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[PATCH] ath9k: fix keycache leak in split tkip case

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From: Ming Lei <tom.leiming@xxxxxxxxx>

If split tkip key is used, ath_delete_key should delete
rx key and rx mic key. This patch fixes the leak of hw
keycache in the case.

---
The patch is against the latest wireless test tree.

Signed-off-by: Ming Lei <tom.leiming@xxxxxxxxx>
---
 drivers/net/wireless/ath/ath9k/main.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 6796d5c..928402b 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -809,6 +809,7 @@ static void ath_key_delete(struct ath_common *common, struct ieee80211_key_conf
 
 	clear_bit(key->hw_key_idx + 64, common->keymap);
 	if (common->splitmic) {
+		ath9k_hw_keyreset(ah, key->hw_key_idx + 32);
 		clear_bit(key->hw_key_idx + 32, common->keymap);
 		clear_bit(key->hw_key_idx + 64 + 32, common->keymap);
 	}
-- 
1.6.2.5

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