From patchwork Wed Dec 7 07:32:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 13066709 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D11AC352A1 for ; Wed, 7 Dec 2022 07:36:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229623AbiLGHgF (ORCPT ); Wed, 7 Dec 2022 02:36:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229757AbiLGHfq (ORCPT ); Wed, 7 Dec 2022 02:35:46 -0500 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 27C9B2F039 for ; Tue, 6 Dec 2022 23:35:43 -0800 (PST) Received: from dggpemm500007.china.huawei.com (unknown [172.30.72.53]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4NRprp5PRJzJp7V; Wed, 7 Dec 2022 15:32:10 +0800 (CST) Received: from huawei.com (10.175.103.91) by dggpemm500007.china.huawei.com (7.185.36.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Wed, 7 Dec 2022 15:35:26 +0800 From: Yang Yingliang To: CC: , , , , Yang Yingliang Subject: [PATCH net 2/4] net: ethernet: dnet: don't call dev_kfree_skb() under spin_lock_irqsave() Date: Wed, 7 Dec 2022 15:32:13 +0800 Message-ID: <20221207073215.3545460-3-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221207073215.3545460-1-yangyingliang@huawei.com> References: <20221207073215.3545460-1-yangyingliang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org It is not allowed to call consume_skb() from hardware interrupt context or with interrupts being disabled. So replace dev_kfree_skb() with dev_consume_skb_irq() under spin_lock_irqsave(). Fixes: 4796417417a6 ("dnet: Dave DNET ethernet controller driver (updated)") Signed-off-by: Yang Yingliang --- drivers/net/ethernet/dnet.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/dnet.c b/drivers/net/ethernet/dnet.c index 08184f20f510..1da10c79fb97 100644 --- a/drivers/net/ethernet/dnet.c +++ b/drivers/net/ethernet/dnet.c @@ -551,7 +551,7 @@ static netdev_tx_t dnet_start_xmit(struct sk_buff *skb, struct net_device *dev) skb_tx_timestamp(skb); /* free the buffer */ - dev_kfree_skb(skb); + dev_consume_skb_irq(skb); spin_unlock_irqrestore(&bp->lock, flags);