Fix: test_kernel_data dereference of null pointer

Skip tests when tested struct is null.

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

diff --git a/tests/unit/test_kernel_data.c b/tests/unit/test_kernel_data.c
index 5bca684a513d16bbc4b740dc061e2dca4b4cbc34..6a35ea54a602489df1d35df9995a6f6cad5f8a14 100644 (file)
--- a/tests/unit/test_kernel_data.c
+++ b/tests/unit/test_kernel_data.c
@@ -72,6 +72,10 @@ static void test_create_one_kernel_session(void)
        kern = trace_kernel_create_session();
        ok(kern != NULL, "Create kernel session");
 
+       if (!kern) {
+               skip(1, "Kernel session is null");
+               return;
+       }
        ok(kern->fd == -1 &&
           kern->metadata_stream_fd == -1 &&
           kern->consumer_fds_sent == 0 &&
@@ -117,6 +121,11 @@ static void test_create_kernel_channel(void)
        chan = trace_kernel_create_channel(&attr);
        ok(chan != NULL, "Create kernel channel");
 
+       if (!chan) {
+               skip(1, "Channel is null");
+               return;
+       }
+
        ok(chan->fd == -1 &&
           chan->enabled == 1 &&
           chan->stream_count == 0 &&
@@ -143,6 +152,11 @@ static void test_create_kernel_event(void)
        event = trace_kernel_create_event(&ev, NULL, NULL);
        ok(event != NULL, "Create kernel event");
 
+       if (!event) {
+               skip(1, "Event is null");
+               return;
+       }
+
        ok(event->fd == -1 &&
           event->enabled == 1 &&
           event->event->instrumentation == LTTNG_KERNEL_TRACEPOINT &&
@@ -161,6 +175,11 @@ static void test_create_kernel_stream(void)
        stream = trace_kernel_create_stream("stream1", 0);
        ok(stream != NULL, "Create kernel stream");
 
+       if (!stream) {
+               skip(1, "Stream is null");
+               return;
+       }
+
        ok(stream->fd == -1 &&
           stream->state == 0,
           "Validate kernel stream");