From c0af07340aae5db9f976bfe71e2e9bcab3169409 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Thu, 26 Jul 2012 14:42:10 +0200
Subject: [PATCH] mac80211: convert ops checks to WARN_ON

There's no need to BUG_ON when a driver registers
invalid operations, warn and return an error.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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