scsi: scsi_debug: Don't call kcalloc() if size arg is zero
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 v5.10.88 by commit aa1f912712a109b6306746133de7e5343f016b26. For more details please see the references link.