- 19 Feb, 2012 4 commits
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Andre Guedes authored
This patch adds interleaved discovery support to MGMT Start Discovery command. In case interleaved discovery is not supported (not a dual mode device), we perform BR/EDR or LE-only discovery according to the device capabilities. Signed-off-by:
Andre Guedes <andre.guedes@openbossa.org> Acked-by:
Marcel Holtmann <marcel@holtmann.org> Signed-off-by:
Johan Hedberg <johan.hedberg@intel.com>
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Andre Guedes authored
This patch merges DISCOVERY_INQUIRY and DISCOVERY_LE_SCAN states into a new state called DISCOVERY_FINDING. From the discovery perspective, we are pretty much worried about to know just if we are finding devices than what exactly phase of "finding devices" (inquiry or LE scan) we are currently running. Besides, to know if the controller is performing inquiry or LE scan we should check HCI_INQUIRY or HCI_LE_SCAN bits in hdev flags. Moreover, merging this two states will simplify the discovery state machine and will keep interleaved discovery implementation simpler. Signed-off-by:
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Andre Guedes authored
This patch adds to struct discovery_state the field 'type' so that we can track the discovery type the device is performing. Signed-off-by:
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Andre Guedes authored
This patch does some code refactoring in start_discovery function in order to prepare it for interleaved discovery support. MGMT_ADDR_* macros were moved to hci_core.h since they are now used to define discovery type macros. Discovery type macros were defined according to mgmt-api.txt specification: Possible values for the Type parameter are a bit-wise or of the following bits: 1 BR/EDR 2 LE Public 3 LE Random By combining these e.g. the following values are possible: 1 BR/EDR 6 LE (public & random) 7 BR/EDR/LE (interleaved discovery) Signed-off-by:
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- 17 Feb, 2012 12 commits
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Johan Hedberg authored
This patch adds the appropriate Intel copyright to mgmt files. Signed-off-by:
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Johan Hedberg authored
The latest mgmt API includes an address type for all messages containing an address. This patch updates the confirm name command to match this. Signed-off-by:
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Johan Hedberg authored
The latest mgmt API includes address types for all messages containing an address. This patch updates the PIN code messages to match this. Signed-off-by:
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Johan Hedberg authored
The latest mgmt API includes an address type wherever there's an address present. This patch updates the link key messages to match it. Signed-off-by:
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Andrei Emeltchenko authored
Several hex numbers were printed without object name which complicates debugging. Signed-off-by:
Andrei Emeltchenko <andrei.emeltchenko@intel.com> Acked-by:
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Andrei Emeltchenko authored
Use state_to_string function in debug statements. Signed-off-by:
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Andrei Emeltchenko authored
Function state_to_string will be used in other files in debug statements. Signed-off-by:
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Joe Perches authored
Use specific logging functions instead of a generic bt_printk function can save some text. Remove now unused bt_printk function. Add compatibility BT_INFO and BT_ERR macros. (compiled x86 and defconfig with bluetooth and all bluetooth drivers) $ size net/bluetooth/built-in.o* text data bss dec hex filename 381662 20072 100416 502150 7a986 net/bluetooth/built-in.o.allyesconfig.new 382463 20072 100400 502935 7ac97 net/bluetooth/built-in.o.allyesconfig.old 126635 1388 132 128155 1f49b net/bluetooth/built-in.o.defconfig.new 127175 1388 132 128695 1f6b7 net/bluetooth/built-in.o.defconfig.old $ size drivers/bluetooth/built-in.o* 127575 8976 29476 166027 2888b drivers/bluetooth/built-in.o.allyesconfig.new 129512 8976 29516 168004 29044 drivers/bluetooth/built-in.o.allyesconfig.old 52998 3292 156 56446 dc7e drivers/bluetooth/built-in.o.defconfig.new 54358 3292 156 57806 e1ce drivers/bluetooth/built-in.o.defconfig.old Signed-off-by:
Joe Perches <joe@perches.com> Acked-by:
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Johan Hedberg authored
The Set SSP mgmt command can be used for enabling and disabling Secure Simple Pairing support for controllers that support it. Signed-off-by:
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Johan Hedberg authored
The Set Link Security mgmt command is used to enable or disable link level security, also known as Security Mode 3. This is rarely enabled in modern systems but the command needs to be available for completeness, qualification purposes and those few systems that actually want to enable it. Signed-off-by:
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Johan Hedberg authored
For simple integer errors the variable name "err" is more consistent with the existing code base than "ret". Signed-off-by:
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Johan Hedberg authored
The val member of cmd_lookup isn't used anywhere so it can be removed. Signed-off-by:
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- 16 Feb, 2012 2 commits
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Andrei Emeltchenko authored
Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next.gitJohan Hedberg authored
Conflicts: include/net/bluetooth/l2cap.h net/bluetooth/hci_conn.c net/bluetooth/l2cap_core.c
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- 15 Feb, 2012 21 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirelessJohn W. Linville authored
Conflicts: net/mac80211/debugfs_sta.c net/mac80211/sta_info.h
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Pavel Roskin authored
Rate control algorithms are supposed to stop processing when they encounter a rate with the index -1. Checking for rate->count not being zero is not enough. Allowing a rate with negative index leads to memory corruption in ath_debug_stat_rc(). One consequence of the bug is discussed at https://bugzilla.redhat.com/show_bug.cgi?id=768639Signed-off-by:
Pavel Roskin <proski@gnu.org> Cc: stable@vger.kernel.org Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Amitkumar Karwar authored
Driver maintains different flags for WEP, WPA, WPA2 security modes. Appropriate flag is set using security information provided in connect request. mwifiex_is_network_compatible() routine uses them to check if driver's setting is compatible with AP. Association is aborted if the routine fails. For some corner cases, it is observed that association is failed even for valid security information based on association history. This patch fixes the problem by clearing previous security setting during each association. We should set WEP key provided in connect request as default tx key. This missing change is also added here. Signed-off-by:
Amitkumar Karwar <akarwar@marvell.com> Signed-off-by:
Bing Zhao <bzhao@marvell.com> Signed-off-by:
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Felix Fietkau authored
Most rate control implementations assume .get_rate and .tx_status are only called once the per-station data has been fully initialized. minstrel_ht crashes if this assumption is violated. Signed-off-by:
Felix Fietkau <nbd@openwrt.org> Tested-by:
Arend van Spriel <arend@broadcom.com> Signed-off-by:
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Johannes Berg authored
There are situations where we don't have the necessary rate control information yet for station entries, e.g. when associating. This currently doesn't really happen due to the dummy station handling; explicitly disabling rate control when it's not initialised will allow us to remove dummy stations. Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Andre Guedes authored
We are not supposed to send mgmt_discovering events if we are transiting from DISCOVERY_STARTING to DISCOVERY_STOPPED state. It doesn't make sense to send mgmt_discovering event once discovery procedure has not been even started. Signed-off-by:
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Andre Guedes authored
In case of Start Discovery command failure, we should set the discovery state to DISCOVERY_STOPPED. Otherwise, we stuck at DISCOVERY_STARTING state and subsequent Start Discovery commands will simply fail. Signed-off-by:
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Johan Hedberg authored
This patch implements the Read Supported Commands mgmt command which was recently added to the API specification. It returns a list of supported commands and events to user space. Signed-off-by:
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Ulisses Furquim authored
We need to use the _sync() version for cancelling the info and security timer in the L2CAP connection delete path. Otherwise the delayed work handler might run after the connection object is freed. Signed-off-by:
Ulisses Furquim <ulisses@profusion.mobi> Acked-by:
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Ulisses Furquim authored
__cancel_delayed_work() is being used in some paths where we cannot sleep waiting for the delayed work to finish. However, that function might return while the timer is running and the work will be queued again. Replace the calls with safer cancel_delayed_work() version which spins until the timer handler finishes on other CPUs and cancels the delayed work. Signed-off-by:
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Manoj Iyer authored
T: Bus=01 Lev=02 Prnt=02 Port=03 Cnt=03 Dev#= 5 Spd=12 MxCh= 0 D: Ver= 2.00 Cls=ff(vend.) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0a5c ProdID=21f3 Rev=01.12 S: Manufacturer=Broadcom Corp S: Product=BCM20702A0 S: SerialNumber=74DE2B344A7B C: #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=01 Prot=01 Driver=(none) I: If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=(none) I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none) I: If#= 3 Alt= 0 #EPs= 0 Cls=fe(app. ) Sub=01 Prot=01 Driver=(none) Signed-off-by:
Manoj Iyer <manoj.iyer@canonical.com> Tested-by:
Dennis Chua <dennis.chua@canonical.com> Acked-by:
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Johan Hedberg authored
We should only perform a reset in hci_dev_do_close if the HCI_QUIRK_NO_RESET flag is set (since in such a case a reset will not be performed when initializing the device). Signed-off-by:
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Octavian Purdila authored
There is an imbalance in the rfcomm_session_hold / rfcomm_session_put operations which causes the following crash: [ 685.010159] BUG: unable to handle kernel paging request at 6b6b6b6b [ 685.010169] IP: [<c149d76d>] rfcomm_process_dlcs+0x1b/0x15e [ 685.010181] *pdpt = 000000002d665001 *pde = 0000000000000000 [ 685.010191] Oops: 0000 [#1] PREEMPT SMP [ 685.010247] [ 685.010255] Pid: 947, comm: krfcommd Tainted: G C 3.0.16-mid8-dirty #44 [ 685.010266] EIP: 0060:[<c149d76d>] EFLAGS: 00010246 CPU: 1 [ 685.010274] EIP is at rfcomm_process_dlcs+0x1b/0x15e [ 685.010281] EAX: e79f551c EBX: 6b6b6b6b ECX: 00000007 EDX: e79f40b4 [ 685.010288] ESI: e79f4060 EDI: ed4e1f70 EBP: ed4e1f68 ESP: ed4e1f50 [ 685.010295] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 685.010303] Process krfcommd (pid: 947, ti=ed4e0000 task=ed43e5e0 task.ti=ed4e0000) [ 685.010308] Stack: [ 685.010312] ed4e1f68 c149eb53 e5925150 e79f4060 ed500000 ed4e1f70 ed4e1f80 c149ec10 [ 685.010331] 00000000 ed43e5e0 00000000 ed4e1f90 ed4e1f9c c149ec87 0000bf54 00000000 [ 685.010348] 00000000 ee03bf54 c149ec37 ed4e1fe4 c104fe01 00000000 00000000 00000000 [ 685.010367] Call Trace: [ 685.010376] [<c149eb53>] ? rfcomm_process_rx+0x6e/0x74 [ 685.010387] [<c149ec10>] rfcomm_process_sessions+0xb7/0xde [ 685.010398] [<c149ec87>] rfcomm_run+0x50/0x6d [ 685.010409] [<c149ec37>] ? rfcomm_process_sessions+0xde/0xde [ 685.010419] [<c104fe01>] kthread+0x63/0x68 [ 685.010431] [<c104fd9e>] ? __init_kthread_worker+0x42/0x42 [ 685.010442] [<c14dae82>] kernel_thread_helper+0x6/0xd This issue has been brought up earlier here: https://lkml.org/lkml/2011/5/21/127 The issue appears to be the rfcomm_session_put in rfcomm_recv_ua. This operation doesn't seem be to required as for the non-initiator case we have the rfcomm_process_rx doing an explicit put and in the initiator case the last dlc_unlink will drive the reference counter to 0. There have been several attempts to fix these issue: 6c2718da Bluetooth: Do not call rfcomm_session_put() for RFCOMM UA on closed socket 683d949a Bluetooth: Never deallocate a session when some DLC points to it but AFAICS they do not fix the issue just make it harder to reproduce. Signed-off-by:
Octavian Purdila <octavian.purdila@intel.com> Signed-off-by:
Gopala Krishna Murala <gopala.krishna.murala@intel.com> Acked-by:
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Andre Guedes authored
We don't need to use the _sync variant in hci_conn_hold and hci_conn_put to cancel conn->disc_work delayed work. This way we avoid potential deadlocks like this one reported by lockdep. ====================================================== [ INFO: possible circular locking dependency detected ] 3.2.0+ #1 Not tainted ------------------------------------------------------- kworker/u:1/17 is trying to acquire lock: (&hdev->lock){+.+.+.}, at: [<ffffffffa0041155>] hci_conn_timeout+0x62/0x158 [bluetooth] but task is already holding lock: ((&(&conn->disc_work)->work)){+.+...}, at: [<ffffffff81035751>] process_one_work+0x11a/0x2bf which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 ((&(&conn->disc_work)->work)){+.+...}: [<ffffffff81057444>] lock_acquire+0x8a/0xa7 [<ffffffff81034ed1>] wait_on_work+0x3d/0xaa [<ffffffff81035b54>] __cancel_work_timer+0xac/0xef [<ffffffff81035ba4>] cancel_delayed_work_sync+0xd/0xf [<ffffffffa00554b0>] smp_chan_create+0xde/0xe6 [bluetooth] [<ffffffffa0056160>] smp_conn_security+0xa3/0x12d [bluetooth] [<ffffffffa0053640>] l2cap_connect_cfm+0x237/0x2e8 [bluetooth] [<ffffffffa004239c>] hci_proto_connect_cfm+0x2d/0x6f [bluetooth] [<ffffffffa0046ea5>] hci_event_packet+0x29d1/0x2d60 [bluetooth] [<ffffffffa003dde3>] hci_rx_work+0xd0/0x2e1 [bluetooth] [<ffffffff810357af>] process_one_work+0x178/0x2bf [<ffffffff81036178>] worker_thread+0xce/0x152 [<ffffffff81039a03>] kthread+0x95/0x9d [<ffffffff812e7754>] kernel_thread_helper+0x4/0x10 -> #1 (slock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+...}: [<ffffffff81057444>] lock_acquire+0x8a/0xa7 [<ffffffff812e553a>] _raw_spin_lock_bh+0x36/0x6a [<ffffffff81244d56>] lock_sock_nested+0x24/0x7f [<ffffffffa004d96f>] lock_sock+0xb/0xd [bluetooth] [<ffffffffa0052906>] l2cap_chan_connect+0xa9/0x26f [bluetooth] [<ffffffffa00545f8>] l2cap_sock_connect+0xb3/0xff [bluetooth] [<ffffffff81243b48>] sys_connect+0x69/0x8a [<ffffffff812e6579>] system_call_fastpath+0x16/0x1b -> #0 (&hdev->lock){+.+.+.}: [<ffffffff81056d06>] __lock_acquire+0xa80/0xd74 [<ffffffff81057444>] lock_acquire+0x8a/0xa7 [<ffffffff812e3870>] __mutex_lock_common+0x48/0x38e [<ffffffff812e3c75>] mutex_lock_nested+0x2a/0x31 [<ffffffffa0041155>] hci_conn_timeout+0x62/0x158 [bluetooth] [<ffffffff810357af>] process_one_work+0x178/0x2bf [<ffffffff81036178>] worker_thread+0xce/0x152 [<ffffffff81039a03>] kthread+0x95/0x9d [<ffffffff812e7754>] kernel_thread_helper+0x4/0x10 other info that might help us debug this: Chain exists of: &hdev->lock --> slock-AF_BLUETOOTH-BTPROTO_L2CAP --> (&(&conn->disc_work)->work) Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock((&(&conn->disc_work)->work)); lock(slock-AF_BLUETOOTH-BTPROTO_L2CAP); lock((&(&conn->disc_work)->work)); lock(&hdev->lock); *** DEADLOCK *** 2 locks held by kworker/u:1/17: #0: (hdev->name){.+.+.+}, at: [<ffffffff81035751>] process_one_work+0x11a/0x2bf #1: ((&(&conn->disc_work)->work)){+.+...}, at: [<ffffffff81035751>] process_one_work+0x11a/0x2bf stack backtrace: Pid: 17, comm: kworker/u:1 Not tainted 3.2.0+ #1 Call Trace: [<ffffffff812e06c6>] print_circular_bug+0x1f8/0x209 [<ffffffff81056d06>] __lock_acquire+0xa80/0xd74 [<ffffffff81021ef2>] ? arch_local_irq_restore+0x6/0xd [<ffffffff81022bc7>] ? vprintk+0x3f9/0x41e [<ffffffff81057444>] lock_acquire+0x8a/0xa7 [<ffffffffa0041155>] ? hci_conn_timeout+0x62/0x158 [bluetooth] [<ffffffff812e3870>] __mutex_lock_common+0x48/0x38e [<ffffffffa0041155>] ? hci_conn_timeout+0x62/0x158 [bluetooth] [<ffffffff81190fd6>] ? __dynamic_pr_debug+0x6d/0x6f [<ffffffffa0041155>] ? hci_conn_timeout+0x62/0x158 [bluetooth] [<ffffffff8105320f>] ? trace_hardirqs_off+0xd/0xf [<ffffffff812e3c75>] mutex_lock_nested+0x2a/0x31 [<ffffffffa0041155>] hci_conn_timeout+0x62/0x158 [bluetooth] [<ffffffff810357af>] process_one_work+0x178/0x2bf [<ffffffff81035751>] ? process_one_work+0x11a/0x2bf [<ffffffff81055af3>] ? lock_acquired+0x1d0/0x1df [<ffffffffa00410f3>] ? hci_acl_disconn+0x65/0x65 [bluetooth] [<ffffffff81036178>] worker_thread+0xce/0x152 [<ffffffff810407ed>] ? finish_task_switch+0x45/0xc5 [<ffffffff810360aa>] ? manage_workers.isra.25+0x16a/0x16a [<ffffffff81039a03>] kthread+0x95/0x9d [<ffffffff812e7754>] kernel_thread_helper+0x4/0x10 [<ffffffff812e5db4>] ? retint_restore_args+0x13/0x13 [<ffffffff8103996e>] ? __init_kthread_worker+0x55/0x55 [<ffffffff812e7750>] ? gs_change+0x13/0x13 Signed-off-by:Vinicius Costa Gomes <vinicius.gomes@openbossa.org> Reviewed-by:
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Octavian Purdila authored
Since bluetooth uses multiple protocols types, to avoid lockdep warnings, we need to use different lockdep classes (one for each protocol type). This is already done in bt_sock_create but it misses a couple of cases when new connections are created. This patch corrects that to fix the following warning: <4>[ 1864.732366] ======================================================= <4>[ 1864.733030] [ INFO: possible circular locking dependency detected ] <4>[ 1864.733544] 3.0.16-mid3-00007-gc9a0f62 #3 <4>[ 1864.733883] ------------------------------------------------------- <4>[ 1864.734408] t.android.btclc/4204 is trying to acquire lock: <4>[ 1864.734869] (rfcomm_mutex){+.+.+.}, at: [<c14970ea>] rfcomm_dlc_close+0x15/0x30 <4>[ 1864.735541] <4>[ 1864.735549] but task is already holding lock: <4>[ 1864.736045] (sk_lock-AF_BLUETOOTH){+.+.+.}, at: [<c1498bf7>] lock_sock+0xa/0xc <4>[ 1864.736732] <4>[ 1864.736740] which lock already depends on the new lock. <4>[ 1864.736750] <4>[ 1864.737428] <4>[ 1864.737437] the existing dependency chain (in reverse order) is: <4>[ 1864.738016] <4>[ 1864.738023] -> #1 (sk_lock-AF_BLUETOOTH){+.+.+.}: <4>[ 1864.738549] [<c1062273>] lock_acquire+0x104/0x140 <4>[ 1864.738977] [<c13d35c1>] lock_sock_nested+0x58/0x68 <4>[ 1864.739411] [<c1493c33>] l2cap_sock_sendmsg+0x3e/0x76 <4>[ 1864.739858] [<c13d06c3>] __sock_sendmsg+0x50/0x59 <4>[ 1864.740279] [<c13d0ea2>] sock_sendmsg+0x94/0xa8 <4>[ 1864.740687] [<c13d0ede>] kernel_sendmsg+0x28/0x37 <4>[ 1864.741106] [<c14969ca>] rfcomm_send_frame+0x30/0x38 <4>[ 1864.741542] [<c1496a2a>] rfcomm_send_ua+0x58/0x5a <4>[ 1864.741959] [<c1498447>] rfcomm_run+0x441/0xb52 <4>[ 1864.742365] [<c104f095>] kthread+0x63/0x68 <4>[ 1864.742742] [<c14d5182>] kernel_thread_helper+0x6/0xd <4>[ 1864.743187] <4>[ 1864.743193] -> #0 (rfcomm_mutex){+.+.+.}: <4>[ 1864.743667] [<c1061ada>] __lock_acquire+0x988/0xc00 <4>[ 1864.744100] [<c1062273>] lock_acquire+0x104/0x140 <4>[ 1864.744519] [<c14d2c70>] __mutex_lock_common+0x3b/0x33f <4>[ 1864.744975] [<c14d303e>] mutex_lock_nested+0x2d/0x36 <4>[ 1864.745412] [<c14970ea>] rfcomm_dlc_close+0x15/0x30 <4>[ 1864.745842] [<c14990d9>] __rfcomm_sock_close+0x5f/0x6b <4>[ 1864.746288] [<c1499114>] rfcomm_sock_shutdown+0x2f/0x62 <4>[ 1864.746737] [<c13d275d>] sys_socketcall+0x1db/0x422 <4>[ 1864.747165] [<c14d42f0>] syscall_call+0x7/0xb Signed-off-by: -
Vinicius Costa Gomes authored
queue_delayed_work() expects a relative time for when that work should be scheduled. Signed-off-by:
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Andrzej Kaczmarek authored
After moving L2CAP timers to workqueues l2cap_set_timer expects timeout value to be specified in jiffies but constants defined in miliseconds are used. This makes timeouts unreliable when CONFIG_HZ is not set to 1000. __set_chan_timer macro still uses jiffies as input to avoid multiple conversions from/to jiffies for sk_sndtimeo value which is already specified in jiffies. Signed-off-by:
Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com> Ackec-by:
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Andrzej Kaczmarek authored
sk_sndtime value should be specified in jiffies thus initial value needs to be converted from miliseconds. Otherwise this timeout is unreliable when CONFIG_HZ is not set to 1000. Signed-off-by:
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Johan Hedberg authored
As reported by Dan Carpenter this function causes a Sparse warning and shouldn't be declared inline: include/net/bluetooth/l2cap.h:837:30 error: marked inline, but without a definition" Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Daniel Wagner authored
[ 2096.384084] btusb_send_frame:684: hci0 [ 2096.384087] usb 3-1: BOGUS urb flags, 2 --> 0 [ 2096.384091] Bluetooth: hci0 urb ffff8801b61d3a80 submission failed (22) According the documentation in usb_submit_urb() URB_ISO_ASAP flag is only allowed for endpoints of type USB_ENDPOINT_XFER_ISOC. This reverts commit b8aabfc9. Signed-off-by:
Daniel Wagner <daniel.wagner@bmw-carit.de> Acked-by:
Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Acked-by:
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Peter Hurley authored
Commit 33060542 fixed l2cap conn establishment for non-ssp remote devices by not setting HCI_CONN_ENCRYPT_PEND every time conn security is tested (which was always returning failure on any subsequent security checks). However, this broke l2cap conn establishment for ssp remote devices when an ACL link was already established at SDP-level security. This fix ensures that encryption must be pending whenever authentication is also pending. Signed-off-by:
Peter Hurley <peter@hurleysoftware.com> Tested-by:
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- 13 Feb, 2012 1 commit
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David Herrmann authored
Recently we changed the way how we release driver-data. A driver is now responsible of destroying the data so we no longer need the device lock on deinitialization in btusb driver. Signed-off-by:
David Herrmann <dh.herrmann@googlemail.com> Acked-by:
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