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Commit 62412072 authored by Richard Cochran's avatar Richard Cochran Committed by David S. Miller
Browse files

smsc9420: fix race in transmit time stamping. 



Signed-off-by: default avatarRichard Cochran <richard.cochran@omicron.at>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 52f64fae

drivers/net/smsc9420.c

+2 −2
Original line number Diff line number Diff line
@@ -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;

}