3 files changed, 6 insertions, 35 deletions

diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
index 524327d249..7e7797bf44 100644
--- a/drivers/net/wireless/ath/carl9170/main.c
+++ b/drivers/net/wireless/ath/carl9170/main.c
@@ -1712,6 +1712,10 @@ static bool carl9170_tx_frames_pending(struct ieee80211_hw *hw)
 }
 
 static const struct ieee80211_ops carl9170_ops = {
+	.add_chanctx = ieee80211_emulate_add_chanctx,
+	.remove_chanctx = ieee80211_emulate_remove_chanctx,
+	.change_chanctx = ieee80211_emulate_change_chanctx,
+	.switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
 	.start			= carl9170_op_start,
 	.stop			= carl9170_op_stop,
 	.tx			= carl9170_op_tx,
diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c
index 88ef6e023f..e902ca80eb 100644
--- a/drivers/net/wireless/ath/carl9170/tx.c
+++ b/drivers/net/wireless/ath/carl9170/tx.c
@@ -189,7 +189,7 @@ static void carl9170_tx_accounting_free(struct ar9170 *ar, struct sk_buff *skb)
 
 static int carl9170_alloc_dev_space(struct ar9170 *ar, struct sk_buff *skb)
 {
-	struct _carl9170_tx_superframe *super = (void *) skb->data;
+	struct _carl9170_tx_superframe *super;
 	unsigned int chunks;
 	int cookie = -1;
 
@@ -280,8 +280,7 @@ static void carl9170_tx_release(struct kref *ref)
 	 * carl9170_tx_fill_rateinfo() has filled the rate information
 	 * before we get to this point.
 	 */
-	memset(&txinfo->pad, 0, sizeof(txinfo->pad));
-	memset(&txinfo->rate_driver_data, 0, sizeof(txinfo->rate_driver_data));
+	memset_after(&txinfo->status, 0, rates);
 
 	if (atomic_read(&ar->tx_total_queued))
 		ar->tx_schedule = true;
diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c
index a3e03580cd..c4edf83559 100644
--- a/drivers/net/wireless/ath/carl9170/usb.c
+++ b/drivers/net/wireless/ath/carl9170/usb.c
@@ -1069,38 +1069,6 @@ static int carl9170_usb_probe(struct usb_interface *intf,
 			ar->usb_ep_cmd_is_bulk = true;
 	}
 
-	/* Verify that all expected endpoints are present */
-	if (ar->usb_ep_cmd_is_bulk) {
-		u8 bulk_ep_addr[] = {
-			AR9170_USB_EP_RX | USB_DIR_IN,
-			AR9170_USB_EP_TX | USB_DIR_OUT,
-			AR9170_USB_EP_CMD | USB_DIR_OUT,
-			0};
-		u8 int_ep_addr[] = {
-			AR9170_USB_EP_IRQ | USB_DIR_IN,
-			0};
-		if (!usb_check_bulk_endpoints(intf, bulk_ep_addr) ||
-		    !usb_check_int_endpoints(intf, int_ep_addr))
-			err = -ENODEV;
-	} else {
-		u8 bulk_ep_addr[] = {
-			AR9170_USB_EP_RX | USB_DIR_IN,
-			AR9170_USB_EP_TX | USB_DIR_OUT,
-			0};
-		u8 int_ep_addr[] = {
-			AR9170_USB_EP_IRQ | USB_DIR_IN,
-			AR9170_USB_EP_CMD | USB_DIR_OUT,
-			0};
-		if (!usb_check_bulk_endpoints(intf, bulk_ep_addr) ||
-		    !usb_check_int_endpoints(intf, int_ep_addr))
-			err = -ENODEV;
-	}
-
-	if (err) {
-		carl9170_free(ar);
-		return err;
-	}
-
 	usb_set_intfdata(intf, ar);
 	SET_IEEE80211_DEV(ar->hw, &intf->dev);