrW3tF1UKFg_yoWDZrX_CF yIgFnxWr1Uur13Zr4rGr45ZFyxZrWkWF1v9FZ5ta43X34UKw1xAr13Zw43GF47Wr4Fyr9r GrZ3urySyw1xujkaLaAFLSUrUUUU8b8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbJ8YjsxI4VWxJwAYFVCjjxCrM7AC8VAFwI0_Wr0E3s1l1xkIjI8I 6I8E6xAIw20EY4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l82xGYIkIc2x26280x7 IE14v26r1rM28IrcIa0xkI8VCY1x0267AKxVW5JVCq3wA2ocxC64kIII0Yj41l84x0c7CE w4AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26F1j6w1UM28EF7xvwVC0I7IYx2IY6x kF7I0E14v26r4UJVWxJr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv 6xkF7I0E14v26rxl6s0DM2kKe7AKxVWUXVWUAwAS0I0E0xvYzxvE52x082IY62kv0487Mc 02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUXVWUAwAv7VC2z280aVAF wI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4 CEVc8vx2IErcIFxwACI402YVCY1x02628vn2kIc2xKxwCY1x0262kKe7AKxVWrXVW3AwCY 02Avz4vE14v_GFWl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxV Aqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q 6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Gr0_Xr1lIxAIcVC0I7IYx2IY6x kF7I0E14v26r4UJVWxJr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE 14v26r4j6F4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyT uYvj4RfucRUUUUU X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Check the return value of irq_domain_translate_onecell() due to it may returns -EINVAL if failed. Signed-off-by: Tiezhu Yang --- drivers/irqchip/irq-loongson-htvec.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-loongson-htvec.c b/drivers/irqchip/irq-loongson-htvec.c index b36d403..720cf96 100644 --- a/drivers/irqchip/irq-loongson-htvec.c +++ b/drivers/irqchip/irq-loongson-htvec.c @@ -109,11 +109,14 @@ static struct irq_chip htvec_irq_chip = { static int htvec_domain_alloc(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs, void *arg) { + int ret; unsigned long hwirq; unsigned int type, i; struct htvec *priv = domain->host_data; - irq_domain_translate_onecell(domain, arg, &hwirq, &type); + ret = irq_domain_translate_onecell(domain, arg, &hwirq, &type); + if (ret) + return ret; for (i = 0; i < nr_irqs; i++) { irq_domain_set_info(domain, virq + i, hwirq + i, &htvec_irq_chip,