diff options
| -rw-r--r-- | net/phonet/pn_netlink.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c index 54d7668..bc5ee5f 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; } |