event/dsw: free rings on close

[ upstream commit 61e4cd6d0ad118c6f4d2724a840b651af9e9ec98 ]

The per-port data and control rings were not freed when the event
device was closed.

Fixes: 1c8e3ca ("event/dsw: add event scheduling and device start/stop")

Signed-off-by: Mattias Rönnblom <mattias.ronnblom@ericsson.com>

drivers/event/dsw/dsw_evdev.c

@@ -363,6 +363,10 @@ static int
 dsw_close(struct rte_eventdev *dev)
 {
 	struct dsw_evdev *dsw = dsw_pmd_priv(dev);
+	uint16_t port_id;
+
+	for (port_id = 0; port_id < dsw->num_ports; port_id++)
+		dsw_port_release(&dsw->ports[port_id]);
 
 	dsw->num_ports = 0;
 	dsw->num_queues = 0;