GSD-2023-1001870 vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF

vcscreen: move load of struct vcdata pointer in vcsread to avoid UAF 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 v6.1.11 by commit...