RFR(XXS): 8242485: Null _file checking in fileStream::flush()

[Ioi Lam]

Looks good to me. Thanks
- Ioi

On 4/10/20 5:34 AM, Denghui Dong wrote:
> Hi team,
>
> Could you please review this small patch?
>
> JBS: https://bugs.openjdk.java.net/browse/JDK-8242485
> webrev: http://cr.openjdk.java.net/~ddong/8242485/webrev.00/
>
> I found the method "fileStream::flush()" lacks null check before fflush  which will cause
> all open output streams are flushed by fflush() if _file is NULL.
>
> Thanks,
> Denghui Dong