fix(stream): fix memory leak.

source/libs/stream/src/streamDispatch.c

@@ -421,12 +421,10 @@ int32_t streamDispatchAllBlocks(SStreamTask* pTask, const SStreamDataBlock* pDat
     qDebug("s-task:%s (child taskId:%d) fix-dispatch blocks:%d to down stream s-task:%d in vgId:%d", pTask->id.idStr,
            pTask->selfChildId, numOfBlocks, downstreamTaskId, vgId);
 
-    if (doSendDispatchMsg(pTask, &req, vgId, pEpSet) < 0) {
+    code = doSendDispatchMsg(pTask, &req, vgId, pEpSet);
     taosArrayDestroyP(req.data, taosMemoryFree);
     taosArrayDestroy(req.dataLen);
     return code;
-    }
-
   } else if (pTask->outputType == TASK_OUTPUT__SHUFFLE_DISPATCH) {
     int32_t rspCnt = atomic_load_32(&pTask->shuffleDispatcher.waitingRspCnt);
     ASSERT(rspCnt == 0);