diff --git a/[refs] b/[refs]
index 1dfb5836851e..0563ec6473ee 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 65a8b4cc511b68712799e91137324f2abece7d3e
+refs/heads/master: e68f67509d92114c55938898643600c23f88b4c1
diff --git a/trunk/drivers/net/wireless/ath/ath6kl/cfg80211.c b/trunk/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 45b0d974e4f7..d6806be5895b 100644
--- a/trunk/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/trunk/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -2044,7 +2044,18 @@ static int ath6kl_set_channel(struct wiphy *wiphy, struct net_device *dev,
 			      struct ieee80211_channel *chan,
 			      enum nl80211_channel_type channel_type)
 {
-	struct ath6kl_vif *vif = netdev_priv(dev);
+	struct ath6kl_vif *vif;
+
+	/*
+	 * 'dev' could be NULL if a channel change is required for the hardware
+	 * device itself, instead of a particular VIF.
+	 *
+	 * FIXME: To be handled properly when monitor mode is supported.
+	 */
+	if (!dev)
+		return -EBUSY;
+
+	vif = netdev_priv(dev);
 
 	if (!ath6kl_cfg80211_ready(vif))
 		return -EIO;