Phonet: fix accounting race between gprs_writeable() and gprs_xmit()
In the unlikely event that gprs_writeable() and gprs_xmit() check for writeability at the same, we could stop the device queue forever. Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -212,8 +212,9 @@ static int gprs_xmit(struct sk_buff *skb, struct net_device *dev)
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dev->stats.tx_bytes += len;
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}
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if (!pep_writeable(sk))
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netif_stop_queue(dev);
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netif_stop_queue(dev);
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if (pep_writeable(sk))
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netif_wake_queue(dev);
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return 0;
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}
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