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 X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 222BBC432C0 for ; Wed, 20 Nov 2019 19:49:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E938E20714 for ; Wed, 20 Nov 2019 19:49:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574279344; bh=4Yylve0XKqwFQhuvCSg6udFvsnwxRrhTvVcTVcXMVhM=; h=Subject:To:From:Date:List-ID:From; b=vwAuw4+vrO0hE+We1G5DnBYIC5YK+OIq0Asb9Qp63fuIVQLsxK6ZUECty2+B1G+9W fjdsXzaaVO3GC0vaihg9O7yQ2gpKoXhESYbOmhSqgxSTE2g7mnEIo7LNm2JUKxuwI+ ZW40q6SRXNonY4M2BzOurigbepesA4hMqhhAPgNc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727179AbfKTTtD (ORCPT ); Wed, 20 Nov 2019 14:49:03 -0500 Received: from mail.kernel.org ([198.145.29.99]:36990 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726623AbfKTTtD (ORCPT ); Wed, 20 Nov 2019 14:49:03 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4341C20679; Wed, 20 Nov 2019 19:49:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574279342; bh=4Yylve0XKqwFQhuvCSg6udFvsnwxRrhTvVcTVcXMVhM=; h=Subject:To:From:Date:From; b=lWfMSqU7iTNHovNREiemZiaYvgBvcTLHUZ9AEqDJd3L3fRV93goR+CbrD2rgwIrez 0fmWVzLxDJ9zLDov9U/Vue1PJ8/bzh5uOq+8SpYObO7/y2WyEPDLhSZTCh5pXdbvh6 qx8ML5kvSaEN9xhqqRqdC+VGih34iPsNsN/3TJcU= Subject: patch "usb: gadget: configfs: Fix missing spin_lock_init()" added to usb-testing To: weiyongjun1@huawei.com, gregkh@linuxfoundation.org, peter.chen@nxp.com, stable@vger.kernel.org From: Date: Wed, 20 Nov 2019 20:49:00 +0100 Message-ID: <157427934022834@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org This is a note to let you know that I've just added the patch titled usb: gadget: configfs: Fix missing spin_lock_init() to my usb git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git in the usb-testing branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will be merged to the usb-next branch sometime soon, after it passes testing, and the merge window is open. If you have any questions about this process, please let me know. >From 093edc2baad2c258b1f55d1ab9c63c2b5ae67e42 Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Wed, 30 Oct 2019 03:40:46 +0000 Subject: usb: gadget: configfs: Fix missing spin_lock_init() The driver allocates the spinlock but not initialize it. Use spin_lock_init() on it to initialize it correctly. This is detected by Coccinelle semantic patch. Fixes: 1a1c851bbd70 ("usb: gadget: configfs: fix concurrent issue between composite APIs") Signed-off-by: Wei Yongjun Cc: stable Reviewed-by: Peter Chen Link: https://lore.kernel.org/r/20191030034046.188808-1-weiyongjun1@huawei.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/configfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 33852c2b29d1..ab9ac48a751a 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -1544,6 +1544,7 @@ static struct config_group *gadgets_make( gi->composite.resume = NULL; gi->composite.max_speed = USB_SPEED_SUPER; + spin_lock_init(&gi->spinlock); mutex_init(&gi->lock); INIT_LIST_HEAD(&gi->string_list); INIT_LIST_HEAD(&gi->available_func); -- 2.24.0