mt76: check for pending reset before attempting to schedule tx

The check within mt76_txq_send_burst is not enough, as it happens after
a first frame has already been queued up

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c
index 6aca794..7ecd2d7 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/tx.c
+++ b/drivers/net/wireless/mediatek/mt76/tx.c
@@ -385,6 +385,10 @@ restart:
                bool empty = false;
                int cur;
 
+               if (test_bit(MT76_SCANNING, &dev->state) ||
+                   test_bit(MT76_RESET, &dev->state))
+                       return -EBUSY;
+
                mtxq = list_first_entry(&hwq->swq, struct mt76_txq, list);
                if (mtxq->send_bar && mtxq->aggr) {
                        struct ieee80211_txq *txq = mtxq_to_txq(mtxq);