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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 D76C9C2D0BF for ; Mon, 16 Dec 2019 18:21:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A3F33206EC for ; Mon, 16 Dec 2019 18:21:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576520506; bh=k7I+N5OV1zTsjdsbSSKuxkHVBTpbc/Pylu/naSDJR80=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=kMoKesb99/GzMh+j3OBtyK58Nhi5idypgSlmWM02otTMc08bGTakYykOLQ2Sfc+lU N82o2oqsqKmmz+h/dNNWn0tobuGCa39VIm5jMdnF3c+CP/s4NVwEPjo9EoLh+Isl29 Iaj/5x3zjWf4sc9nSTqDfcuY/kV146cF3By4U0t4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732296AbfLPSVp (ORCPT ); Mon, 16 Dec 2019 13:21:45 -0500 Received: from mail.kernel.org ([198.145.29.99]:56572 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732284AbfLPSVk (ORCPT ); Mon, 16 Dec 2019 13:21:40 -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 15BAE2176D; Mon, 16 Dec 2019 18:21:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576520499; bh=k7I+N5OV1zTsjdsbSSKuxkHVBTpbc/Pylu/naSDJR80=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=O2/JN87G5HiHTJLwQ4MiYenn6GyjL31TU9ikKNGfCRL5SWVGO0ojF9n/kgL9Pl0Km hFPUn6RYzEuznFC4dmkbapvgH16/Uc2J/doJYhFv+doUG3Uab3iNWDHze/+Tnflnlh hqmHb6Vnj9ycbywOWEL6Xk5mKNyh/+wS98/zOQo0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Andrey Konovalov Subject: [PATCH 5.4 173/177] USB: dummy-hcd: increase max number of devices to 32 Date: Mon, 16 Dec 2019 18:50:29 +0100 Message-Id: <20191216174850.841508843@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191216174811.158424118@linuxfoundation.org> References: <20191216174811.158424118@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andrey Konovalov commit 8442b02bf3c6770e0d7e7ea17be36c30e95987b6 upstream. When fuzzing the USB subsystem with syzkaller, we currently use 8 testing processes within one VM. To isolate testing processes from one another it is desirable to assign a dedicated USB bus to each of those, which means we need at least 8 Dummy UDC/HCD devices. This patch increases the maximum number of Dummy UDC/HCD devices to 32 (more than 8 in case we need more of them in the future). Signed-off-by: Andrey Konovalov Link: https://lore.kernel.org/r/665578f904484069bb6100fb20283b22a046ad9b.1571667489.git.andreyknvl@google.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/udc/dummy_hcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/gadget/udc/dummy_hcd.c +++ b/drivers/usb/gadget/udc/dummy_hcd.c @@ -2725,7 +2725,7 @@ static struct platform_driver dummy_hcd_ }; /*-------------------------------------------------------------------------*/ -#define MAX_NUM_UDC 2 +#define MAX_NUM_UDC 32 static struct platform_device *the_udc_pdev[MAX_NUM_UDC]; static struct platform_device *the_hcd_pdev[MAX_NUM_UDC];