diff --git a/channels/chan_local.c b/channels/chan_local.c index ae55aaff93f08ab5dd6bc2dd92d8ad1ed76da429..f03f1331b8b8d258e558aa1363719d2c2a029037 100644 --- a/channels/chan_local.c +++ b/channels/chan_local.c @@ -179,24 +179,22 @@ static int local_queue_frame(struct local_pvt *p, int isoutbound, struct ast_fra return 0; } - ast_mutex_unlock(&p->lock); - /* Ensure that we have both channels locked */ - if (us) { - while (ast_channel_trylock(other)) { + while (other && ast_channel_trylock(other)) { + ast_mutex_unlock(&p->lock); + if (us) ast_channel_unlock(us); - usleep(1); + usleep(1); + if (us) ast_channel_lock(us); - } - } else { - ast_channel_lock(other); + ast_mutex_lock(&p->lock); + other = isoutbound ? p->owner : p->chan; } - ast_queue_frame(other, f); - - ast_channel_unlock(other); - - ast_mutex_lock(&p->lock); + if (other) { + ast_queue_frame(other, f); + ast_channel_unlock(other); + } ast_clear_flag(p, LOCAL_GLARE_DETECT);