From patchwork Sat Jan 11 09:49:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 234121 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=unavailable 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 E03ECC3F68F for ; Sat, 11 Jan 2020 10:13:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AEA5920848 for ; Sat, 11 Jan 2020 10:13:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578737637; bh=qHNS3wiMREKy3bHjmbXF8V0PjdPphGpMiufMHiVl+6g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=bFaidlsmOdbMUek13KlHSOcYPMwxVKE6Oq2c1ByxwVRvtsUGnMEOtI3IaOCQD9r7y /o3aBe0RjgC1wD85aeOLvJOgYjqMmWN+aZpQiWX3ROR0d+JHq7on3wsKX/Hrq3bYZE Enmg0sk8savTOcAWzSAGCJp3F3SVKAhY1msciCFo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730116AbgAKKNo (ORCPT ); Sat, 11 Jan 2020 05:13:44 -0500 Received: from mail.kernel.org ([198.145.29.99]:52772 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729883AbgAKKNo (ORCPT ); Sat, 11 Jan 2020 05:13:44 -0500 Received: from localhost (unknown [62.119.166.9]) (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 EB92720673; Sat, 11 Jan 2020 10:13:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578737623; bh=qHNS3wiMREKy3bHjmbXF8V0PjdPphGpMiufMHiVl+6g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cC6d4QMCMK7MKk/iQQK/bC29obYrF3S2AsGpcZgXOXeq8elT+bmyXfykerCltn81B rV8w5U3tFJe3rQcEv0oncEpNyE98+HlXnLkK3Sv5AY5KIdxrZ4BCqUebv7cTctAetY HJhI7GV4IIuwSRTScmu02jppTv3vaUTlMsE5oI3M= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Andrey Konovalov Subject: [PATCH 4.19 02/84] USB: dummy-hcd: increase max number of devices to 32 Date: Sat, 11 Jan 2020 10:49:39 +0100 Message-Id: <20200111094845.750421143@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200111094845.328046411@linuxfoundation.org> References: <20200111094845.328046411@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@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 @@ -2739,7 +2739,7 @@ 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];