netpoll: Remove strong unnecessary assumptions about skbs
Remove the assumption that the skbs that make it to netpoll_send_skb_on_dev are allocated with find_skb, such that skb->users == 1 and nothing is attached that would prevent the skbs from being freed from hard irq context. Remove this assumption by replacing __kfree_skb on error paths with dev_kfree_skb_irq (in hard irq context) and kfree_skb (in process context). Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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66b5552fc2
Коммит
080b3c19a4
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@ -112,7 +112,7 @@ static void queue_process(struct work_struct *work)
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struct netdev_queue *txq;
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if (!netif_device_present(dev) || !netif_running(dev)) {
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__kfree_skb(skb);
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kfree_skb(skb);
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continue;
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}
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@ -332,7 +332,7 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
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npinfo = rcu_dereference_bh(np->dev->npinfo);
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if (!npinfo || !netif_running(dev) || !netif_device_present(dev)) {
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__kfree_skb(skb);
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dev_kfree_skb_irq(skb);
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return;
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}
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