smsc9420: fix race in transmit time stamping.
authorRichard Cochran <richardcochran@gmail.com>
Sun, 19 Jun 2011 03:31:44 +0000 (03:31 +0000)
committerDavid S. Miller <davem@davemloft.net>
Sun, 19 Jun 2011 23:35:31 +0000 (16:35 -0700)
Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/smsc9420.c

index 5555102bb964cfa9719609d28eaa9244c6cae9cb..459726f5475417f6effcb8fad59284f1f6a09d28 100644 (file)
@@ -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;
 }