John W. Linville c3d34d5d96 wireless: register wiphy rfkill w/o holding cfg80211_mutex ... Otherwise lockdep complains... https://bugzilla.kernel.org/show_bug.cgi?id=17311 [ INFO: possible circular locking dependency detected ] 2.6.36-rc2-git4 #12 ------------------------------------------------------- kworker/0:3/3630 is trying to acquire lock: (rtnl_mutex){+.+.+.}, at: [<ffffffff813396c7>] rtnl_lock+0x12/0x14 but task is already holding lock: (rfkill_global_mutex){+.+.+.}, at: [<ffffffffa014b129>] rfkill_switch_all+0x24/0x49 [rfkill] which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (rfkill_global_mutex){+.+.+.}: [<ffffffff81079ad7>] lock_acquire+0x120/0x15b [<ffffffff813ae869>] __mutex_lock_common+0x54/0x52e [<ffffffff813aede9>] mutex_lock_nested+0x34/0x39 [<ffffffffa014b4ab>] rfkill_register+0x2b/0x29c [rfkill] [<ffffffffa0185ba0>] wiphy_register+0x1ae/0x270 [cfg80211] [<ffffffffa0206f01>] ieee80211_register_hw+0x1b4/0x3cf [mac80211] [<ffffffffa0292e98>] iwl_ucode_callback+0x9e9/0xae3 [iwlagn] [<ffffffff812d3e9d>] request_firmware_work_func+0x54/0x6f [<ffffffff81065d15>] kthread+0x8c/0x94 [<ffffffff8100ac24>] kernel_thread_helper+0x4/0x10 -> #1 (cfg80211_mutex){+.+.+.}: [<ffffffff81079ad7>] lock_acquire+0x120/0x15b [<ffffffff813ae869>] __mutex_lock_common+0x54/0x52e [<ffffffff813aede9>] mutex_lock_nested+0x34/0x39 [<ffffffffa018605e>] cfg80211_get_dev_from_ifindex+0x1b/0x7c [cfg80211] [<ffffffffa0189f36>] cfg80211_wext_giwscan+0x58/0x990 [cfg80211] [<ffffffff8139a3ce>] ioctl_standard_iw_point+0x1a8/0x272 [<ffffffff8139a529>] ioctl_standard_call+0x91/0xa7 [<ffffffff8139a687>] T.723+0xbd/0x12c [<ffffffff8139a727>] wext_handle_ioctl+0x31/0x6d [<ffffffff8133014e>] dev_ioctl+0x63d/0x67a [<ffffffff8131afd9>] sock_ioctl+0x48/0x21d [<ffffffff81102abd>] do_vfs_ioctl+0x4ba/0x509 [<ffffffff81102b5d>] sys_ioctl+0x51/0x74 [<ffffffff81009e02>] system_call_fastpath+0x16/0x1b -> #0 (rtnl_mutex){+.+.+.}: [<ffffffff810796b0>] __lock_acquire+0xa93/0xd9a [<ffffffff81079ad7>] lock_acquire+0x120/0x15b [<ffffffff813ae869>] __mutex_lock_common+0x54/0x52e [<ffffffff813aede9>] mutex_lock_nested+0x34/0x39 [<ffffffff813396c7>] rtnl_lock+0x12/0x14 [<ffffffffa0185cb5>] cfg80211_rfkill_set_block+0x1a/0x7b [cfg80211] [<ffffffffa014aed0>] rfkill_set_block+0x80/0xd5 [rfkill] [<ffffffffa014b07e>] __rfkill_switch_all+0x3f/0x6f [rfkill] [<ffffffffa014b13d>] rfkill_switch_all+0x38/0x49 [rfkill] [<ffffffffa014b821>] rfkill_op_handler+0x105/0x136 [rfkill] [<ffffffff81060708>] process_one_work+0x248/0x403 [<ffffffff81062620>] worker_thread+0x139/0x214 [<ffffffff81065d15>] kthread+0x8c/0x94 [<ffffffff8100ac24>] kernel_thread_helper+0x4/0x10 Signed-off-by: John W. Linville <linville@tuxdriver.com> Acked-by: Johannes Berg <johannes@sipsolutions.net>		2010-08-31 14:48:47 -04:00
..
9p	fs/9p: destroy fid on failed remove	2010-08-02 14:28:36 -05:00
802
8021q	vlan_dev: VLAN 0 should be treated as "no vlan tag" (802.1p packet)	2010-07-18 15:38:44 -07:00
appletalk
atm	ppp: make channel_ops const	2010-08-04 21:53:17 -07:00
ax25
bluetooth	Bluetooth: Fix incorrect setting of remote_tx_win for L2CAP ERTM	2010-08-10 07:59:11 -04:00
bridge	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2010-08-02 22:22:46 -07:00
caif	caif: precedence bug	2010-07-22 14:14:47 -07:00
can	can-raw: Fix skb_orphan_try handling	2010-08-03 00:31:48 -07:00
core	net: disable preemption before call smp_processor_id()	2010-08-07 20:35:43 -07:00
dcb
dccp	net: dccp: fix sign bug	2010-07-18 15:07:14 -07:00
decnet	net-next: remove useless union keyword	2010-06-10 23:31:35 -07:00
dsa	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2010-07-20 18:25:24 -07:00
econet	econet: fix locking	2010-06-11 18:37:08 -07:00
ethernet	Net: ethernet: pe2.c: fix EXPORT_SYMBOL macro code style issue	2010-07-14 18:27:09 -07:00
ieee802154	ieee802154: Fix possible NULL pointer dereference in wpan_phy_alloc	2010-05-23 23:11:07 -07:00
ipv4	tcp: no md5sig option size check bug	2010-08-07 20:24:28 -07:00
ipv6	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2010-08-04 15:31:02 -07:00
ipx
irda	ppp: make channel_ops const	2010-08-04 21:53:17 -07:00
iucv	net: use __packed annotation	2010-06-03 03:21:52 -07:00
key
l2tp	ppp: make channel_ops const	2010-08-04 21:53:17 -07:00
lapb
llc
mac80211	mac80211: delete work timer	2010-08-30 16:02:34 -04:00
netfilter	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2010-08-04 15:31:02 -07:00
netlabel
netlink	genetlink: use genl_register_family_with_ops()	2010-07-26 21:00:10 -07:00
netrom
packet	packet_mmap: expose hw packet timestamps to network packet capture utilities	2010-06-02 05:53:56 -07:00
phonet	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2010-07-20 18:25:24 -07:00
rds	net/rds: Add missing mutex_unlock	2010-05-29 00:18:48 -07:00
rfkill
rose	net/rose: Use GFP_ATOMIC	2010-08-01 00:32:12 -07:00
rxrpc	RxRPC: Fix a potential deadlock between the call resend_timer and state_lock	2010-08-04 21:53:16 -07:00
sched	pkt_sched: Fix sch_sfq vs tcf_bind_filter oops	2010-08-07 22:45:41 -07:00
sctp	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2010-08-04 15:31:02 -07:00
sunrpc	mm: add context argument to shrinker callback to remaining shrinkers	2010-07-21 15:33:01 +10:00
tipc
unix	drop_monitor: convert some kfree_skb call sites to consume_skb	2010-07-20 13:28:05 -07:00
wanrouter	net: autoconvert trivial BKL users to private mutex	2010-07-12 20:21:47 -07:00
wimax
wireless	wireless: register wiphy rfkill w/o holding cfg80211_mutex	2010-08-31 14:48:47 -04:00
x25
xfrm	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2010-07-20 18:25:24 -07:00
compat.c	From abbffa2aa9bd6f8df16d0d0a102af677510d8b9a Mon Sep 17 00:00:00 2001	2010-06-03 20:03:40 -07:00
Kconfig	wireless: Make COMPAT_NETLINK_MESSAGES depend upon WEXT_CORE	2010-07-26 13:13:49 -07:00
Makefile	net/Makefile: conditionally descend to wireless and ieee802154	2010-06-29 15:32:43 -07:00
nonet.c
socket.c	net: support time stamping in phy devices.	2010-07-18 19:15:26 -07:00
sysctl_net.c
TUNABLE