CVE-2026-31492 RDMA/irdma: Initialize free_qp completion before using it

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Initialize freeqp completion before using it In irdmacreateqp, if ibcopytoudata fails, it will call irdmadestroyqp to clean up which will attempt to wait on the freeqp completion, which is not initialized yet. Fix thi...