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 b481badb1d6556e2f6f1807264d33e81e6be41b2..c94ec701c869f2df3bf61e2845409d3c46697131 100644 (file)
--- 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;
        }