From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sathya Perla Subject: [net-next PATCH 1/5] be2net: cancel be_worker during EEH recovery Date: Fri, 24 Feb 2012 10:20:13 +0530 Message-ID: <1330059017-5976-2-git-send-email-sathya.perla@emulex.com> References: <1330059017-5976-1-git-send-email-sathya.perla@emulex.com> Mime-Version: 1.0 Content-Type: text/plain To: Return-path: Received: from exht1.emulex.com ([138.239.113.183]:20274 "EHLO exht1.ad.emulex.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755680Ab2BXEzm (ORCPT ); Thu, 23 Feb 2012 23:55:42 -0500 In-Reply-To: <1330059017-5976-1-git-send-email-sathya.perla@emulex.com> Sender: netdev-owner@vger.kernel.org List-ID: EEH recovery involves ring cleanup and re-creation. The worker thread must not run during EEH cleanup/resume. Signed-off-by: Sathya Perla --- drivers/net/ethernet/emulex/benet/be.h | 1 + drivers/net/ethernet/emulex/benet/be_main.c | 13 ++++++++----- 2 files changed, 9 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 86f51de..4b1994d 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -304,6 +304,7 @@ struct be_vf_cfg { }; #define BE_FLAGS_LINK_STATUS_INIT 1 +#define BE_FLAGS_WORKER_SCHEDULED (1 << 3) struct be_adapter { struct pci_dev *pdev; diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 28f2b25..68408d5 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -2447,6 +2447,11 @@ static void be_vf_clear(struct be_adapter *adapter) static int be_clear(struct be_adapter *adapter) { + if (adapter->flags & BE_FLAGS_WORKER_SCHEDULED) { + cancel_delayed_work_sync(&adapter->work); + adapter->flags &= ~BE_FLAGS_WORKER_SCHEDULED; + } + if (sriov_enabled(adapter)) be_vf_clear(adapter); @@ -2648,6 +2653,9 @@ static int be_setup(struct be_adapter *adapter) goto err; } + schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); + adapter->flags |= BE_FLAGS_WORKER_SCHEDULED; + return 0; err: be_clear(adapter); @@ -3208,8 +3216,6 @@ static void __devexit be_remove(struct pci_dev *pdev) if (!adapter) return; - cancel_delayed_work_sync(&adapter->work); - unregister_netdev(adapter->netdev); be_clear(adapter); @@ -3533,7 +3539,6 @@ static int __devinit be_probe(struct pci_dev *pdev, dev_info(&pdev->dev, "%s: %s port %d\n", netdev->name, nic_name(pdev), adapter->port_num); - schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); return 0; unsetup: @@ -3563,7 +3568,6 @@ static int be_suspend(struct pci_dev *pdev, pm_message_t state) struct be_adapter *adapter = pci_get_drvdata(pdev); struct net_device *netdev = adapter->netdev; - cancel_delayed_work_sync(&adapter->work); if (adapter->wol) be_setup_wol(adapter, true); @@ -3612,7 +3616,6 @@ static int be_resume(struct pci_dev *pdev) if (adapter->wol) be_setup_wol(adapter, false); - schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); return 0; } -- 1.7.4