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, 3 insertions, 3 deletions

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 67e87db5877f..0d8da809bea2 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2599,7 +2599,7 @@ static __poll_t unix_poll(struct file *file, struct socket *sock, poll_table *wa
                 mask |= EPOLLRDHUP | EPOLLIN | EPOLLRDNORM;
 
         /* readable? */
-        if (!skb_queue_empty(&sk->sk_receive_queue))
+        if (!skb_queue_empty_lockless(&sk->sk_receive_queue))
                 mask |= EPOLLIN | EPOLLRDNORM;
 
         /* Connection-based need to check for termination and startup */
@@ -2628,7 +2628,7 @@ static __poll_t unix_dgram_poll(struct file *file, struct socket *sock,
         mask = 0;
 
         /* 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);
 
@@ -2638,7 +2638,7 @@ static __poll_t unix_dgram_poll(struct file *file, struct socket *sock,
                 mask |= EPOLLHUP;
 
         /* readable? */
-        if (!skb_queue_empty(&sk->sk_receive_queue))
+        if (!skb_queue_empty_lockless(&sk->sk_receive_queue))
                 mask |= EPOLLIN | EPOLLRDNORM;
 
         /* Connection-based need to check for termination and startup */