diff options
Diffstat (limited to 'drivers/net/igbvf/netdev.c')
| -rw-r--r-- | drivers/net/igbvf/netdev.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c index ec808fa..c539f7c 100644 --- a/drivers/net/igbvf/netdev.c +++ b/drivers/net/igbvf/netdev.c @@ -248,6 +248,7 @@ static bool igbvf_clean_rx_irq(struct igbvf_adapter *adapter, if (*work_done >= work_to_do) break; (*work_done)++; + rmb(); /* read descriptor and rx_buffer_info after status DD */ buffer_info = &rx_ring->buffer_info[i]; @@ -780,6 +781,7 @@ static bool igbvf_clean_tx_irq(struct igbvf_ring *tx_ring) while ((eop_desc->wb.status & cpu_to_le32(E1000_TXD_STAT_DD)) && (count < tx_ring->count)) { + rmb(); /* read buffer_info after eop_desc status */ for (cleaned = false; !cleaned; count++) { tx_desc = IGBVF_TX_DESC_ADV(*tx_ring, i); buffer_info = &tx_ring->buffer_info[i]; |