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path: root/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
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Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_enet.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_enet.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index d424d5bc0507..b396e934e83f 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2373,6 +2373,9 @@ static int hns3_handle_rx_bd(struct hns3_enet_ring *ring,
length = le16_to_cpu(desc->rx.size);
bd_base_info = le32_to_cpu(desc->rx.bd_base_info);
+ /* make sure HW write desc complete */
+ dma_rmb();
+
/* Check valid BD */
if (unlikely(!hnae3_get_bit(bd_base_info, HNS3_RXD_VLD_B)))
return -EFAULT;