From patchwork Mon Mar 1 16:03:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 389386 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 15321C433E6 for ; Mon, 1 Mar 2021 19:36:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CB9D660241 for ; Mon, 1 Mar 2021 19:36:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242072AbhCATfF (ORCPT ); Mon, 1 Mar 2021 14:35:05 -0500 Received: from mail.kernel.org ([198.145.29.99]:48602 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241866AbhCAT3b (ORCPT ); Mon, 1 Mar 2021 14:29:31 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id CEA1964FAF; Mon, 1 Mar 2021 17:36:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614620205; bh=tCDPmrqyz8Ic824+AQZDAj529bEcuGdPZbFdlTfHn/I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qOcqkEnQwubVhblQ43ghMdUf/kb0HdxRFB9ovNNvDPxAqO1aQL/xH49Yrxlq2DHIX 1OyifQY/p17q1Y5w2ekJOCCSgtKFpb1jhGD1A2uv2DAfdD1KV1quwM/byXls/B/8Wb Zw5/n0E4R1+tRgy0D32XAqDRxD4lRR/jxtSrQaDI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dinghao Liu , Marcel Holtmann , Sasha Levin Subject: [PATCH 5.11 038/775] Bluetooth: hci_qca: Fix memleak in qca_controller_memdump Date: Mon, 1 Mar 2021 17:03:26 +0100 Message-Id: <20210301161203.599738195@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161201.679371205@linuxfoundation.org> References: <20210301161201.679371205@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Dinghao Liu [ Upstream commit 71f8e707557b9bc25dc90a59a752528d4e7c1cbf ] When __le32_to_cpu() fails, qca_memdump should be freed just like when vmalloc() fails. Fixes: d841502c79e3f ("Bluetooth: hci_qca: Collect controller memory dump during SSR") Signed-off-by: Dinghao Liu Signed-off-by: Marcel Holtmann Signed-off-by: Sasha Levin --- drivers/bluetooth/hci_qca.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 4a963682c7021..5dbcb7c42b805 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1024,7 +1024,9 @@ static void qca_controller_memdump(struct work_struct *work) dump_size = __le32_to_cpu(dump->dump_size); if (!(dump_size)) { bt_dev_err(hu->hdev, "Rx invalid memdump size"); + kfree(qca_memdump); kfree_skb(skb); + qca->qca_memdump = NULL; mutex_unlock(&qca->hci_memdump_lock); return; }