drm/selftests/test-drmdpmsthelper: Fix memory leak in sidebandmsgreqencode_decode
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 v5.16.19 by commit 3ee7db7ea79bd318614a5ce5bcbbab4b7976ff98, it was introduced in version v5.11 by commit 09234b88ef5598252d1cee37e4d7b26a48b6557f. For more details please see the references link.