video: fbdev: cirrusfb: check pixclock to avoid divide by zero
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.110 by commit 8c7e2141fb89c620ab4e41512e262fbf25b8260d. For more details please see the references link.