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node: check links list in get_free_port()

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When searching for an unused port, look for an empty links list.
This commit is contained in:
David Svensson Fors 2016-11-11 13:57:46 +01:00 • committed by Wim Taymans
parent 046c2b1cae
commit 497febf2f1
1 changed files with 9 additions and 9 deletions
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14
pinos/server/node.c
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@ -602,7 +602,7 @@ PinosPort *
pinos_node_get_free_port (PinosNode *node, pinos_node_get_free_port (PinosNode *node,
PinosDirection direction) PinosDirection direction)
{ {
unsigned int free_port, n_ports, max_ports; unsigned int n_ports, max_ports;
SpaList *ports; SpaList *ports;
PinosPort *port = NULL, *p; PinosPort *port = NULL, *p;
@ -615,22 +615,22 @@ pinos_node_get_free_port (PinosNode *node,
n_ports = node->transport->area->n_outputs; n_ports = node->transport->area->n_outputs;
ports = &node->output_ports; ports = &node->output_ports;
} }
free_port = 0;
pinos_log_debug ("node %p: direction %d max %u, n %u, free_port %u", node, direction, max_ports, n_ports, free_port); pinos_log_debug ("node %p: direction %d max %u, n %u", node, direction, max_ports, n_ports);
spa_list_for_each (p, ports, link) { spa_list_for_each (p, ports, link) {
if (free_port < p->port_id) { if (spa_list_is_empty (&p->links)) {
port = p; port = p;
break; break;
} }
free_port = p->port_id + 1;
} }
if (free_port >= max_ports && !spa_list_is_empty (ports)) { if (port == NULL) {
if (!spa_list_is_empty (ports))
port = spa_list_first (ports, PinosPort, link); port = spa_list_first (ports, PinosPort, link);
} else else
return NULL; return NULL;
}
return port; return port;