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, 2 insertions, 2 deletions

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 5ca0ec0e823c..cfb25391b8b0 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -8476,7 +8476,7 @@ __poll_t sctp_poll(struct file *file, struct socket *sock, poll_table *wait)
         mask = 0;
 
         /* Is there any exceptional events?  */
-        if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
+        if (sk->sk_err || !skb_queue_empty_lockless(&sk->sk_error_queue))
                 mask |= EPOLLERR |
                         (sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? EPOLLPRI : 0);
         if (sk->sk_shutdown & RCV_SHUTDOWN)
@@ -8485,7 +8485,7 @@ __poll_t sctp_poll(struct file *file, struct socket *sock, poll_table *wait)
                 mask |= EPOLLHUP;
 
         /* Is it readable?  Reconsider this code with TCP-style support.  */
-        if (!skb_queue_empty(&sk->sk_receive_queue))
+        if (!skb_queue_empty_lockless(&sk->sk_receive_queue))
                 mask |= EPOLLIN | EPOLLRDNORM;
 
         /* The association is either gone or not ready.  */