res_rtp_asterisk: fix wrong counter management in ioqueue objects

In function  rtp_ioqueue_thread_remove counter in ioqueue object is not decreased
which prevents unused ICE TURN threads from being removed.

Resolves: #301

diff --git a/res/res_rtp_asterisk.c b/res/res_rtp_asterisk.c
index a528ccb777c1049cbd75e4e28300815c61ca5dc6..e9072805435db601fe9c81188bb820e4d2480c7a 100644 (file)
--- a/res/res_rtp_asterisk.c
+++ b/res/res_rtp_asterisk.c
@@ -1552,7 +1552,7 @@ static void rtp_ioqueue_thread_remove(struct ast_rtp_ioqueue_thread *ioqueue)
 
        /* If nothing is using this ioqueue thread destroy it */
        AST_LIST_LOCK(&ioqueues);
-       if ((ioqueue->count - 2) == 0) {
+       if ((ioqueue->count -= 2) == 0) {
                destroy = 1;
                AST_LIST_REMOVE(&ioqueues, ioqueue, next);
        }