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iwlwifi: WARN only once when we have trouble in reclaim

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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>
This commit is contained in:
Emmanuel Grumbach 2012-06-12 18:31:21 +03:00 committed by Johannes Berg
parent d4b1048322
commit 67711c17fc
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/iwlwifi/dvm/tx.c
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@ -1183,7 +1183,8 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
}
/*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;