From patchwork Mon Dec 7 13:12:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julian Wiedmann X-Patchwork-Id: 339543 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, 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 A8CF0C1B0E3 for ; Mon, 7 Dec 2020 13:13:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7691022C7C for ; Mon, 7 Dec 2020 13:13:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726531AbgLGNN3 (ORCPT ); Mon, 7 Dec 2020 08:13:29 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:4570 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725994AbgLGNNZ (ORCPT ); Mon, 7 Dec 2020 08:13:25 -0500 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0B7D3sYo156925; Mon, 7 Dec 2020 08:12:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=pp1; bh=1GGuCG5/vrNUI2W87fr44kb7dIsquH04Z/K6O/GGrjs=; b=aXsGsUSHI3VYlMPezOXOe3zY7m8RoAtfYiKv3nrle1T7lG3nvpFBqU0OUcRy0x0PJl+a ej6pdvhk/P27xxtHpyDQ7FAfj4nOIk9u4LEA/kYcRNgXMhHGDgEWkrNc4iwWyll1qTEn 2CUTG2ZYGHM6uzFEX/4FnnIkU/fMETX7c2Y71SlunlKJ+GrGShvhPh3Qp7S64ch9UPNl NckB/XQ6aMx07WwYPLcbJChS7DCy8nEQOnr7Q/LcxQ8nF+GEKMM+OPeDiN5c67HK+64Y NO3DFBgHVlhqPCGtccpUNojTmuq3ZT1oWYg8cwLlCny+9S4TJWEJokrw78fzrKMeNNQF uQ== Received: from ppma04ams.nl.ibm.com (63.31.33a9.ip4.static.sl-reverse.com [169.51.49.99]) by mx0b-001b2d01.pphosted.com with ESMTP id 359m0pt5f5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 07 Dec 2020 08:12:40 -0500 Received: from pps.filterd (ppma04ams.nl.ibm.com [127.0.0.1]) by ppma04ams.nl.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 0B7DCdlu000920; Mon, 7 Dec 2020 13:12:39 GMT Received: from b06cxnps3075.portsmouth.uk.ibm.com (d06relay10.portsmouth.uk.ibm.com [9.149.109.195]) by ppma04ams.nl.ibm.com with ESMTP id 3583svjdhb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 07 Dec 2020 13:12:39 +0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0B7DCaJm22872358 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 7 Dec 2020 13:12:36 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3FCDB11C054; Mon, 7 Dec 2020 13:12:36 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 09A7511C04C; Mon, 7 Dec 2020 13:12:36 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 7 Dec 2020 13:12:35 +0000 (GMT) From: Julian Wiedmann To: David Miller , Jakub Kicinski Cc: linux-netdev , linux-s390 , Heiko Carstens , Karsten Graul , Julian Wiedmann Subject: [PATCH net-next 1/6] s390/qeth: don't call INIT_LIST_HEAD() on iob's list entry Date: Mon, 7 Dec 2020 14:12:28 +0100 Message-Id: <20201207131233.90383-2-jwi@linux.ibm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201207131233.90383-1-jwi@linux.ibm.com> References: <20201207131233.90383-1-jwi@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343, 18.0.737 definitions=2020-12-07_11:2020-12-04,2020-12-07 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxlogscore=999 suspectscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 clxscore=1015 adultscore=0 spamscore=0 lowpriorityscore=0 phishscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012070080 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org INIT_LIST_HEAD() only needs to be called on actual list heads. While at it clarify the naming of the field. Suggested-by: Vasily Gorbik Signed-off-by: Julian Wiedmann --- drivers/s390/net/qeth_core.h | 2 +- drivers/s390/net/qeth_core_main.c | 9 ++++----- 2 files changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 0e9af2fbaa76..69b474f8735e 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -624,7 +624,7 @@ struct qeth_reply { }; struct qeth_cmd_buffer { - struct list_head list; + struct list_head list_entry; struct completion done; spinlock_t lock; unsigned int length; diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 319190824cd2..8171b9d3a70e 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -615,7 +615,7 @@ static void qeth_enqueue_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob) { spin_lock_irq(&card->lock); - list_add_tail(&iob->list, &card->cmd_waiter_list); + list_add_tail(&iob->list_entry, &card->cmd_waiter_list); spin_unlock_irq(&card->lock); } @@ -623,7 +623,7 @@ static void qeth_dequeue_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob) { spin_lock_irq(&card->lock); - list_del(&iob->list); + list_del(&iob->list_entry); spin_unlock_irq(&card->lock); } @@ -977,7 +977,7 @@ static void qeth_clear_ipacmd_list(struct qeth_card *card) QETH_CARD_TEXT(card, 4, "clipalst"); spin_lock_irqsave(&card->lock, flags); - list_for_each_entry(iob, &card->cmd_waiter_list, list) + list_for_each_entry(iob, &card->cmd_waiter_list, list_entry) qeth_notify_cmd(iob, -ECANCELED); spin_unlock_irqrestore(&card->lock, flags); } @@ -1047,7 +1047,6 @@ struct qeth_cmd_buffer *qeth_alloc_cmd(struct qeth_channel *channel, init_completion(&iob->done); spin_lock_init(&iob->lock); - INIT_LIST_HEAD(&iob->list); refcount_set(&iob->ref_count, 1); iob->channel = channel; iob->timeout = timeout; @@ -1094,7 +1093,7 @@ static void qeth_issue_next_read_cb(struct qeth_card *card, /* match against pending cmd requests */ spin_lock_irqsave(&card->lock, flags); - list_for_each_entry(tmp, &card->cmd_waiter_list, list) { + list_for_each_entry(tmp, &card->cmd_waiter_list, list_entry) { if (tmp->match && tmp->match(tmp, iob)) { request = tmp; /* take the object outside the lock */