From: Julien Desfossez <julien.desfossez@efficios.com>
Date: Fri, 17 Feb 2012 16:40:47 +0000 (-0500)
Subject: Fix : callback chain len
X-Git-Tag: v1.0.0-pre1~20
X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=commitdiff_plain;h=a91196c6090400af49d7dfc89aca7bbe09140631;ds=sidebyside

Fix : callback chain len

Wrong check caused a segmentation fault when checking for a callback at
the end of the callback chain.

Signed-off-by: Julien Desfossez <julien.desfossez@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/lib/callbacks.c b/lib/callbacks.c
index 591f5109..0dfb19c2 100644
--- a/lib/callbacks.c
+++ b/lib/callbacks.c
@@ -205,7 +205,7 @@ void process_callbacks(struct bt_iter *iter,
 	if (!bt_stream_cb || !bt_stream_cb->per_id_callbacks)
 		goto end;
 
-	if (stream->event_id > bt_stream_cb->per_id_callbacks->len)
+	if (stream->event_id >= bt_stream_cb->per_id_callbacks->len)
 		goto end;
 	bt_chain = &g_array_index(bt_stream_cb->per_id_callbacks,
 			struct bt_callback_chain, stream->event_id);