From: Ilan Peer <ilan.peer@intel.com>
Date: Tue, 5 Mar 2013 13:27:20 +0000 (+0200)
Subject: mac80211: Call drv_set_tim only if there is a change
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~65^2~170^2^2~118^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d5839b6aa6bbf26c04e885956109d1995d01fe2;p=pandora-kernel.git

mac80211: Call drv_set_tim only if there is a change

It is possible that sta_info_recalc_tim() is called consecutively
without changing the station's tim bit. In such cases there is no
need to call the driver's set_tim() callback.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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