Fix memory handling in slot refresh

OpenSC / libp11

PKCS#11 wrapper library

GNU Lesser General Public License v2.1

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Closed pavolmarko closed 1 year ago

pavolmarko commented 1 year ago

On refreshing slots, there were two issues:

When reusing a PKCS11_SLOT_PRIVATE structure instance, the instance to be reused was accidentally freed
Looking for an instance in the list of slots had bugs in pointer usage (treating slotp as an array of PKCS11_SLOT*, while it is actually a pointer to an array of PKCS11_SLOT).