Add a missing unlock in the case that memory allocation fails in app_chanspy.

Thanks to Russell for confirming that this was an issue.



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@110083 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_chanspy.c

@@ -441,16 +441,15 @@ static struct chanspy_ds *setup_chanspy_ds(struct ast_channel *chan, struct chan
 
 	ast_mutex_lock(&chanspy_ds->lock);
 
-	chanspy_ds->chan = chan;
-
 	if (!(datastore = ast_channel_datastore_alloc(&chanspy_ds_info, NULL))) {
+		ast_mutex_unlock(&chanspy_ds->lock);
 		chanspy_ds = chanspy_ds_free(chanspy_ds);
 		ast_channel_unlock(chan);
 		return NULL;
 	}
-
+	
+	chanspy_ds->chan = chan;
 	datastore->data = chanspy_ds;
-
 	ast_channel_datastore_add(chan, datastore);
 
 	return chanspy_ds;