[PATCH] drm/amdgpu: fix unsigned error codes

[Lang Yu]

Fixes: 77b13b916728 ("drm/amdgpu: add selftest framework for UMSCH")

Signed-off-by: Lang Yu <Lang.Yu at amd.com>
Reported-by: Dan Carpenter <dan.carpenter at linaro.org>
Link: https://lore.kernel.org/all/ZPhddADtKmOuVyDq@lang-desktop
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
index 284643e1efeb..9da80b54d63e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
@@ -335,11 +335,10 @@ static int setup_umsch_mm_test(struct amdgpu_device *adev,
 	if (r)
 		goto error_free_vm;
 
-	test->pasid = amdgpu_pasid_alloc(16);
-	if (test->pasid < 0) {
-		r = test->pasid;
+	r = amdgpu_pasid_alloc(16);
+	if (r < 0)
 		goto error_fini_vm;
-	}
+	test->pasid = r;
 
 	r = amdgpu_bo_create_kernel(adev, sizeof(struct umsch_mm_test_ctx_data),
 				    PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT,
-- 
2.25.1