From patchwork Fri Oct 11 14:09:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vikram Sharma X-Patchwork-Id: 834646 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 9CDF2D517; Fri, 11 Oct 2024 14:10:29 +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=1728655831; cv=none; b=bra1xIKtyG+OZ5qCP4EeqDjMk1ZqmjjoHwYQlNr1sipwKK436PqSgxJFSsSbSvwzx0/y253+FTUlxR/ZFhGaFOj2GfWebYnLQrmCraYjuZ/01JUXs8d5h4rS5KD3Oeq3NgUehZPLM+RAnBB8zUkgSDe9c60iQ/yxoNKB/klIiDU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728655831; c=relaxed/simple; bh=Brgos7CnbGWGJd2NtGmjE5E3I+CrnBntojNJAEtJTMs=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=JTkILvsz8BHzpbNrYWzJ2QMJvxADVNg3kMRiAvoi/B2JUNDaviKGdZ5169HbvVSreqLvgwQ2bwUeLHpgt6CssEdZKPNButr44C7taGVboiQZ+8TjWkJdiKFOyg8w0+3S3KF0VYppDgudsEbpbNuF39VmRAHV0MyGmdg0uZYNCj0= 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=ltps0kap; 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="ltps0kap" Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 49B8opDK002583; Fri, 11 Oct 2024 14:10:17 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= gqsoG9dX1i/Jsd1PxLP9Cg2HimFmmvo9dg/nrBtxc7g=; b=ltps0kap7j0WfZVJ UAfN8CuiVKWCK+pvom7yTdw/5e45BANmQCga7+YTrPOuK+mgK+uXl7BveCQB9T/6 S/4ubk/r3tRUg6NVyq/pNn3Nct2P7LegsVHAwKVRj6k3j6IiVCtAcDVed2EeQaGY +XuRShBLXS83y4fFw1pylPs5VMOeNuOGOpqk4GAoSjc6sSqlqb9q6rJ67+//UsgQ bEzo0knFXWkU4p7RmyQPlgSIrjiLHilsT0ew9lyI3Eq+RTy89aU7PxTaEXIwn+NM NuZ8dsz+OhZRs6ifZ6tAdG14eg56UaYgWfVb3DcYSeDU3XrWaDAZjcpsmsOiS9U9 ovv2Ww== Received: from nasanppmta05.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 426nc2jhs7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 11 Oct 2024 14:10:16 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA05.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 49BEAF49004511 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 11 Oct 2024 14:10:15 GMT Received: from hu-vikramsa-hyd.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 11 Oct 2024 07:10:06 -0700 From: Vikram Sharma To: , , , , , , , , , , , , , , CC: , , , , , , , Subject: [PATCH v3 3/8] media: qcom: camss: Fix potential crash if domain attach fails Date: Fri, 11 Oct 2024 19:39:27 +0530 Message-ID: <20241011140932.1744124-4-quic_vikramsa@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241011140932.1744124-1-quic_vikramsa@quicinc.com> References: <20241011140932.1744124-1-quic_vikramsa@quicinc.com> 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 nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: WqnmlZC38mq4WpLIPdIrESwRRWUSQxPf X-Proofpoint-GUID: WqnmlZC38mq4WpLIPdIrESwRRWUSQxPf 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 adultscore=0 priorityscore=1501 bulkscore=0 mlxlogscore=999 lowpriorityscore=0 malwarescore=0 clxscore=1011 suspectscore=0 impostorscore=0 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410110098 Fix a potential crash in camss by ensuring detach is skipped if attach is unsuccessful. Fixes: d89751c61279 ("media: qcom: camss: Add support for named power-domains") CC: stable@vger.kernel.org Signed-off-by: Vikram Sharma --- drivers/media/platform/qcom/camss/camss.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c index d64985ca6e88..b6658df37709 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -2131,8 +2131,7 @@ static int camss_configure_pd(struct camss *camss) camss->genpd = dev_pm_domain_attach_by_name(camss->dev, camss->res->pd_name); if (IS_ERR(camss->genpd)) { - ret = PTR_ERR(camss->genpd); - goto fail_pm; + return PTR_ERR(camss->genpd); } } @@ -2149,7 +2148,7 @@ static int camss_configure_pd(struct camss *camss) ret = -ENODEV; else ret = PTR_ERR(camss->genpd); - goto fail_pm; + return ret; } camss->genpd_link = device_link_add(camss->dev, camss->genpd, DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME |