drm/amd/display: fix crash/reboot while accessing sysfs files

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read/writes to aux_dpcd_* sysfs entries leads to system
reboot or hang.
Hence fix the handling of input data and reporting of errors
appropriately to the user space.

Signed-off-by: Shirish S <shirish.s@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Shirish S 2020-09-17 14:07:32 +05:30 • committed by Alex Deucher

parent 59d7115dae

commit 9de9a54aba

1 changed files with 5 additions and 5 deletions

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drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c

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