CVE-2026-89856 scsi: qla2xxx: Clamp MSI-X derived queue counts to avoid truncation

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Clamp MSI-X derived queue counts to avoid truncation ha-msixcount is u16, but ha-maxreqqueues, ha-maxrspqueues and ha-maxqpairs are u8. Deriving the queue count as "ha-maxreqqueues = ha-msixcount - 1" therefore...