diff options
| -rw-r--r-- | drivers/net/ethernet/moxa/moxart_ether.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index abd2c545df83..6eee6863c224 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -314,6 +314,7 @@ static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) unsigned int len; unsigned int tx_head = priv->tx_head; u32 txdes1; + int ret = NETDEV_TX_BUSY; desc = priv->tx_desc_base + (TX_REG_DESC_SIZE * tx_head); @@ -321,7 +322,7 @@ static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) if (readl(desc + TX_REG_OFFSET_DESC0) & TX_DESC0_DMA_OWN) { net_dbg_ratelimited("no TX space for packet\n"); priv->stats.tx_dropped++; - return NETDEV_TX_BUSY; + goto out_unlock; } len = skb->len > TX_BUF_SIZE ? TX_BUF_SIZE : skb->len; @@ -330,7 +331,7 @@ static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) len, DMA_TO_DEVICE); if (dma_mapping_error(&ndev->dev, priv->tx_mapping[tx_head])) { netdev_err(ndev, "DMA mapping error\n"); - return NETDEV_TX_BUSY; + goto out_unlock; } priv->tx_len[tx_head] = len; @@ -360,10 +361,11 @@ static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) priv->tx_head = TX_NEXT(tx_head); ndev->trans_start = jiffies; - + ret = NETDEV_TX_OK; +out_unlock: spin_unlock_irq(&priv->txlock); - return NETDEV_TX_OK; + return ret; } static struct net_device_stats *moxart_mac_get_stats(struct net_device *ndev) |