iwlwifi: WARN only once when we have trouble in reclaim
This flow can actually happen due to a corner case in
mac80211: the station is deleted before we get a chance
to reclaim all the packets in flight in AGG queue.
The tid_data for this station is zeroed, and we lose
the match with the Tx queue.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index 1f9457f..5971a23 100644
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -1183,7 +1183,8 @@
}
/*we can free until ssn % q.n_bd not inclusive */
- WARN_ON(iwl_reclaim(priv, sta_id, tid, txq_id, ssn, &skbs));
+ WARN_ON_ONCE(iwl_reclaim(priv, sta_id, tid,
+ txq_id, ssn, &skbs));
iwlagn_check_ratid_empty(priv, sta_id, tid);
freed = 0;