From patchwork Sun Jan 24 16:34:52 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Krause X-Patchwork-Id: 43599 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 8ED0C1007D2 for ; Mon, 25 Jan 2010 03:40:40 +1100 (EST) Received: from localhost ([127.0.0.1]:34380 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NZ5Rg-0000b2-Ke for incoming@patchwork.ozlabs.org; Sun, 24 Jan 2010 11:36:16 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NZ5QU-0000Z8-RD for qemu-devel@nongnu.org; Sun, 24 Jan 2010 11:35:02 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NZ5QP-0000Vi-RT for qemu-devel@nongnu.org; Sun, 24 Jan 2010 11:35:02 -0500 Received: from [199.232.76.173] (port=54073 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NZ5QP-0000VX-MR for qemu-devel@nongnu.org; Sun, 24 Jan 2010 11:34:57 -0500 Received: from jessica.hrz.tu-chemnitz.de ([134.109.132.47]:38488) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1NZ5QP-0006KN-Rv for qemu-devel@nongnu.org; Sun, 24 Jan 2010 11:34:58 -0500 Received: from p5b3d4cc1.dip.t-dialin.net ([91.61.76.193] helo=gondor.middle-earth.priv) by jessica.hrz.tu-chemnitz.de with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.69) (envelope-from ) id 1NZ5QM-0002Pb-6R for qemu-devel@nongnu.org; Sun, 24 Jan 2010 17:34:54 +0100 Date: Sun, 24 Jan 2010 17:34:52 +0100 From: Christian Krause To: qemu-devel@nongnu.org Message-ID: <20100124163452.GB8270@gondor.middle-earth.priv> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.19 (2009-01-05) X-Spam-Score: -1.4 (-) X-Scan-Signature: 436c3bd0995e981f274ba4aec8e8b0d5 X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) Subject: [Qemu-devel] [PATCH, RESEND] usb: increase buffer for USB control requests X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Resend. The patch was already sent to the list on 2009-12-11. It would be great if it could be reviewed and applied. Thank you very much in advance. The WLAN USB stick ZyXEL NWD271N (0586:3417) uses very large usb control transfers of more than 2048 bytes which won't fit into the buffer of the ctrl_struct. This results in an error message "husb: ctrl buffer too small" and a non-working device. Increasing the buffer size to 8192 seems to be a safe choice. Signed-off-by: Christian Krause --- usb-linux.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/usb-linux.c b/usb-linux.c index 285ac22..d205bd3 100644 --- a/usb-linux.c +++ b/usb-linux.c @@ -113,7 +113,7 @@ struct ctrl_struct { uint16_t offset; uint8_t state; struct usb_ctrlrequest req; - uint8_t buffer[2048]; + uint8_t buffer[8192]; }; struct USBAutoFilter {