From patchwork Thu Nov 3 08:08:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramona Bolboaca X-Patchwork-Id: 13029684 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 52F55C43219 for ; Thu, 3 Nov 2022 08:09:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231477AbiKCIJW (ORCPT ); Thu, 3 Nov 2022 04:09:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57370 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231146AbiKCIJL (ORCPT ); Thu, 3 Nov 2022 04:09:11 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EADE6B9B; Thu, 3 Nov 2022 01:09:10 -0700 (PDT) Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2A382Amf007938; Thu, 3 Nov 2022 04:09:09 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3kjn9u0rqp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 03 Nov 2022 04:09:08 -0400 Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 2A3897kU004130 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 3 Nov 2022 04:09:07 -0400 Received: from ASHBCASHYB4.ad.analog.com (10.64.17.132) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Thu, 3 Nov 2022 04:09:06 -0400 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBCASHYB4.ad.analog.com (10.64.17.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Thu, 3 Nov 2022 04:09:06 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Thu, 3 Nov 2022 04:09:06 -0400 Received: from rbolboac.ad.analog.com ([10.48.65.139]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 2A388q0L009844; Thu, 3 Nov 2022 04:08:59 -0400 From: Ramona Bolboaca To: , , CC: Ramona Bolboaca Subject: [PATCH v2 3/8] iio: gyro: adis16136: Fix deadlock in probe Date: Thu, 3 Nov 2022 10:08:42 +0200 Message-ID: <20221103080847.162509-4-ramona.bolboaca@analog.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221103080847.162509-1-ramona.bolboaca@analog.com> References: <20221103080847.162509-1-ramona.bolboaca@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: k1YD-_HqlFEXZeY9Odu00E7hqFzjcY6a X-Proofpoint-ORIG-GUID: k1YD-_HqlFEXZeY9Odu00E7hqFzjcY6a X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-02_15,2022-11-02_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 mlxscore=0 spamscore=0 impostorscore=0 clxscore=1015 suspectscore=0 mlxlogscore=999 phishscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211030057 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Use '__adis_initial_startup()' instead of 'adis_initial_startup()' to avoid deadlock. When using 'adis_initial_startup()' 'mutex_lock()' is called twice, without releasing it (once inside 'adis_initial_startup()' and once inside 'adis_enable_irq()'). Fixes: b600bd7eb3335 ("iio: adis: do not disabe IRQs in 'adis_init()'") Signed-off-by: Ramona Bolboaca --- changes in v2: - changed commit in 'Fixes' tag to the correct commit - added commas and brackets for functions in commit message drivers/iio/gyro/adis16136.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/gyro/adis16136.c b/drivers/iio/gyro/adis16136.c index 71295709f2b9..c95cf41be34b 100644 --- a/drivers/iio/gyro/adis16136.c +++ b/drivers/iio/gyro/adis16136.c @@ -429,7 +429,7 @@ static int adis16136_initial_setup(struct iio_dev *indio_dev) uint16_t prod_id; int ret; - ret = adis_initial_startup(&adis16136->adis); + ret = __adis_initial_startup(&adis16136->adis); if (ret) return ret;