
<     struct nfs_net *nn = net_generic(net, nfs_net_id);
<     rpc_proc_register(net, &nn->rpcstats);
---
>     struct nfs_net *nn = net_generic(net, nfs_net_id);
>     if (nn)
>     {
>         rpc_proc_register(net, &nn->rpcstats);
>     }
