From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Fri, 17 Oct 2014 07:40:13 +0530
Subject: [PATCH] ath9k: Disable beacon tasklet during reset

When a chip reset is done, all running timers,
tasklets etc. are stopped but the beacon tasklet
is left running. Fix this.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
---

--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -281,6 +281,7 @@ static int ath_reset_internal(struct ath
 	__ath_cancel_work(sc);
 
 	tasklet_disable(&sc->intr_tq);
+	tasklet_disable(&sc->bcon_tasklet);
 	spin_lock_bh(&sc->sc_pcu_lock);
 
 	if (!sc->cur_chan->offchannel) {
@@ -326,6 +327,7 @@ static int ath_reset_internal(struct ath
 
 out:
 	spin_unlock_bh(&sc->sc_pcu_lock);
+	tasklet_enable(&sc->bcon_tasklet);
 	tasklet_enable(&sc->intr_tq);
 
 	return r;