From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 9 Aug 2017 10:30:46 +0000 (+0300)
Subject: drm/amdgpu: Uninitialized variable in amdgpu_ttm_backend_bind()
X-Git-Tag: v5.15~10394^2~28^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2ce3f5dcdf2787e2bd777ddc3eaefd370dc6c050;p=platform%2Fkernel%2Flinux-starfive.git

drm/amdgpu: Uninitialized variable in amdgpu_ttm_backend_bind()

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>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 1a3ea93..c803b082 100644
--- 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(struct ttm_tt *ttm,
 				   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);