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authorEric Dumazet <edumazet@google.com>2019-11-05 14:11:52 -0800
committerDavid S. Miller <davem@davemloft.net>2019-11-06 16:14:48 -0800
commit7976a11b30929871a4c84c3c406d7681a3dbcc10 (patch)
treebdbef4ca196215ba83037b47bbcc5820e614e3e9 /net/vmw_vsock
parent25c7a6d1f90e208ec27ca854b1381ed39842ec57 (diff)
downloadlinux-7976a11b30929871a4c84c3c406d7681a3dbcc10.tar.bz2
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.c4
-rw-r--r--net/vmw_vsock/hyperv_transport.c2
-rw-r--r--net/vmw_vsock/virtio_transport_common.c2
-rw-r--r--net/vmw_vsock/vmci_transport.c2
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 =