RFR: 8284855: Update needed to Cleaners added to jdk.crypto.cryptoki [v5]

[Xue-Lei Andrew Fan]

On Fri, 15 Apr 2022 17:51:43 GMT, Valerie Peng <valeriep at openjdk.org> wrote:

>> Xue-Lei Andrew Fan has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   add a reference to the clean up method
>
> src/jdk.crypto.cryptoki/unix/native/libj2pkcs11/p11_md.c line 274:
> 
>> 272:         ModuleData *moduleData = jlong_to_ptr(ckpNativeData);
>> 273: 
>> 274:         if (moduleData != NULL) {
> 
> The check should be (moduleData->hModule != NULL)? Same goes for the other p11_md.c file.

I think it is safer to add the check for 'hModule'.


-        if (moduleData != NULL) {
+        if (moduleData != NULL && moduleData->hModule != NULL) {

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PR: https://git.openjdk.java.net/jdk/pull/8248