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drm/amd/display: fix ptr_ret.cocci warnings 

drivers/gpu/drm/amd/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: e498eb7136 ("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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
kbuild test robot 2018-09-12 08:59:07 +08:00 committed by Alex Deucher
parent a94d5569b2
commit 8901a65f08
1 changed files with 1 additions and 4 deletions
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5
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
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@ -801,8 +801,5 @@ int dtn_debugfs_init(struct amdgpu_device *adev)
adev,
&dtn_log_fops);
if (IS_ERR(ent))
return PTR_ERR(ent);
return 0;
return PTR_ERR_OR_ZERO(ent);
}