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 v4.19.247 by commit 0e4dda8b3f4c07ee9ea670a10ea3171a5e63a86f. For more details please see the references link.