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| author |   Eric Dumazet <edumazet@google.com> | 2019-10-23 22:44:50 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-10-28 13:33:41 -0700 |
| commit | 3ef7cf57c72f32f61e97f8fa401bc39ea1f1a5d4 (patch) | |
| tree | 7f962942a142ed611e6c063171ef0092f8af8fd8 /net/ipv4/udp.c | |
| parent | udp: use skb_queue_empty_lockless() (diff) | |
| download | linux-dev-3ef7cf57c72f32f61e97f8fa401bc39ea1f1a5d4.tar.xz linux-dev-3ef7cf57c72f32f61e97f8fa401bc39ea1f1a5d4.zip | |
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 '')
| -rw-r--r-- | net/ipv4/udp.c | 2 |
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 */ |