Re: [PATCH 0/2] usb: serial: handle -ENODEV and -EPROTO quietly

From: Johan Hovold
Date: Tue Dec 16 2014 - 06:46:21 EST


On Mon, Dec 15, 2014 at 11:10:37PM -0800, Jeremiah Mahler wrote:

> Perhaps something at a lower level could return a more apt error number
> such as -ENODEV. Then there would be no conflict with -EPROTO.

I'm afraid it's not possible to differentiate between a disconnected and
malfunctioning device in that short window before the disconnect is
reported and processes by the hub driver.

> I will look in to it again and re-submit the patches.

Let's see what comes out of this discussion first.

Thanks,
Johan
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