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 v4.14.302 by commit d4dd21a79dbb862d2ebcf9ed90e646416009ff0d. For more details please see the references link.