From patchwork Wed Nov 3 01:47:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: He Ying X-Patchwork-Id: 1550077 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4HkV3V030qz9sR4 for ; Wed, 3 Nov 2021 12:45:57 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4HkV3T1lQgz2yPT for ; Wed, 3 Nov 2021 12:45:57 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=huawei.com (client-ip=45.249.212.188; helo=szxga02-in.huawei.com; envelope-from=heying24@huawei.com; receiver=) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4HkV3G5k9wz2xCj for ; Wed, 3 Nov 2021 12:45:43 +1100 (AEDT) Received: from dggeme755-chm.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4HkV2t4N15z90jv; Wed, 3 Nov 2021 09:45:26 +0800 (CST) Received: from huawei.com (10.67.174.47) by dggeme755-chm.china.huawei.com (10.3.19.101) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.15; Wed, 3 Nov 2021 09:45:35 +0800 From: He Ying To: , , Subject: [PATCH] powerpc/sysdev/of_rtc: Fix possible memory leak in of_instantiate_rtc Date: Tue, 2 Nov 2021 21:47:17 -0400 Message-ID: <20211103014717.162886-1-heying24@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.67.174.47] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggeme755-chm.china.huawei.com (10.3.19.101) X-CFilter-Loop: Reflected X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" If of_address_to_resource() in of_instantiate_rtc() fails, previously allocated memory res is not freed. Add missing kfree() for it. Signed-off-by: He Ying --- arch/powerpc/sysdev/of_rtc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/sysdev/of_rtc.c b/arch/powerpc/sysdev/of_rtc.c index 1f408d34a6a7..23b896996c2f 100644 --- a/arch/powerpc/sysdev/of_rtc.c +++ b/arch/powerpc/sysdev/of_rtc.c @@ -44,6 +44,7 @@ void __init of_instantiate_rtc(void) printk(KERN_ERR "OF RTC: Error " "translating resources for %pOF\n", node); + kfree(res); continue; }