[PATCH] drm/amd: fix warning PTR_ERR_OR_ZERO can be used

[Hariprasad Kelam]

fix below warnings reported by coccicheck

./drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c:1057:1-3:
WARNING: PTR_ERR_OR_ZERO can be used

Signed-off-by: Hariprasad Kelam <hariprasad.ke...@gmail.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index 1d5fc5a..1b1ec12 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -1054,8 +1054,6 @@ int dtn_debugfs_init(struct amdgpu_device *adev)
 
        ent = debugfs_create_file_unsafe("amdgpu_dm_visual_confirm", 0644, root,
                                         adev, &visual_confirm_fops);
-       if (IS_ERR(ent))
-               return PTR_ERR(ent);
 
-       return 0;
+       return PTR_ERR_OR_ZERO(ent);
 }
-- 
2.7.4