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WANG Cong 419df12fb5 net: move fib_rules_unregister() under rtnl lock 
We have to hold rtnl lock for fib_rules_unregister()
otherwise the following race could happen:

fib_rules_unregister():	fib_nl_delrule():
...				...
...				ops = lookup_rules_ops();
list_del_rcu(&ops->list);
				list_for_each_entry(ops->rules) {
fib_rules_cleanup_ops(ops);	  ...
  list_del_rcu();		  list_del_rcu();
				}

Note, net->rules_mod_lock is actually not needed at all,
either upper layer netns code or rtnl lock guarantees
we are safe.

Cc: Alexander Duyck <alexander.h.duyck@redhat.com>
Cc: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02 20:52:34 -04:00
..
netfilter net: Use netlink_ns_capable to verify the permisions of netlink messages 2014-04-24 13:44:54 -04:00
af_decnet.c new helper: memcpy_to_msg() 2014-11-24 04:28:51 -05:00
dn_dev.c netlink: make nlmsg_end() and genlmsg_end() void 2015-01-18 01:03:45 -05:00
dn_fib.c net: tcp: add RTAX_CC_ALGO fib handling 2015-01-05 22:55:24 -05:00
dn_neigh.c neigh: remove dynamic neigh table registration support 2014-11-11 15:23:54 -05:00
dn_nsp_in.c net: Fix use after free by removing length arg from sk_data_ready callbacks. 2014-04-11 16:15:36 -04:00
dn_nsp_out.c decnet: use correct RCU API to deref sk_dst_cache field 2013-01-28 00:15:27 -05:00
dn_route.c decnet: Fix obvious o/0 typo 2015-02-23 15:28:50 -05:00
dn_rules.c net: move fib_rules_unregister() under rtnl lock 2015-04-02 20:52:34 -04:00
dn_table.c netlink: make nlmsg_end() and genlmsg_end() void 2015-01-18 01:03:45 -05:00
dn_timer.c decnet: Use time_after_eq 2014-08-22 12:23:11 -07:00
Kconfig net/decnet: remove depends on CONFIG_EXPERIMENTAL 2013-01-11 11:39:34 -08:00
Makefile
README
sysctl_net_decnet.c net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
TODO

README 

                       Linux DECnet Project
                      ======================

The documentation for this kernel subsystem is available in the
Documentation/networking subdirectory of this distribution and also
on line at http://www.chygwyn.com/DECnet/

Steve Whitehouse <SteveW@ACM.org>