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Message-ID: <4C98D892.7030605@googlemail.com>
Date: Tue, 21 Sep 2010 18:08:50 +0200
From: Gabriel C <nix.or.die@googlemail.com>
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To: Phil Turmel <philip@turmel.org>
CC: Alan Stern <stern@rowland.harvard.edu>, Jiri Kosina <jkosina@suse.cz>,
        Mat <jackdachef@gmail.com>, Guillaume Chazarain <guichaz@gmail.com>,
        linux-kernel@vger.kernel.org, Greg Kroah-Hartman <gregkh@suse.de>,
        Oliver Neukum <oliver@neukum.org>, Alan Ott <alan@signal11.us>,
        linux-usb@vger.kernel.org, linux-input@vger.kernel.org,
        Andreas Bombe <aeb@debian.org>, Alex Riesen <raa.lkml@gmail.com>
Subject: Re: [BUG, Regression, bisected] USB mouse causes bug on 1st insert,
 ignored on 2nd insert, lsusb stuck at usbdev_open
References: <Pine.LNX.4.44L0.1009211013460.1644-100000@iolanthe.rowland.org> <4C98C70B.3080407@turmel.org>
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On 21.09.2010 16:54, Phil Turmel wrote:

> On 09/21/2010 10:30 AM, Alan Stern wrote:
>> On Tue, 21 Sep 2010, Jiri Kosina wrote:
>>
>>> I have just found out that it's actually CONFIG_USB_DYNAMIC_MINORS which 
>>> makes the difference. When unset, the problem doesn't trigger, and 
>>> usb_find_interface() always returns the proper interface. When 
>>> CONFIG_USB_DYNAMIC_MINORS is being used, the oops happen.
>>>
>>> I'll look into that.
>>
>> Apparently the problem is that intf->minors doesn't get initialized 
>> properly.  This patch should fix it.  Everybody, please try it out.
> 
> Yes, this works for me.  (as did Jiri's version.)


Both versions of the patch are working fine for me too also.

> 
> Thank you both for the support.
> 
> Feel free to add my:
> 
> Tested-by: Philip J. Turmel <philip@turmel.org>


And mine if you wish.
Tested-by: Gabriel Craciunescu  <nix.or.die@googlemail.com>