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0b27a4b97c
linux/net/bluetooth
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Gustavo Padovan 0b27a4b97c Revert "Bluetooth: Fix possible deadlock in SCO code" 
This reverts commit 269c4845d5.

The commit was causing dead locks and NULL dereferences in the sco code:

 [28084.104013] BUG: soft lockup - CPU#0 stuck for 22s! [kworker/u:0H:7]
 [28084.104021] Modules linked in: btusb bluetooth <snip [last unloaded:
bluetooth]
...
 [28084.104021]  [<c160246d>] _raw_spin_lock+0xd/0x10
 [28084.104021]  [<f920e708>] sco_conn_del+0x58/0x1b0 [bluetooth]
 [28084.104021]  [<f920f1a9>] sco_connect_cfm+0xb9/0x2b0 [bluetooth]
 [28084.104021]  [<f91ef289>]
hci_sync_conn_complete_evt.isra.94+0x1c9/0x260 [bluetooth]
 [28084.104021]  [<f91f1a8d>] hci_event_packet+0x74d/0x2b40 [bluetooth]
 [28084.104021]  [<c1501abd>] ? __kfree_skb+0x3d/0x90
 [28084.104021]  [<c1501b46>] ? kfree_skb+0x36/0x90
 [28084.104021]  [<f91fcb4e>] ? hci_send_to_monitor+0x10e/0x190 [bluetooth]
 [28084.104021]  [<f91fcb4e>] ? hci_send_to_monitor+0x10e/0x190 [bluetooth]

Cc: stable@vger.kernel.org
Reported-by: Chan-yeol Park <chanyeol.park@gmail.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-12-03 16:00:04 -02:00
..
bnep Bluetooth: Remove unnecessary include export.h 2012-11-01 20:27:04 -02:00
cmtp Bluetooth: Replace include linux/module.h with linux/export.h 2012-10-24 00:44:05 -02:00
hidp Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next 2012-10-19 15:22:27 -04:00
rfcomm Bluetooth: Add missing lock nesting notation 2012-12-03 15:59:10 -02:00
a2mp.c Bluetooth: Rename ctrl_id to remote_amp_id 2012-11-01 20:27:11 -02:00
af_bluetooth.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next 2012-10-19 15:22:27 -04:00
amp.c Bluetooth: Set local_amp_id after getting Phylink Completed evt 2012-11-20 15:54:44 -02:00
hci_conn.c Bluetooth: Add put(hcon) when deleting hchan 2012-11-01 20:27:03 -02:00
hci_core.c Bluetooth: AMP: Mark controller radio powered down after HCIDEVDOWN 2012-12-03 15:59:59 -02:00
hci_event.c Bluetooth: Move double negation to macros 2012-12-03 15:59:59 -02:00
hci_sock.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-09-28 14:40:49 -04:00
hci_sysfs.c Bluetooth: Use %pMR in sprintf/seq_printf instead of batostr 2012-09-27 18:10:15 -03:00
Kconfig Bluetooth: trivial: Remove newline before EOF 2012-10-24 00:42:47 -02:00
l2cap_core.c Bluetooth: trivial: Change NO_FCS_RECV to RECV_NO_FCS 2012-12-03 16:00:01 -02:00
l2cap_sock.c Bluetooth: Start channel move when socket option is changed 2012-10-24 00:26:30 -02:00
lib.c bluetooth: Remove unneeded batostr function 2012-09-27 18:10:43 -03:00
Makefile Bluetooth: AMP: Use HCI cmd to Read Loc AMP Assoc 2012-09-27 17:10:32 -03:00
mgmt.c Bluetooth: Move double negation to macros 2012-12-03 15:59:59 -02:00
sco.c Revert "Bluetooth: Fix possible deadlock in SCO code" 2012-12-03 16:00:04 -02:00
smp.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless 2012-10-23 11:41:46 -04:00