From patchwork Wed Oct 16 14:48:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manikanta Mylavarapu X-Patchwork-Id: 836224 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 8520B20ADEA; Wed, 16 Oct 2024 14:49:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729090188; cv=none; b=DleBC8lmod0V+xke1Zy6MhPwOAWmJsiXJZnzc2x93F6JKM1KMY/3MXdlZr9s8uIoJuKeYw4hyX6Tpf4J+Q7Ybm0Vjd/4YZO2rgL2PHHUxooPzddiKZy0J26DcT9AnJrMka3fRBgwVRUSwr1AxcbsIITRRSbU7HMLB6Ou2RTpRPs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729090188; c=relaxed/simple; bh=lJSe30HFEW7s3wD5KSVYwrMaFRwVVwHeZdBtCDnPE4o=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=hGvNQ5X9gAtGP3WDXTnTvkHTJPWQHMr7DaFpLPjkyOCGEiOclEEKh1eY5fxvF79OqrhpnDIsxmH2mw1TdlAAKHwLeOXpv5Af1Nx3RSgX19N3cKNIrEJDdNi/zHQg5XLh1avAzCDDfcu5POMG6krhuGSAfK7ehJ1v518mWeFZYY8= 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=gJyhIZpx; arc=none smtp.client-ip=205.220.180.131 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="gJyhIZpx" Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 49GA0sFA013279; Wed, 16 Oct 2024 14:49:34 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=KXDcddpvwlveSy8Xs2uvrS kEQq/4/h9QKASZAMIf+Cc=; b=gJyhIZpxA5Ui9vCBx1glHOpwqszH7HWhuZ+iHw h7SG2JFIop/Jh4frn0RNt6o67XUH9V5YZALDdjt7Io7eXmPUVbqrvG4snlDY015k lzvFQaXaIYngrA53lMh6zBjvnXOpp786pvfSlXngn2EVtoWBvkxItKiLo4U0nIdH MMTOqGVzs/Vpw+MIOqxz5wqo/ZE4vYt/SHkq2NmEfe234V46QIjLkeWHpJ6iS4Yk s0H8Q6oOcfZUCnLcrWGum6AudDZcocFfcTsWjeSTIBw0CdmdK+q0oZkk9INwelLk InEi5q9GIwGhEKMHmckj+Fp17k2AhweuQFU8eXrpiLwPM1cg== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 42abbxrxk0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 16 Oct 2024 14:49:33 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA03.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 49GEnWu7013349 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 16 Oct 2024 14:49:32 GMT Received: from hu-mmanikan-blr.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 16 Oct 2024 07:49:30 -0700 From: Manikanta Mylavarapu To: , , , , CC: , Subject: [PATCH 1/1] soc: qcom: socinfo: fix revision check in qcom_socinfo_probe() Date: Wed, 16 Oct 2024 20:18:52 +0530 Message-ID: <20241016144852.2888679-1-quic_mmanikan@quicinc.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 8IOmTUeAOCkI2boAgPDBPmVAhUzGAFqS X-Proofpoint-GUID: 8IOmTUeAOCkI2boAgPDBPmVAhUzGAFqS 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 phishscore=0 clxscore=1011 priorityscore=1501 impostorscore=0 mlxscore=0 mlxlogscore=999 bulkscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410160092 In success case, the revision holds a non-null pointer. The current logic incorrectly returns an error for a non-null pointer, whereas it should return an error for a null pointer. The socinfo driver for IPQ9574 and IPQ5332 is currently broken, resulting in the following error message qcom-socinfo qcom-socinfo: probe with driver qcom-socinfo failed with error -12 Add a null check for the revision to ensure it returns an error only in failure case (null pointer). Fixes: e694d2b5c58b ("soc: qcom: Add check devm_kasprintf() returned value") Signed-off-by: Manikanta Mylavarapu --- drivers/soc/qcom/socinfo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c index 3c14df7a382c..ecfd3da9d5e8 100644 --- a/drivers/soc/qcom/socinfo.c +++ b/drivers/soc/qcom/socinfo.c @@ -786,7 +786,7 @@ static int qcom_socinfo_probe(struct platform_device *pdev) qs->attr.revision = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%u.%u", SOCINFO_MAJOR(le32_to_cpu(info->ver)), SOCINFO_MINOR(le32_to_cpu(info->ver))); - if (!qs->attr.soc_id || qs->attr.revision) + if (!qs->attr.soc_id || !qs->attr.revision) return -ENOMEM; if (offsetof(struct socinfo, serial_num) <= item_size) {