CVE-2024-49891 scsi: lpfc: Validate hdwq pointers before dereferencing in reset/errata paths

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Validate hdwq pointers before dereferencing in reset/errata paths When the HBA is undergoing a reset or is handling an errata event, NULL ptr dereference crashes may occur in routines such as lpfcsliflushiorings,...