Commit 1a397696 authored by Ivo van Doorn's avatar Ivo van Doorn Committed by John W. Linville
Browse files

rt2x00: Don't perform watchdog checks on empty queue 



The currently used watchdog functions cannot be applied
to empty queues.

Signed-off-by: default avatarIvo van Doorn <IvDoorn@gmail.com>
Acked-by: default avatarHelmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent a1d1eabc

drivers/net/wireless/rt2x00/rt2x00usb.c

+6 −4
Original line number Diff line number Diff line
@@ -363,12 +363,14 @@ void rt2x00usb_watchdog(struct rt2x00_dev *rt2x00dev) 
	struct data_queue *queue;



	tx_queue_for_each(rt2x00dev, queue) {

		if (!rt2x00queue_empty(queue)) {

			if (rt2x00queue_dma_timeout(queue))

				rt2x00usb_watchdog_tx_dma(queue);

			if (rt2x00queue_timeout(queue))

				rt2x00usb_watchdog_tx_status(queue);

		}

	}

}

EXPORT_SYMBOL_GPL(rt2x00usb_watchdog);



/*

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