P4 to Git Change 2047424 by lmoriche@lmoriche_opencl_dev2 on 2019/12/17 20:13:01

SWDEV-216705 - [hipclang-vdi-rocm][FBA-80]Test crash when all GPUs are hidden by ROCR_VISIBLE_DEVICES

	Return an error instead of dereferencing a null pointer. This should address the issue described
	in the ticket, but more places need fixing in the runtime to avoid crashes for corner cases.

Affected files ...

... //depot/stg/opencl/drivers/opencl/api/hip/hip_context.cpp#26 edit
... //depot/stg/opencl/drivers/opencl/api/hip/hip_device_runtime.cpp#23 edit
... //depot/stg/opencl/drivers/opencl/api/hip/hip_memory.cpp#92 edit
... //depot/stg/opencl/drivers/opencl/api/hip/hip_platform.cpp#58 edit


[ROCm/clr commit: 8d32b426dd]

projects/clr/hipamd/api/hip/hip_context.cpp

@@ -106,7 +106,8 @@ amd::HostQueue* getNullStream(amd::Context& context) {
 }
 
 amd::HostQueue* getNullStream() {
-  return getNullStream(*getCurrentContext());
+  amd::Context* context = getCurrentContext();
+  return context ? getNullStream(*context) : nullptr;
 }
 
 };