From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Julian Wiedmann Subject: [PATCH net 2/3] s390/qeth: fix race when initializing the IP address table Date: Mon, 18 Mar 2019 16:40:55 +0100 In-Reply-To: <20190318154056.4231-1-jwi@linux.ibm.com> References: <20190318154056.4231-1-jwi@linux.ibm.com> Message-Id: <20190318154056.4231-3-jwi@linux.ibm.com> Sender: netdev-owner@vger.kernel.org List-Archive: List-Post: To: David Miller Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org, Martin Schwidefsky , Heiko Carstens , Stefan Raspl , Ursula Braun , Julian Wiedmann List-ID: The ucast IP table is utilized by some of the L3-specific sysfs attributes that qeth_l3_create_device_attributes() provides. So initialize the table _before_ registering the attributes. Fixes: ebccc7397e4a ("s390/qeth: add missing hash table initializations") Signed-off-by: Julian Wiedmann --- drivers/s390/net/qeth_l3_main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 2f002843b16e..d805e72edb58 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2253,12 +2253,14 @@ static int qeth_l3_probe_device(struct ccwgroup_device *gdev) struct qeth_card *card = dev_get_drvdata(&gdev->dev); int rc; + hash_init(card->ip_htable); + if (gdev->dev.type == &qeth_generic_devtype) { rc = qeth_l3_create_device_attributes(&gdev->dev); if (rc) return rc; } - hash_init(card->ip_htable); + hash_init(card->ip_mc_htable); return 0; } -- 2.16.4 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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,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 19A6CC43381 for ; Mon, 18 Mar 2019 15:41:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E368320854 for ; Mon, 18 Mar 2019 15:41:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727510AbfCRPlL (ORCPT ); Mon, 18 Mar 2019 11:41:11 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:43076 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727409AbfCRPlL (ORCPT ); Mon, 18 Mar 2019 11:41:11 -0400 Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x2IFdvom015097 for ; Mon, 18 Mar 2019 11:41:10 -0400 Received: from e06smtp02.uk.ibm.com (e06smtp02.uk.ibm.com [195.75.94.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 2rad8qatfx-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 18 Mar 2019 11:41:09 -0400 Received: from localhost by e06smtp02.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 18 Mar 2019 15:41:03 -0000 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x2IFf3ov26345628 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 18 Mar 2019 15:41:03 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C2263AE04D; Mon, 18 Mar 2019 15:41:03 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8114EAE051; Mon, 18 Mar 2019 15:41:03 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Mon, 18 Mar 2019 15:41:03 +0000 (GMT) From: Julian Wiedmann To: David Miller Cc: , , Martin Schwidefsky , Heiko Carstens , Stefan Raspl , Ursula Braun , Julian Wiedmann Subject: [PATCH net 2/3] s390/qeth: fix race when initializing the IP address table Date: Mon, 18 Mar 2019 16:40:55 +0100 X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190318154056.4231-1-jwi@linux.ibm.com> References: <20190318154056.4231-1-jwi@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19031815-0008-0000-0000-000002CEC1A5 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19031815-0009-0000-0000-0000223AD0A2 Message-Id: <20190318154056.4231-3-jwi@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-03-18_10:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903180116 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The ucast IP table is utilized by some of the L3-specific sysfs attributes that qeth_l3_create_device_attributes() provides. So initialize the table _before_ registering the attributes. Fixes: ebccc7397e4a ("s390/qeth: add missing hash table initializations") Signed-off-by: Julian Wiedmann --- drivers/s390/net/qeth_l3_main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 2f002843b16e..d805e72edb58 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2253,12 +2253,14 @@ static int qeth_l3_probe_device(struct ccwgroup_device *gdev) struct qeth_card *card = dev_get_drvdata(&gdev->dev); int rc; + hash_init(card->ip_htable); + if (gdev->dev.type == &qeth_generic_devtype) { rc = qeth_l3_create_device_attributes(&gdev->dev); if (rc) return rc; } - hash_init(card->ip_htable); + hash_init(card->ip_mc_htable); return 0; } -- 2.16.4