From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Mon, 10 Jun 2013 08:19:40 +0000 (+0530)
Subject: ath9k: Do not assign noise for NULL caldata
X-Git-Tag: v3.11-rc1~64^2~166^2^2~55
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d3bcb7b24bbf09fde8405770e676fe0c11c79662;p=pandora-kernel.git

ath9k: Do not assign noise for NULL caldata

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.

Cc: stable@vger.kernel.org
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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