CVE-2026-53348 ASoC: SDCA: fix NULL pointer dereference in sdca_dev_unregister_functions

In the Linux kernel, the following vulnerability has been resolved: ASoC: SDCA: fix NULL pointer dereference in sdcadevunregisterfunctions sdcadevunregisterfunctions iterates over all SDCA function descriptors and calls sdcadevunregister on each funcdev without checking for NULL. When a function...