[PATCH] drm/amdgpu: fix trace error for amdgpu_vm_bo_unmap

[Junwei Zhang]

Signed-off-by: Junwei Zhang <Jerry.Zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
index f38e5e2..8676eff 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -249,7 +249,7 @@
 			     ),
 
 	    TP_fast_assign(
-			   __entry->bo = bo_va->bo;
+			   __entry->bo = bo_va ? bo_va->bo : NULL;
 			   __entry->start = mapping->it.start;
 			   __entry->last = mapping->it.last;
 			   __entry->offset = mapping->offset;
-- 
1.9.1