diff options
| author | Francois Romieu <romieu@fr.zoreil.com> | 2012-01-27 18:05:38 +0400 |
|---|---|---|
| committer | Francois Romieu <romieu@fr.zoreil.com> | 2012-01-27 21:44:59 +0400 |
| commit | 1e874e041fc7c222cbd85b20c4406070be1f687a (patch) | |
| tree | 0632f111a1387fe3a33e5b9724b8452fccd70a7f /drivers | |
| parent | 9085cdfa2f9f04d8678465748e2cced6e3f02e26 (diff) | |
| download | linux-1e874e041fc7c222cbd85b20c4406070be1f687a.tar.xz | |
r8169: missing barriers.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169.c | 5 |
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); } |