linux-kernel - [ 09/21] ath9k: fix RSSI dummy marker value

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Message-Id: <20130312223246.207395203@linuxfoundation.org>
Date:	Tue, 12 Mar 2013 15:44:11 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Felix Fietkau <nbd@...nwrt.org>,
	"John W. Linville" <linville@...driver.com>
Subject: [ 09/21] ath9k: fix RSSI dummy marker value

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

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

From: Felix Fietkau <nbd@...nwrt.org>

commit a3d63cadbad97671d740a9698acc2c95d1ca6e79 upstream.

RSSI is being stored internally as s8 in several places. The indication
of an unset RSSI value, ATH_RSSI_DUMMY_MARKER, was supposed to have been
set to 127, but ended up being set to 0x127 because of a code cleanup
mistake. This could lead to invalid signal strength values in a few
places.

Signed-off-by: Felix Fietkau <nbd@...nwrt.org>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/wireless/ath/ath9k/common.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/wireless/ath/ath9k/common.h
+++ b/drivers/net/wireless/ath/ath9k/common.h
@@ -35,7 +35,7 @@
 #define WME_AC_BK   3
 #define WME_NUM_AC  4

-#define ATH_RSSI_DUMMY_MARKER   0x127
+#define ATH_RSSI_DUMMY_MARKER   127
 #define ATH_RSSI_LPF_LEN 		10
 #define RSSI_LPF_THRESHOLD		-20
 #define ATH_RSSI_EP_MULTIPLIER     (1<<7)

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