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 v5.10.159 by commit f6f45e538328df9ce66aa61bafee1a5717c4b700. For more details please see the references link.