From patchwork Mon Dec 5 15:09:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 631994 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 15828C4708D for ; Mon, 5 Dec 2022 15:12:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231574AbiLEPMF (ORCPT ); Mon, 5 Dec 2022 10:12:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43500 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231924AbiLEPMA (ORCPT ); Mon, 5 Dec 2022 10:12:00 -0500 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6EC541B8 for ; Mon, 5 Dec 2022 07:11:59 -0800 (PST) Received: from dggpemm500007.china.huawei.com (unknown [172.30.72.55]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4NQn7L3tfNz15N33; Mon, 5 Dec 2022 23:11:10 +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; Mon, 5 Dec 2022 23:11:56 +0800 From: Yang Yingliang To: , , CC: , Subject: [PATCH 0/6] Bluetooth: don't call kfree_skb() under spin_lock_irqsave() Date: Mon, 5 Dec 2022 23:09:22 +0800 Message-ID: <20221205150928.4017973-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org It is not allowed to call kfree_skb() from hardware interrupt context or with interrupts being disabled. This patchset is trying to call kfree_skb() after spin_lock_irqsave(). Yang Yingliang (6): Bluetooth: hci_qca: don't call kfree_skb() under spin_lock_irqsave() Bluetooth: hci_ll: don't call kfree_skb() under spin_lock_irqsave() Bluetooth: hci_h5: don't call kfree_skb() under spin_lock_irqsave() Bluetooth: hci_bcsp: don't call kfree_skb() under spin_lock_irqsave() Bluetooth: hci_core: don't call kfree_skb() under spin_lock_irqsave() Bluetooth: RFCOMM: don't call kfree_skb() under spin_lock_irqsave() drivers/bluetooth/hci_bcsp.c | 6 +++++- drivers/bluetooth/hci_h5.c | 6 +++++- drivers/bluetooth/hci_ll.c | 3 ++- drivers/bluetooth/hci_qca.c | 3 ++- net/bluetooth/hci_core.c | 6 +++++- net/bluetooth/rfcomm/core.c | 4 +++- 6 files changed, 22 insertions(+), 6 deletions(-)