linux-kernel - Re: [linux-usb-devel] usb_fill_bulk

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Message-ID: <20f65d530706271554j665ec1fne3030ce30597676d@mail.gmail.com>
Date:	Thu, 28 Jun 2007 10:54:12 +1200
From:	"Keith Chew" <keith.chew@...il.com>
To:	"Oliver Neukum" <oliver@...kum.org>
Cc:	linux-usb-devel@...ts.sourceforge.net,
	"Chuck Ebbert" <cebbert@...hat.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [linux-usb-devel] usb_fill_bulk_urb() broken for USB1.1?

Hi Oliver

> You are initialising an interrupt urb with an initializer for
> a bulk urb. The behavior is undefined. In older kernels
> by random chance a sensible interval was set.
>
> You need to use the correct initializer and the correct interval,
> which usually can be read from the device's descriptors.
>

Thank you very much for all your help. Will correct the code and
report back very soon.

Regards
Keith
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