From patchwork Tue Dec 6 15:53:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 13066106 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 2B277C352A1 for ; Tue, 6 Dec 2022 15:55:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233419AbiLFPz1 (ORCPT ); Tue, 6 Dec 2022 10:55:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42898 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232849AbiLFPzZ (ORCPT ); Tue, 6 Dec 2022 10:55:25 -0500 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DDC80389F for ; Tue, 6 Dec 2022 07:55:24 -0800 (PST) Received: from dggpemm500007.china.huawei.com (unknown [172.30.72.54]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4NRPzs09WgzJp6v; Tue, 6 Dec 2022 23:51:53 +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; Tue, 6 Dec 2022 23:55:22 +0800 From: Yang Yingliang To: CC: , , , Subject: [PATCH net 1/2] net: apple: mace: don't call dev_kfree_skb() under spin_lock_irqsave() Date: Tue, 6 Dec 2022 23:53:08 +0800 Message-ID: <20221206155309.2326167-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) 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(). Signed-off-by: Yang Yingliang --- drivers/net/ethernet/apple/mace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/apple/mace.c b/drivers/net/ethernet/apple/mace.c index d0a771b65e88..77b4ed05140b 100644 --- a/drivers/net/ethernet/apple/mace.c +++ b/drivers/net/ethernet/apple/mace.c @@ -846,7 +846,7 @@ static void mace_tx_timeout(struct timer_list *t) if (mp->tx_bad_runt) { mp->tx_bad_runt = 0; } else if (i != mp->tx_fill) { - dev_kfree_skb(mp->tx_bufs[i]); + dev_consume_skb_irq(mp->tx_bufs[i]); if (++i >= N_TX_RING) i = 0; mp->tx_empty = i;