From 751413eadc8f0c7691a6cbd40a913ef0ae6b2ce4 Mon Sep 17 00:00:00 2001
From: Helmut Schaa <helmut.schaa@googlemail.com>
Date: Wed, 5 Dec 2012 14:36:12 +0100
Subject: [PATCH] mac80211: skip radiotap space calculation if no monitor
 exists

The radiotap header length "needed_headroom" is only required if we're
sending the skb to a monitor interface. Hence, move the calculation a
bit later so the calculation can be skipped if no monitor interface is
present.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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