diff --git a/[refs] b/[refs]
index c1d95d7f303e..afb37034c7e4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c11d8f89d3b785f3ef987c2d9ee1bfea6f8b3d0f
+refs/heads/master: a3be14b76da111ebe4d245b0542613f9317104e7
diff --git a/trunk/drivers/net/wireless/ath/ath9k/htc.h b/trunk/drivers/net/wireless/ath/ath9k/htc.h
index c765ff4a505c..b771e20075a5 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/htc.h
+++ b/trunk/drivers/net/wireless/ath/ath9k/htc.h
@@ -329,6 +329,7 @@ struct htc_beacon_config {
 #define OP_ASSOCIATED     BIT(8)
 #define OP_ENABLE_BEACON  BIT(9)
 #define OP_LED_DEINIT     BIT(10)
+#define OP_UNPLUGGED      BIT(11)
 
 struct ath9k_htc_priv {
 	struct device *dev;
diff --git a/trunk/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/trunk/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index a86189629d92..701f2ef5a440 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/trunk/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -744,6 +744,9 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
 	if (ret)
 		goto err_init;
 
+	/* The device may have been unplugged earlier. */
+	priv->op_flags &= ~OP_UNPLUGGED;
+
 	ret = ath9k_init_device(priv, devid);
 	if (ret)
 		goto err_init;
@@ -760,6 +763,11 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug)
 {
 	if (htc_handle->drv_priv) {
+
+		/* Check if the device has been yanked out. */
+		if (hotunplug)
+			htc_handle->drv_priv->op_flags |= OP_UNPLUGGED;
+
 		ath9k_deinit_device(htc_handle->drv_priv);
 		ath9k_deinit_wmi(htc_handle->drv_priv);
 		ieee80211_free_hw(htc_handle->drv_priv->hw);
diff --git a/trunk/drivers/net/wireless/ath/ath9k/wmi.c b/trunk/drivers/net/wireless/ath/ath9k/wmi.c
index dc6c6fc2e095..c68854532659 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/wmi.c
+++ b/trunk/drivers/net/wireless/ath/ath9k/wmi.c
@@ -276,6 +276,9 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id,
 	int time_left, ret = 0;
 	unsigned long flags;
 
+	if (wmi->drv_priv->op_flags & OP_UNPLUGGED)
+		return 0;
+
 	if (!wmi)
 		return -EINVAL;