From patchwork Thu Oct 24 21:47:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Youssef Samir X-Patchwork-Id: 838143 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C2BA418A6C0; Thu, 24 Oct 2024 21:47:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729806451; cv=none; b=shlJtrbTez9U4mVCSgE9s4TTyPRtr+UuRu3Ue5yZXvfSdLNslGy3aNBDDVg+6EnNMUK+h/R3gSemY7M5QbWkV/tfOZk1IGEaiqH0toi0KStLgLTO9CJriyCtEp09U4zikO+7dy8tcnHwyANOC8Sesxd2TGnZRG9IzYt4olzLC+Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729806451; c=relaxed/simple; bh=i9xjxW3QP5AElS0UBjwZccDzXY4Hmvmi9D6GU0Kj8Jc=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=MW2egVWT79jcC4YU6qsclivuh6fsxLnbvEr9GgVSUNOKWaLf86eEhiO8mULQNwVEvvRV7e8SxRZHfAVBjVLZRISlaWucwVjrA0qgaodqVob+L54oX72wjEBTyHd/00gwCnCuR9TY0qS0ULAoeXISbLXR8SMWI1NYnuNPTUVeOK0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=XmzP7td5; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="XmzP7td5" Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 49OA3RRi016912; Thu, 24 Oct 2024 21:47:27 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to; s=qcppdkim1; bh=vKlKIskfspVezwVcmZJM85 f5ydIWZt7M17Yi8dukQWk=; b=XmzP7td5xuopoO5dkMC2PLj/ogbvFo31kT34D2 uY0S68WyVYYn/ABpFQbbr7JQr5fxBKtFF6FZz4stnJGBWORVHLhkxWK5+TBfsDSG LMzyEnp8fSoZ5srTlq0JZ3C4cQQPGeQ3pQ999RujArR5L7QoK6ItYbhCiayRFVWG jeQeRIMyTxzFwwUdLtv6bj7fYELPF/hyli4BtIe7jg3+MMozjYDiAG0j7e7jS4BE HmOrjUnM83xshYu5Gr1luSMNEEyYMQ1saxsZCwmuZIoewn7zvXdwlgm6KjV0pCS8 ghHqW53KPZpJl5RhhyN302Ms8g6E5as1APyr5ENVAPkQwhKA== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 42em3xq1dp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 24 Oct 2024 21:47:26 +0000 (GMT) Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA02.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 49OLlQVO003069 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 24 Oct 2024 21:47:26 GMT Received: from hu-yabdulra-ams.qualcomm.com (10.80.80.8) 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 15.2.1544.9; Thu, 24 Oct 2024 14:47:24 -0700 From: Youssef Samir To: CC: , , , Jeffrey Hugo Subject: [PATCH] bus: mhi: host: Free mhi_buf vector inside mhi_alloc_bhie_table() Date: Thu, 24 Oct 2024 23:47:15 +0200 Message-ID: <20241024214715.1208940-1-quic_yabdulra@quicinc.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) 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-GUID: CxcqCd34is9LAU2lXfxpKHDn_36Q_bxi X-Proofpoint-ORIG-GUID: CxcqCd34is9LAU2lXfxpKHDn_36Q_bxi X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 impostorscore=0 mlxscore=0 bulkscore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=987 malwarescore=0 priorityscore=1501 adultscore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410240178 mhi_alloc_bhie_table() starts by allocating a vector of struct mhi_buf then it allocates a DMA buffer for each element. If allocation fails, it will free the allocated DMA buffers, but it neglects freeing the mhi_buf vector. Avoid memory leaks by freeing the mhi_buf vector on error. Fixes: 3000f85b8f47 ("bus: mhi: core: Add support for basic PM operations") Signed-off-by: Youssef Samir Reviewed-by: Jeffrey Hugo --- drivers/bus/mhi/host/boot.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/bus/mhi/host/boot.c b/drivers/bus/mhi/host/boot.c index 21bf042db9be..2e9ef55a566a 100644 --- a/drivers/bus/mhi/host/boot.c +++ b/drivers/bus/mhi/host/boot.c @@ -415,6 +415,7 @@ int mhi_alloc_bhie_table(struct mhi_controller *mhi_cntrl, for (--i, --mhi_buf; i >= 0; i--, mhi_buf--) dma_free_coherent(mhi_cntrl->cntrl_dev, mhi_buf->len, mhi_buf->buf, mhi_buf->dma_addr); + kfree(img_info->mhi_buf); error_alloc_mhi_buf: kfree(img_info);