diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index cf6445d148ca5..7f85a8494eeed 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1447,15 +1447,19 @@ static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev) else index -= 1; - nr_frags = skb_shinfo(skb)->nr_frags; ring = &priv->tx_rings[index]; txq = netdev_get_tx_queue(dev, ring->queue); + nr_frags = skb_shinfo(skb)->nr_frags; + spin_lock_irqsave(&ring->lock, flags); - if (ring->free_bds <= nr_frags + 1) { - netif_tx_stop_queue(txq); - netdev_err(dev, "%s: tx ring %d full when queue %d awake\n", - __func__, index, ring->queue); + if (ring->free_bds <= (nr_frags + 1)) { + if (!netif_tx_queue_stopped(txq)) { + netif_tx_stop_queue(txq); + netdev_err(dev, + "%s: tx ring %d full when queue %d awake\n", + __func__, index, ring->queue); + } ret = NETDEV_TX_BUSY; goto out; }