smartfog/fogflow: broker/thinBroker.go; 3 LoC

Found a possible issue in [smartfog/fogflow](https://www.github.com/smartfog/fogflow) at [broker/thinBroker.go](https://github.com/smartfog/fogflow/blob/ded2cd97539f2c66a82f4d4febf67e765c196cfa/broker/thinBroker.go#L521-L523)

Below is the message reported by the analyzer for this snippet of code. Beware that the analyzer only reports the first issue it finds, so please do not limit your consideration to the contents of the below message.

>

[Click here to see the code in its original context.](https://github.com/smartfog/fogflow/blob/ded2cd97539f2c66a82f4d4febf67e765c196cfa/broker/thinBroker.go#L521-L523)

Click here to show the 3 line(s) of Go which triggered the analyzer.

```go
for _, ctxElem := range updateCtxReq.ContextElements {
tb.UpdateContext2LocalSite(&ctxElem)
}

```

Click here to show extra information the analyzer produced.

```
No path was found through the callgraph that could lead to a function which writes a pointer argument.

No path was found through the callgraph that could lead to a function which passes a pointer to third-party code.

root signature {UpdateContext2LocalSite 1} was not found in the callgraph; reference was passed directly to third-party code
```

Leave a reaction on this issue to contribute to the project by classifying this instance as a **Bug** :-1:, **Mitigated** :+1:, or **Desirable Behavior** :rocket:
See the descriptions of the classifications [here](https://github.com/github-vet/rangeclosure-findings#how-can-i-help) for more information.

commit ID: ded2cd97539f2c66a82f4d4febf67e765c196cfa

Start at broker/thinBroker.go lines 521-523 and inspect UpdateContext2LocalSite, along with the surrounding handling of updateCtxReq.ContextElements. Trace whether the range-loop variable reference can cause incorrect behavior, then classify the finding as Bug, Mitigated, or Desirable Behavior using the linked analyzer guidance.

Written by the indexing model from the issue text.