From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net-next 07/15] i40evf: ignore bogus messages from FW Date: Mon, 9 Feb 2015 02:43:53 -0800 Message-ID: <1423478641-3138-8-git-send-email-jeffrey.t.kirsher@intel.com> References: <1423478641-3138-1-git-send-email-jeffrey.t.kirsher@intel.com> Cc: Mitch Williams , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher To: davem@davemloft.net Return-path: Received: from mga11.intel.com ([192.55.52.93]:16331 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760427AbbBIKoG (ORCPT ); Mon, 9 Feb 2015 05:44:06 -0500 In-Reply-To: <1423478641-3138-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Mitch Williams Occasionally on shutdown, the FW will hand us a bunch of messages filled with zeros, which can cause us to spin trying to handle them. Just ignore these and get on with shutting down. Change-ID: I347e9648f7153ad5a7b7e0847b87f7aad5f3e0da Signed-off-by: Mitch Williams Tested-by: Jim Young Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40evf/i40evf_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index cd71c47..38126f5 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -1631,7 +1631,7 @@ static void i40evf_adminq_task(struct work_struct *work) v_msg = (struct i40e_virtchnl_msg *)&event.desc; do { ret = i40evf_clean_arq_element(hw, &event, &pending); - if (ret) + if (ret || !v_msg->v_opcode) break; /* No event to process or error cleaning ARQ */ i40evf_virtchnl_completion(adapter, v_msg->v_opcode, -- 1.9.3