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Luis R. Rodriguez 729e9c7663 cfg80211: fix for duplicate userspace replies 
This fixes an incorrect assumption (BUG_ON) made in
cfg80211 when handling country IE regulatory requests.
The assumption was that we won't try to call_crda()
twice for the same event and therefore we will not
recieve two replies through nl80211 for the regulatory
request. As it turns out it is true we don't call_crda()
twice for the same event, however, kobject_uevent_env()
*might* send the udev event twice and/or userspace can
simply process the udev event twice. We remove the BUG_ON()
and simply ignore the duplicate request.

For details refer to this thread:

http://marc.info/?l=linux-wireless&m=124149987921337&w=2

Cc: stable@kernel.org
Reported-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 		2009-06-03 14:05:12 -04:00
..
9p net/9p: handle correctly interrupted 9P requests 2009-04-05 16:54:53 -05:00
802 net: remove COMPAT_NET_DEV_OPS 2009-05-25 01:53:53 -07:00
8021q net: convert unicast addr list 2009-05-29 22:12:32 -07:00
appletalk net: remove COMPAT_NET_DEV_OPS 2009-05-25 01:53:53 -07:00
atm net: skb->dst accessors 2009-06-03 02:51:04 -07:00
ax25 ax25: proc uid file misses header 2009-04-20 02:14:59 -07:00
bluetooth Bluetooth: Remove useless flush_work() causing lockdep warnings 2009-05-27 09:15:57 +02:00
bridge net: skb->dst accessors 2009-06-03 02:51:04 -07:00
can can: Network Drop Monitor: Make use of consume_skb() in af_can.c 2009-04-17 01:38:46 -07:00
core net: introduce pre-up netdev notifier 2009-06-03 14:05:12 -04:00
dcb DCB: fix kfree(skb) 2009-01-04 17:29:21 -08:00
dccp net: skb->dst accessors 2009-06-03 02:51:04 -07:00
decnet net: skb->dst accessors 2009-06-03 02:51:04 -07:00
dsa net: convert unicast addr list 2009-05-29 22:12:32 -07:00
econet econet: Use SKB queue and list helpers instead of doing it by-hand. 2009-05-28 16:46:29 -07:00
ethernet net: remove COMPAT_NET_DEV_OPS 2009-05-25 01:53:53 -07:00
ipv4 net: skb->dst accessors 2009-06-03 02:51:04 -07:00
ipv6 net: skb->dst accessors 2009-06-03 02:51:04 -07:00
ipx ipx: use constant for strings and desciptor 2009-03-21 19:06:51 -07:00
irda irda: Use SKB queue and list helpers instead of doing it by-hand. 2009-05-28 23:26:33 -07:00
iucv af_iucv: Fix merge. 2009-04-23 06:37:16 -07:00
key af_key: remove some pointless conditionals before kfree_skb() 2009-02-26 23:07:32 -08:00
lapb
…
llc llc: Kill outdated and incorrect comment. 2009-05-28 23:31:56 -07:00
mac80211 mac80211: handle -EALREADY on cfg80211 op assoc req 2009-06-03 14:05:11 -04:00
netfilter net: skb->dst accessors 2009-06-03 02:51:04 -07:00
netlabel netlabel: Use genl_register_family_with_ops() 2009-05-21 16:50:24 -07:00
netlink genetlink: Introduce genl_register_family_with_ops() 2009-05-21 16:50:22 -07:00
netrom net/netrom: Fix socket locking 2009-04-22 00:49:51 -07:00
packet net: skb->dst accessors 2009-06-03 02:51:04 -07:00
phonet Phonet: fix accounting race between gprs_writeable() and gprs_xmit() 2009-06-02 00:17:43 -07:00
rds Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-05-18 21:08:20 -07:00
rfkill net/rfkill/rfkill.c: fix build with CONFIG_RFKILL_LEDS=n 2009-05-06 15:14:40 -04:00
rose Revert "rose: zero length frame filtering in af_rose.c" 2009-04-14 20:28:00 -07:00
rxrpc RxRPC: Error handling for rxrpc_alloc_connection() 2009-05-21 15:22:02 -07:00
sched net: skb->dst accessors 2009-06-03 02:51:04 -07:00
sctp net: skb->dst accessors 2009-06-03 02:51:04 -07:00
sunrpc net: skb->dst accessors 2009-06-03 02:51:04 -07:00
tipc tipc: Use genl_register_family_with_ops() 2009-05-21 16:50:23 -07:00
unix New helper - current_umask() 2009-03-31 23:00:26 -04:00
wanrouter wanrouter: fix sparse warnings: context imbalance 2009-02-26 23:13:36 -08:00
wimax wimax: Add netlink interface to get device state 2009-05-28 18:02:20 -07:00
wireless cfg80211: fix for duplicate userspace replies 2009-06-03 14:05:12 -04:00
x25 af_rose/x25: Sanity check the maximum user frame size 2009-03-27 00:28:21 -07:00
xfrm net: skb->dst accessors 2009-06-03 02:51:04 -07:00
Kconfig net: remove stale reference to fastroute from Kconfig help text 2009-05-07 16:31:01 -07:00
Makefile RDS: Kconfig and Makefile 2009-02-26 23:43:35 -08:00
TUNABLE
…
compat.c net: socket infrastructure for SO_TIMESTAMPING 2009-02-15 22:43:35 -08:00
nonet.c
…
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-04-06 18:05:43 -07:00
sysctl_net.c net: sysctl_net - use net_eq to compare nets 2009-03-16 16:23:30 +01:00