CVE-2026-72274 fbdev: hecubafb: fix potential memory leak in hecubafb_probe()

In the Linux kernel, the following vulnerability has been resolved: fbdev: hecubafb: fix potential memory leak in hecubafbprobe The memory allocated for pagerefs in fbdeferredioinit is not freed on the error path. Fix it by calling fbdeferrediocleanup...