From mboxrd@z Thu Jan 1 00:00:00 1970 From: Divy Le Ray Subject: [PATCH 2.6.30 4/4] cxgb3: Fix EEH final recovery attempt Date: Fri, 17 Apr 2009 15:21:27 -0700 Message-ID: <20090417222127.8569.59426.stgit@speedy5> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, swise@opengridcomputing.com To: davem@davemloft.net Return-path: Received: from stargate.chelsio.com ([67.207.112.58]:7088 "EHLO stargate.chelsio.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1754555AbZDQXD2 (ORCPT ); Fri, 17 Apr 2009 19:03:28 -0400 Sender: netdev-owner@vger.kernel.org List-ID: From: Divy Le Ray EEH attempts to recover up 6 times. The last attempt leaves all the ports and adapter down.hen The driver is then unloaded, bringing the adapter down again unconditionally. The unload will hang. Check if the adapter is already down before trying to bring it down again. Signed-off-by: Divy Le Ray --- drivers/net/cxgb3/cxgb3_main.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index cbd59fe..7ea4841 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c @@ -1235,6 +1235,10 @@ static int cxgb_close(struct net_device *dev) struct port_info *pi = netdev_priv(dev); struct adapter *adapter = pi->adapter; + + if (!adapter->open_device_map) + return 0; + /* Stop link fault interrupts */ t3_xgm_intr_disable(adapter, pi->port_id); t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); @@ -2823,6 +2827,9 @@ static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev, struct adapter *adapter = pci_get_drvdata(pdev); int ret; + if (state == pci_channel_io_perm_failure) + return PCI_ERS_RESULT_DISCONNECT; + ret = t3_adapter_error(adapter, 0); /* Request a slot reset. */