From 9b8648704358e42f9865cd6de7cedb5ac0db67e7 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Thu, 26 Jul 2012 14:38:32 +0200
Subject: mac80211: check operating channel in scan

The optimisation of scanning only on the current
channel should check the operating channel. Also
modify it to compare channel pointer rather than
the frequency.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index bcaee5d..4b75dde 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -479,11 +479,10 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
 	if (local->ops->hw_scan) {
 		__set_bit(SCAN_HW_SCANNING, &local->scanning);
 	} else if ((req->n_channels == 1) &&
-		   (req->channels[0]->center_freq ==
-		    local->hw.conf.channel->center_freq)) {
-
-		/* If we are scanning only on the current channel, then
-		 * we do not need to stop normal activities
+		   (req->channels[0] == local->oper_channel)) {
+		/*
+		 * If we are scanning only on the operating channel
+		 * then we do not need to stop normal activities
 		 */
 		unsigned long next_delay;
 
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