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18db594a10
linux/net
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Johannes Berg 18db594a10 mac80211: fix scheduled scan rtnl deadlock 
When changing cfg80211 to use RTNL locking, this caused a
deadlock in mac80211 as it calls cfg80211_sched_scan_stopped()
from a work item that's on a workqueue that is flushed with
the RTNL held.

Fix this by simply using schedule_work(), the work only needs
to finish running before the wiphy is unregistered, no other
synchronisation (e.g. with suspend) is really required since
for suspend userspace is already blocked anyway when we flush
the workqueue so will only pick up the event after resume.

Cc: stable@vger.kernel.org
Fixes: 5fe231e873 ("cfg80211: vastly simplify locking")
Reported-and-tested-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-11-25 16:50:04 +01:00
..
9p Nothing really exciting: some groundwork for changing virtio endian, and 2013-11-15 13:28:47 +09:00
802
8021q Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-11-14 16:30:30 +09:00
appletalk net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
atm net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
ax25 net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
batman-adv batman-adv: generalize batman-adv icmp packet handling 2013-10-23 17:03:47 +02:00
bluetooth Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem 2013-11-21 10:26:17 -05:00
bridge Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2013-11-21 12:44:15 -05:00
caif net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
can Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2013-11-15 16:47:22 -08:00
ceph
core net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
dcb
dccp ipv4: introduce new IP_MTU_DISCOVER mode IP_PMTUDISC_INTERFACE 2013-11-05 21:52:27 -05:00
decnet
dns_resolver
dsa
ethernet
hsr genetlink: make multicast groups const, prevent abuse 2013-11-19 16:39:06 -05:00
ieee802154 genetlink: make multicast groups const, prevent abuse 2013-11-19 16:39:06 -05:00
ipv4 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2013-11-21 12:44:15 -05:00
ipv6 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2013-11-21 12:44:15 -05:00
ipx net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
irda net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
iucv net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
key net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
l2tp net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
lapb
llc net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
mac80211 mac80211: fix scheduled scan rtnl deadlock 2013-11-25 16:50:04 +01:00
mac802154 6lowpan: set and use mac_len for mac header length 2013-10-30 17:18:46 -04:00
mpls
netfilter Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2013-11-21 12:44:15 -05:00
netlabel genetlink: only pass array to genl_register_family_with_ops() 2013-11-19 16:39:05 -05:00
netlink genetlink: fix genlmsg_multicast() bug 2013-11-21 13:09:43 -05:00
netrom net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
nfc net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-11-19 15:50:47 -08:00
packet packet: fix use after free race in send path when dev is released 2013-11-21 13:09:43 -05:00
phonet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-11-19 15:50:47 -08:00
rds net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
rfkill net: rfkill: gpio: add ACPI support 2013-10-28 15:05:25 +01:00
rose net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
rxrpc net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
sched pkt_sched: fq: fix pacing for small frames 2013-11-15 21:01:52 -05:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-11-19 15:50:47 -08:00
sunrpc NFS client bugfixes: 2013-11-16 13:14:56 -08:00
tipc net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
unix net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
vmw_vsock net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
wimax wimax: remove dead code 2013-11-21 13:09:42 -05:00
wireless cfg80211: fix ibss wext chandef creation 2013-11-25 16:50:02 +01:00
x25 net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
xfrm net: move pskb_put() to core code 2013-11-07 19:28:58 -05:00
compat.c net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
Kconfig net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0) 2013-11-03 23:20:14 -05:00
Makefile net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0) 2013-11-03 23:20:14 -05:00
nonet.c
socket.c net: add BUG_ON if kernel advertises msg_namelen > sizeof(struct sockaddr_storage) 2013-11-20 21:52:30 -05:00
sysctl_net.c