257 	struct tx_buf *tx_buf = (struct tx_buf *) urb->context;  in hif_usb_tx_cb()  local
261 	if (!tx_buf || !tx_buf->hif_dev)  in hif_usb_tx_cb()
264 	hif_dev = tx_buf->hif_dev;  in hif_usb_tx_cb()
282 			ath9k_skb_queue_purge(hif_dev, &tx_buf->skb_queue);  in hif_usb_tx_cb()
293 	ath9k_skb_queue_complete(hif_dev, &tx_buf->skb_queue, txok);  in hif_usb_tx_cb()
296 	tx_buf->len = tx_buf->offset = 0;  in hif_usb_tx_cb()
297 	__skb_queue_head_init(&tx_buf->skb_queue);  in hif_usb_tx_cb()
301 	list_move_tail(&tx_buf->list, &hif_dev->tx.tx_buf);  in hif_usb_tx_cb()
312 	struct tx_buf *tx_buf = NULL;  in __hif_usb_tx()  local
323 	if (list_empty(&hif_dev->tx.tx_buf))  in __hif_usb_tx()
326 	tx_buf = list_first_entry(&hif_dev->tx.tx_buf, struct tx_buf, list);  in __hif_usb_tx()
327 	list_move_tail(&tx_buf->list, &hif_dev->tx.tx_pending);  in __hif_usb_tx()
340 		buf = tx_buf->buf;  in __hif_usb_tx()
341 		buf += tx_buf->offset;  in __hif_usb_tx()
347 		tx_buf->len = nskb->len + 4;  in __hif_usb_tx()
350 			tx_buf->offset += (((tx_buf->len - 1) / 4) + 1) * 4;  in __hif_usb_tx()
353 			tx_buf->len += tx_buf->offset;  in __hif_usb_tx()
355 		__skb_queue_tail(&tx_buf->skb_queue, nskb);  in __hif_usb_tx()
359 	usb_fill_bulk_urb(tx_buf->urb, hif_dev->udev,  in __hif_usb_tx()
361 			  tx_buf->buf, tx_buf->len,  in __hif_usb_tx()
362 			  hif_usb_tx_cb, tx_buf);  in __hif_usb_tx()
364 	ret = usb_submit_urb(tx_buf->urb, GFP_ATOMIC);  in __hif_usb_tx()
366 		tx_buf->len = tx_buf->offset = 0;  in __hif_usb_tx()
367 		ath9k_skb_queue_complete(hif_dev, &tx_buf->skb_queue, false);  in __hif_usb_tx()
368 		__skb_queue_head_init(&tx_buf->skb_queue);  in __hif_usb_tx()
369 		list_move_tail(&tx_buf->list, &hif_dev->tx.tx_buf);  in __hif_usb_tx()
441 	struct tx_buf *tx_buf = NULL, *tx_buf_tmp = NULL;  in hif_usb_stop()  local
452 	list_for_each_entry_safe(tx_buf, tx_buf_tmp,  in hif_usb_stop()
454 		usb_get_urb(tx_buf->urb);  in hif_usb_stop()
456 		usb_kill_urb(tx_buf->urb);  in hif_usb_stop()
457 		list_del(&tx_buf->list);  in hif_usb_stop()
458 		usb_free_urb(tx_buf->urb);  in hif_usb_stop()
459 		kfree(tx_buf->buf);  in hif_usb_stop()
460 		kfree(tx_buf);  in hif_usb_stop()
777 	struct tx_buf *tx_buf = NULL, *tx_buf_tmp = NULL;  in ath9k_hif_usb_dealloc_tx_urbs()  local
781 	list_for_each_entry_safe(tx_buf, tx_buf_tmp,  in ath9k_hif_usb_dealloc_tx_urbs()
782 				 &hif_dev->tx.tx_buf, list) {  in ath9k_hif_usb_dealloc_tx_urbs()
783 		usb_get_urb(tx_buf->urb);  in ath9k_hif_usb_dealloc_tx_urbs()
785 		usb_kill_urb(tx_buf->urb);  in ath9k_hif_usb_dealloc_tx_urbs()
786 		list_del(&tx_buf->list);  in ath9k_hif_usb_dealloc_tx_urbs()
787 		usb_free_urb(tx_buf->urb);  in ath9k_hif_usb_dealloc_tx_urbs()
788 		kfree(tx_buf->buf);  in ath9k_hif_usb_dealloc_tx_urbs()
789 		kfree(tx_buf);  in ath9k_hif_usb_dealloc_tx_urbs()
799 	list_for_each_entry_safe(tx_buf, tx_buf_tmp,  in ath9k_hif_usb_dealloc_tx_urbs()
801 		usb_get_urb(tx_buf->urb);  in ath9k_hif_usb_dealloc_tx_urbs()
803 		usb_kill_urb(tx_buf->urb);  in ath9k_hif_usb_dealloc_tx_urbs()
804 		list_del(&tx_buf->list);  in ath9k_hif_usb_dealloc_tx_urbs()
805 		usb_free_urb(tx_buf->urb);  in ath9k_hif_usb_dealloc_tx_urbs()
806 		kfree(tx_buf->buf);  in ath9k_hif_usb_dealloc_tx_urbs()
807 		kfree(tx_buf);  in ath9k_hif_usb_dealloc_tx_urbs()
817 	struct tx_buf *tx_buf;  in ath9k_hif_usb_alloc_tx_urbs()  local
820 	INIT_LIST_HEAD(&hif_dev->tx.tx_buf);  in ath9k_hif_usb_alloc_tx_urbs()
827 		tx_buf = kzalloc(sizeof(*tx_buf), GFP_KERNEL);  in ath9k_hif_usb_alloc_tx_urbs()
828 		if (!tx_buf)  in ath9k_hif_usb_alloc_tx_urbs()
831 		tx_buf->buf = kzalloc(MAX_TX_BUF_SIZE, GFP_KERNEL);  in ath9k_hif_usb_alloc_tx_urbs()
832 		if (!tx_buf->buf)  in ath9k_hif_usb_alloc_tx_urbs()
835 		tx_buf->urb = usb_alloc_urb(0, GFP_KERNEL);  in ath9k_hif_usb_alloc_tx_urbs()
836 		if (!tx_buf->urb)  in ath9k_hif_usb_alloc_tx_urbs()
839 		tx_buf->hif_dev = hif_dev;  in ath9k_hif_usb_alloc_tx_urbs()
840 		__skb_queue_head_init(&tx_buf->skb_queue);  in ath9k_hif_usb_alloc_tx_urbs()
842 		list_add_tail(&tx_buf->list, &hif_dev->tx.tx_buf);  in ath9k_hif_usb_alloc_tx_urbs()
849 	if (tx_buf) {  in ath9k_hif_usb_alloc_tx_urbs()
850 		kfree(tx_buf->buf);  in ath9k_hif_usb_alloc_tx_urbs()
851 		kfree(tx_buf);  in ath9k_hif_usb_alloc_tx_urbs()