diff options
| author |   Eric Dumazet <edumazet@google.com> | 2019-11-05 14:11:52 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-11-06 16:14:48 -0800 |
| commit | 7976a11b30929871a4c84c3c406d7681a3dbcc10 (patch) | |
| tree | bdbef4ca196215ba83037b47bbcc5820e614e3e9 /net/vmw_vsock | |
| parent | net: avoid potential false sharing in neighbor related code (diff) | |
| download | wireguard-linux-7976a11b30929871a4c84c3c406d7681a3dbcc10.tar.xz wireguard-linux-7976a11b30929871a4c84c3c406d7681a3dbcc10.zip | |
net: use helpers to change sk_ack_backlog
Writers are holding a lock, but many readers do not.
Following patch will add appropriate barriers in
sk_acceptq_removed() and sk_acceptq_added().
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/vmw_vsock')
| -rw-r--r-- | net/vmw_vsock/af_vsock.c | 4 | ||||
| -rw-r--r-- | net/vmw_vsock/hyperv_transport.c | 2 | ||||
| -rw-r--r-- | net/vmw_vsock/virtio_transport_common.c | 2 | ||||
| -rw-r--r-- | net/vmw_vsock/vmci_transport.c | 2 |
4 files changed, 5 insertions, 5 deletions
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index c0856e74f44f..1f4fde4711b6 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -439,7 +439,7 @@ static void vsock_pending_work(struct work_struct *work) if (vsock_is_pending(sk)) { vsock_remove_pending(listener, sk); - listener->sk_ack_backlog--; + sk_acceptq_removed(listener); } else if (!vsk->rejected) { /* We are not on the pending list and accept() did not reject * us, so we must have been accepted by our user process. We @@ -1299,7 +1299,7 @@ static int vsock_accept(struct socket *sock, struct socket *newsock, int flags, err = -listener->sk_err; if (connected) { - listener->sk_ack_backlog--; + sk_acceptq_removed(listener); lock_sock_nested(connected, SINGLE_DEPTH_NESTING); vconnected = vsock_sk(connected); diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c index bef8772116ec..7fa09c5e4625 100644 --- a/net/vmw_vsock/hyperv_transport.c +++ b/net/vmw_vsock/hyperv_transport.c @@ -428,7 +428,7 @@ static void hvs_open_connection(struct vmbus_channel *chan) if (conn_from_host) { new->sk_state = TCP_ESTABLISHED; - sk->sk_ack_backlog++; + sk_acceptq_added(sk); hvs_addr_init(&vnew->local_addr, if_type); hvs_remote_addr_init(&vnew->remote_addr, &vnew->local_addr); diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index d02c9b41a768..193f959e51ef 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -1066,7 +1066,7 @@ virtio_transport_recv_listen(struct sock *sk, struct virtio_vsock_pkt *pkt) return -ENOMEM; } - sk->sk_ack_backlog++; + sk_acceptq_added(sk); lock_sock_nested(child, SINGLE_DEPTH_NESTING); diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c index 8c9c4ed90fa7..6ba98a1efe2e 100644 --- a/net/vmw_vsock/vmci_transport.c +++ b/net/vmw_vsock/vmci_transport.c @@ -1098,7 +1098,7 @@ static int vmci_transport_recv_listen(struct sock *sk, } vsock_add_pending(sk, pending); - sk->sk_ack_backlog++; + sk_acceptq_added(sk); pending->sk_state = TCP_SYN_SENT; vmci_trans(vpending)->produce_size = |