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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 2cc259736c2e..345a3d43f5a6 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2712,7 +2712,7 @@ __poll_t udp_poll(struct file *file, struct socket *sock, poll_table *wait)
         __poll_t mask = datagram_poll(file, sock, wait);
         struct sock *sk = sock->sk;
 
-        if (!skb_queue_empty(&udp_sk(sk)->reader_queue))
+        if (!skb_queue_empty_lockless(&udp_sk(sk)->reader_queue))
                 mask |= EPOLLIN | EPOLLRDNORM;
 
         /* Check for false positives due to checksum errors */