Re: [PATCH 11/11] usb: core: fix a race with usb_queue_reset_device()
From: Alan Stern
Date: Wed Jan 21 2015 - 13:52:55 EST
On Wed, 21 Jan 2015, Olivier Sobrie wrote:
> I tested your patch. It also fixes the problem I observed.
> You can drop mine.
>
> For your info:
>
> My test consists in powering down a usb hso modem while one of its
> serial port is opened. It leads to two URB failures, each urb callback
> queues a reset.
> Without your fix (or without the one I sent), a crash happens after
> less than ~20 power up/down sequences. With your fix, after more than
> 1000 power up/down I don't see any crash.
Okay, I'll submit the patch. Thanks for testing it.
Alan Stern
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