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authorEric Dumazet <edumazet@google.com>2019-10-23 22:44:50 -0700
committerDavid S. Miller <davem@davemloft.net>2019-10-28 13:33:41 -0700
commit3ef7cf57c72f32f61e97f8fa401bc39ea1f1a5d4 (patch)
tree7f962942a142ed611e6c063171ef0092f8af8fd8 /net/phonet
parent137a0dbe3426fd7bcfe3f8117b36a87b3590e4eb (diff)
downloadlinux-3ef7cf57c72f32f61e97f8fa401bc39ea1f1a5d4.tar.bz2
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>
Diffstat (limited to 'net/phonet')
-rw-r--r--net/phonet/socket.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 96ea9f254ae9..76d499f6af9a 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -338,9 +338,9 @@ static __poll_t pn_socket_poll(struct file *file, struct socket *sock,
if (sk->sk_state == TCP_CLOSE)
return EPOLLERR;
- if (!skb_queue_empty(&sk->sk_receive_queue))
+ if (!skb_queue_empty_lockless(&sk->sk_receive_queue))
mask |= EPOLLIN | EPOLLRDNORM;
- if (!skb_queue_empty(&pn->ctrlreq_queue))
+ if (!skb_queue_empty_lockless(&pn->ctrlreq_queue))
mask |= EPOLLPRI;
if (!mask && sk->sk_state == TCP_CLOSE_WAIT)
return EPOLLHUP;