[PATCH] drm/amdgpu: fix unnecessary NULL check warnings

[Tian Tao]

Remove NULL checks before vfree() to fix these warnings:
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:102:2-8: WARNING: NULL
check before some freeing functions is not needed.

Signed-off-by: Tian Tao <tiantao6 at hisilicon.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 594a010..3e240b9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -98,8 +98,7 @@ static int amdgpu_cs_bo_handles_chunk(struct amdgpu_cs_parser *p,
 	return 0;
 
 error_free:
-	if (info)
-		kvfree(info);
+	kvfree(info);
 
 	return r;
 }
-- 
2.7.4