From: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Date: Mon, 24 Apr 2017 19:59:20 +0000 (-0400)
Subject: Fix: assert() on null index_file in lttng_index_file_write()
X-Git-Tag: v2.9.5~18
X-Git-Url: http://git.liburcu.org/?p=lttng-tools.git;a=commitdiff_plain;h=511a182e8280dab5713d4413192a5177f4b91eb1

Fix: assert() on null index_file in lttng_index_file_write()

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/src/common/index/index.c b/src/common/index/index.c
index b481badb1..c94ec701c 100644
--- a/src/common/index/index.c
+++ b/src/common/index/index.c
@@ -128,12 +128,16 @@ error:
 int lttng_index_file_write(const struct lttng_index_file *index_file,
 		const struct ctf_packet_index *element)
 {
+	int fd;
+	size_t len;
 	ssize_t ret;
-	int fd = index_file->fd;
-	size_t len = index_file->element_len;
 
+	assert(index_file);
 	assert(element);
 
+	fd = index_file->fd;
+	len = index_file->element_len;
+
 	if (fd < 0) {
 		goto error;
 	}