fbdev: fb_pm2fb: Avoid potential divide by zero error
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 v4.9.327 by commit 0f1174f4972ea9fad6becf8881d71adca8e9ca91. For more details please see the references link.