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mac80211: ensure we don't update tx power on a non-running sdata 

We can't update the Tx power on the device unless it is
running.

This fixes https://bugzilla.kernel.org/show_bug.cgi?id=101521.

Cc: stable@vger.kernel.org
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach 2015-11-17 10:24:39 +02:00 committed by Johannes Berg
parent c2e703a552
commit 5ad11b50fd
1 changed files with 2 additions and 1 deletions
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3
net/mac80211/iface.c
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@ -76,7 +76,8 @@ bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata)
void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata,
bool update_bss)
{
if (__ieee80211_recalc_txpower(sdata) || update_bss)
if (__ieee80211_recalc_txpower(sdata) ||
(update_bss && ieee80211_sdata_running(sdata)))
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_TXPOWER);
}