net: use skb_queue_empty_lockless() in poll() handlers
Many poll() handlers are lockless. Using skb_queue_empty_lockless() instead of skb_queue_empty() is more appropriate. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller

parent
137a0dbe34
commit
3ef7cf57c7
@@ -668,7 +668,7 @@ __poll_t vcc_poll(struct file *file, struct socket *sock, poll_table *wait)
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mask |= EPOLLHUP;
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/* readable? */
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if (!skb_queue_empty(&sk->sk_receive_queue))
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if (!skb_queue_empty_lockless(&sk->sk_receive_queue))
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mask |= EPOLLIN | EPOLLRDNORM;
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/* writable? */
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