From patchwork Tue Jan 12 18:14:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sukadev Bhattiprolu X-Patchwork-Id: 361658 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 97A8BC43331 for ; Tue, 12 Jan 2021 18:15:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 70D712311F for ; Tue, 12 Jan 2021 18:15:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392205AbhALSPp (ORCPT ); Tue, 12 Jan 2021 13:15:45 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:60886 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2392468AbhALSP3 (ORCPT ); Tue, 12 Jan 2021 13:15:29 -0500 Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 10CICn7W058218 for ; Tue, 12 Jan 2021 13:14:47 -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 : mime-version : content-transfer-encoding; s=pp1; bh=x9nLvcCcATPiWc8GCmte9Mken5FdlFO8aFeDAIzywCI=; b=TEV7vqYPXN0HySO2W2up0v/mTVbT/4S/HtUiFOHnAlj16gfQFpxt23Hw7mt7nm8zUEg+ A5D4RgM2HqF8DlyAYMfHw2UunOYnIdpxsbvJz4zhVGkFKKBv41bHiq0KctEO645hLZSp e2pfMGGLtlgv2RUqWkSqzkOQUtcf/mG7HO6wwMunWLDRLMSBGUxCL772aPi9592ETx7H PFyKXUSBbzp3b8UVAYrbNpFxrPNcH0FZVzAu+pMac+e0m5Wi3MymgAvihCnDyF9ntJCa aB11lJIUA7IflDOfBq3baq+qWBDFxbgAOiTU3AO1sXenXSJORueiXsLBkt9XgS77BXD8 2A== Received: from ppma02wdc.us.ibm.com (aa.5b.37a9.ip4.static.sl-reverse.com [169.55.91.170]) by mx0b-001b2d01.pphosted.com with ESMTP id 361gugg1m2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 12 Jan 2021 13:14:47 -0500 Received: from pps.filterd (ppma02wdc.us.ibm.com [127.0.0.1]) by ppma02wdc.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 10CICCXH008162 for ; Tue, 12 Jan 2021 18:14:47 GMT Received: from b01cxnp23034.gho.pok.ibm.com (b01cxnp23034.gho.pok.ibm.com [9.57.198.29]) by ppma02wdc.us.ibm.com with ESMTP id 35y448yws8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 12 Jan 2021 18:14:47 +0000 Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp23034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 10CIEkp637945618 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 18:14:46 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A0B0FB206C; Tue, 12 Jan 2021 18:14:46 +0000 (GMT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EF51BB2066; Tue, 12 Jan 2021 18:14:45 +0000 (GMT) Received: from suka-w540.ibmuc.com (unknown [9.85.179.93]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 12 Jan 2021 18:14:45 +0000 (GMT) From: Sukadev Bhattiprolu To: netdev@vger.kernel.org Cc: Dany Madden , Lijun Pan , Rick Lindsley , sukadev@linux.ibm.com Subject: [PATCH net-next v2 4/7] ibmvnic: switch order of checks in ibmvnic_reset Date: Tue, 12 Jan 2021 10:14:38 -0800 Message-Id: <20210112181441.206545-5-sukadev@linux.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210112181441.206545-1-sukadev@linux.ibm.com> References: <20210112181441.206545-1-sukadev@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343, 18.0.737 definitions=2021-01-12_12:2021-01-12,2021-01-12 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 lowpriorityscore=0 phishscore=0 mlxscore=0 suspectscore=0 malwarescore=0 adultscore=0 impostorscore=0 mlxlogscore=999 clxscore=1015 priorityscore=1501 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120103 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org We check separately for REMOVING and PROBING in ibmvnic_reset(). Switch the order of checks to facilitate better locking when checking for REMOVING/REMOVED state. Fixes: 6a2fb0e99f9c ("ibmvnic: driver initialization for kdump/kexec") Signed-off-by: Sukadev Bhattiprolu --- drivers/net/ethernet/ibm/ibmvnic.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index d1c2aaed1478..ad551418ac63 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -2437,6 +2437,12 @@ static int ibmvnic_reset(struct ibmvnic_adapter *adapter, struct net_device *netdev = adapter->netdev; int ret; + if (adapter->state == VNIC_PROBING) { + netdev_warn(netdev, "Adapter reset during probe\n"); + ret = adapter->init_done_rc = EAGAIN; + goto err; + } + /* * If failover is pending don't schedule any other reset. * Instead let the failover complete. If there is already a @@ -2451,12 +2457,6 @@ static int ibmvnic_reset(struct ibmvnic_adapter *adapter, goto err; } - if (adapter->state == VNIC_PROBING) { - netdev_warn(netdev, "Adapter reset during probe\n"); - ret = adapter->init_done_rc = EAGAIN; - goto err; - } - /* If we just received a transport event, clear * any pending resets and add just this reset. */