Signed-off-by: Benjamin Herrenschmidt <[email protected]>
---
drivers/net/ethernet/faraday/ftgmac100.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/faraday/ftgmac100.c
b/drivers/net/ethernet/faraday/ftgmac100.c
index 86bda0a..594af30 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.c
+++ b/drivers/net/ethernet/faraday/ftgmac100.c
@@ -442,6 +442,9 @@ static bool ftgmac100_rx_packet(struct ftgmac100 *priv, int
*processed)
if (!ftgmac100_rxdes_packet_ready(rxdes))
return false;
+ /* Order subsequent reads with the test for the ready bit */
+ dma_rmb();
+
/* We don't cope with fragmented RX packets */
if (unlikely(!ftgmac100_rxdes_first_segment(rxdes) ||
!ftgmac100_rxdes_last_segment(rxdes)))
--
2.9.3
