From patchwork Mon Jan 9 22:38:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 13094437 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 08AEBC54EBD for ; Mon, 9 Jan 2023 22:38:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237874AbjAIWiq (ORCPT ); Mon, 9 Jan 2023 17:38:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55586 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237882AbjAIWi2 (ORCPT ); Mon, 9 Jan 2023 17:38:28 -0500 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E573CF58C; Mon, 9 Jan 2023 14:38:27 -0800 (PST) Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 309MbkGu032609; Mon, 9 Jan 2023 22:38:25 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=KHkX2qla0WMOOX/Cuolafu0c+RlMeR7/ZIVBb5MV4Ko=; b=jya0sKnHJkQ5JI8Q/oitsEKrmKpov4SpaPWC2EUDY5kOCjS77IqJnmbJiNabQIMPyQOR K7gRbtcdIcXUMqYZwP6DwlRWjZNKEPx6429JtdK3IJuPzy8PC7axRjdPOHwdzUqb82TB zrcrJgDm9J2B9dqlOvjQyB2tULpZDu8yisJR9JxZkcD0D3reFv2oDnJ+N5d3AMvsIEAM bUZ/lZ/x0IBJe8IXfUAapBD86/uttwORG+yzviAkS+PZf+HqLIu/qtZu7PUiYt66pylF IIw/90Jx1EJb64/nbDA0ZLD9dwbOMWOxDSxqe6eudV3vM/1i0jyainw9NtCfv31onYYv +Q== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3n0q28gk67-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 09 Jan 2023 22:38:24 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 309McNRa024995 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 9 Jan 2023 22:38:23 GMT Received: from hu-bjorande-lv.qualcomm.com (10.49.16.6) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Mon, 9 Jan 2023 14:38:23 -0800 From: Bjorn Andersson To: Bjorn Andersson , Mathieu Poirier CC: "open list:ARM/QUALCOMM SUPPORT" , "open list:REMOTE PROCESSOR MESSAGING (RPMSG) SUBSYSTEM" , open list , Chris Lew Subject: [PATCH] rpmsg: glink: Release driver_override Date: Mon, 9 Jan 2023 14:38:18 -0800 Message-ID: <20230109223818.1706292-1-quic_bjorande@quicinc.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: PuYziX5vupY8zLrEIGuaYFJ_z57zMPZ8 X-Proofpoint-GUID: PuYziX5vupY8zLrEIGuaYFJ_z57zMPZ8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2023-01-09_14,2023-01-09_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 lowpriorityscore=0 mlxlogscore=999 malwarescore=0 suspectscore=0 adultscore=0 spamscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301090157 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Upon termination of the rpmsg_device, driver_override needs to be freed to avoid leaking the potentially assigned string. Fixes: 42cd402b8fd4 ("rpmsg: Fix kfree() of static memory on setting driver_override") Fixes: 39e47767ec9b ("rpmsg: Add driver_override device attribute for rpmsg_device") Signed-off-by: Bjorn Andersson Reviewed-by: Chris Lew --- drivers/rpmsg/qcom_glink_native.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 8620eea1dc8a..046271e439c5 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -1454,6 +1454,7 @@ static void qcom_glink_rpdev_release(struct device *dev) { struct rpmsg_device *rpdev = to_rpmsg_device(dev); + kfree(rpdev->driver_override); kfree(rpdev); } @@ -1697,6 +1698,7 @@ static void qcom_glink_device_release(struct device *dev) /* Release qcom_glink_alloc_channel() reference */ kref_put(&channel->refcount, qcom_glink_channel_release); + kfree(rpdev->driver_override); kfree(rpdev); }