From: kbuild test robot <fengguang.wu@xxxxxxxxx>
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@xxxxxxx>
Signed-off-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
---
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);
}
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