From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 9 Aug 2017 13:30:46 +0300
Subject: drm/amdgpu: Uninitialized variable in amdgpu_ttm_backend_bind()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: 2ce3f5dcdf2787e2bd777ddc3eaefd370dc6c050
Patch-mainline: v4.14-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
My static checker complains that it's possible for "r" to be
uninitialized. It used to be set to zero so this returns it to the old
behavior.
Fixes: 98a7f88ce9a9 ("drm/amdgpu: bind BOs with GTT space allocated directly v2")
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -753,7 +753,7 @@ static int amdgpu_ttm_backend_bind(struc
struct ttm_mem_reg *bo_mem)
{
struct amdgpu_ttm_tt *gtt = (void*)ttm;
- int r;
+ int r = 0;
if (gtt->userptr) {
r = amdgpu_ttm_tt_pin_userptr(ttm);