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drm/radeon: check bo_va->bo is non-NULL before using it

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[ Upstream commit 6fb15dcbcf ]

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-prayer@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Pierre-Eric Pelloux-Prayer 2024-06-25 14:31:34 +02:00 committed by Greg Kroah-Hartman
parent 607731f315
commit f13c96e0e3
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/radeon/radeon_gem.c
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@ -641,7 +641,7 @@ 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: