[PATCH] drm/amd/amdgpu: Check tbo resource pointer
Asad Kamal
asad.kamal at amd.com
Thu May 2 13:31:16 UTC 2024
Validate tbo resource pointer, skip if NULL
Signed-off-by: Asad Kamal <asad.kamal at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 7a6e3d13a454..77f6fd50002a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -5012,7 +5012,8 @@ static int amdgpu_device_recover_vram(struct amdgpu_device *adev)
shadow = vmbo->shadow;
/* 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->parent->tbo.resource->mem_type != TTM_PL_VRAM)
continue;
--
2.42.0
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