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path: root/net/vmw_vsock/hyperv_transport.c
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Diffstat (limited to 'net/vmw_vsock/hyperv_transport.c')
-rw-r--r--net/vmw_vsock/hyperv_transport.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c
index bbac023e70d1..5583df708b8c 100644
--- a/net/vmw_vsock/hyperv_transport.c
+++ b/net/vmw_vsock/hyperv_transport.c
@@ -310,11 +310,15 @@ static void hvs_close_connection(struct vmbus_channel *chan)
struct sock *sk = get_per_channel_state(chan);
struct vsock_sock *vsk = vsock_sk(sk);
+ lock_sock(sk);
+
sk->sk_state = TCP_CLOSE;
sock_set_flag(sk, SOCK_DONE);
vsk->peer_shutdown |= SEND_SHUTDOWN | RCV_SHUTDOWN;
sk->sk_state_change(sk);
+
+ release_sock(sk);
}
static void hvs_open_connection(struct vmbus_channel *chan)
@@ -344,6 +348,7 @@ static void hvs_open_connection(struct vmbus_channel *chan)
if (!sk)
return;
+ lock_sock(sk);
if ((conn_from_host && sk->sk_state != TCP_LISTEN) ||
(!conn_from_host && sk->sk_state != TCP_SYN_SENT))
goto out;
@@ -395,9 +400,7 @@ static void hvs_open_connection(struct vmbus_channel *chan)
vsock_insert_connected(vnew);
- lock_sock(sk);
vsock_enqueue_accept(sk, new);
- release_sock(sk);
} else {
sk->sk_state = TCP_ESTABLISHED;
sk->sk_socket->state = SS_CONNECTED;
@@ -410,6 +413,8 @@ static void hvs_open_connection(struct vmbus_channel *chan)
out:
/* Release refcnt obtained when we called vsock_find_bound_socket() */
sock_put(sk);
+
+ release_sock(sk);
}
static u32 hvs_get_local_cid(void)
@@ -476,13 +481,21 @@ out:
static void hvs_release(struct vsock_sock *vsk)
{
+ struct sock *sk = sk_vsock(vsk);
struct hvsock *hvs = vsk->trans;
- struct vmbus_channel *chan = hvs->chan;
+ struct vmbus_channel *chan;
+
+ lock_sock(sk);
+
+ sk->sk_state = SS_DISCONNECTING;
+ vsock_remove_sock(vsk);
+
+ release_sock(sk);
+ chan = hvs->chan;
if (chan)
hvs_shutdown(vsk, RCV_SHUTDOWN | SEND_SHUTDOWN);
- vsock_remove_sock(vsk);
}
static void hvs_destruct(struct vsock_sock *vsk)