CVE-2023-53124 scsi: mpt3sas: Fix NULL pointer access in mpt3sas_transport_port_add()

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix NULL pointer access in mpt3sastransportportadd Port is allocated by sasportallocnum and rphy is allocated by either sasenddevicealloc or sasexpanderalloc, all of which may return NULL. So we need to check the...