CVE-2025-21649 net: hns3: fix kernel crash when 1588 is sent on HIP08 devices

In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix kernel crash when 1588 is sent on HIP08 devices Currently, HIP08 devices does not register the ptp devices, so the hdev-ptp is NULL. But the tx process would still try to set hardware time stamp info with...