[PATCH 6/7] smsc9420: fix race in transmit time stamping.
From: Richard Cochran <richardcochran@gmail.com>
Date: 2011-06-19 13:32:17
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: Richard Cochran <redacted> --- drivers/net/smsc9420.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c
index 2d84f92..ae4d60a 100644
--- a/drivers/net/smsc9420.c
+++ b/drivers/net/smsc9420.c@@ -1030,12 +1030,12 @@ 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; }
--
1.7.0.4