From 6658ab80fd4ef940fc2366ddb66690a15ea69c18 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@intel.com>
Date: Thu, 20 Feb 2014 16:36:23 +0200
Subject: [PATCH] mac80211: ibss: handle cfg80211_chandef_dfs_required() error
 codes

Error codes returned by cfg80211_chandef_dfs_required() are ignored
when trying to join an IBSS.  Fix this by printing an error and
returning.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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