CVE-2024-40956 dmaengine: idxd: Fix possible Use-After-Free in irq_process_work_list

In the Linux kernel, the following vulnerability has been resolved:

dmaengine: idxd: Fix possible Use-After-Free in irq_process_work_list

Use list_for_each_entry_safe() to allow iterating through the list and
deleting the entry in the iteration process. The descriptor is freed via
idxd_desc_complete() and there’s a slight chance may cause issue for
the list iterator when the descriptor is reused by another thread
without it being deleted from the list.