From patchwork Thu Sep 3 11:45:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Xu X-Patchwork-Id: 1356570 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=hisilicon.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BhzhG5JYdz9sTC for ; Thu, 3 Sep 2020 21:52:46 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728748AbgICLvb (ORCPT ); Thu, 3 Sep 2020 07:51:31 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:50722 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728725AbgICLtn (ORCPT ); Thu, 3 Sep 2020 07:49:43 -0400 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id E6620A509112187F4BE1; Thu, 3 Sep 2020 19:49:36 +0800 (CST) Received: from localhost.localdomain (10.69.192.58) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.487.0; Thu, 3 Sep 2020 19:49:27 +0800 From: Wei Xu To: CC: , , , , , , , , , , , , , , , Boris Pismenny , Saeed Mahameed , Jakub Kicinski , Tariq Toukan , , Subject: [PATCH] net/mlx5e: kTLS, Fix GFP_KERNEL in spinlock context Date: Thu, 3 Sep 2020 19:45:34 +0800 Message-ID: <1599133539-175203-1-git-send-email-xuwei5@hisilicon.com> X-Mailer: git-send-email 2.8.1 MIME-Version: 1.0 X-Originating-IP: [10.69.192.58] X-CFilter-Loop: Reflected Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Replace GFP_KERNEL with GFP_ATOMIC while resync_post_get_progress_params is invoked in a spinlock context. This code was detected with the help of Coccinelle. Signed-off-by: Wei Xu --- drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c index acf6d80..1a32435 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c @@ -247,7 +247,7 @@ resync_post_get_progress_params(struct mlx5e_icosq *sq, int err; u16 pi; - buf = kzalloc(sizeof(*buf), GFP_KERNEL); + buf = kzalloc(sizeof(*buf), GFP_ATOMIC); if (unlikely(!buf)) { err = -ENOMEM; goto err_out;