[PATCH] drm/selftests: missing error code in igt_buddy_alloc_smoke()

[Dan Carpenter]

Set the error code to -ENOMEM if drm_random_order() fails.

Fixes: e6ff5ef81170 ("drm/selftests: add drm buddy smoke testcase")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
 drivers/gpu/drm/selftests/test-drm_buddy.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/selftests/test-drm_buddy.c 
b/drivers/gpu/drm/selftests/test-drm_buddy.c
index fa997f89522b..6eba590afa9b 100644
--- a/drivers/gpu/drm/selftests/test-drm_buddy.c
+++ b/drivers/gpu/drm/selftests/test-drm_buddy.c
@@ -488,8 +488,10 @@ static int igt_buddy_alloc_smoke(void *arg)
        }
 
        order = drm_random_order(mm.max_order + 1, &prng);
-       if (!order)
+       if (!order) {
+               err = -ENOMEM;
                goto out_fini;
+       }
 
        for (i = 0; i <= mm.max_order; ++i) {
                struct drm_buddy_block *block;
-- 
2.20.1