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Gustavo Padovan dc2a0e20fb Bluetooth: Add missing lock nesting notation ... This patch fixes the following report, it happens when accepting rfcomm connections: [ 228.165378] ============================================= [ 228.165378] [ INFO: possible recursive locking detected ] [ 228.165378] 3.7.0-rc1-00536-gc1d5dc4 #120 Tainted: G W [ 228.165378] --------------------------------------------- [ 228.165378] bluetoothd/1341 is trying to acquire lock: [ 228.165378] (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+...}, at: [<ffffffffa0000aa0>] bt_accept_dequeue+0xa0/0x180 [bluetooth] [ 228.165378] [ 228.165378] but task is already holding lock: [ 228.165378] (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+...}, at: [<ffffffffa0205118>] rfcomm_sock_accept+0x58/0x2d0 [rfcomm] [ 228.165378] [ 228.165378] other info that might help us debug this: [ 228.165378] Possible unsafe locking scenario: [ 228.165378] [ 228.165378] CPU0 [ 228.165378] ---- [ 228.165378] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 228.165378] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 228.165378] [ 228.165378] *** DEADLOCK *** [ 228.165378] [ 228.165378] May be due to missing lock nesting notation Cc: stable@vger.kernel.org Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>		2012-12-03 15:59:10 -02:00
..
Kconfig	Bluetooth: Always compile SCO and L2CAP in Bluetooth Core	2011-12-21 02:21:08 -02:00
Makefile	…
core.c	Bluetooth: Use __constant modifier for RFCOMM PSM	2012-10-11 14:26:28 +08:00
sock.c	Bluetooth: Add missing lock nesting notation	2012-12-03 15:59:10 -02:00
tty.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