netdev - Re: [PATCH] usbnet: Activate halt interrupt endpoint before re-submit URB

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Date:	Mon, 18 Jun 2012 09:23:36 +0200
From:	Oliver Neukum <oneukum@...e.de>
To:	David Miller <davem@...emloft.net>
Cc:	huajun.li.lee@...il.com, tom.leiming@...il.com,
	stern@...land.harvard.edu, linux-usb@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] usbnet: Activate halt interrupt endpoint before re-submit URB

Am Montag, 18. Juni 2012, 01:30:17 schrieb David Miller:
> From: Huajun Li <huajun.li.lee@...il.com>
> Date: Wed, 13 Jun 2012 20:50:31 +0800
> 
> > intr_complete() submits URB even the interrupt endpoint stalls.
> > This patch will try to activate the endpoint once the exception
> > occurs, and then re-submit the URB if the endpoint works again.
> > 
> > Signed-off-by: Huajun Li <huajun.li.lee@...il.com>
> 
> Review from USB experts would be appreciated.

The code implements a minimum error handler correctly.
Did you observe a stall in actual hardware or is this a just
in case patch?

	Regards
		Oliver
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