core: __port_read/write: report NULL block

Signed-off-by: Markus Klotzbuecher <mk@mkio.de>
kmarkus · Apr 19, 2020 · 4ae9566 · 4ae9566
1 parent 122a19c
commit 4ae9566
Showing 1 changed file with 10 additions and 2 deletions.
diff --git a/libubx/ubx.c b/libubx/ubx.c
@@ -2335,7 +2335,12 @@ long __port_read(const ubx_port_t *port, ubx_data_t *data)
 	int ret = 0;
 	ubx_block_t **iaptr;
 
-	if (!port) {
+	if (port == NULL) {
+		if (port->block != NULL)
+			ubx_err(port->block, "%s: port is NULL", __func__);
+		else
+			ERR("port NULL");
+
 		ret = EINVALID_PORT;
 		goto out;
 	}
@@ -2397,7 +2402,10 @@ void __port_write(const ubx_port_t *port, const ubx_data_t *data)
 	ubx_block_t **iaptr;
 
 	if (port == NULL) {
-		ERR("port null");
+		if (port->block != NULL)
+			ubx_err(port->block, "%s: port is NULL", __func__);
+		else
+			ERR("port NULL");
 		goto out;
 	}