From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3EE71C83016 for ; Thu, 19 Nov 2020 15:44:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 153792224A for ; Thu, 19 Nov 2020 15:44:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728829AbgKSPod (ORCPT ); Thu, 19 Nov 2020 10:44:33 -0500 Received: from mx0a-00128a01.pphosted.com ([148.163.135.77]:44224 "EHLO mx0a-00128a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728821AbgKSPoa (ORCPT ); Thu, 19 Nov 2020 10:44:30 -0500 Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0AJFiTjG025051; Thu, 19 Nov 2020 10:44:29 -0500 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com with ESMTP id 34t9ybtmkg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 19 Nov 2020 10:44:29 -0500 Received: from SCSQMBX10.ad.analog.com (SCSQMBX10.ad.analog.com [10.77.17.5]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 0AJFiG1a035828 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Thu, 19 Nov 2020 10:44:18 -0500 Received: from SCSQCASHYB7.ad.analog.com (10.77.17.133) by SCSQMBX10.ad.analog.com (10.77.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Thu, 19 Nov 2020 07:43:53 -0800 Received: from SCSQMBX10.ad.analog.com (10.77.17.5) by SCSQCASHYB7.ad.analog.com (10.77.17.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Thu, 19 Nov 2020 07:43:53 -0800 Received: from zeus.spd.analog.com (10.66.68.11) by SCSQMBX10.ad.analog.com (10.77.17.5) with Microsoft SMTP Server id 15.1.1779.2 via Frontend Transport; Thu, 19 Nov 2020 07:43:52 -0800 Received: from localhost.localdomain ([10.48.65.12]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 0AJFhotP032189; Thu, 19 Nov 2020 10:43:50 -0500 From: Alexandru Ardelean To: CC: , Alexandru Ardelean Subject: [PATCH 1/4] uio: uio_cif: use devm_kzalloc() for uio_info object Date: Thu, 19 Nov 2020 17:49:00 +0200 Message-ID: <20201119154903.82099-1-alexandru.ardelean@analog.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-11-19_09:2020-11-19,2020-11-19 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxscore=0 priorityscore=1501 suspectscore=3 impostorscore=0 lowpriorityscore=0 bulkscore=0 clxscore=1015 spamscore=0 adultscore=0 mlxlogscore=639 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011190117 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The uio_info object is free'd last, so it's life-time is tied PCI device object. Using devm_kzalloc() cleans up the error path a bit and the exit path. Signed-off-by: Alexandru Ardelean --- drivers/uio/uio_cif.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/uio/uio_cif.c b/drivers/uio/uio_cif.c index ab60186f9759..653f842a1491 100644 --- a/drivers/uio/uio_cif.c +++ b/drivers/uio/uio_cif.c @@ -43,12 +43,12 @@ static int hilscher_pci_probe(struct pci_dev *dev, { struct uio_info *info; - info = kzalloc(sizeof(struct uio_info), GFP_KERNEL); + info = devm_kzalloc(&dev->dev, sizeof(struct uio_info), GFP_KERNEL); if (!info) return -ENOMEM; if (pci_enable_device(dev)) - goto out_free; + return -ENODEV; if (pci_request_regions(dev, "hilscher")) goto out_disable; @@ -92,8 +92,6 @@ static int hilscher_pci_probe(struct pci_dev *dev, pci_release_regions(dev); out_disable: pci_disable_device(dev); -out_free: - kfree (info); return -ENODEV; } @@ -105,8 +103,6 @@ static void hilscher_pci_remove(struct pci_dev *dev) pci_release_regions(dev); pci_disable_device(dev); iounmap(info->mem[0].internal_addr); - - kfree (info); } static struct pci_device_id hilscher_pci_ids[] = { -- 2.17.1