diff options
| author | Eric Dumazet <edumazet@google.com> | 2019-10-23 22:44:51 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-10-28 13:33:41 -0700 |
| commit | 3f926af3f4d688e2e11e7f8ed04e277a14d4d4a4 (patch) | |
| tree | 3cdc7bbab6fc9caa1282afe98eddd91add1aabd7 /drivers/crypto/chelsio | |
| parent | 3ef7cf57c72f32f61e97f8fa401bc39ea1f1a5d4 (diff) | |
net: use skb_queue_empty_lockless() in busy poll contexts
Busy polling usually runs without locks.
Let's use skb_queue_empty_lockless() instead of skb_queue_empty()
Also uses READ_ONCE() in __skb_try_recv_datagram() to address
a similar potential problem.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/crypto/chelsio')
| -rw-r--r-- | drivers/crypto/chelsio/chtls/chtls_io.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/chelsio/chtls/chtls_io.c b/drivers/crypto/chelsio/chtls/chtls_io.c index 0891ab829b1b..98bc5a4cd5e7 100644 --- a/drivers/crypto/chelsio/chtls/chtls_io.c +++ b/drivers/crypto/chelsio/chtls/chtls_io.c @@ -1702,7 +1702,7 @@ int chtls_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, return peekmsg(sk, msg, len, nonblock, flags); if (sk_can_busy_loop(sk) && - skb_queue_empty(&sk->sk_receive_queue) && + skb_queue_empty_lockless(&sk->sk_receive_queue) && sk->sk_state == TCP_ESTABLISHED) sk_busy_loop(sk, nonblock); |