SWDEV-317494 - Graph - allowing empty params

hipHostNodeParams should work without any parameters for the userData

Change-Id: Iee32c3ba87000e29ed037ee507f7da9ea54988a3

hipamd/src/hip_graph.cpp

@@ -1685,12 +1685,10 @@ hipError_t hipGraphAddHostNode(hipGraphNode_t* pGraphNode, hipGraph_t graph,
                                const hipHostNodeParams* pNodeParams) {
   HIP_INIT_API(hipGraphAddHostNode, pGraphNode, graph, pDependencies, numDependencies, pNodeParams);
   if (pGraphNode == nullptr || graph == nullptr || pNodeParams == nullptr ||
-      (numDependencies > 0 && pDependencies == nullptr)) {
-    HIP_RETURN(hipErrorInvalidValue);
-  }
-  if (pNodeParams->fn == nullptr || pNodeParams->userData == nullptr) {
+      (numDependencies > 0 && pDependencies == nullptr) || pNodeParams->fn == nullptr) {
     HIP_RETURN(hipErrorInvalidValue);
   }
+
   *pGraphNode = new hipGraphHostNode(pNodeParams);
   hipError_t status = ihipGraphAddNode(*pGraphNode, graph, pDependencies, numDependencies);
   HIP_RETURN(status);