From: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-pra...@amd.com>
[ Upstream commit 6fb15dcbcf4f212930350eaee174bb60ed40a536 ]
The call to radeon_vm_clear_freed might clear bo_va->bo, so
we have to check it before dereferencing it.
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-pra...@amd.com>
Acked-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
drivers/gpu/drm/radeon/radeon_gem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c
b/drivers/gpu/drm/radeon/radeon_gem.c
index 75d79c3110389..3388a3d21d2c0 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -657,7 +657,7 @@ static void radeon_gem_va_update_vm(struct radeon_device
*rdev,
if (r)
goto error_unlock;
- if (bo_va->it.start)
+ if (bo_va->it.start && bo_va->bo)
r = radeon_vm_bo_update(rdev, bo_va, bo_va->bo->tbo.resource);
error_unlock:
--
2.43.0
