smsc9420: fix race in transmit time stamping.

Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Jun 19, 2011 · 6241207 · 6241207
1 parent 52f64fa
commit 6241207
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c
@@ -1031,12 +1031,12 @@ static netdev_tx_t smsc9420_hard_start_xmit(struct sk_buff *skb,
 	pd->tx_ring[index].status = TDES0_OWN_;
 	wmb();
 
+	skb_tx_timestamp(skb);
+
 	/* kick the DMA */
 	smsc9420_reg_write(pd, TX_POLL_DEMAND, 1);
 	smsc9420_pci_flush_write(pd);
 
-	skb_tx_timestamp(skb);
-
 	return NETDEV_TX_OK;
 }