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gianfar: Do right check on num_txbdfree
This patch fixes a wrong check on num_txbdfree. It could lead to num_txbdfree become nagative. Result was that the gianfar stops sending data. Changes from first version : - removed a space between parens (David Millers comment) - full email address in signed off line Signed-off-by: Rini van Zetten <rini@arvoo.nl> Acked-by: Andy Fleming <afleming@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1284,7 +1284,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
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spin_lock_irqsave(&priv->txlock, flags);
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/* check if there is space to queue this packet */
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if (nr_frags > priv->num_txbdfree) {
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if ((nr_frags+1) > priv->num_txbdfree) {
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/* no space, stop the queue */
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netif_stop_queue(dev);
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dev->stats.tx_fifo_errors++;
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