Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp2692469rwd; Fri, 19 May 2023 08:58:24 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ4M86wFNILwhLknibHsRAtGqOrMPXkJiz5Ba11mJb0LcIAFpebWYex3+zf1VTck0TwDn8TT X-Received: by 2002:a05:6a20:7d87:b0:103:d25b:36c7 with SMTP id v7-20020a056a207d8700b00103d25b36c7mr2878118pzj.35.1684511904377; Fri, 19 May 2023 08:58:24 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1684511904; cv=none; d=google.com; s=arc-20160816; b=n9+yhZQPr9Un1fNlbuaefZaR/2IvpGmq/ySpXkB5llX9NOVMsjaxY8/EkM5T+2gArO WQOf2mEROmgpqsgAHWJpVIOOpZzBMJva1MhIc/oxIbfVEwkMTXsaHvRGyb/cTX7MH+tu V4k6PxnrzksdMaqDMqVehSW/0enwCHsMGehCH6/kxN3S8oP+/qvyWHk0mrU73ivvdyIE ZZcCvVlhJsWk1eYUoUP+1Qh9gmt8pDt42Gy/Uo+wOacKkkYrgtepN9dPXIpDhpGDsR30 sRE3HnFBfwkmIRn/89lUf7Cr+Ovrkp6gfwL78CLf4bVgXj7bFyBp482/IIPrmzpSmOPt 7kEQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=+3VvWtMesmuufhMQD6eKD2AF1i68xl4dFx35olwYIvY=; b=erVumIZN1hA1VBxK8A/pQjakNLJzC61gL/qT23Vm88mF3O+hE7WvTjugbWhvBys+1b FYWi5Buf8BkCKvjWicN1AX7IlSN/C3QUitrqb4PxlQhbh8d7cs26DxGJ30LL6lxgR/ky WSe3TaHZnFxhDfW+jbd9rl2CvHCFrqSDlEflv4Vlm/QuF10fV2VlKXSLnsTkz0+TzdUe /HvBBxuIRm25aQfpk4ByZFelKGHx2RqGmKpIJ7jTrlV8VcHCDj0LSnUWjR1dp37rYrqA gxo9cQzzdQwf/dxYx3DNF4uaUOk4v16V4hbqAhTS3bDii76/KixdIDa+44UEAySjkiCe HNYg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id k70-20020a638449000000b00530b135eae9si2230667pgd.119.2023.05.19.08.58.09; Fri, 19 May 2023 08:58:24 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-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-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229546AbjESPmz (ORCPT + 99 others); Fri, 19 May 2023 11:42:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57788 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229792AbjESPmy (ORCPT ); Fri, 19 May 2023 11:42:54 -0400 Received: from netrider.rowland.org (netrider.rowland.org [192.131.102.5]) by lindbergh.monkeyblade.net (Postfix) with SMTP id C32881B0 for ; Fri, 19 May 2023 08:42:52 -0700 (PDT) Received: (qmail 42012 invoked by uid 1000); 19 May 2023 11:42:52 -0400 Date: Fri, 19 May 2023 11:42:52 -0400 From: Alan Stern To: Helge Deller Cc: linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, syzbot , bernie@plugable.com, linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [fbdev?] [usb?] WARNING in dlfb_submit_urb/usb_submit_urb (2) Message-ID: References: <0000000000004a222005fbf00461@google.com> <4cd17511-2b60-4c37-baf3-c477cf6d1761@rowland.harvard.edu> <2905a85f-4a3b-4a4f-b8fb-a4d037d6c591@rowland.harvard.edu> <6e93305a-2d70-d411-3e36-c536449295dd@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6e93305a-2d70-d411-3e36-c536449295dd@gmx.de> X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,SPF_HELO_PASS,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=no 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-kernel@vger.kernel.org On Fri, May 19, 2023 at 12:38:15PM +0200, Helge Deller wrote: > Patch looks good and survived the test. > > Will you send a proper patch to the fbdev mailing list, so that I can > include it? Will do. While you're working on this driver, here's a suggestion for another improvement you can make. The temporary buffer allocations and calls to usb_control_msg() in dlfb_get_edid() and dlfb_select_std_channel() can be replaced with calls to usb_control_msg_recv() and usb_control_msg_send() respectively. Alan Stern