From d0c6aec8d99bdec142f4a8ef41031cd9ac39d1f9 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Tue, 5 Apr 2011 19:04:05 +0000
Subject: [PATCH] ath9k: fall back to the default noise floor if the calibrated
 one is not available, fixes signal strength display in initial scan

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26494 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 .../patches/560-ath9k_fix_reported_signal_strength.patch        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/mac80211/patches/560-ath9k_fix_reported_signal_strength.patch b/package/mac80211/patches/560-ath9k_fix_reported_signal_strength.patch
index 2fa4c4428..2753c8705 100644
--- a/package/mac80211/patches/560-ath9k_fix_reported_signal_strength.patch
+++ b/package/mac80211/patches/560-ath9k_fix_reported_signal_strength.patch
@@ -16,7 +16,7 @@
  	rx_status->freq = hw->conf.channel->center_freq;
 -	rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + rx_stats->rs_rssi;
 +
-+	if (ah->curchan)
++	if (ah->curchan && ah->curchan->noisefloor)
 +		noise = ah->curchan->noisefloor;
 +	else
 +		noise = ATH_DEFAULT_NOISE_FLOOR;