From: kbuild test robot fengguang.wu@intel.com

drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:771:1-3: WARNING: PTR_ERR_OR_ZERO can be used

Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: e498eb713604 ("drm/amd/display: Add support for hw_state logging via debugfs") CC: Nicholas Kazlauskas nicholas.kazlauskas@amd.com Signed-off-by: kbuild test robot fengguang.wu@intel.com ---

tree: git://people.freedesktop.org/~agd5f/linux.git drm-next-4.20-wip head: bdb1922abd620d24715906bac4d119274d98f4c9 commit: e498eb7136042aa9a352b1039c678537f4694158 [220/235] drm/amd/display: Add support for hw_state logging via debugfs

amdgpu_dm_debugfs.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -768,8 +768,5 @@ int dtn_debugfs_init(struct amdgpu_devic adev, &dtn_log_fops);

- if (IS_ERR(ent)) - return PTR_ERR(ent); - - return 0; + return PTR_ERR_OR_ZERO(ent); }