[PATCH] net: ethernet: mtk-star-emac: return ok when xmit drops

[Vincent Stehlé]

The ndo_start_xmit() method must return NETDEV_TX_OK if the DMA mapping
fails, after freeing the socket buffer.
Fix the mtk_star_netdev_start_xmit() function accordingly.

Fixes: 8c7bd5a454ff ("net: ethernet: mtk-star-emac: new driver")
Signed-off-by: Vincent Stehlé <vincent.ste...@laposte.net>
Cc: David S. Miller <da...@davemloft.net>
Cc: Bartosz Golaszewski <bgolaszew...@baylibre.com>
---
 drivers/net/ethernet/mediatek/mtk_star_emac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c 
b/drivers/net/ethernet/mediatek/mtk_star_emac.c
index 13250553263b5..e56a26f797f28 100644
--- a/drivers/net/ethernet/mediatek/mtk_star_emac.c
+++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c
@@ -1053,7 +1053,7 @@ static int mtk_star_netdev_start_xmit(struct sk_buff *skb,
 err_drop_packet:
        dev_kfree_skb(skb);
        ndev->stats.tx_dropped++;
-       return NETDEV_TX_BUSY;
+       return NETDEV_TX_OK;
 }
 
 /* Returns the number of bytes sent or a negative number on the first
-- 
2.28.0