ipu3-imgu: Fix NULL pointer dereference in imgusubdevset_selection()
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 v5.15.87 by commit fa6bbb4894b9b947063c6ff90018a954c5f9f4b3, it was introduced in version v5.14 by commit 0d346d2a6f54f06f36b224fd27cd6eafe8c83be9. For more details please see the references link.