From patchwork Thu Dec 29 15:49:58 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yevgeny Petrilin X-Patchwork-Id: 133562 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 7C6B0B6FB9 for ; Fri, 30 Dec 2011 02:56:02 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753598Ab1L2Pz5 (ORCPT ); Thu, 29 Dec 2011 10:55:57 -0500 Received: from eu1sys200aog115.obsmtp.com ([207.126.144.139]:57215 "HELO eu1sys200aog115.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752113Ab1L2Pz4 (ORCPT ); Thu, 29 Dec 2011 10:55:56 -0500 Received: from MTLCAS01.mtl.com ([194.90.237.34]) (using TLSv1) by eu1sys200aob115.postini.com ([207.126.147.11]) with SMTP ID DSNKTvyNiIktJBv+reOTqWVLaAbjIG4Il+fE@postini.com; Thu, 29 Dec 2011 15:55:55 UTC Received: from [10.4.12.219] (10.4.12.219) by MTLCAS01.mtl.com (10.0.8.70) with Microsoft SMTP Server id 14.1.289.1; Thu, 29 Dec 2011 17:53:52 +0200 Message-ID: <4EFC8C26.3060006@mellanox.co.il> Date: Thu, 29 Dec 2011 17:49:58 +0200 From: Yevgeny Petrilin User-Agent: Thunderbird 2.0.0.17 (X11/20080914) MIME-Version: 1.0 To: CC: , Subject: [FIX PATCH net] mlx4_en: nullify cq->vector field when closing completion queue X-Originating-IP: [10.4.12.219] Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Caused loss of connectivity when changing ring size. Signed-off-by: Yevgeny Petrilin --- drivers/net/ethernet/mellanox/mlx4/en_cq.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c index 227997d..5829e0b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c @@ -147,6 +147,7 @@ void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq) mlx4_free_hwq_res(mdev->dev, &cq->wqres, cq->buf_size); if (priv->mdev->dev->caps.comp_pool && cq->vector) mlx4_release_eq(priv->mdev->dev, cq->vector); + cq->vector = 0; cq->buf_size = 0; cq->buf = NULL; }