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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS 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 5F9BAC43441 for ; Tue, 27 Nov 2018 19:28:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2BF6D20645 for ; Tue, 27 Nov 2018 19:28:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2BF6D20645 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726987AbeK1G1v (ORCPT ); Wed, 28 Nov 2018 01:27:51 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55734 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725788AbeK1G1v (ORCPT ); Wed, 28 Nov 2018 01:27:51 -0500 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2DAA237EEF; Tue, 27 Nov 2018 19:28:56 +0000 (UTC) Received: from dhcp-17-98.bos.redhat.com (dhcp-17-179.bos.redhat.com [10.18.17.179]) by smtp.corp.redhat.com (Postfix) with ESMTP id 32B31608C1; Tue, 27 Nov 2018 19:28:54 +0000 (UTC) From: Cathy Avery To: martin.petersen@oracle.com, jejb@linux.vnet.ibm.com, hch@lst.de, jgill@vmware.com Cc: emilne@redhat.com, devel@linuxdriverproject.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH] scsi: vmw_pscsi: Rearrange code to avoid multiple calls to free_irq during unload Date: Tue, 27 Nov 2018 14:28:53 -0500 Message-Id: <1543346933-440-1-git-send-email-cavery@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Tue, 27 Nov 2018 19:28:56 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currently pvscsi_remove calls free_irq more than once as pvscsi_release_resources and __pvscsi_shutdown both call pvscsi_shutdown_intr. This results in a 'Trying to free already-free IRQ' warning and stack trace. To solve the problem pvscsi_shutdown_intr has been moved out of pvscsi_release_resources. Signed-off-by: Cathy Avery Reviewed-by: Ewan D. Milne --- drivers/scsi/vmw_pvscsi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index 6e49102..0d6b2a8 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -1202,8 +1202,6 @@ static void pvscsi_shutdown_intr(struct pvscsi_adapter *adapter) static void pvscsi_release_resources(struct pvscsi_adapter *adapter) { - pvscsi_shutdown_intr(adapter); - if (adapter->workqueue) destroy_workqueue(adapter->workqueue); @@ -1534,6 +1532,7 @@ static int pvscsi_probe(struct pci_dev *pdev, const struct pci_device_id *id) out_reset_adapter: ll_adapter_reset(adapter); out_release_resources: + pvscsi_shutdown_intr(adapter); pvscsi_release_resources(adapter); scsi_host_put(host); out_disable_device: @@ -1542,6 +1541,7 @@ static int pvscsi_probe(struct pci_dev *pdev, const struct pci_device_id *id) return error; out_release_resources_and_disable: + pvscsi_shutdown_intr(adapter); pvscsi_release_resources(adapter); goto out_disable_device; } -- 2.5.5