From: Julien Desfossez <jdesfossez@efficios.com>
Date: Fri, 7 Feb 2014 16:12:58 +0000 (-0500)
Subject: Fix: import index containing only a header
X-Git-Tag: v1.2.0-rc1~14
X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=commitdiff_plain;h=dae407df004b28e360bd9fb52590063652b29811

Fix: import index containing only a header

If the index file is present, we have to make sure we imported at least
one index before using the stream_class.

Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/formats/ctf/ctf.c b/formats/ctf/ctf.c
index 122b708f..afc2aefa 100644
--- a/formats/ctf/ctf.c
+++ b/formats/ctf/ctf.c
@@ -1886,6 +1886,12 @@ int import_stream_packet_index(struct ctf_trace *td,
 		g_array_append_val(file_stream->pos.packet_cycles_index, index);
 	}
 
+	/* Index containing only the header. */
+	if (!file_stream->parent.stream_class) {
+		ret = -1;
+		goto error;
+	}
+
 	ret = 0;
 
 error: