From 8e621fc90b42fa2ca4ff65dd8d9cb21723e47837 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Sat, 14 May 2011 01:55:23 +0200
Subject: [PATCH] mac80211: verify IBSS in interface combinations

Drivers shouldn't attempt to advertise support
for more than one IBSS interface since mac80211
doesn't support that. Check and return an error
from ieee80211_register_hw() in that case.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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