CVE-2025-37910 ptp: ocp: Fix NULL dereference in Adva board SMA sysfs operations

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: Fix NULL dereference in Adva board SMA sysfs operations On Adva boards, SMA sysfs store/get operations can call handlesignaloutputs or handlesignalinputs while the irig and dcf pointers are uninitialized, leading to a...