scsi: target: iscsi: Make sure the np under each tpg is unique
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.267 by commit aeaf67314e4e57df8aff636979a57b5a828a6451. For more details please see the references link.