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: e498eb71 ("drm/amd/display: Add support for hw_state logging via debugfs") CC: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Nkbuild test robot <fengguang.wu@intel.com> Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
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