607 static int fib6_check_nh_list(struct nexthop *old, struct nexthop *new,  in fib6_check_nh_list()  argument
612 	if (list_empty(&old->f6i_list))  in fib6_check_nh_list()
615 	list_for_each_entry(f6i, &old->f6i_list, nh_list) {  in fib6_check_nh_list()
671 static int fib_check_nh_list(struct nexthop *old, struct nexthop *new,  in fib_check_nh_list()  argument
676 	list_for_each_entry(fi, &old->fi_list, nh_list) {  in fib_check_nh_list()
853 static int replace_nexthop_grp(struct net *net, struct nexthop *old,  in replace_nexthop_grp()  argument
865 	oldg = rtnl_dereference(old->nh_grp);  in replace_nexthop_grp()
870 		newg->nh_entries[i].nh_parent = old;  in replace_nexthop_grp()
872 	rcu_assign_pointer(old->nh_grp, newg);  in replace_nexthop_grp()
882 static int replace_nexthop_single(struct net *net, struct nexthop *old,  in replace_nexthop_single()  argument
893 	oldi = rtnl_dereference(old->nh_info);  in replace_nexthop_single()
896 	newi->nh_parent = old;  in replace_nexthop_single()
899 	old->protocol = new->protocol;  in replace_nexthop_single()
900 	old->nh_flags = new->nh_flags;  in replace_nexthop_single()
902 	rcu_assign_pointer(old->nh_info, newi);  in replace_nexthop_single()
948 static int replace_nexthop(struct net *net, struct nexthop *old,  in replace_nexthop()  argument
958 	err = fib_check_nh_list(old, new, extack);  in replace_nexthop()
962 	err = fib6_check_nh_list(old, new, extack);  in replace_nexthop()
972 	list_for_each_entry(nhge, &old->grp_list, nh_list) {  in replace_nexthop()
991 	if (old->is_group)  in replace_nexthop()
992 		err = replace_nexthop_grp(net, old, new, extack);  in replace_nexthop()
994 		err = replace_nexthop_single(net, old, new, extack);  in replace_nexthop()
997 		nh_rt_cache_flush(net, old);  in replace_nexthop()