Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759751AbZJMOEZ (ORCPT ); Tue, 13 Oct 2009 10:04:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753461AbZJMOEZ (ORCPT ); Tue, 13 Oct 2009 10:04:25 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:38617 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753467AbZJMOEY (ORCPT ); Tue, 13 Oct 2009 10:04:24 -0400 Date: Tue, 13 Oct 2009 10:03:48 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Benjamin Herrenschmidt cc: Ben Efros , Josua Dietze , fangxiaozhi , Greg KH , Kernel development list , USB list , Hugh Blemings Subject: Re: USB serial regression 2.6.31.1 -> 2.6.31.2 [PATCH] In-Reply-To: <1255409627.2192.172.camel@pasglop> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 998 Lines: 25 On Tue, 13 Oct 2009, Benjamin Herrenschmidt wrote: > usb-storage: Workaround devices with bogus sense size > > Some devices, such as Huawei E169, advertise more than the standard > amount of sense data, causing us to set US_FL_SANE_SENSE, assuming > they support it. However, they subsequently fail the request sense > with that size. > > This works around it generically. When a sense request fails due to > a device returning an error, US_FL_SANE_SENSE was set, and that sense > request used a larger sense size, we retry with a smaller size before > giving up. > > Based on an original patch by Ben Efros > > Signed-off-by: Benjamin Herrenschmidt Acked-by: Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/