diff options
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00usb.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index 769c53451b21..89d77f55d76c 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -363,10 +363,12 @@ void rt2x00usb_watchdog(struct rt2x00_dev *rt2x00dev) struct data_queue *queue; tx_queue_for_each(rt2x00dev, queue) { - if (rt2x00queue_dma_timeout(queue)) - rt2x00usb_watchdog_tx_dma(queue); - if (rt2x00queue_timeout(queue)) - rt2x00usb_watchdog_tx_status(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); |