This is a note to let you know that I've just added the patch titled
ath9k: Do not assign noise for NULL caldata
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ath9k-do-not-assign-noise-for-null-caldata.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From d3bcb7b24bbf09fde8405770e676fe0c11c79662 Mon Sep 17 00:00:00 2001
From: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
Date: Mon, 10 Jun 2013 13:49:40 +0530
Subject: ath9k: Do not assign noise for NULL caldata
From: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
commit d3bcb7b24bbf09fde8405770e676fe0c11c79662 upstream.
ah->noise is maintained globally and not per-channel. This
is updated in the reset() routine after the NF history has been
filled for the *current channel*, just before switching to
the new channel. There is no need to do it inside getnf(), since
ah->noise must contain a value for the new channel.
Signed-off-by: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/calib.c | 1 -
1 file changed, 1 deletion(-)
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -389,7 +389,6 @@ bool ath9k_hw_getnf(struct ath_hw *ah, s
if (!caldata) {
chan->noisefloor = nf;
- ah->noise = ath9k_hw_getchan_noise(ah, chan);
return false;
}
Patches currently in stable-queue which might be from c_manoha@xxxxxxxxxxxxxxxx are
queue-3.4/ath9k-do-not-assign-noise-for-null-caldata.patch
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