8 files changed, 18 insertions, 18 deletions
diff --git a/src/sp/transport.h b/src/sp/transport.h
index 1c9f930b..733388e8 100644
--- a/src/sp/transport.h
+++ b/src/sp/transport.h
@@ -92,7 +92,7 @@ struct nni_sp_listener_ops {
 	// address, or NNG_EACCESS for permission problems. The transport
 	// should update the url if it has changed (e.g. due to converting
 	// from port 0 to a real port.)
-	int (*l_bind)(void *, nng_url *);
+	nng_err (*l_bind)(void *, nng_url *);
 
 	// l_accept accepts an inbound connection.
 	void (*l_accept)(void *, nni_aio *);
diff --git a/src/sp/transport/inproc/inproc.c b/src/sp/transport/inproc/inproc.c
index 1c7b88e6..8c662ca3 100644
--- a/src/sp/transport/inproc/inproc.c
+++ b/src/sp/transport/inproc/inproc.c
@@ -483,7 +483,7 @@ inproc_ep_connect(void *arg, nni_aio *aio)
 	nni_mtx_unlock(&nni_inproc.mx);
 }
 
-static int
+static nng_err
 inproc_ep_bind(void *arg, nng_url *url)
 {
 	inproc_ep *ep = arg;
@@ -500,7 +500,7 @@ inproc_ep_bind(void *arg, nng_url *url)
 	}
 	nni_list_append(list, ep);
 	nni_mtx_unlock(&nni_inproc.mx);
-	return (0);
+	return (NNG_OK);
 }
 
 static void
diff --git a/src/sp/transport/ipc/ipc.c b/src/sp/transport/ipc/ipc.c
index 82ec3f7e..0163767b 100644
--- a/src/sp/transport/ipc/ipc.c
+++ b/src/sp/transport/ipc/ipc.c
@@ -902,11 +902,11 @@ ipc_ep_set_recv_max_sz(void *arg, const void *v, size_t sz, nni_type t)
 	return (rv);
 }
 
-static int
+static nng_err
 ipc_ep_bind(void *arg, nng_url *url)
 {
 	ipc_ep *ep = arg;
-	int     rv;
+	nng_err rv;
 	NNI_ARG_UNUSED(url);
 
 	nni_mtx_lock(&ep->mtx);
diff --git a/src/sp/transport/socket/sockfd.c b/src/sp/transport/socket/sockfd.c
index 5138afaa..e7b25d8b 100644
--- a/src/sp/transport/socket/sockfd.c
+++ b/src/sp/transport/socket/sockfd.c
@@ -768,7 +768,7 @@ sfd_tran_ep_set_recvmaxsz(void *arg, const void *v, size_t sz, nni_opt_type t)
 	return (rv);
 }
 
-static int
+static nng_err
 sfd_tran_ep_bind(void *arg, nng_url *url)
 {
 	sfd_tran_ep *ep = arg;
diff --git a/src/sp/transport/tcp/tcp.c b/src/sp/transport/tcp/tcp.c
index 3bc124ee..6bcbca9e 100644
--- a/src/sp/transport/tcp/tcp.c
+++ b/src/sp/transport/tcp/tcp.c
@@ -913,15 +913,15 @@ tcptran_ep_set_recvmaxsz(void *arg, const void *v, size_t sz, nni_opt_type t)
 	return (rv);
 }
 
-static int
+static nng_err
 tcptran_ep_bind(void *arg, nng_url *url)
 {
 	tcptran_ep *ep = arg;
-	int         rv;
+	nng_err     rv;
 
 	nni_mtx_lock(&ep->mtx);
 	rv = nng_stream_listener_listen(ep->listener);
-	if (rv == 0) {
+	if (rv == NNG_OK) {
 		int port;
 		nng_stream_listener_get_int(
 		    ep->listener, NNG_OPT_TCP_BOUND_PORT, &port);
diff --git a/src/sp/transport/tls/tls.c b/src/sp/transport/tls/tls.c
index 643146f7..5d2e6d9e 100644
--- a/src/sp/transport/tls/tls.c
+++ b/src/sp/transport/tls/tls.c
@@ -853,15 +853,15 @@ tlstran_ep_connect(void *arg, nni_aio *aio)
 	nni_mtx_unlock(&ep->mtx);
 }
 
-static int
+static nng_err
 tlstran_ep_bind(void *arg, nng_url *url)
 {
 	tlstran_ep *ep = arg;
-	int         rv;
+	nng_err     rv;
 
 	nni_mtx_lock(&ep->mtx);
 	rv = nng_stream_listener_listen(ep->listener);
-	if (rv == 0) {
+	if (rv == NNG_OK) {
 		int port;
 		nng_stream_listener_get_int(
 		    ep->listener, NNG_OPT_TCP_BOUND_PORT, &port);
diff --git a/src/sp/transport/udp/udp.c b/src/sp/transport/udp/udp.c
index 2e85fd0f..43fbabe1 100644
--- a/src/sp/transport/udp/udp.c
+++ b/src/sp/transport/udp/udp.c
@@ -1709,11 +1709,11 @@ udp_ep_start(udp_ep *ep)
 	udp_start_rx(ep);
 }
 
-static int
+static nng_err
 udp_ep_bind(void *arg, nng_url *url)
 {
 	udp_ep *ep = arg;
-	int     rv;
+	nng_err rv;
 
 	nni_mtx_lock(&ep->mtx);
 	if (ep->started) {
@@ -1722,7 +1722,7 @@ udp_ep_bind(void *arg, nng_url *url)
 	}
 
 	rv = nni_udp_open(&ep->udp, &ep->self_sa);
-	if (rv != 0) {
+	if (rv != NNG_OK) {
 		nni_mtx_unlock(&ep->mtx);
 		return (rv);
 	}
diff --git a/src/sp/transport/ws/websocket.c b/src/sp/transport/ws/websocket.c
index f93b1f49..df157e02 100644
--- a/src/sp/transport/ws/websocket.c
+++ b/src/sp/transport/ws/websocket.c
@@ -225,13 +225,13 @@ wstran_pipe_peer(void *arg)
 	return (p->peer);
 }
 
-static int
+static nng_err
 wstran_listener_bind(void *arg, nng_url *url)
 {
 	ws_listener *l = arg;
-	int          rv;
+	nng_err      rv;
 
-	if ((rv = nng_stream_listener_listen(l->listener)) == 0) {
+	if ((rv = nng_stream_listener_listen(l->listener)) == NNG_OK) {
 		int port;
 		nng_stream_listener_get_int(
 		    l->listener, NNG_OPT_TCP_BOUND_PORT, &port);