commit: 3adcf20afb585993ffee24de36d1975f6b26b120
From: Felix Fietkau <[email protected]>
Date: Wed, 9 Jan 2013 16:16:54 +0100
Subject: ath9k: remove the WARN_ON that triggers if generating a beacon fails

During teardown, mac80211 will not return a new beacon. This is normal and
handled properly in the driver, so there's no need to spam the user with a 
kernel
warning here.

Cc: [email protected]
Signed-off-by: Felix Fietkau <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
---
 drivers/net/wireless/ath/ath9k/beacon.c |    1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/beacon.c 
b/drivers/net/wireless/ath/ath9k/beacon.c
index 4eb269d..2ca355e 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -360,7 +360,6 @@ void ath9k_beacon_tasklet(unsigned long data)
                return;
 
        bf = ath9k_beacon_generate(sc->hw, vif);
-       WARN_ON(!bf);
 
        if (sc->beacon.bmisscnt != 0) {
                ath_dbg(common, BSTUCK, "resume beacon xmit after %u misses\n",
-- 
1.7.10.4
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