drm/amdgpu: fix dereference null return value for the function amdgpu_vm_pt_parent

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[ Upstream commit 511a623fb4 ]

The pointer parent may be NULLed by the function amdgpu_vm_pt_parent.
To make the code more robust, check the pointer parent.

Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Jesse Zhang 2024-05-23 17:14:45 +08:00 • committed by Greg Kroah-Hartman

parent 82f20194bf

commit 3cc03d1dbd

1 changed files with 5 additions and 1 deletions

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

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