linux-kernel - [patch 018/123] ath9k: fix keycache leak in split tkip case

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Message-Id: <20100313001506.751921078@kvm.kroah.org>
Date:	Fri, 12 Mar 2010 16:11:56 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	"John W. Linville" <linville@...driver.com>
Subject: [patch 018/123] ath9k: fix keycache leak in split tkip case

2.6.33-stable review patch.  If anyone has any objections, please let me know.

-----------------

From: Ming Lei <tom.leiming@...il.com>

commit 733da37dab72de6b3f8b0c56b5cdea322f18a684 upstream.

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.

Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/net/wireless/ath/ath9k/main.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -928,6 +928,7 @@ static void ath_key_delete(struct ath_co
 
 	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);
 	}


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