scsi: core: Fix error handling of scsihostalloc()
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 v4.19.195 by commit 2dc85045ae65b9302a1d2e2ddd7ce4c030153a6a. For more details please see the references link.