diff options
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 060964378e58..a2c14bfd4b3f 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -763,6 +763,9 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector, if (!eop_desc) break; + /* prevent any other reads prior to eop_desc */ + rmb(); + /* if DD is not set pending work has not been completed */ if (!(eop_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD))) break; @@ -773,12 +776,8 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector, /* clear next_to_watch to prevent false hangs */ tx_buffer->next_to_watch = NULL; - /* prevent any other reads prior to eop_desc being verified */ - rmb(); - do { ixgbe_unmap_tx_resource(tx_ring, tx_buffer); - tx_desc->wb.status = 0; if (likely(tx_desc == eop_desc)) { eop_desc = NULL; dev_kfree_skb_any(tx_buffer->skb); |