From patchwork Sun Aug 23 13:06:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dinghao Liu X-Patchwork-Id: 11731621 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 C5F0514F6 for ; Sun, 23 Aug 2020 13:07:43 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A6A052078D for ; Sun, 23 Aug 2020 13:07:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MKVNZPaW" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A6A052078D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=zju.edu.cn Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Owner; bh=ampUe5EGVHEBd1wfdbKq7fBSYngaMJVqCmOTC77Oshk=; b=MKVNZPaWzfgp8AAXoV5ifddHGU JIHZq6JdknjgpHZn3ZxLwJfSj/pgNG/siz/94dvCKvDjgNGq7ufiVPuotwqpqc9x5WFLI91KeJuzH vslmdDPWOQtf5/MWULse+KbTi7ilgAteQ73MUhdy6nyS0986z5j4D3jKsuXeT91s4LsnTn6rohCo2 sEaGT6OV1wUlZ2mLXhLEFeAJUSzsod36VAPwic6ZZ/WrG3P0fNnJVumFnGAJ1HDHijyWacPU1jex3 NrfjDmASf0kyuGvZqIGDPQIH8atPEvyi/mtRCAq+e1XWo0fFr+DbmUkmKYutIEN8K2em+M3tnJ4Av 1rubmGcQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k9piJ-00072B-4x; Sun, 23 Aug 2020 13:07:11 +0000 Received: from mail.zju.edu.cn ([61.164.42.155] helo=zju.edu.cn) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k9piE-00071Y-TD for linux-arm-kernel@lists.infradead.org; Sun, 23 Aug 2020 13:07:08 +0000 Received: from localhost.localdomain (unknown [10.192.85.18]) by mail-app3 (Coremail) with SMTP id cC_KCgC3f2HgaUJfeJ0VAw--.62740S4; Sun, 23 Aug 2020 21:06:45 +0800 (CST) From: Dinghao Liu To: dinghao.liu@zju.edu.cn, kjlu@umn.edu Subject: [PATCH] clocksource/drivers/cadence-ttc: Fix memleak in ttc_setup_clockevent Date: Sun, 23 Aug 2020 21:06:40 +0800 Message-Id: <20200823130640.11765-1-dinghao.liu@zju.edu.cn> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: cC_KCgC3f2HgaUJfeJ0VAw--.62740S4 X-Coremail-Antispam: 1UD129KBjvdXoW7Wr4ftr15tF4xZr4UWFWUCFg_yoW3Xrg_KF 4IqrykJryakr1fGwnIyw17Xay0krn3ZF1rGFn2qFy3G34SvF1UuFyYvr17Cw1rAw47KF90 yFZrW3y3Ar13GjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbc8Fc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wAFIxvE14AK wVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20x vE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4UJVWxJr1l84ACjcxK6I8E 87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s1le2I262IYc4CY6c 8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_ Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwI xGrwACjI8F5VA0II8E6IAqYI8I648v4I1l42xK82IYc2Ij64vIr41l42xK82IY6x8ErcxF aVAv8VW8uw4UJr1UMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr 4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxG rwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8Jw CI42IY6xAIw20EY4v20xvaj40_WFyUJVCq3wCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY 6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjfUoOJ5UUUUU X-CM-SenderInfo: qrrzjiaqtzq6lmxovvfxof0/1tbiAgoSBlZdtPnBhABIsX X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200823_090707_494143_3AFD1C33 X-CRM114-Status: UNSURE ( 9.33 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Gleixner , Daniel Lezcano , Michal Simek , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org When clk_notifier_register() fails, ttcce should be freed just like when clk_prepare_enable() and request_irq() fail. Signed-off-by: Dinghao Liu --- drivers/clocksource/timer-cadence-ttc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clocksource/timer-cadence-ttc.c b/drivers/clocksource/timer-cadence-ttc.c index 38858e141731..4d8638b0936c 100644 --- a/drivers/clocksource/timer-cadence-ttc.c +++ b/drivers/clocksource/timer-cadence-ttc.c @@ -426,6 +426,7 @@ static int __init ttc_setup_clockevent(struct clk *clk, &ttcce->ttc.clk_rate_change_nb); if (err) { pr_warn("Unable to register clock notifier.\n"); + kfree(ttcce); return err; }