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-rw-r--r--drivers/net/wireless/ath/ath9k/channel.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c
index 16bed6acec93..135f74cd6147 100644
--- a/drivers/net/wireless/ath/ath9k/channel.c
+++ b/drivers/net/wireless/ath/ath9k/channel.c
@@ -495,10 +495,15 @@ void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif,
sc->cur_chan == &sc->offchannel.chan)
break;
- ath_chanctx_adjust_tbtt_delta(sc);
sc->sched.beacon_pending = false;
sc->sched.beacon_miss = 0;
+ if (sc->sched.state == ATH_CHANCTX_STATE_FORCE_ACTIVE ||
+ !sc->cur_chan->tsf_val)
+ break;
+
+ ath_chanctx_adjust_tbtt_delta(sc);
+
/* TSF time might have been updated by the incoming beacon,
* need update the channel switch timer to reflect the change.
*/