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mac80211: exclude AP_VLAN interfaces from tx power calculation 

commit 764152ff66f4a8be1f9d7981e542ffdaa5bd7aff upstream.

Their power value is initialized to zero. This patch fixes an issue
where the configured power drops to the minimum value when AP_VLAN
interfaces are created/removed.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Felix Fietkau 2014-04-10 15:06:48 +02:00 committed by Greg Kroah-Hartman
parent 007058ac42
commit 4dc15ca345
1 changed files with 2 additions and 0 deletions
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net/mac80211/main.c
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@ -157,6 +157,8 @@ static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local)
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
if (!rcu_access_pointer(sdata->vif.chanctx_conf))
continue;
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
continue;
power = min(power, sdata->vif.bss_conf.txpower);
}
rcu_read_unlock();