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tg3: fix race in transmit time stamping. 

Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Cochran 2011-06-19 03:31:41 +00:00 committed by David S. Miller
parent a0087a3619
commit d515b450bf
1 changed files with 2 additions and 2 deletions
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4
drivers/net/tg3.c
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@ -6119,11 +6119,11 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
entry = NEXT_TX(tnapi->tx_prod);
}
skb_tx_timestamp(skb);
/* Packets are ready, update Tx producer idx local and on card. */
tw32_tx_mbox(tnapi->prodmbox, entry);
skb_tx_timestamp(skb);
tnapi->tx_prod = entry;
if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
netif_tx_stop_queue(txq);