tests/prime_udl: proper return values

... especially skip properly if there's no udl device.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/tests/prime_udl.c b/tests/prime_udl.c
index c79d7f2..97aeee0 100644 (file)
--- a/tests/prime_udl.c
+++ b/tests/prime_udl.c
@@ -156,7 +156,7 @@ int main(int argc, char **argv)
 
        if (udl_fd == -1 && intel_fd == -1) {
                fprintf(stderr,"failed to find intel and udl GPU\n");
-               return -1;
+               return 77;
        }
 
        /* set up intel bufmgr */
@@ -169,8 +169,10 @@ int main(int argc, char **argv)
 
        /* create an object on the i915 */
        ret = test1();
-       if (ret)
+       if (ret) {
                fprintf(stderr,"prime_test: failed test 1\n");
+               return -1;
+       }
 
        ret = test2();
        if (ret)