return NULL

diff --git a/tests/test_threaded_calls.c b/tests/test_threaded_calls.c
index 19403d38aa4a290937100776c857b2e93f53cd14..0ed1c748f33c37acbbcf1707199a63e86940dd3d 100644 (file)
--- a/tests/test_threaded_calls.c
+++ b/tests/test_threaded_calls.c
@@ -40,7 +40,7 @@ void *start_thread(void *arg)
 {
        if(!yk_init()) {
                printf("failed to init usb..\n");
-               return;
+               return NULL;
        }
        YK_STATUS *st = ykds_alloc();
        YK_KEY *yk = 0;