From mboxrd@z Thu Jan 1 00:00:00 1970 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 50719C3DA7A for ; Wed, 28 Dec 2022 16:13:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234465AbiL1QNI (ORCPT ); Wed, 28 Dec 2022 11:13:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234640AbiL1QML (ORCPT ); Wed, 28 Dec 2022 11:12:11 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 143D319027 for ; Wed, 28 Dec 2022 08:10:28 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id BF615B81710 for ; Wed, 28 Dec 2022 16:10:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 37A10C433D2; Wed, 28 Dec 2022 16:10:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672243825; bh=r48e+VeTR/hxrK1UUoTkSGSSWUWJtuCwiMNWgRFVuaQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uSez90VrLKY6F1YDChl7G6RPA9N2d4/hT7q8bCA24obz8tN+42u/Gyzlp89u3L0lv jyF9VNEt9X6hG43H3I7Qkd+ak4y2dujWBel0tFfUizIEVp6mailC+qdJbzn/O941UZ j86poJZ5TW+o7xGAG9f5mZeY7tq+Tk7udFn7XQ1s= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yang Yingliang , Luiz Augusto von Dentz , Sasha Levin Subject: [PATCH 6.1 0562/1146] Bluetooth: hci_ll: dont call kfree_skb() under spin_lock_irqsave() Date: Wed, 28 Dec 2022 15:35:01 +0100 Message-Id: <20221228144345.433865725@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144330.180012208@linuxfoundation.org> References: <20221228144330.180012208@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Yang Yingliang [ Upstream commit 8f458f783dfbb19c1f1cb58ed06eeb701f52091b ] It is not allowed to call kfree_skb() from hardware interrupt context or with interrupts being disabled. So replace kfree_skb() with dev_kfree_skb_irq() under spin_lock_irqsave(). Fixes: 166d2f6a4332 ("[Bluetooth] Add UART driver for Texas Instruments' BRF63xx chips") Signed-off-by: Yang Yingliang Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- drivers/bluetooth/hci_ll.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c index 4eb420a9ed04..5abc01a2acf7 100644 --- a/drivers/bluetooth/hci_ll.c +++ b/drivers/bluetooth/hci_ll.c @@ -345,7 +345,7 @@ static int ll_enqueue(struct hci_uart *hu, struct sk_buff *skb) default: BT_ERR("illegal hcill state: %ld (losing packet)", ll->hcill_state); - kfree_skb(skb); + dev_kfree_skb_irq(skb); break; } -- 2.35.1