openvswitch: Fix multipart datapath dumps.

The logic to split up the list of datapaths into multiple Netlink messages
was simply wrong, causing the list to be terminated after the first part.
Only about the first 50 datapaths would be dumped.  This fixes the
problem.

Reported-by: Paul Ingram <paul@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Pfaff 2012-01-17 13:33:39 +00:00 committed by David S. Miller
parent 766e9f1be1
commit 77676fdbd5

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2007-2011 Nicira Networks.
* Copyright (c) 2007-2012 Nicira Networks.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
@ -1396,9 +1396,8 @@ static int ovs_dp_cmd_dump(struct sk_buff *skb, struct netlink_callback *cb)
int i = 0;
list_for_each_entry(dp, &dps, list_node) {
if (i < skip)
continue;
if (ovs_dp_cmd_fill_info(dp, skb, NETLINK_CB(cb->skb).pid,
if (i >= skip &&
ovs_dp_cmd_fill_info(dp, skb, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
OVS_DP_CMD_NEW) < 0)
break;