stephen hemminger 4b44cbc7a2 bridge: fix race with topology change timer ...

[ Upstream commit 83401eb4990ff6af55aeed8f49681558544192e6 ]

A bridge should only send topology change notice if it is not
the root bridge. It is possible for message age timer to elect itself
as a new root bridge, and still have a topology change timer running
but waiting for bridge lock on other CPU.

Solve the race by checking if we are root bridge before continuing.
This was the root cause of the cases where br_send_tcn_bpdu would OOPS.

Reported-by: JerryKang <jerry.kang@samsung.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2013-05-19 11:38:36 -07:00

..

netfilter

net: remove redundant check for timer pending state before del_timer

2013-02-04 13:26:49 -05:00

br_device.c

bridge: add missing vid to br_mdb_get()

2013-03-07 16:32:19 -05:00

br_fdb.c

bridge: fix crash when set mac address of br interface

2013-03-24 17:27:28 -04:00

br_forward.c

bridge: Implement vlan ingress/egress policy with PVID.

2013-02-13 19:42:15 -05:00

br_if.c

bridge: make user modified path cost sticky

2013-04-15 14:03:44 -04:00

br_input.c

bridge: add missing vid to br_mdb_get()

2013-03-07 16:32:19 -05:00

br_ioctl.c

net: Allow userns root to control the network bridge code.

2012-11-18 20:33:00 -05:00

br_mdb.c

bridge: fix mdb info leaks

2013-03-10 05:19:25 -04:00

br_multicast.c

bridge: add missing vid to br_mdb_get()

2013-03-07 16:32:19 -05:00

br_netfilter.c

bridge: Pull ip header into skb->data before looking into ip header.

2012-10-10 22:50:45 -04:00

br_netlink.c

bridge: Add support for setting BR_ROOT_BLOCK flag.

2013-03-17 12:41:29 -04:00

br_notify.c

bridge: respect RFC2863 operational state

2012-12-30 02:31:43 -08:00

br_private_stp.h

net: cleanup unsigned to unsigned int

2012-04-15 12:44:40 -04:00

br_private.h

bridge: make user modified path cost sticky

2013-04-15 14:03:44 -04:00

br_stp_bpdu.c

bridge: set priority of STP packets

2013-02-11 14:16:52 -05:00

br_stp_if.c

bridge: make user modified path cost sticky

2013-04-15 14:03:44 -04:00

br_stp_timer.c

bridge: fix race with topology change timer

2013-05-19 11:38:36 -07:00

br_stp.c

bridge: add root port blocking

2012-11-14 20:20:44 -05:00

br_sysfs_br.c

bridge: Add vlan filtering infrastructure

2013-02-13 19:41:46 -05:00

br_sysfs_if.c

bridge: implement multicast fast leave

2012-12-05 16:24:45 -05:00

br_vlan.c

bridge: Separate egress policy bitmap

2013-02-13 19:42:16 -05:00

br.c

net:bridge: use IS_ENABLED

2011-12-16 15:49:52 -05:00

Kconfig

bridge: Add vlan filtering infrastructure

2013-02-13 19:41:46 -05:00

Makefile

bridge: Add vlan filtering infrastructure

2013-02-13 19:41:46 -05:00