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Date:	Mon, 04 Aug 2014 15:18:27 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	oneukum@...e.de
Cc:	netdev@...r.kernel.org, nic_swsd@...ltek.com
Subject: Re: [PATCH] r8152: correct error returns

From: Oliver Neukum <oneukum@...e.de>
Date: Sun, 03 Aug 2014 09:06:58 +0200

> OK, I just looked at this single driver. I'll try to come up with
> a generic solution. The mapping is a bit simplistic. I should let
> -ENOMEM pass for example.

And the problem also isn't limited USB networking drivers, just
about every driver I looked at passed these autopm errors right
back to userspace.

Largely people just call the autopm interfaces and propagate any
errors they get.  So you probably want to put the translator/filter
there.

But of course, that doesn't handle the non-autopm code paths into the
PM layer that can end up in this situation.
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