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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina:
"Assorted tiny fixes queued in trivial tree"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (22 commits)
DocBook: update EXPORT_SYMBOL entry to point at export.h
Documentation: update top level 00-INDEX file with new additions
ARM: at91/ide: remove unsused at91-ide Kconfig entry
percpu_counter.h: comment code for better readability
x86, efi: fix comment typo in head_32.S
IB: cxgb3: delay freeing mem untill entirely done with it
net: mvneta: remove unneeded version.h include
time: x86: report_lost_ticks doesn't exist any more
pcmcia: avoid static analysis complaint about use-after-free
fs/jfs: Fix typo in comment : 'how may' -> 'how many'
of: add missing documentation for of_platform_populate()
btrfs: remove unnecessary cur_trans set before goto loop in join_transaction
sound: soc: Fix typo in sound/codecs
treewide: Fix typo in various drivers
btrfs: fix comment typos
Update ibmvscsi module name in Kconfig.
powerpc: fix typo (utilties -> utilities)
of: fix spelling mistake in comment
h8300: Fix home page URL in h8300/README
xtensa: Fix home page URL in Kconfig
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial patches from Greg Kroah-Hartman:
"Here's the big tty/serial driver patches for 3.9-rc1.
More tty port rework and fixes from Jiri here, as well as lots of
individual serial driver updates and fixes.
All of these have been in the linux-next tree for a while."
* tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (140 commits)
tty: mxser: improve error handling in mxser_probe() and mxser_module_init()
serial: imx: fix uninitialized variable warning
serial: tegra: assume CONFIG_OF
TTY: do not update atime/mtime on read/write
lguest: select CONFIG_TTY to build properly.
ARM defconfigs: add missing inclusions of linux/platform_device.h
fb/exynos: include platform_device.h
ARM: sa1100/assabet: include platform_device.h directly
serial: imx: Fix recursive locking bug
pps: Fix build breakage from decoupling pps from tty
tty: Remove ancient hardpps()
pps: Additional cleanups in uart_handle_dcd_change
pps: Move timestamp read into PPS code proper
pps: Don't crash the machine when exiting will do
pps: Fix a use-after free bug when unregistering a source.
pps: Use pps_lookup_dev to reduce ldisc coupling
pps: Add pps_lookup_dev() function
tty: serial: uartlite: Support uartlite on big and little endian systems
tty: serial: uartlite: Fix sparse and checkpatch warnings
serial/arc-uart: Miscll DT related updates (Grant's review comments)
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Fix up trivial conflicts, mostly just due to the TTY config option
clashing with the EXPERIMENTAL removal.
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proc_net_remove is only used to remove proc entries
that under /proc/net,it's not a general function for
removing proc entries of netns. if we want to remove
some proc entries which under /proc/net/stat/, we still
need to call remove_proc_entry.
this patch use remove_proc_entry to replace proc_net_remove.
we can remove proc_net_remove after this patch.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Right now, some modules such as bonding use proc_create
to create proc entries under /proc/net/, and other modules
such as ipv4 use proc_net_fops_create.
It looks a little chaos.this patch changes all of
proc_net_fops_create to proc_create. we can remove
proc_net_fops_create after this patch.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Synchronize with 'net' in order to sort out some l2tp, wireless, and
ipv6 GRE fixes that will be built on top of in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
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As in del_timer() there has already placed a timer_pending() function
to check whether the timer to be deleted is pending or not, it's
unnecessary to check timer pending state again before del_timer() is
called.
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch does a trivial refactor in mgmt_pending_foreach function.
It replaces list_for_each_safe by list_for_each_entry_safe, simplifying
the function.
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 unneeded locking in hci_le_adv_report_evt. There
is no need to lock hdev before calling mgmt_device_found.
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 reduces the critical section protected by sco_conn_lock in
sco_conn_ready function. The lock is acquired only when it is really
needed.
This patch fixes the following lockdep warning which is generated
when the host terminates a SCO connection.
Today, this warning is a false positive. There is no way those
two threads reported by lockdep are running at the same time since
hdev->workqueue (where rx_work is queued) is single-thread. However,
if somehow this behavior is changed in future, we will have a
potential deadlock.
======================================================
[ INFO: possible circular locking dependency detected ]
3.8.0-rc1+ #7 Not tainted
-------------------------------------------------------
kworker/u:1H/1018 is trying to acquire lock:
(&(&conn->lock)->rlock){+.+...}, at: [<ffffffffa0033ba6>] sco_chan_del+0x66/0x190 [bluetooth]
but task is already holding lock:
(slock-AF_BLUETOOTH-BTPROTO_SCO){+.+...}, at: [<ffffffffa0033d5a>] sco_conn_del+0x8a/0xe0 [bluetooth]
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (slock-AF_BLUETOOTH-BTPROTO_SCO){+.+...}:
[<ffffffff81083011>] lock_acquire+0xb1/0xe0
[<ffffffff813efd01>] _raw_spin_lock+0x41/0x80
[<ffffffffa003436e>] sco_connect_cfm+0xbe/0x350 [bluetooth]
[<ffffffffa0015d6c>] hci_event_packet+0xd3c/0x29b0 [bluetooth]
[<ffffffffa0004583>] hci_rx_work+0x133/0x870 [bluetooth]
[<ffffffff8104d65f>] process_one_work+0x2bf/0x4f0
[<ffffffff81050022>] worker_thread+0x2b2/0x3e0
[<ffffffff81056021>] kthread+0xd1/0xe0
[<ffffffff813f14bc>] ret_from_fork+0x7c/0xb0
-> #0 (&(&conn->lock)->rlock){+.+...}:
[<ffffffff81082215>] __lock_acquire+0x1465/0x1c70
[<ffffffff81083011>] lock_acquire+0xb1/0xe0
[<ffffffff813efd01>] _raw_spin_lock+0x41/0x80
[<ffffffffa0033ba6>] sco_chan_del+0x66/0x190 [bluetooth]
[<ffffffffa0033d6d>] sco_conn_del+0x9d/0xe0 [bluetooth]
[<ffffffffa0034653>] sco_disconn_cfm+0x53/0x60 [bluetooth]
[<ffffffffa000fef3>] hci_disconn_complete_evt.isra.54+0x363/0x3c0 [bluetooth]
[<ffffffffa00150f7>] hci_event_packet+0xc7/0x29b0 [bluetooth]
[<ffffffffa0004583>] hci_rx_work+0x133/0x870 [bluetooth]
[<ffffffff8104d65f>] process_one_work+0x2bf/0x4f0
[<ffffffff81050022>] worker_thread+0x2b2/0x3e0
[<ffffffff81056021>] kthread+0xd1/0xe0
[<ffffffff813f14bc>] ret_from_fork+0x7c/0xb0
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(slock-AF_BLUETOOTH-BTPROTO_SCO);
lock(&(&conn->lock)->rlock);
lock(slock-AF_BLUETOOTH-BTPROTO_SCO);
lock(&(&conn->lock)->rlock);
*** DEADLOCK ***
4 locks held by kworker/u:1H/1018:
#0: (hdev->name#2){.+.+.+}, at: [<ffffffff8104d5f8>] process_one_work+0x258/0x4f0
#1: ((&hdev->rx_work)){+.+.+.}, at: [<ffffffff8104d5f8>] process_one_work+0x258/0x4f0
#2: (&hdev->lock){+.+.+.}, at: [<ffffffffa000fbe9>] hci_disconn_complete_evt.isra.54+0x59/0x3c0 [bluetooth]
#3: (slock-AF_BLUETOOTH-BTPROTO_SCO){+.+...}, at: [<ffffffffa0033d5a>] sco_conn_del+0x8a/0xe0 [bluetooth]
stack backtrace:
Pid: 1018, comm: kworker/u:1H Not tainted 3.8.0-rc1+ #7
Call Trace:
[<ffffffff813e92f9>] print_circular_bug+0x1fb/0x20c
[<ffffffff81082215>] __lock_acquire+0x1465/0x1c70
[<ffffffff81083011>] lock_acquire+0xb1/0xe0
[<ffffffffa0033ba6>] ? sco_chan_del+0x66/0x190 [bluetooth]
[<ffffffff813efd01>] _raw_spin_lock+0x41/0x80
[<ffffffffa0033ba6>] ? sco_chan_del+0x66/0x190 [bluetooth]
[<ffffffffa0033ba6>] sco_chan_del+0x66/0x190 [bluetooth]
[<ffffffffa0033d6d>] sco_conn_del+0x9d/0xe0 [bluetooth]
[<ffffffffa0034653>] sco_disconn_cfm+0x53/0x60 [bluetooth]
[<ffffffffa000fef3>] hci_disconn_complete_evt.isra.54+0x363/0x3c0 [bluetooth]
[<ffffffffa000fbd0>] ? hci_disconn_complete_evt.isra.54+0x40/0x3c0 [bluetooth]
[<ffffffffa00150f7>] hci_event_packet+0xc7/0x29b0 [bluetooth]
[<ffffffff81202e90>] ? __dynamic_pr_debug+0x80/0x90
[<ffffffff8133ff7d>] ? kfree_skb+0x2d/0x40
[<ffffffffa0021644>] ? hci_send_to_monitor+0x1a4/0x1c0 [bluetooth]
[<ffffffffa0004583>] hci_rx_work+0x133/0x870 [bluetooth]
[<ffffffff8104d5f8>] ? process_one_work+0x258/0x4f0
[<ffffffff8104d65f>] process_one_work+0x2bf/0x4f0
[<ffffffff8104d5f8>] ? process_one_work+0x258/0x4f0
[<ffffffff8104fdc1>] ? worker_thread+0x51/0x3e0
[<ffffffffa0004450>] ? hci_tx_work+0x800/0x800 [bluetooth]
[<ffffffff81050022>] worker_thread+0x2b2/0x3e0
[<ffffffff8104fd70>] ? busy_worker_rebind_fn+0x100/0x100
[<ffffffff81056021>] kthread+0xd1/0xe0
[<ffffffff81055f50>] ? flush_kthread_worker+0xc0/0xc0
[<ffffffff813f14bc>] ret_from_fork+0x7c/0xb0
[<ffffffff81055f50>] ? flush_kthread_worker+0xc0/0xc0
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 increments the management interface revision due to the
various fixes, improvements and other changes that have gone in lately.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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If a controller is powered on while the HCI_AUTO_OFF flag is set the
link security setting (HCI_LINK_SECURITY) might not be in sync with the
actual state of the controller (HCI_AUTH). This patch fixes the issue by
checking for inequality between the intended and actual settings and
sends a HCI_Write_Auth_Enable command if necessary.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch adds the necessary code for encoding a list of 128-bit UUIDs
into the EIR data.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch adds the necessary code for inserting a list of 32-bit UUIDs
into the EIR data.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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We will need to create three separate UUID lists in the EIR data (for
16, 32 and 128 bit UUIDs) so the code is easier to follow if each list
is generated in their own function.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The amount of data encoded so far in the create_eir() function can be
calculated simply through the difference between the data and ptr
pointer variables. The eir_len variable then becomes essentially
useless.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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There's no need to use two separate loops to generate a UUID list for
the EIR data. This patch merges the two loops previously used for the
16-bit UUID list generation into a single loop, thus simplifying the
code a great deal.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The UUID removal code can be simplified by using
list_for_each_entry_safe instead of list_for_each_safe.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The primary purpose of the UUIDs is to enable generation of EIR and AD
data. In these data formats the UUIDs are split into separate fields
based on whether they're 16, 32 or 128 bit UUIDs. To make the generation
of these data fields simpler this patch adds a type member to the
bt_uuid struct and assigns a value to it as soon as the UUID is added to
the kernel. This way the type doesn't need to be calculated each time
the UUID list is later iterated.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The code for clearing the UUIDs list can be simplified by using
list_for_each_entry_safe instead of list_for_each_safe.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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We should be encoding UUIDs to the EIR data in the same order that they
were added to the kernel, i.e. each UUID should be added to the end of
the UUIDs list. This patch fixes the issue by using list_add_tail
instead of list_add for storing the UUIDs.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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If occurs a LE or SCO hci_conn timeout and the connection is already
established (BT_CONNECTED state), the connection is not terminated as
expected. This bug can be reproduced using l2test or scotest tool.
Once the connection is established, kill l2test/scotest and the
connection won't be terminated.
This patch fixes hci_conn_disconnect helper so it is able to
terminate LE and SCO connections, as well as ACL.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The conn->smp_chan pointer can be NULL if SMP PDUs arrive at unexpected
moments. To avoid NULL pointer dereferences the code should be checking
for this and disconnect if an unexpected SMP PDU arrives. This patch
fixes the issue by adding a check for conn->smp_chan for all other PDUs
except pairing request and security request (which are are the first
PDUs to come to initialize the SMP context).
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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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
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Conflicts:
drivers/devfreq/exynos4_bus.c
Sync with Linus' tree to be able to apply patches that are
against newer code (mvneta).
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The LE supported states indicate the states and state combinations that
the link layer supports. This is important information for knowing what
operations are possible when dealing with multiple connected devices.
This patch adds reading of the supported states to the HCI init
sequence.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The LE White List Size is necessary to be known before attempting to
feed the controller with any addresses intended for the white list. This
patch adds the necessary HCI command sending to the HCI init sequence.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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To be able to make the appropriate decisions for some LE procedures we
need to know the LE features that the local controller supports.
Therefore, it's important to have the LE Read Local Supported Features
HCI comand as part of the HCI init sequence.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The Block/Unblock Device Management commands should return Command
Complete instead of Command Status whenever possible so that user space
can distinguish exactly which command failed in the case of multiple
commands. This patch does the necessary changes in the command handler
to return the right event to user space.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The Disconnect Management command should return Command Complete instead
of Command Status whenever possible so that user space can distinguish
exactly which command failed in the case of multiple commands. This
patch does the necessary changes in the disconnect command handler to
return the right event to user space.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The valid values for the Disconnect parameter in the Unpair Device
command are 0x00 and 0x01. If any other value is encountered the command
should fail with the appropriate invalid params response.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch adds checks for valid address type values passed to mgmt
commands. If an invalid address type is encountered the code will return
a proper invalid params response.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch adds necessary checks for the two allowed values of the
authenticated parameter of each Long Term Key, i.e. 0x00 and 0x01. If
any other value is encountered the valid response is to return invalid
params to user space.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch refactors valid LTK data testing into its own function. This
will help keep the code readable since there are several tests still
missing that need to be done on the LTK data.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The allowed values for the key->master parameter in the Load LTKs
command are 0x00 and 0x01. If there is a key in the list with some other
value the command should fail with a proper invalid params response.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Failures of mgmt commands should be indicated with valid mgmt status
codes, and EINVAL is not one of them. Instead MGMT_STATUS_INVALID_PARAMS
should be returned.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The debug_keys parameter is only allowed to have the values 0x00 and
0x01. Any other value should result in a proper command status with
MGMT_STATUS_INVALID_PARAMS.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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According to Bluetooth Management API specification Pair Device Command
should generate command complete event on both success and failure.
This fix replying with command status (which lacks address info) when
adapter is powered off.
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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When a HCI device is powered off the Management interface specification
dictates that the class of device value is indicated as zero. This patch
fixes sending of the appropriate class of device changed event when a
HCI device is powered off.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The option allows you to remove TTY and compile without errors. This
saves space on systems that won't support TTY interfaces anyway.
bloat-o-meter output is below.
The bulk of this patch consists of Kconfig changes adding "depends on
TTY" to various serial devices and similar drivers that require the TTY
layer. Ideally, these dependencies would occur on a common intermediate
symbol such as SERIO, but most drivers "select SERIO" rather than
"depends on SERIO", and "select" does not respect dependencies.
bloat-o-meter output comparing our previous minimal to new minimal by
removing TTY. The list is filtered to not show removed entries with awk
'$3 != "-"' as the list was very long.
add/remove: 0/226 grow/shrink: 2/14 up/down: 6/-35356 (-35350)
function old new delta
chr_dev_init 166 170 +4
allow_signal 80 82 +2
static.__warned 143 142 -1
disallow_signal 63 62 -1
__set_special_pids 95 94 -1
unregister_console 126 121 -5
start_kernel 546 541 -5
register_console 593 588 -5
copy_from_user 45 40 -5
sys_setsid 128 120 -8
sys_vhangup 32 19 -13
do_exit 1543 1526 -17
bitmap_zero 60 40 -20
arch_local_irq_save 137 117 -20
release_task 674 652 -22
static.spin_unlock_irqrestore 308 260 -48
Signed-off-by: Joe Millenbach <jmillenbach@gmail.com>
Reviewed-by: Jamey Sharp <jamey@minilop.net>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There's a per-HCI device workqueue (hdev->workqueue) that should be used
for general per-HCI device work (except hdev->req_workqueue that's for
hci_request() related work). This patch fixes places using the
system-global work queue and makes them use the hdev->workqueue instead.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch converts work assignment relying on hci_request() from the
system-global work queue to the per-HCI device specific work queue
(hdev->req_workqueue) intended for hci_request() related tasks.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The hci_request function is blocking and cannot be called through the
usual per-HCI device workqueue (hdev->workqueue). While hci_request is
in progress any other work from the queue, including sending HCI
commands to the controller would be blocked and eventually cause the
hci_request call to time out.
This patch adds a second workqueue to be used by operations needing
hci_request and thereby avoiding issues with blocking other workqueue
users.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Now, we start converting tty buffer functions to actually use
tty_port. This will allow us to get rid of the need of tty in many
call sites. Only tty_port will needed and hence no more
tty_port_tty_get in those paths.
Now, the one where most of tty_port_tty_get gets removed:
tty_flip_buffer_push.
IOW we also closed all the races in drivers not using tty_port_tty_get
at all yet.
Also we move tty_flip_buffer_push declaration from include/linux/tty.h
to include/linux/tty_flip.h to all others while we are changing it
anyway.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now, we start converting tty buffer functions to actually use
tty_port. This will allow us to get rid of the need of tty in many
call sites. Only tty_port will needed and hence no more
tty_port_tty_get in those paths.
tty_insert_flip_string this time.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The uuid should be printed in the CPU endianness and not in little-endian.
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The socket from which a mgmt_set_powered command was received should
only receive the command response but no new_settings event.
The mgmt_powered() function which is used to handle the situation with
the HCI_AUTO_OFF flag tries to check for a pending command to know which
socket to skip the event for, but since the pending command hasn't been
added this will not happen.
This patch fixes the issue by adding the pending command for the
HCI_AUTO_OFF case and thereby ensures that mgmt_powered() will skip the
right socket when sending the new_settings event, but still send the
proper response to the socket where the command came from.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Management commands should whenever possible fail with proper command
status or command complete events. This patch fixes the
mgmt_start_discovery command to do this for the failure cases where an
incorrect parameter value was passed to it ("not supported" if the
parameter value was valid but the controller doesn't support it and
"invalid params" if it isn't valid at all).
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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All mgmt_set_* commands that take a boolean value encoded in the form of
a byte should only accept the values 0x00 and 0x01. This patch adds the
necessary checks for this and returns "invalid params" responses if
anything else is provided as the value.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch fixes sections of code that do not need hci_lock_dev to be
outside of the lock. Such sections include code that do not touch the
hdev at all as well as sections which just read a single byte from the
supported_features value (i.e. all lmp_*_capable() macros).
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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