[PATCH 42/52] iwl: off by one bug

[Greg Kroah-Hartman]

From: Dan Carpenter <error27@xxxxxxxxx>

commit 8a9ac160e844c7ce8074f6aa531feefb4acdee7c upstream.

tid is used as an array offset.
	agg = &priv->stations[sta_id].tid[tid].agg;
	iwl4965_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);

It should be limitted to MAX_TID_COUNT - 1;
        struct iwl_tid_data tid[MAX_TID_COUNT];

regards,
dan carpenter

Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
 drivers/net/wireless/iwlwifi/iwl-4965.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index f4e2e84..99331ed 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2087,7 +2087,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
 	struct ieee80211_tx_info *info;
 	struct iwl4965_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
 	u32  status = le32_to_cpu(tx_resp->u.status);
-	int tid = MAX_TID_COUNT;
+	int tid = MAX_TID_COUNT - 1;
 	int sta_id;
 	int freed;
 	u8 *qc = NULL;
-- 
1.6.6

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