P4 to Git Change 1596023 by skudchad@skudchad_test2_win_opencl on 2018/08/20 18:40:38

SWDEV-145570 - [HIP] Fixes to HIP env var logic

	ReviewBoardURL = http://ocltc.amd.com/reviews/r/15653/diff/

Affected files ...

... //depot/stg/opencl/drivers/opencl/api/hip/hip_device.cpp#16 edit
... //depot/stg/opencl/drivers/opencl/api/hip/hip_internal.hpp#15 edit
... //depot/stg/opencl/drivers/opencl/api/hip/hip_platform.cpp#18 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/device.cpp#225 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/device.hpp#311 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/pal/paldevice.cpp#105 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocdevice.cpp#96 edit

hipamd/api/hip/hip_platform.cpp

@@ -59,6 +59,9 @@ extern "C" hipModule_t __hipRegisterFatBinary(const void* data)
 {
   HIP_INIT();
 
+  if(g_devices.empty()) {
+    return nullptr;
+  }
   const __CudaFatBinaryWrapper* fbwrapper = reinterpret_cast<const __CudaFatBinaryWrapper*>(data);
   if (fbwrapper->magic != __hipFatMAGIC2 || fbwrapper->version != 1) {
     return nullptr;