SWDEV-455869 - hip and hsa runtime cannot detect uninitialized pointer

Change-Id: I93459f5d8b7dd4ed7aecf84703ba9aa796777038

catch/unit/memory/hipMemPrefetchAsyncExtTsts.cc

@@ -233,18 +233,11 @@ TEST_CASE("Unit_hipMemPrefetchAsyncNegativeTst") {
     hipStream_t strm;
     HIP_CHECK(hipStreamCreate(&strm));
     SECTION("Passing null for dev ptr") {
-      int *Ptr;
       err = hipMemPrefetchAsync(NULL, MemSz, 0, strm);
       if (err == hipSuccess) {
         WARN("hipMemPrefetchAsync() gives hipSuccess when NULL is passed!!");
         IfTestPassed = false;
       }
-      err = hipMemPrefetchAsync(Ptr, MemSz, 0, strm);
-      if (err == hipSuccess) {
-        WARN("hipMemPrefetchAsync() gives hipSuccess when uninitialized"
-             " pointer is passed!!");
-        IfTestPassed = false;
-      }
     }
 
     SECTION("Passing unusual count size(2nd param)") {