Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp7279410rwb; Tue, 6 Dec 2022 03:48:56 -0800 (PST) X-Google-Smtp-Source: AA0mqf432wKtZzRH2TNiQEYHYuFcDAwaEfAFCRh85c1Kw9oSaaUz4raKvc4nolpBtmSpp34FPvzp X-Received: by 2002:a05:6402:4c2:b0:46c:d5a8:b0ac with SMTP id n2-20020a05640204c200b0046cd5a8b0acmr5899404edw.226.1670327336447; Tue, 06 Dec 2022 03:48:56 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1670327336; cv=none; d=google.com; s=arc-20160816; b=C4MSWWRF4D5VAkrIYouIybtUs76Q1zqCOqjiD7K2YIpXjWfVg7rNkByA6zaBLUssVz YyJ5a2qKPNhJrUjO5X+nN7vGQWriLNHlwupG5yUf8oizSgIikogvWfvN5kjast/+Z8jr gGUO0ZioRu9VYLylJlZq7a7BhL4Zh6UKsHFXqXq7qLn5MOf9QaOX9porkoWE5pqASwD0 cr3+1SNYOdAiRpzaPC5QKjzLmBb5y85uRNwsFMTeZJHwwW7P9geJ4o1IDvEY3/qoRYfP C5umiJITIV4FQuEnDMjOpMso9k/r1Hqnu7Vyxbv1Cz+jfxn45CSxAXMb0VgfEQdmf+NK +v6Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=agCFs9uJLiVTmgw98Qhn7pKbnnruo3HGA9ukAKWZl0k=; b=Uf87SAUKitpeGmrMvRqcfJvpz5bqYeEZAiIFTa73D5b/ObfkiAB5gVEtCT8Qs+0nad YXJdJHcQcxj4ge5UtncYY7xST9pxrKRpNgjSmeV/kxDu3ct/C9Qt7Uw6YjpijDSAAP7S YI+IhH466RZIPACODaZTZsfdWHPM/epqyuzAAbYGPAtO2Q3kwq1yunnUAgEAbIB1S2US naarbtQWhwzng0u57v9AiS46JLDHoAOaFu2R096Zq9f2RZxlFtHLP9acFwQno6mGJmZZ E5jY8VZ22/bwGNazv3sgcFEJoWREgO29BqOzuwvfwt7yZmpWWQn4Yt0sjtpd+Zv1o2vD QXPA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id cw17-20020a170906479100b0079330b37fb5si13233848ejc.564.2022.12.06.03.48.35; Tue, 06 Dec 2022 03:48:56 -0800 (PST) Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234460AbiLFLsa (ORCPT + 66 others); Tue, 6 Dec 2022 06:48:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45556 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229449AbiLFLs2 (ORCPT ); Tue, 6 Dec 2022 06:48:28 -0500 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5D90DFE6 for ; Tue, 6 Dec 2022 03:48:27 -0800 (PST) Received: from dggpemm500007.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4NRJZ04b63zRpF7; Tue, 6 Dec 2022 19:47:36 +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 19:48:25 +0800 From: Yang Yingliang To: , , CC: Subject: [PATCH 0/4] libertas/libertas_tf: don't call kfree_skb() under spin_lock_irqsave() Date: Tue, 6 Dec 2022 19:46:05 +0800 Message-ID: <20221206114609.2006175-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII 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 X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org It is not allowed to call kfree_skb() from hardware interrupt context or with interrupts being disabled. As the comment of dev_kfree_skb_irq() says, kfree_skb() can be replaced with dev_kfree_skb_irq() under spin_lock_irqsave(). Yang Yingliang (4): libertas_tf: don't call kfree_skb() under spin_lock_irqsave() libertas: don't call kfree_skb() under spin_lock_irqsave() in process_cmdrequest() libertas: don't call kfree_skb() under spin_lock_irqsave() in lbs_stop_iface() libertas: don't call kfree_skb() under spin_lock_irqsave() in lbs_mac_event_disconnected() drivers/net/wireless/marvell/libertas/cmdresp.c | 2 +- drivers/net/wireless/marvell/libertas/if_usb.c | 2 +- drivers/net/wireless/marvell/libertas/main.c | 2 +- drivers/net/wireless/marvell/libertas_tf/if_usb.c | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) -- 2.25.1