P4 to Git Change 2049240 by lmoriche@lmoriche_opencl_dev2 on 2019/12/20 13:54:17

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_platform.cpp#59 edit

hipamd/api/hip/hip_platform.cpp

@@ -569,6 +569,9 @@ extern "C" hipError_t hipLaunchKernel(const void *hostFunction,
                stream);
 
   int deviceId = ihipGetDevice();
+  if (deviceId == -1) {
+    HIP_RETURN(hipErrorNoDevice);
+  }
   hipFunction_t func = PlatformState::instance().getFunc(hostFunction, deviceId);
   if (func == nullptr) {
     HIP_RETURN(hipErrorInvalidDeviceFunction);