[PATCH 4.2.y-ckt 084/305] mac80211: ensure we don't update tx power on a non-running sdata

[Kamal Mostafa]

4.2.8-ckt2 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>

commit 5ad11b50fda1306b5317124f97f0a7a4c022b022 upstream.

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.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
 net/mac80211/iface.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 553ac6d..436c423 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -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);
 }
 
-- 
1.9.1