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drm/amd/amdgpu: Check tbo resource pointer

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[ Upstream commit 6cd2b872643bb29bba01a8ac739138db7bd79007 ]

Validate tbo resource pointer, skip if NULL

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Asad Kamal
2024-04-26 02:26:55 +08:00
committed by Greg Kroah-Hartman
parent 3300a039ca
commit 2be1eb6304
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -4560,7 +4560,8 @@ static int amdgpu_device_recover_vram(struct amdgpu_device *adev)
shadow = vmbo->shadow; shadow = vmbo->shadow;
/* No need to recover an evicted BO */ /* No need to recover an evicted BO */
if (shadow->tbo.resource->mem_type != TTM_PL_TT || if (!shadow->tbo.resource ||
shadow->tbo.resource->mem_type != TTM_PL_TT ||
shadow->tbo.resource->start == AMDGPU_BO_INVALID_OFFSET || shadow->tbo.resource->start == AMDGPU_BO_INVALID_OFFSET ||
shadow->parent->tbo.resource->mem_type != TTM_PL_VRAM) shadow->parent->tbo.resource->mem_type != TTM_PL_VRAM)
continue; continue;