Re: [PATCH] drm/amdgpu: fix null pointer for bo unmap trace function

[Christian König]

Am 11.05.2018 um 11:30 schrieb Junwei Zhang:

Signed-off-by: Junwei Zhang 


Reviewed-by: Christian König 


---
  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 532263a..e96e26d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -275,7 +275,7 @@
 ),
  
  	TP_fast_assign(

-  __entry->bo = bo_va->base.bo;
+  __entry->bo = bo_va ? bo_va->base.bo : NULL;
   __entry->start = mapping->start;
   __entry->last = mapping->last;
   __entry->offset = mapping->offset;


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[PATCH] drm/amdgpu: fix null pointer for bo unmap trace function

[Junwei Zhang]

Signed-off-by: Junwei Zhang 
---
 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 532263a..e96e26d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -275,7 +275,7 @@
 ),
 
TP_fast_assign(
-  __entry->bo = bo_va->base.bo;
+  __entry->bo = bo_va ? bo_va->base.bo : NULL;
   __entry->start = mapping->start;
   __entry->last = mapping->last;
   __entry->offset = mapping->offset;
-- 
1.9.1

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