media: dvbdev: Fix memory leak in dvbmediadevice_free()
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 v5.4.118 by commit 9185b3b1c143b8da409c19ac5a785aa18d67a81b, it was introduced in version v4.5 by commit 0230d60e4661d9ced6fb0b9a30f182ebdafbba7a. For more details please see the references link.