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authorJohannes Berg <johannes@sipsolutions.net>2009-04-07 15:22:28 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-04-16 10:39:08 -0400
commit47afbaf5af9454a7a1a64591e20cbfcc27ca67a8 (patch)
treede3a92c6fa90d0b7830bbb538869b8ff41e8b0ea /net/mac80211/main.c
parent853da11b94e674445e93660f47a5f0aeeea09623 (diff)
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>
Diffstat (limited to 'net/mac80211/main.c')
-rw-r--r--net/mac80211/main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index a6f1d8a869b..fbcbed6cad0 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -258,7 +258,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
(chan->max_power - local->power_constr_level) :
chan->max_power;
- if (local->user_power_level)
+ if (local->user_power_level >= 0)
power = min(power, local->user_power_level);
if (local->hw.conf.power_level != power) {