From: Johannes Berg <johannes@sipsolutions.net>
Date: Tue, 7 Apr 2009 13:22:28 +0000 (+0200)
Subject: mac80211: correct wext transmit power handler
X-Git-Tag: v2.6.30-rc4~68^2~40^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=47afbaf5af9454a7a1a64591e20cbfcc27ca67a8;p=pandora-kernel.git

mac80211: correct wext transmit power handler

Wext makes no assumptions about the contents of
data->txpower.fixed and data->txpower.value when
data->txpower.disabled is set, so do not update
the user-requested power level while disabling.

Also, when wext configures a really _fixed_ power
output [1], we should reject it instead of limiting it
to the regulatory constraint. If the user wants to set
a _limit_ [2] then we should honour that.

[1] iwconfig wlan0 txpower 20dBm fixed
[2] iwconfig wlan0 txpower 10dBm

This fixes
http://www.intellinuxwireless.org/bugzilla/show_bug.cgi?id=1942

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