6cc30748e1
PRT BOs may not have any backing store, so bo->tbo.resource will be
NULL. Check for that before dereferencing.
Fixes: 0cce5f285d9a ("drm/amdkfd: Check correct memory types for is_system variable")
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Natalie Vock <natalie.vock@gmx.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 3e3fcd29b505cebed659311337ea03b7698767fc)
Cc: stable@vger.kernel.org # 6.12.x
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