ASoC: soc-pcm: Add NULL check in BE reparenting
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 v5.15.83 by commit 9f74b9aa8d58c18927bb9b65dd5ba70a5fd61615. For more details please see the references link.