From 704a28e88ab6c9cfe393ae626b612cab8b46028e Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <mchehab@redhat.com>
Date: Fri, 29 Jun 2012 15:45:04 -0300
Subject: [PATCH] [media] drxk: prevent doing something wrong when init is not
 ok

If firmware is not loaded for some reason, or if it is not ready
yet, it makes no sense to honour to any DVB callbacks.

So, return -EAGAIN, as the error condition may be temporary.
If the device doesn't initialize, either because it requires a
firmware or because there's an error during init_drxk, returns
-ENODEV, to indicate such error, on all DVB callbacks.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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