rt2x00: merge fix for queue stopping

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37603

package/kernel/mac80211/patches/300-pending_work.patch

@@ -798,3 +798,45 @@
  	mi->prev_sample = false;
  	if (delta < 0 || (!mrr_capable && prev_sample))
  		return;
+--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
++++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
+@@ -936,13 +936,8 @@ void rt2x00queue_index_inc(struct queue_
+ 	spin_unlock_irqrestore(&queue->index_lock, irqflags);
+ }
+ 
+-void rt2x00queue_pause_queue(struct data_queue *queue)
++void rt2x00queue_pause_queue_nocheck(struct data_queue *queue)
+ {
+-	if (!test_bit(DEVICE_STATE_PRESENT, &queue->rt2x00dev->flags) ||
+-	    !test_bit(QUEUE_STARTED, &queue->flags) ||
+-	    test_and_set_bit(QUEUE_PAUSED, &queue->flags))
+-		return;
+-
+ 	switch (queue->qid) {
+ 	case QID_AC_VO:
+ 	case QID_AC_VI:
+@@ -958,6 +953,15 @@ void rt2x00queue_pause_queue(struct data
+ 		break;
+ 	}
+ }
++void rt2x00queue_pause_queue(struct data_queue *queue)
++{
++	if (!test_bit(DEVICE_STATE_PRESENT, &queue->rt2x00dev->flags) ||
++	    !test_bit(QUEUE_STARTED, &queue->flags) ||
++	    test_and_set_bit(QUEUE_PAUSED, &queue->flags))
++		return;
++
++	rt2x00queue_pause_queue_nocheck(queue);
++}
+ EXPORT_SYMBOL_GPL(rt2x00queue_pause_queue);
+ 
+ void rt2x00queue_unpause_queue(struct data_queue *queue)
+@@ -1019,7 +1023,7 @@ void rt2x00queue_stop_queue(struct data_
+ 		return;
+ 	}
+ 
+-	rt2x00queue_pause_queue(queue);
++	rt2x00queue_pause_queue_nocheck(queue);
+ 
+ 	queue->rt2x00dev->ops->lib->stop_queue(queue);
+