SWDEV-315736: event_out param correct nullptr check

Signed-off-by: sdashmiz <shadi.dashmiz@amd.com>
Change-Id: Id164bc47c928e9c4541b29a0c9128e41e313ed22

hipamd/src/hip_graph.cpp

@@ -1651,7 +1651,7 @@ hipError_t hipGraphAddEventWaitNode(hipGraphNode_t* pGraphNode, hipGraph_t graph
 
 hipError_t hipGraphEventWaitNodeGetEvent(hipGraphNode_t node, hipEvent_t* event_out) {
   HIP_INIT_API(hipGraphEventWaitNodeGetEvent, node, event_out);
-  if (node == nullptr || *event_out == nullptr) {
+  if (node == nullptr || event_out == nullptr) {
     HIP_RETURN(hipErrorInvalidValue);
   }
   reinterpret_cast<hipGraphEventWaitNode*>(node)->GetParams(event_out);