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Nikolay Aleksandrov 0774a35802 net: bridge: start hello timer only if device is up 
[ Upstream commit aeb073241fe7a2b932e04e20c60e47718332877f ]

When the transition of NO_STP -> KERNEL_STP was fixed by always calling
mod_timer in br_stp_start, it introduced a new regression which causes
the timer to be armed even when the bridge is down, and since we stop
the timers in its ndo_stop() function, they never get disabled if the
device is destroyed before it's upped.

To reproduce:
$ while :; do ip l add br0 type bridge hello_time 100; brctl stp br0 on;
ip l del br0; done;

CC: Xin Long <lucien.xin@gmail.com>
CC: Ivan Vecera <cera@cera.cz>
CC: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reported-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Fixes: 6d18c732b95c ("bridge: start hello_timer when enabling KERNEL_STP in br_stp_start")
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-14 13:16:19 +02:00
..
6lowpan 6lowpan: put mcast compression in an own function 2015-10-21 00:49:25 +02:00
9p p9_client_readdir() fix 2017-05-02 21:19:55 -07:00
802
8021q net: add recursion limit to GRO 2016-11-15 07:46:38 +01:00
appletalk
atm atm: deal with setting entry before mkip was called 2015-09-17 22:13:32 -07:00
ax25 ax25: Fix segfault after sock connection timeout 2017-02-04 09:45:09 +01:00
batman-adv batman-adv: Check for alloc errors when preparing TT local data 2016-12-15 08:49:23 -08:00
bluetooth Bluetooth: Fix user channel for 32bit userspace on 64bit kernel 2017-05-20 14:27:02 +02:00
bridge net: bridge: start hello timer only if device is up 2017-06-14 13:16:19 +02:00
caif net: caif: fix misleading indentation 2016-09-30 10:18:35 +02:00
can can: Fix kernel panic at security_sock_rcv_skb 2017-02-18 16:39:26 +01:00
ceph libceph: force GFP_NOIO for socket allocations 2017-04-08 09:53:30 +02:00
core netem: fix skb_orphan_partial() 2017-06-07 12:05:59 +02:00
dcb net/dcb: make dcbnl.c explicitly non-modular 2015-10-09 07:52:27 -07:00
dccp ipv6/dccp: do not inherit ipv6_mc_list from parent 2017-06-07 12:05:57 +02:00
decnet decnet: Do not build routes to devices without decnet private data. 2016-05-18 17:06:35 -07:00
dns_resolver net: dns_resolver: convert time_t to time64_t 2015-11-18 16:27:46 -05:00
dsa net: dsa: Bring back device detaching in dsa_slave_suspend() 2017-02-04 09:45:10 +01:00
ethernet net: introduce device min_header_len 2017-02-18 16:39:27 +01:00
hsr net/hsr: fix a warning message 2015-11-23 14:56:15 -05:00
ieee802154 net: fix percpu memory leaks 2015-11-02 22:47:14 -05:00
ipv4 net: ping: do not abuse udp_poll() 2017-06-14 13:16:19 +02:00
ipv6 net: ping: do not abuse udp_poll() 2017-06-14 13:16:19 +02:00
ipx ipx: call ipxitf_put() in ioctl error path 2017-05-25 14:30:13 +02:00
irda irda: Fix lockdep annotations in hashbin_delete(). 2017-02-26 11:07:50 +01:00
iucv af_iucv: Validate socket address length in iucv_sock_bind() 2016-03-03 15:07:03 -08:00
key af_key: fix two typos 2015-10-23 03:05:19 -07:00
l2tp l2tp: fix PPP pseudo-wire auto-loading 2017-05-02 21:19:52 -07:00
l3mdev net: Add netif_is_l3_slave 2015-10-07 04:27:43 -07:00
lapb
llc net/llc: avoid BUG_ON() in skb_orphan() 2017-02-26 11:07:49 +01:00
mac80211 mac80211: RX BA support for sta max_rx_aggregation_subframes 2017-05-20 14:27:03 +02:00
mac802154 mac802154: llsec: use kzfree 2015-10-21 00:49:24 +02:00
mpls mpls: Send route delete notifications when router module is unloaded 2017-03-22 12:04:16 +01:00
netfilter netfilter: nfnetlink: correctly validate length of batch messages 2017-04-30 05:49:28 +02:00
netlabel netlabel: add address family checks to netlbl_{sock,req}_delattr() 2016-08-20 18:09:22 +02:00
netlink netlink: Allow direct reclaim for fallback allocation 2017-05-08 07:46:02 +02:00
netrom
nfc net: rename SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA 2015-12-01 15:45:05 -05:00
openvswitch net/openvswitch: Set the ipv6 source tunnel key address attribute correctly 2017-03-30 09:35:12 +02:00
packet net/packet: fix overflow in check for tp_reserve 2017-05-02 21:19:51 -07:00
phonet phonet: properly unshare skbs in phonet_rcv() 2016-01-31 11:29:00 -08:00
rds RDS: Fix the atomicity for congestion map update 2017-05-02 21:19:49 -07:00
rfkill rfkill: fix rfkill_fop_read wait_event usage 2016-03-03 15:07:26 -08:00
rose
rxrpc net: rename SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA 2015-12-01 15:45:05 -05:00
sched net_sched: close another race condition in tcf_mirred_release() 2017-05-02 21:19:49 -07:00
sctp sctp: fix ICMP processing if skb is non-linear 2017-06-07 12:05:59 +02:00
sunrpc SUNRPC: fix refcounting problems with auth_gss messages. 2017-04-21 09:30:08 +02:00
switchdev switchdev: pass pointer to fib_info instead of copy 2016-06-24 10:18:16 -07:00
tipc tipc: check minimum bearer MTU 2017-04-30 05:49:28 +02:00
unix net: unix: properly re-increment inflight counter of GC discarded candidates 2017-03-30 09:35:13 +02:00
vmw_vsock VSOCK: Detach QP check should filter out non matching QPs. 2017-04-27 09:09:32 +02:00
wimax
wireless nl80211: fix dumpit error path RTNL deadlocks 2017-03-30 09:35:18 +02:00
x25 net: fix a kernel infoleak in x25 module 2016-05-18 17:06:43 -07:00
xfrm xfrm_user: validate XFRM_MSG_NEWAE incoming ESN size harder 2017-03-31 09:49:52 +02:00
compat.c
Kconfig net: Introduce L3 Master device abstraction 2015-09-29 20:40:32 -07:00
Makefile net: Introduce L3 Master device abstraction 2015-09-29 20:40:32 -07:00
socket.c net: socket: fix recvmmsg not returning error from sock_error 2017-02-26 11:07:50 +01:00
sysctl_net.c net: Use ns_capable_noaudit() when determining net sysctl permissions 2016-09-15 08:27:50 +02:00