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-rw-r--r--net/phonet/pn_netlink.c22
1 files changed, 7 insertions, 15 deletions
diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c
index 54d766842c2b..bc5ee5fbe6ae 100644
--- a/net/phonet/pn_netlink.c
+++ b/net/phonet/pn_netlink.c
@@ -272,31 +272,23 @@ static int route_doit(struct sk_buff *skb, struct nlmsghdr *nlh)
static int route_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
{
struct net *net = sock_net(skb->sk);
- u8 addr, addr_idx = 0, addr_start_idx = cb->args[0];
+ u8 addr;
rcu_read_lock();
- for (addr = 0; addr < 64; addr++) {
- struct net_device *dev;
+ for (addr = cb->args[0]; addr < 64; addr++) {
+ struct net_device *dev = phonet_route_get_rcu(net, addr << 2);
- dev = phonet_route_get_rcu(net, addr << 2);
if (!dev)
continue;
- if (addr_idx++ < addr_start_idx)
- continue;
- fill_route(skb, dev, addr << 2, NETLINK_CB(cb->skb).portid,
- cb->nlh->nlmsg_seq, RTM_NEWROUTE);
- /* fill_route() used to return > 0 (or negative errors) but
- * never 0 - ignore the return value and just go out to
- * call dumpit again from outside to preserve the behavior
- */
- goto out;
+ if (fill_route(skb, dev, addr << 2, NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq, RTM_NEWROUTE) < 0)
+ goto out;
}
out:
rcu_read_unlock();
- cb->args[0] = addr_idx;
- cb->args[1] = 0;
+ cb->args[0] = addr;
return skb->len;
}