From patchwork Wed Jun 24 07:29:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiezhu Yang X-Patchwork-Id: 11622459 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 0ACB1618 for ; Wed, 24 Jun 2020 07:30:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F174E2082F for ; Wed, 24 Jun 2020 07:30:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389874AbgFXHaZ (ORCPT ); Wed, 24 Jun 2020 03:30:25 -0400 Received: from mail.loongson.cn ([114.242.206.163]:59676 "EHLO loongson.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2389334AbgFXH3z (ORCPT ); Wed, 24 Jun 2020 03:29:55 -0400 Received: from linux.localdomain (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Dx_93mAPNezSRJAA--.399S3; Wed, 24 Jun 2020 15:29:43 +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 v3 01/14] irqchip/ath79-misc: Fix potential resource leaks Date: Wed, 24 Jun 2020 15:29:29 +0800 Message-Id: <1592983782-8842-2-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1592983782-8842-1-git-send-email-yangtiezhu@loongson.cn> References: <1592983782-8842-1-git-send-email-yangtiezhu@loongson.cn> X-CM-TRANSID: AQAAf9Dx_93mAPNezSRJAA--.399S3 X-Coremail-Antispam: 1UD129KBjvJXoW7Kw47trWfCFW5ZF4kXw17Awb_yoW8GF1DpF WUW39avrWfJr47XrsxCFWDXryavFyFkay293y3C3WxZrn8G3909F1rAa4jvF12krW3X3WU CF4fJa45uF4jkFUanT9S1TB71UUUUUDqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUQ014x267AKxVW5JVWrJwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jr4l82xGYIkIc2 x26xkF7I0E14v26r1I6r4UM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJw A2z4x0Y4vEx4A2jsIE14v26F4UJVW0owA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s1l e2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI 8IcVAFwI0_JrI_JrylYx0Ex4A2jsIE14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJVW8JwAC jcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2ka0x kIwI1lc7CjxVAaw2AFwI0_JF0_Jw1lc2xSY4AK67AK6r4xMxAIw28IcxkI7VAKI48JMxC2 0s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI 0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE 14v26r4j6ryUMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20x vaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr1j6F4UJwCI42IY6I8E87Iv6xkF7I0E14v2 6F4UJVW0obIYCTnIWIevJa73UjIFyTuYvjfU0D73DUUUU X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org There exists potential resource leaks in the error path, fix them. Fixes: 07ba4b061a79 ("irqchip/ath79-misc: Move the MISC driver from arch/mips/ath79/") Signed-off-by: Tiezhu Yang --- drivers/irqchip/irq-ath79-misc.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/irqchip/irq-ath79-misc.c b/drivers/irqchip/irq-ath79-misc.c index 3d641bb..53e0c50 100644 --- a/drivers/irqchip/irq-ath79-misc.c +++ b/drivers/irqchip/irq-ath79-misc.c @@ -133,7 +133,7 @@ static int __init ath79_misc_intc_of_init( { struct irq_domain *domain; void __iomem *base; - int irq; + int irq, ret; irq = irq_of_parse_and_map(node, 0); if (!irq) { @@ -144,18 +144,26 @@ static int __init ath79_misc_intc_of_init( base = of_iomap(node, 0); if (!base) { pr_err("Failed to get MISC IRQ registers\n"); - return -ENOMEM; + ret = -ENOMEM; + goto err_irq_dispose; } domain = irq_domain_add_linear(node, ATH79_MISC_IRQ_COUNT, &misc_irq_domain_ops, base); if (!domain) { pr_err("Failed to add MISC irqdomain\n"); - return -EINVAL; + ret = -EINVAL; + goto err_iounmap; } ath79_misc_intc_domain_init(domain, irq); return 0; + +err_iounmap: + iounmap(base); +err_irq_dispose: + irq_dispose_mapping(irq); + return ret; } static int __init ar7100_misc_intc_of_init(