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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
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For each kernel release where commands or events are added to the
management interface, the revision field should be increment by one.
The increment should only happen once per kernel release and not
for every command/event that gets added. The revision value is for
informational purposes only, but this simple policy would make any
future debugging a lot simple.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch adds support for Secure Simple Pairing with devices that have
KeyboardOnly as their IO capability. Such devices will cause a passkey
notification on our side and optionally also keypress notifications.
Without this patch some keyboards cannot be paired using the mgmt
interface.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Cc: stable@vger.kernel.org
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Add Read Data Block Size HCI cmd to AMP initialization, then it
makes possible to send data.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Return code is not needed in hci_chan_del
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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hdev is allocated with kzalloc so zero initialization is not needed.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
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In the case that the link is already in the connected state and a
Pairing request arrives from the mgmt interface, hci_conn_security()
would be called but it was not considering LE links.
Reported-by: João Paulo Rechi Vita <jprvita@openbossa.org>
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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To make it clear that it may be called from contexts that may not have
any knowledge of L2CAP, we change the connection parameter, to receive
a hci_conn.
This also makes it clear that it is checking the security of the link.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Commit 4cd2d98340b4f03d5532c30fdaeb451b035429cb "Bluetooth: Simplify
the connection type handling" broke the creation of ESCO links.
This patch adds a type parameter to hci_connect_sco() so it creates
the connection of the right kind.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch changes the struct l2cap_chan and associated code to use
kref api for object refcounting and freeing.
Suggested-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Jaganath Kanakkassery <jaganath.k@samsung.com>
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Earlier we were printing chan->psm before assigning any value.
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Acked-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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MGMT_EV_DEVICE_DISCONNECTED will now expose the disconnection reason to
userland, distinguishing four possible values:
0x00 Reason not known or unspecified
0x01 Connection timeout
0x02 Connection terminated by local host
0x03 Connection terminated by remote host
Note that the local/remote distinction just determines which side
terminated the low-level connection, regardless of the disconnection of
the higher-level profiles.
This can sometimes be misleading and thus must be used with care. For
example, some hardware combinations would report a locally initiated
disconnection even if the user turned Bluetooth off in the remote side.
Signed-off-by: Mikel Astiz <mikel.astiz@bmw-carit.de>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Replace the status checks with the short form of the boolean expression.
Signed-off-by: Mikel Astiz <mikel.astiz@bmw-carit.de>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Use standard bluetooth way to check NULL pointer !var instead of
var == NULL.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Make code more clear by moving sk and bt vars to the place where
they are actually used.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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If SMP fails, we should always cancel security_timer delayed work.
Otherwise, security_timer function may run after l2cap_conn object
has been freed.
This patch fixes the following warning reported by ODEBUG:
WARNING: at lib/debugobjects.c:261 debug_print_object+0x7c/0x8d()
Hardware name: Bochs
ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x27
Modules linked in: btusb bluetooth
Pid: 440, comm: kworker/u:2 Not tainted 3.5.0-rc1+ #4
Call Trace:
[<ffffffff81174600>] ? free_obj_work+0x4a/0x7f
[<ffffffff81023eb8>] warn_slowpath_common+0x7e/0x97
[<ffffffff81023f65>] warn_slowpath_fmt+0x41/0x43
[<ffffffff811746b1>] debug_print_object+0x7c/0x8d
[<ffffffff810394f0>] ? __queue_work+0x241/0x241
[<ffffffff81174fdd>] debug_check_no_obj_freed+0x92/0x159
[<ffffffff810ac08e>] slab_free_hook+0x6f/0x77
[<ffffffffa0019145>] ? l2cap_conn_del+0x148/0x157 [bluetooth]
[<ffffffff810ae408>] kfree+0x59/0xac
[<ffffffffa0019145>] l2cap_conn_del+0x148/0x157 [bluetooth]
[<ffffffffa001b9a2>] l2cap_recv_frame+0xa77/0xfa4 [bluetooth]
[<ffffffff810592f9>] ? trace_hardirqs_on_caller+0x112/0x1ad
[<ffffffffa001c86c>] l2cap_recv_acldata+0xe2/0x264 [bluetooth]
[<ffffffffa0002b2f>] hci_rx_work+0x235/0x33c [bluetooth]
[<ffffffff81038dc3>] ? process_one_work+0x126/0x2fe
[<ffffffff81038e22>] process_one_work+0x185/0x2fe
[<ffffffff81038dc3>] ? process_one_work+0x126/0x2fe
[<ffffffff81059f2e>] ? lock_acquired+0x1b5/0x1cf
[<ffffffffa00028fa>] ? le_scan_work+0x11d/0x11d [bluetooth]
[<ffffffff81036fb6>] ? spin_lock_irq+0x9/0xb
[<ffffffff81039209>] worker_thread+0xcf/0x175
[<ffffffff8103913a>] ? rescuer_thread+0x175/0x175
[<ffffffff8103cfe0>] kthread+0x95/0x9d
[<ffffffff812c5054>] kernel_threadi_helper+0x4/0x10
[<ffffffff812c36b0>] ? retint_restore_args+0x13/0x13
[<ffffffff8103cf4b>] ? flush_kthread_worker+0xdb/0xdb
[<ffffffff812c5050>] ? gs_change+0x13/0x13
This bug can be reproduced using hctool lecc or l2test tools and
bluetoothd not running.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Now that we have a "connect" function for each link type, we should be
able to indentify which function is going to be called.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Now that we have separate ways of doing connections for each link type,
we can do better than an "if" statement to handle each link type.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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We can do the same that we did for the other link types, for SCO
connections. The only thing that's worth noting is that as SCO
links need an ACL link, this functions uses the function that adds
an ACL link.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The hci_connect() function was starting to get too complicated to be
quickly understood. We can separate the creation of a new ACL
connection into its own function.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The code that handles LE connection is already quite separated from
the rest of the connection procedure, so we can easily put it into
its own.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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These names were causing much confusion, so we rename these functions
that send HCI commands to be more similar in naming to the actual HCI
commands that will be sent.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Some connection related functions are only used inside hci_conn.c
so no need to have them exported.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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If l2cap_chan_create() fails then it will return from l2cap_sock_kill
since zapped flag of sk is reset.
Signed-off-by: Jaganath Kanakkassery <jaganath.k@samsung.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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smp_chan_create might return NULL so we need to check before
dereferencing smp.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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When the name of the given entry is empty , the state needs to be
updated accordingly.
Cc: stable@vger.kernel.org
Signed-off-by: Ram Malovany <ramm@ti.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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If the device was not found in a list of found devices names of which
are pending.This may happen in a case when HCI Remote Name Request
was sent as a part of incoming connection establishment procedure.
Hence there is no need to continue resolving a next name as it will
be done upon receiving another Remote Name Request Complete Event.
This will fix a kernel crash when trying to use this entry to resolve
the next name.
Cc: stable@vger.kernel.org
Signed-off-by: Ram Malovany <ramm@ti.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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If entry wasn't found in the hci_inquiry_cache_lookup_resolve do not
resolve the name.This will fix a kernel crash when trying to use NULL
pointer.
Cc: stable@vger.kernel.org
Signed-off-by: Ram Malovany <ramm@ti.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Some devices e.g. some Android based phones don't do SDP search before
pairing and cancel legacy pairing when ACL is disconnected.
PIN Code Request event which changes ACL timeout to HCI_PAIRING_TIMEOUT
is only received after remote user entered PIN.
In that case no L2CAP is connected so default HCI_DISCONN_TIMEOUT
(2 seconds) is being used to timeout ACL connection. This results in
problems with legacy pairing as remote user has only few seconds to
enter PIN before ACL is disconnected.
Increase disconnect timeout for incomming connection to
HCI_PAIRING_TIMEOUT if SSP is disabled and no linkey exists.
To avoid keeping ACL alive for too long after SDP search set ACL
timeout back to HCI_DISCONN_TIMEOUT when L2CAP is connected.
2012-07-19 13:24:43.413521 < HCI Command: Create Connection (0x01|0x0005) plen 13
bdaddr 00:02:72:D6:6A:3F ptype 0xcc18 rswitch 0x01 clkoffset 0x0000
Packet type: DM1 DM3 DM5 DH1 DH3 DH5
2012-07-19 13:24:43.425224 > HCI Event: Command Status (0x0f) plen 4
Create Connection (0x01|0x0005) status 0x00 ncmd 1
2012-07-19 13:24:43.885222 > HCI Event: Role Change (0x12) plen 8
status 0x00 bdaddr 00:02:72:D6:6A:3F role 0x01
Role: Slave
2012-07-19 13:24:44.054221 > HCI Event: Connect Complete (0x03) plen 11
status 0x00 handle 42 bdaddr 00:02:72:D6:6A:3F type ACL encrypt 0x00
2012-07-19 13:24:44.054313 < HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2
handle 42
2012-07-19 13:24:44.055176 > HCI Event: Page Scan Repetition Mode Change (0x20) plen 7
bdaddr 00:02:72:D6:6A:3F mode 0
2012-07-19 13:24:44.056217 > HCI Event: Max Slots Change (0x1b) plen 3
handle 42 slots 5
2012-07-19 13:24:44.059218 > HCI Event: Command Status (0x0f) plen 4
Read Remote Supported Features (0x01|0x001b) status 0x00 ncmd 0
2012-07-19 13:24:44.062192 > HCI Event: Command Status (0x0f) plen 4
Unknown (0x00|0x0000) status 0x00 ncmd 1
2012-07-19 13:24:44.067219 > HCI Event: Read Remote Supported Features (0x0b) plen 11
status 0x00 handle 42
Features: 0xbf 0xfe 0xcf 0xfe 0xdb 0xff 0x7b 0x87
2012-07-19 13:24:44.067248 < HCI Command: Read Remote Extended Features (0x01|0x001c) plen 3
handle 42 page 1
2012-07-19 13:24:44.071217 > HCI Event: Command Status (0x0f) plen 4
Read Remote Extended Features (0x01|0x001c) status 0x00 ncmd 1
2012-07-19 13:24:44.076218 > HCI Event: Read Remote Extended Features (0x23) plen 13
status 0x00 handle 42 page 1 max 1
Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00
2012-07-19 13:24:44.076249 < HCI Command: Remote Name Request (0x01|0x0019) plen 10
bdaddr 00:02:72:D6:6A:3F mode 2 clkoffset 0x0000
2012-07-19 13:24:44.081218 > HCI Event: Command Status (0x0f) plen 4
Remote Name Request (0x01|0x0019) status 0x00 ncmd 1
2012-07-19 13:24:44.105214 > HCI Event: Remote Name Req Complete (0x07) plen 255
status 0x00 bdaddr 00:02:72:D6:6A:3F name 'uw000951-0'
2012-07-19 13:24:44.105284 < HCI Command: Authentication Requested (0x01|0x0011) plen 2
handle 42
2012-07-19 13:24:44.111207 > HCI Event: Command Status (0x0f) plen 4
Authentication Requested (0x01|0x0011) status 0x00 ncmd 1
2012-07-19 13:24:44.112220 > HCI Event: Link Key Request (0x17) plen 6
bdaddr 00:02:72:D6:6A:3F
2012-07-19 13:24:44.112249 < HCI Command: Link Key Request Negative Reply (0x01|0x000c) plen 6
bdaddr 00:02:72:D6:6A:3F
2012-07-19 13:24:44.115215 > HCI Event: Command Complete (0x0e) plen 10
Link Key Request Negative Reply (0x01|0x000c) ncmd 1
status 0x00 bdaddr 00:02:72:D6:6A:3F
2012-07-19 13:24:44.116215 > HCI Event: PIN Code Request (0x16) plen 6
bdaddr 00:02:72:D6:6A:3F
2012-07-19 13:24:48.099184 > HCI Event: Auth Complete (0x06) plen 3
status 0x13 handle 42
Error: Remote User Terminated Connection
2012-07-19 13:24:48.179182 > HCI Event: Disconn Complete (0x05) plen 4
status 0x00 handle 42 reason 0x13
Reason: Remote User Terminated Connection
Cc: stable@vger.kernel.org
Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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sco_chan_del() only has conn != NULL when called from sco_conn_del() so
just move the code from it that deal with conn to sco_conn_del().
[ 120.765529]
[ 120.765529] ======================================================
[ 120.766529] [ INFO: possible circular locking dependency detected ]
[ 120.766529] 3.5.0-rc1-10292-g3701f94-dirty #70 Tainted: G W
[ 120.766529] -------------------------------------------------------
[ 120.766529] kworker/u:3/1497 is trying to acquire lock:
[ 120.766529] (&(&conn->lock)->rlock#2){+.+...}, at:
[<ffffffffa00b7ecc>] sco_chan_del+0x4c/0x170 [bluetooth]
[ 120.766529]
[ 120.766529] but task is already holding lock:
[ 120.766529] (slock-AF_BLUETOOTH-BTPROTO_SCO){+.+...}, at:
[<ffffffffa00b8401>] sco_conn_del+0x61/0xe0 [bluetooth]
[ 120.766529]
[ 120.766529] which lock already depends on the new lock.
[ 120.766529]
[ 120.766529]
[ 120.766529] the existing dependency chain (in reverse order) is:
[ 120.766529]
[ 120.766529] -> #1 (slock-AF_BLUETOOTH-BTPROTO_SCO){+.+...}:
[ 120.766529] [<ffffffff8107980e>] lock_acquire+0x8e/0xb0
[ 120.766529] [<ffffffff813c19e0>] _raw_spin_lock+0x40/0x80
[ 120.766529] [<ffffffffa00b85e9>] sco_connect_cfm+0x79/0x300
[bluetooth]
[ 120.766529] [<ffffffffa0094b13>]
hci_sync_conn_complete_evt.isra.90+0x343/0x400 [bluetooth]
[ 120.766529] [<ffffffffa009d447>] hci_event_packet+0x317/0xfb0
[bluetooth]
[ 120.766529] [<ffffffffa008aa68>] hci_rx_work+0x2c8/0x890
[bluetooth]
[ 120.766529] [<ffffffff81047db7>] process_one_work+0x197/0x460
[ 120.766529] [<ffffffff810489d6>] worker_thread+0x126/0x2d0
[ 120.766529] [<ffffffff8104ee4d>] kthread+0x9d/0xb0
[ 120.766529] [<ffffffff813c4294>] kernel_thread_helper+0x4/0x10
[ 120.766529]
[ 120.766529] -> #0 (&(&conn->lock)->rlock#2){+.+...}:
[ 120.766529] [<ffffffff81078a8a>] __lock_acquire+0x154a/0x1d30
[ 120.766529] [<ffffffff8107980e>] lock_acquire+0x8e/0xb0
[ 120.766529] [<ffffffff813c19e0>] _raw_spin_lock+0x40/0x80
[ 120.766529] [<ffffffffa00b7ecc>] sco_chan_del+0x4c/0x170
[bluetooth]
[ 120.766529] [<ffffffffa00b8414>] sco_conn_del+0x74/0xe0
[bluetooth]
[ 120.766529] [<ffffffffa00b88a2>] sco_disconn_cfm+0x32/0x60
[bluetooth]
[ 120.766529] [<ffffffffa0093a82>]
hci_disconn_complete_evt.isra.53+0x242/0x390 [bluetooth]
[ 120.766529] [<ffffffffa009d747>] hci_event_packet+0x617/0xfb0
[bluetooth]
[ 120.766529] [<ffffffffa008aa68>] hci_rx_work+0x2c8/0x890
[bluetooth]
[ 120.766529] [<ffffffff81047db7>] process_one_work+0x197/0x460
[ 120.766529] [<ffffffff810489d6>] worker_thread+0x126/0x2d0
[ 120.766529] [<ffffffff8104ee4d>] kthread+0x9d/0xb0
[ 120.766529] [<ffffffff813c4294>] kernel_thread_helper+0x4/0x10
[ 120.766529]
[ 120.766529] other info that might help us debug this:
[ 120.766529]
[ 120.766529] Possible unsafe locking scenario:
[ 120.766529]
[ 120.766529] CPU0 CPU1
[ 120.766529] ---- ----
[ 120.766529] lock(slock-AF_BLUETOOTH-BTPROTO_SCO);
[ 120.766529]
lock(&(&conn->lock)->rlock#2);
[ 120.766529]
lock(slock-AF_BLUETOOTH-BTPROTO_SCO);
[ 120.766529] lock(&(&conn->lock)->rlock#2);
[ 120.766529]
[ 120.766529] *** DEADLOCK ***
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch moves the hci_conn check to begining of hci_le_conn_
complete_evt in order to improve code's readability and better
error handling.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch does a trivial code refactoring in hci_conn lookup in
hci_le_conn_complete_evt. It performs the hci_conn lookup at the
begining of the function since it is used by both flows (error
and success).
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch changes hci_cs_le_create_conn to perform hci_conn lookup
by state instead of bdaddr.
Since we can have only one LE connection in BT_CONNECT state, we can
perform LE hci_conn lookup by state. This way, we don't rely on
hci_sent_cmd_data helper to find the hci_conn object.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch does some code refactoring in hci_cs_le_create_conn
function. The hci_conn object is only needed in case of failure,
therefore hdev locking and hci_conn lookup were moved to
if-statement scope.
Also, the conn->state check was removed since we should always
close the connection if it fails.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch removes some unneeded code from hci_cs_le_create_conn.
If the hci_conn is not found, it means this LE connection attempt
was triggered by a thrid-party tool (e.g. hcitool). We should not
create this new hci_conn in LE Create Connection command status
event since it is already properly handled in LE Connection
Complete event.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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We need to check the 'Role' parameter from the LE Connection
Complete Event in order to properly set 'out' and 'link_mode'
fields from hci_conn structure.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch replaces the unlock-and-return statements by the goto
statement.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Added /proc/net/sco via bt_procfs_init().
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Added /proc/net/rfcomm via bt_procfs_init().
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Added /proc/net/l2cap via bt_procfs_init().
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Added /proc/net/hidp via bt_procfs_init().
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Added /proc/net/hci via bt_procfs_init().
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Added /proc/net/cmtp via bt_procfs_init().
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Added /proc/net/bnep via bt_procfs_init().
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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lsof command can tell the type of socket processes are using.
Internal lsof uses inode numbers on socket fs to resolve the type of
sockets. Files under /proc/net/, such as tcp, udp, unix, etc provides
such inode information.
Unfortunately bluetooth related protocols don't provide such inode
information. This patch series introduces /proc/net files for the protocols.
This patch against af_bluetooth.c provides facility to the implementation
of protocols. This patch extends bt_sock_list and introduces two exported
function bt_procfs_init, bt_procfs_cleanup.
The type bt_sock_list is already used in some of implementation of
protocols. bt_procfs_init prepare seq_operations which converts
protocol own bt_sock_list data to protocol own proc entry when the
entry is accessed.
What I, lsof user, need is just inode number of bluetooth
socket. However, people may want more information. The bt_procfs_init
takes a function pointer for customizing the show handler of
seq_operations.
In v4 patch, __acquires and __releases attributes are added to suppress
sparse warning. Suggested by Andrei Emeltchenko.
In v5 patch, linux/proc_fs.h is included to use PDE. Build error is
reported by Fengguang Wu.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Move the l2cap channel list chan->global_l under the refcnt
protection and free it based on the refcnt.
Signed-off-by: Jaganath Kanakkassery <jaganath.k@samsung.com>
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Reviewed-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Refactor the code in order to use the l2cap_chan_destroy()
from l2cap_chan_put() under the refcnt protection.
Signed-off-by: Jaganath Kanakkassery <jaganath.k@samsung.com>
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Reviewed-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch removes hdev locking in hci_user_passkey_request_evt
since it is not needed. mgmt_user_passkey_request simply calls
mgmt_event which does not require hdev locking at all.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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