linux-kernel - Re: USB: count of reading urbs

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Message-ID: <20060720222143.GA5399@kroah.com>
Date:	Thu, 20 Jul 2006 15:21:43 -0700
From:	Greg KH <greg@...ah.com>
To:	Sergej Pupykin <ps@...ltd.ru>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: USB: count of reading urbs

On Thu, Jul 20, 2006 at 04:43:23PM +0400, Sergej Pupykin wrote:
> 
> Hi, All!
> 
> Please, tell me. If I submit one urb, can I lost data? (If data comes when
> urb callback executed)

No.  How can data be received if you have not submitted an urb?  The way
USB works just does not allow this.

thanks,

greg k-h
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