Commit 1e874e04 authored by Francois Romieu's avatar Francois Romieu
Browse files

r8169: missing barriers. 



Signed-off-by: default avatarFrancois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
parent 9085cdfa

drivers/net/ethernet/realtek/r8169.c

+2 −3
Original line number Diff line number Diff line
@@ -5552,7 +5552,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, 


	if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {

		netif_stop_queue(dev);

		smp_rmb();

		smp_mb();

		if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)

			netif_wake_queue(dev);

	}
@@ -5653,7 +5653,7 @@ static void rtl8169_tx_interrupt(struct net_device *dev, 


	if (tp->dirty_tx != dirty_tx) {

		tp->dirty_tx = dirty_tx;

		smp_wmb();

		smp_mb();

		if (netif_queue_stopped(dev) &&

		    (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {

			netif_wake_queue(dev);
@@ -5664,7 +5664,6 @@ static void rtl8169_tx_interrupt(struct net_device *dev, 
		 * of start_xmit activity is detected (if it is not detected,

		 * it is slow enough). -- FR

		 */

		smp_rmb();

		if (tp->cur_tx != dirty_tx)

			RTL_W8(TxPoll, NPQ);

	}