linux-kernel - [036/140] ath9k: Avoid corrupt frames being forwarded to mac80211.

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Message-Id: <20100730173105.997040547@clark.site>
Date:	Fri, 30 Jul 2010 10:30:01 -0700
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,
	Vivek Natarajan <vnatarajan@...eros.com>,
	Ranga Rao Ravuri <ranga.ravuri@...eros.com>,
	"John W. Linville" <linville@...driver.com>
Subject: [036/140] ath9k: Avoid corrupt frames being forwarded to mac80211.

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

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

From: Vivek Natarajan <vnatarajan@...eros.com>

commit 3a37495268ab45507b4cab9d4cb18c5496ab7a10 upstream.

If bit 29 is set, MAC H/W can attempt to decrypt the received aggregate
with WEP or TKIP, eventhough the received frame may be a CRC failed
corrupted frame. If this bit is set, H/W obeys key type in keycache.
If it is not set and if the key type in keycache is neither open nor
AES, H/W forces key type to be open.  But bit 29 should be set to 1
for AsyncFIFO feature to encrypt/decrypt the aggregate with WEP or TKIP.

Reported-by: Johan Hovold <johan.hovold@...dinova.se>
Signed-off-by: Vivek Natarajan <vnatarajan@...eros.com>
Signed-off-by: Ranga Rao Ravuri <ranga.ravuri@...eros.com>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/net/wireless/ath/ath9k/initvals.h |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/drivers/net/wireless/ath/ath9k/initvals.h
+++ b/drivers/net/wireless/ath/ath9k/initvals.h
@@ -246,7 +246,7 @@ static const u32 ar5416Common[][2] = {
     { 0x00008258, 0x00000000 },
     { 0x0000825c, 0x400000ff },
     { 0x00008260, 0x00080922 },
-    { 0x00008264, 0xa8000010 },
+    { 0x00008264, 0x88000010 },
     { 0x00008270, 0x00000000 },
     { 0x00008274, 0x40000000 },
     { 0x00008278, 0x003e4180 },
@@ -2766,7 +2766,7 @@ static const u32 ar9280Common_9280_2[][2
     { 0x00008258, 0x00000000 },
     { 0x0000825c, 0x400000ff },
     { 0x00008260, 0x00080922 },
-    { 0x00008264, 0xa8a00010 },
+    { 0x00008264, 0x88a00010 },
     { 0x00008270, 0x00000000 },
     { 0x00008274, 0x40000000 },
     { 0x00008278, 0x003e4180 },
@@ -3936,7 +3936,7 @@ static const u_int32_t ar9285Common_9285
     { 0x00008258, 0x00000000 },
     { 0x0000825c, 0x400000ff },
     { 0x00008260, 0x00080922 },
-    { 0x00008264, 0xa8a00010 },
+    { 0x00008264, 0x88a00010 },
     { 0x00008270, 0x00000000 },
     { 0x00008274, 0x40000000 },
     { 0x00008278, 0x003e4180 },
@@ -5073,7 +5073,7 @@ static const u_int32_t ar9287Common_9287
     { 0x00008258, 0x00000000 },
     { 0x0000825c, 0x400000ff },
     { 0x00008260, 0x00080922 },
-    { 0x00008264, 0xa8a00010 },
+    { 0x00008264, 0x88a00010 },
     { 0x00008270, 0x00000000 },
     { 0x00008274, 0x40000000 },
     { 0x00008278, 0x003e4180 },


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