Merge branches 'acpi-bus', 'acpi-pci', 'acpica' and 'acpi-doc'

[cascardo/linux.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_io.c

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
index 607bb7d..87c642d 100644 (file)
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
@@ -772,6 +772,8 @@ netdev_tx_t qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
        tx_ring->tx_stats.tx_bytes += skb->len;
        tx_ring->tx_stats.xmit_called++;
 
+       /* Ensure writes are complete before HW fetches Tx descriptors */
+       wmb();
        qlcnic_update_cmd_producer(tx_ring);
 
        return NETDEV_TX_OK;