")' - ie: 'Fixes: d18d3f0a24fc ("l2tp: replace hlist with simple list for per-tunnel session list")'

WARNING: Please use correct Fixes: style 'Fixes: <12 chars of sha1> ("")' - ie: 'Fixes: d18d3f0a24fc ("l2tp: replace hlist with simple list for per-tunnel session list")'