From ea05ae071ed0f360c6002d7b5107e0dad724d511 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sun, 16 Dec 2012 22:38:45 -0800
Subject: [PATCH] Input: walkera0701 - use proper error codes

We have been using -EBUSY where we should have used -EIO or -ENOMEM,
so let's fix that and also add some diagnostic messages.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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