1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 36d31a416320..c3dd590d87b2 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -781,6 +781,7 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
                 if (*work_done >= work_to_do)
                         break;
                 (*work_done)++;
+                rmb();  /* read descriptor and rx_buffer_info after status DD */
 
                 status = rx_desc->status;
                 skb = buffer_info->skb;
@@ -991,6 +992,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
         while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
                (count < tx_ring->count)) {
                 bool cleaned = false;
+                rmb(); /* read buffer_info after eop_desc */
                 for (; !cleaned; count++) {
                         tx_desc = E1000_TX_DESC(*tx_ring, i);
                         buffer_info = &tx_ring->buffer_info[i];
@@ -1087,6 +1089,7 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
                         break;
                 (*work_done)++;
                 skb = buffer_info->skb;
+                rmb();  /* read descriptor and rx_buffer_info after status DD */
 
                 /* in the packet split case this is header only */
                 prefetch(skb->data - NET_IP_ALIGN);
@@ -1286,6 +1289,7 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
                 if (*work_done >= work_to_do)
                         break;
                 (*work_done)++;
+                rmb();  /* read descriptor and rx_buffer_info after status DD */
 
                 status = rx_desc->status;
                 skb = buffer_info->skb;