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nuport-mac: close possible race condition during start

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SVN-Revision: 33069
This commit is contained in:
Florian Fainelli 2012-08-08 21:51:13 +00:00
parent 35351a28b9
commit 5e877f02b4
1 changed files with 5 additions and 1 deletions
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6
target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c
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@ -809,7 +809,11 @@ static int nuport_mac_open(struct net_device *dev)
nuport_mac_reset_rx_dma(priv);
/* Start RX DMA */
return nuport_mac_start_rx_dma(priv, priv->rx_skb[0]);
spin_lock_irqsave(&priv->lock, flags);
ret = nuport_mac_start_rx_dma(priv, priv->rx_skb[0]);
spin_unlock_irqrestore(&priv->lock, flags);
return ret;
out_rx_skb:
nuport_mac_free_rx_ring(priv);