drm/nouveau/debugfs: fix file release memory leak
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 v4.9.287 by commit df0c9418923679bc6d0060bdb1b5bf2c755159e0, it was introduced in version v4.5 by commit 6e9fc177399f08446293fec7607913fdbc95e191. For more details please see the references link.