drm/amdgpu: add check to avoid array bound issue

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Sub_block_index can be passed from user level, so
add one check before accessing the array first to
prevent array index out of bound problem.

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Guchun Chen 2019-08-08 14:54:41 +08:00 • committed by Alex Deucher

parent 3c0b547da0

commit a2b459947b

1 changed files with 3 additions and 0 deletions

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drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

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