GSD-2022-1000980 net/smc: Fix NULL pointer dereference in smc_pnet_find_ib()

net/smc: Fix NULL pointer dereference in smcpnetfindib 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 v5.17.4 by commit...