parisc: led: Fix potential null-ptr-deref in start_task()
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 v4.9.337 by commit c6db0c32f39684c89c97bc1ba1c9c4249ca09e48, it was introduced in version v2.6.15 by commit 3499495205a676d85fcc2f3c28e35ec9b43c47e3. For more details please see the references link.