rt2x00: Always call ieee80211_stop_queue() when return NETDEV_TX_BUSY
Apparently it was possible that ieee80211_stop_queue() was not full while
NETDEV_TX_BUSY was being reported back. I think that is what causing the WARN_ON().
This moves all calls to ieee80211_stop_queue() in rt2x00mac.c where it is easier
to determine if the queue should be halted.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index 4833808..804a998 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -86,10 +86,8 @@
struct skb_desc *desc;
u32 word;
- if (rt2x00_ring_full(ring)) {
- ieee80211_stop_queue(rt2x00dev->hw, control->queue);
+ if (rt2x00_ring_full(ring))
return -EINVAL;
- }
rt2x00_desc_read(txd, 0, &word);
@@ -99,7 +97,6 @@
"Arrived at non-free entry in the non-full queue %d.\n"
"Please file bug report to %s.\n",
control->queue, DRV_PROJECT);
- ieee80211_stop_queue(rt2x00dev->hw, control->queue);
return -EINVAL;
}
@@ -119,9 +116,6 @@
rt2x00_ring_index_inc(ring);
- if (rt2x00_ring_full(ring))
- ieee80211_stop_queue(rt2x00dev->hw, control->queue);
-
return 0;
}
EXPORT_SYMBOL_GPL(rt2x00pci_write_tx_data);