From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 13806C433F5 for ; Mon, 25 Apr 2022 15:40:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=njSDPdVwTuw6grE9+bTOo5rEt+damyrd9E9GweqY0tc=; b=3OLK5uYpROGV89 9IEonncUeFkHplSvI9DGMPas6jP60XP48VeqdzljGOa95//TtawhrnXOa2Sa7eNvvwojEq3aEoWlf ewzGt/u8x9Rg9IeKAPdVfvwnEtINlCEN6v2BqPdIL03EOZeJAAJMfe72EHOicmClWGQfLowSLaGQy zBes0zxF7bDXUC9MO0bYNcquEAp0OkoYRZQceIwf8kbdOSmhqGcAHF68iTL5N+LHD5hgt3N9adZX6 GQYzgGvUipRVjRdIMp7xPFZgmOj79gAOif8GCdyqz2NeNjOCuFa+ngCL+z42epDNMAN51zccgMiZW 835rDebFhpsLIs1hzG0g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nj0oU-00A8YI-Aa; Mon, 25 Apr 2022 15:39:46 +0000 Received: from mail-ed1-x52c.google.com ([2a00:1450:4864:20::52c]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nj0oR-00A8WO-73 for linux-arm-kernel@lists.infradead.org; Mon, 25 Apr 2022 15:39:44 +0000 Received: by mail-ed1-x52c.google.com with SMTP id g23so11897590edy.13 for ; Mon, 25 Apr 2022 08:39:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=T01Vsboe7BIJvmOZnpFBnqjbW+9iDm8fcl2QrWQykBc=; b=kPM/SNHsAbBB6TPmDqMIcF3+pw23OqniiDoKpyCh8WM3av7/TyIAZaj6mkSAGUIcjv wFg+zJ5PJZ+OWSTcT08+l6llF1V5IgIUQ9t9PmYB8P1utoqI0nFy9Sdd2k3AgNv1l1FZ QMAzyQq1xVzv7dZo/YM6MGJvSX6DHz7za/D8I82l0lzgoEB/wX1qUpMZ5UpQ7sSIAkay eN5yzepL0YRYBfLDwIPqUdkAGkJswqyaldV+jhNmHzLZbiOEdgabkRZ5U26w8TJcEOHl KWg4YZcX1tRWUsPoJozBH5dm9g0k5T0XGeJWULpmf/oYCe3yRJQ/UT3aBDA/kFoxJykM xorg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=T01Vsboe7BIJvmOZnpFBnqjbW+9iDm8fcl2QrWQykBc=; b=50l0RpQvcGOksduAeHm5UdSYWxmXa8fBQrXMZOn4SGS7FSbxHqJgYW/Lp4hN1u0/gf H5pfm4/JLSbWrCMcPIk74WizF+hcl1iNRu8zTKN3djHAJfO9kghZibzON5pSrK4Y/aS1 9q4fMG+lwPpDV7ZIrREney3KiQejirnMQ/mqFFohpoS79SSYFATKSFfZA5KfHJGU4/Bx 8u42XHbvKxChaqRZAxklOpz2z8TMRuX+DdmUOvdPWVVJqm17pkNZjbb6iD+wb+ugoHvC eV8E+SFPXJNFic/BIoiyqxyr/E6wB7SUdc8VXe8342pjSEfcYYVwree6i1F1ozGn5QiV 9P6A== X-Gm-Message-State: AOAM530tYFQzBgkBAcz21+jepoMGnN+fQqcN6eaPuqsOYQYBirg5WTEH 3rn4D22ACAuiNv3eYqMGz7o= X-Google-Smtp-Source: ABdhPJzIyVAdyqYhswiICra1oKeo5UKFm4s/D+QpyQPj+7Teup4JNUsf36N9FoOwox9FncoffG3lOQ== X-Received: by 2002:a05:6402:909:b0:416:6f3c:5c1d with SMTP id g9-20020a056402090900b004166f3c5c1dmr19408479edz.108.1650901181156; Mon, 25 Apr 2022 08:39:41 -0700 (PDT) Received: from kista.localnet (cpe-86-58-32-107.static.triera.net. [86.58.32.107]) by smtp.gmail.com with ESMTPSA id g6-20020a056402090600b0041d8c2f9e61sm4826215edz.31.2022.04.25.08.39.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Apr 2022 08:39:40 -0700 (PDT) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: tiny.windzz@gmail.com, rafael@kernel.org, viresh.kumar@linaro.org, wens@csie.org, samuel@sholland.org, mripard@kernel.org, Xiaobing Luo Cc: linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Xiaobing Luo Subject: Re: [PATCH v3] cpufreq: fix memory leak in sun50i_cpufreq_nvmem_probe Date: Mon, 25 Apr 2022 17:39:39 +0200 Message-ID: <3099618.5fSG56mABF@kista> In-Reply-To: <20220425113009.2182485-1-luoxiaobing0926@gmail.com> References: <20220425113009.2182485-1-luoxiaobing0926@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220425_083943_312008_5940AC64 X-CRM114-Status: GOOD ( 16.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Dne ponedeljek, 25. april 2022 ob 13:30:09 CEST je Xiaobing Luo napisal(a): > -------------------------------------------- > unreferenced object 0xffff000010742a00 (size 128): > comm "swapper/0", pid 1, jiffies 4294902015 (age 1187.652s) > hex dump (first 32 bytes): > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > backtrace: > [<00000000b4dfebaa>] __kmalloc+0x338/0x474 > [<00000000d6e716db>] sun50i_cpufreq_nvmem_probe+0xc4/0x36c > [<000000007d6082a0>] platform_probe+0x98/0x11c > [<00000000c990f549>] really_probe+0x234/0x5a0 > [<000000002d9fecc6>] __driver_probe_device+0x194/0x224 > [<00000000cf0b94fa>] driver_probe_device+0x64/0x13c > [<00000000f238e4cf>] __device_attach_driver+0xf8/0x180 > [<000000006720e418>] bus_for_each_drv+0xf8/0x160 > [<00000000df4f14f6>] __device_attach+0x174/0x29c > [<00000000782002fb>] device_initial_probe+0x20/0x30 > [<00000000c2681b06>] bus_probe_device+0xfc/0x110 > [<00000000964cf3bd>] device_add+0x5f0/0xcd0 > [<000000004b9264e3>] platform_device_add+0x198/0x390 > [<00000000fa82a9d0>] platform_device_register_full+0x178/0x210 > [<000000009a5daf13>] sun50i_cpufreq_init+0xf8/0x168 > [<000000000377cc7c>] do_one_initcall+0xe4/0x570 > -------------------------------------------- > > if sun50i_cpufreq_get_efuse failed, then opp_tables leak. > > Fixes: f328584f7bff ("cpufreq: Add sun50i nvmem based CPU scaling driver") > Signed-off-by: Xiaobing Luo This patch was already applied (v2). Best regards, Jernej > --- > drivers/cpufreq/sun50i-cpufreq-nvmem.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/cpufreq/sun50i-cpufreq-nvmem.c b/drivers/cpufreq/sun50i- cpufreq-nvmem.c > index 2deed8d8773f..75e1bf3a08f7 100644 > --- a/drivers/cpufreq/sun50i-cpufreq-nvmem.c > +++ b/drivers/cpufreq/sun50i-cpufreq-nvmem.c > @@ -98,8 +98,10 @@ static int sun50i_cpufreq_nvmem_probe(struct platform_device *pdev) > return -ENOMEM; > > ret = sun50i_cpufreq_get_efuse(&speed); > - if (ret) > + if (ret) { > + kfree(opp_tables); > return ret; > + } > > snprintf(name, MAX_NAME_LEN, "speed%d", speed); > > -- > 2.36.0 > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel