From patchwork Fri Nov 11 01:23:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 624458 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C048FC4332F for ; Fri, 11 Nov 2022 01:25:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231874AbiKKBZc (ORCPT ); Thu, 10 Nov 2022 20:25:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47044 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229579AbiKKBZb (ORCPT ); Thu, 10 Nov 2022 20:25:31 -0500 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A288545ED4 for ; Thu, 10 Nov 2022 17:25:30 -0800 (PST) Received: from dggpemm500024.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4N7gxT2XYKzRp54 for ; Fri, 11 Nov 2022 09:25:17 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500024.china.huawei.com (7.185.36.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 11 Nov 2022 09:25:29 +0800 Received: from huawei.com (10.175.103.91) by dggpemm500007.china.huawei.com (7.185.36.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 11 Nov 2022 09:25:28 +0800 From: Yang Yingliang To: CC: , , Subject: [PATCH v2] PNP: fix name memory leak in pnp_alloc_dev() Date: Fri, 11 Nov 2022 09:23:58 +0800 Message-ID: <20221111012358.661210-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org After commit 1fa5ae857bb1 ("driver core: get rid of struct device's bus_id string array"), the name of device is allocated dynamically, move dev_set_name() after pnp_add_id() to avoid memory leak. Fixes: 1fa5ae857bb1 ("driver core: get rid of struct device's bus_id string array") Signed-off-by: Yang Yingliang Reviewed-by: Hanjun Guo --- v1 -> v2: Move dev_set_name() after pnp_add_id(). --- drivers/pnp/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c index 4df5aa6a309c..6a60c5d83383 100644 --- a/drivers/pnp/core.c +++ b/drivers/pnp/core.c @@ -148,14 +148,14 @@ struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *protocol, int id, dev->dev.coherent_dma_mask = dev->dma_mask; dev->dev.release = &pnp_release_device; - dev_set_name(&dev->dev, "%02x:%02x", dev->protocol->number, dev->number); - dev_id = pnp_add_id(dev, pnpid); if (!dev_id) { kfree(dev); return NULL; } + dev_set_name(&dev->dev, "%02x:%02x", dev->protocol->number, dev->number); + return dev; }