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 44773C282C4 for ; Tue, 12 Feb 2019 15:30:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1E0802084E for ; Tue, 12 Feb 2019 15:30:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729915AbfBLPaW (ORCPT ); Tue, 12 Feb 2019 10:30:22 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:38318 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728347AbfBLPaN (ORCPT ); Tue, 12 Feb 2019 10:30:13 -0500 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x1CFMAwM137937 for ; Tue, 12 Feb 2019 10:30:12 -0500 Received: from e06smtp04.uk.ibm.com (e06smtp04.uk.ibm.com [195.75.94.100]) by mx0b-001b2d01.pphosted.com with ESMTP id 2qkym0v31p-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 12 Feb 2019 10:30:12 -0500 Received: from localhost by e06smtp04.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 12 Feb 2019 15:30:10 -0000 Received: from b06cxnps3075.portsmouth.uk.ibm.com (9.149.109.195) by e06smtp04.uk.ibm.com (192.168.101.134) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 12 Feb 2019 15:30:07 -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 x1CFU6OG30605424 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 12 Feb 2019 15:30:06 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F112F11C052; Tue, 12 Feb 2019 15:30:05 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A79CA11C05B; Tue, 12 Feb 2019 15:30:05 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Tue, 12 Feb 2019 15:30:05 +0000 (GMT) From: Ursula Braun To: davem@davemloft.net Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, raspl@linux.ibm.com, ubraun@linux.ibm.com Subject: [PATCH net-next 5/7] net/smc: check connections in smc_lgr_free_work Date: Tue, 12 Feb 2019 16:29:54 +0100 X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190212152956.71041-1-ubraun@linux.ibm.com> References: <20190212152956.71041-1-ubraun@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19021215-0016-0000-0000-0000025594AD X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19021215-0017-0000-0000-000032AFB729 Message-Id: <20190212152956.71041-6-ubraun@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-02-12_08:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=3 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-1902120109 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Karsten Graul Remove the shortcut that smc_lgr_free() would skip the check for existing connections when the link group is not in the link group list. Signed-off-by: Karsten Graul Signed-off-by: Ursula Braun --- net/smc/smc_core.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index 349d789a9728..53a17cfa61af 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -160,8 +160,6 @@ static void smc_lgr_free_work(struct work_struct *work) bool conns; spin_lock_bh(&smc_lgr_list.lock); - if (list_empty(&lgr->list)) - goto free; read_lock_bh(&lgr->conns_lock); conns = RB_EMPTY_ROOT(&lgr->conns_all); read_unlock_bh(&lgr->conns_lock); @@ -169,8 +167,8 @@ static void smc_lgr_free_work(struct work_struct *work) spin_unlock_bh(&smc_lgr_list.lock); return; } - list_del_init(&lgr->list); /* remove from smc_lgr_list */ -free: + if (!list_empty(&lgr->list)) + list_del_init(&lgr->list); /* remove from smc_lgr_list */ spin_unlock_bh(&smc_lgr_list.lock); if (!lgr->is_smcd && !lgr->terminating) { -- 2.16.4