audiohook: Unlock channel in mute if no audiohooks present.

In the case where mute was called on a channel that had no
audiohooks the code was not unlocking the channel, resulting
in a deadlock.

Resolves: #233

diff --git a/main/audiohook.c b/main/audiohook.c
index 321a94d52c363ca883aab2851466a9a090364295..59b2f47b24554d5e7677b062b2863f3659c7bf6b 100644 (file)
--- a/main/audiohook.c
+++ b/main/audiohook.c
@@ -1385,6 +1385,7 @@ int ast_audiohook_set_mute_all(struct ast_channel *chan, const char *source, enu
        ast_channel_lock(chan);
 
        if (!ast_channel_audiohooks(chan)) {
+               ast_channel_unlock(chan);
                return -1;
        }