mt76: dma: reset q->rx_head on rx reset

Fixes rx of the first frame if a fragmented rx was interrupted by the reset

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

diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 46f5223..c747eb2 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -431,6 +431,12 @@ mt76_dma_rx_reset(struct mt76_dev *dev, enum mt76_rxq_id qid)
        mt76_dma_rx_cleanup(dev, q);
        mt76_dma_sync_idx(dev, q);
        mt76_dma_rx_fill(dev, q);
+
+       if (!q->rx_head)
+               return;
+
+       dev_kfree_skb(q->rx_head);
+       q->rx_head = NULL;
 }
 
 static void