RFR: 8263818: Release JNI local references in get/set-InetXXAddress-member helper functions of net_util.c

[Alan Bateman]

On Thu, 18 Mar 2021 14:57:16 GMT, Chris Hegarty <chegar at openjdk.org> wrote:

> As per the Java Native Interface Specification: "All Java objects returned by JNI functions are local references." [1]. 
> 
> The get/set-InetXXAddress-member helper functions in net_util.c retrieve a local reference to the internal `holder` before operating on the InetAddress object. These functions are used in many places by the native code, and should release any local references before returning. 
> 
> [1] https://docs.oracle.com/en/java/javase/16/docs/specs/jni/design.html#global-and-local-references

Marked as reviewed by alanb (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/3074