RDMA/hfi1: Prevent panic when SDMA is disabled
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 v4.14.283 by commit 33794e8e9bcb4affc0ebff9cdec85acc8b8a1762. For more details please see the references link.