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authorFrancois Romieu <romieu@fr.zoreil.com>2012-01-27 15:05:38 +0100
committerFrancois Romieu <romieu@fr.zoreil.com>2012-01-27 18:44:59 +0100
commit1e874e041fc7c222cbd85b20c4406070be1f687a (patch)
tree0632f111a1387fe3a33e5b9724b8452fccd70a7f
parent9085cdfa2f9f04d8678465748e2cced6e3f02e26 (diff)
downloadlinux-1e874e041fc7c222cbd85b20c4406070be1f687a.tar.bz2
r8169: missing barriers.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Hayes Wang <hayeswang@realtek.com>
-rw-r--r--drivers/net/ethernet/realtek/r8169.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 610f4b3655c7..8dd13f5a9203 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -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);
}