drm/amdgpu: fix use after free during BO move

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The memory backing old_mem is already freed at that point, move the
check a bit more up.

Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: bfa3357ef9 ("drm/ttm: allocate resource object instead of embedding it v2")
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1699
Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

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Christian König 2021-09-07 09:37:52 +02:00 • committed by Alex Deucher

parent 5598d7c21a

commit c92db8d64f

1 changed files with 9 additions and 9 deletions

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18

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

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