| Commit message (Collapse) | Author | Age | Files | Lines |
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Patch fixes zd1201 not to use stack as URB transfer_buffer. URB buffers need
to be DMA-able, which stack is not.
Patch is only compile tested.
Cc: stable@vger.kernel.org
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
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If scheduling an important time event fails, or if we get
an unexpected notification from the firmware, there isn't
much we can do to recover, so just drop the connection and
let higher layers retry it.
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This reverts commit a53ee0a308b16e392e0219c585b10f329345766b.
This fix causes a worse HW Error when entering RF-Kill.
Signed-off-by: Guy Cohen <guy.cohen@intel.com>
Signed-off-by: Dor Shaish <dor.shaish@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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As Arjan pointed out, we mustn't do anything related to PCI
configuration until the device is properly enabled with
pci_enable_device().
Cc: stable@vger.kernel.org
Reported-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If channel switch is pending and we remove interface we can
crash like showed below due to passing NULL vif to mac80211:
BUG: unable to handle kernel paging request at fffffffffffff8cc
IP: [<ffffffff8130924d>] strnlen+0xd/0x40
Call Trace:
[<ffffffff8130ad2e>] string.isra.3+0x3e/0xd0
[<ffffffff8130bf99>] vsnprintf+0x219/0x640
[<ffffffff8130c481>] vscnprintf+0x11/0x30
[<ffffffff81061585>] vprintk_emit+0x115/0x4f0
[<ffffffff81657bd5>] printk+0x61/0x63
[<ffffffffa048987f>] ieee80211_chswitch_done+0xaf/0xd0 [mac80211]
[<ffffffffa04e7b34>] iwl_chswitch_done+0x34/0x40 [iwldvm]
[<ffffffffa04f83c3>] iwlagn_commit_rxon+0x2a3/0xdc0 [iwldvm]
[<ffffffffa04ebc50>] ? iwlagn_set_rxon_chain+0x180/0x2c0 [iwldvm]
[<ffffffffa04e5e76>] iwl_set_mode+0x36/0x40 [iwldvm]
[<ffffffffa04e5f0d>] iwlagn_mac_remove_interface+0x8d/0x1b0 [iwldvm]
[<ffffffffa0459b3d>] ieee80211_do_stop+0x29d/0x7f0 [mac80211]
This is because we nulify ctx->vif in iwlagn_mac_remove_interface()
before calling some other functions that teardown interface. To fix
just check ctx->vif on iwl_chswitch_done(). We should not call
ieee80211_chswitch_done() as channel switch works were already canceled
by mac80211 in ieee80211_do_stop() -> ieee80211_mgd_stop().
Resolve:
https://bugzilla.redhat.com/show_bug.cgi?id=979581
Cc: stable@vger.kernel.org
Reported-by: Lukasz Jagiello <jagiello.lukasz@gmail.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There's an underlying race condition with the unjoin_work() call that is
sometimes triggered depending on scheduling order and the phase of the
moon. This doesn't fix the race condition, but it does remove the
ill-advised BUG_ON() call in an easily-recoverable situation.
Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
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In case the AP has different regulatory information than we do,
it can happen that we connect to an AP based on e.g. the world
roaming regulatory data, and then update our database with the
AP's country information disables the channel the AP is using.
If this happens on an HT AP, the bandwidth tracking code will
hit the WARN_ON() and disconnect. Since that's not very useful,
ignore the channel-disable flag in bandwidth tracking.
Cc: stable@vger.kernel.org
Reported-by: Chris Wright <chrisw@sous-sol.org>
Tested-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When a P2P GO interface goes down, cfg80211 doesn't properly
tear it down, leading to warnings later. Add the GO interface
type to the enumeration to tear it down like AP interfaces.
Otherwise, we leave it pending and mac80211's state can get
very confused, leading to warnings later.
Cc: stable@vger.kernel.org
Reported-by: Ilan Peer <ilan.peer@intel.com>
Tested-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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While we're connected, the AP shouldn't change the primary channel
in the HT information. We checked this, and dropped the connection
if it did change it.
Unfortunately, this is causing problems on some APs, e.g. on the
Netgear WRT610NL: the beacons seem to always contain a bad channel
and if we made a connection using a probe response (correct data)
we drop the connection immediately and can basically not connect
properly at all.
Work around this by ignoring the HT primary channel information in
beacons if we're already connected.
Also print out more verbose messages in the other situations to
help diagnose similar bugs quicker in the future.
Cc: stable@vger.kernel.org [3.10]
Acked-by: Andy Isaacson <adi@hexapodia.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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TX status notification can get lost, or the frames could
get stuck on the queue, so don't wait for the callback
from the driver forever and instead time out after half
a second.
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Commit "3d9646d mac80211: fix channel selection bug" introduced a possible
infinite loop by moving the out target above the chandef_downgrade
while loop. When we downgrade to NL80211_CHAN_WIDTH_20_NOHT, we jump
back up to re-run the while loop...indefinitely. Replace goto with
break and carry on. This may not be sufficient to connect to the AP,
but will at least keep the cpu from livelocking. Thanks to Derek Atkins
as an extra pair of debugging eyes.
Cc: stable@kernel.org
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This is similar to the race Linus had reported, but in this case
it's an older bug: nl80211_prepare_wdev_dump() uses the wiphy
index in cb->args[0] as it is and thus parses the message over
and over again instead of just once because 0 is the first valid
wiphy index. Similar code in nl80211_testmode_dump() correctly
offsets the wiphy_index by 1, do that here as well.
Cc: stable@vger.kernel.org
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Using rfkill switch can make firmware unstable, what cause various
Microcode errors and kernel warnings. Reseting firmware just after
rfkill off (radio on) helped with that.
Resolve:
https://bugzilla.redhat.com/show_bug.cgi?id=977053
Reported-and-tested-by: Justin Pearce <whitefox@guardianfox.net>
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If device was put into a sleep and system was restarted or module
reloaded, we have to wake device up before sending other commands.
Otherwise it will fail to start with Microcode error.
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-fixes
Samuel Ortiz <sameo@linux.intel.com> says:
'This is the second NFC fixes pull request for 3.11.
We have:
- A build failure fix for the NCI SPI transport layer due to a
missing CRC_CCITT Kconfig dependency.
- A netlink command rename: CMD_FW_UPLOAD was merged during the 3.11
merge window but the typical terminology for loading a firmware to a
target is firmware download rather than upload. In order to avoid any
confusion in a file exported to userspace, we rename this command into
CMD_FW_DOWNLOAD."
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Loading a firmware into a target is typically called firmware
download, not firmware upload. So we rename the netlink API to
NFC_CMD_FW_DOWNLOAD in order to avoid any terminology confusion from
userspace.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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kbuild test robot found following error:
net/built-in.o: In function `nci_spi_send':
>> spi.c:(.text+0x19a76f): undefined reference to `crc_ccitt'
Add CRC_CCITT module to Kconfig to fix it
Reported-by: kbuild test robot.
Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Conflicts:
net/bluetooth/hci_core.c
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In certain circumstances, such as an HCI driver using __hci_cmd_sync_ev
with HCI_EV_CMD_COMPLETE as the expected completion event there is the
chance that hci_event_packet will call hci_req_cmd_complete twice (once
for the explicitly looked after event and another time in the actual
handler of cmd_complete).
In the case of __hci_cmd_sync_ev this introduces a race where the first
call wakes up the blocking __hci_cmd_sync_ev and lets it complete.
However, by the time that a second __hci_cmd_sync_ev call is already in
progress the second hci_req_cmd_complete call (from the previous
operation) will wake up the blocking function prematurely and cause it
to fail, as witnessed by the following log:
[ 639.232195] hci_rx_work: hci0 Event packet
[ 639.232201] hci_req_cmd_complete: opcode 0xfc8e status 0x00
[ 639.232205] hci_sent_cmd_data: hci0 opcode 0xfc8e
[ 639.232210] hci_req_sync_complete: hci0 result 0x00
[ 639.232220] hci_cmd_complete_evt: hci0 opcode 0xfc8e
[ 639.232225] hci_req_cmd_complete: opcode 0xfc8e status 0x00
[ 639.232228] __hci_cmd_sync_ev: hci0 end: err 0
[ 639.232234] __hci_cmd_sync_ev: hci0
[ 639.232238] hci_req_add_ev: hci0 opcode 0xfc8e plen 250
[ 639.232242] hci_prepare_cmd: skb len 253
[ 639.232246] hci_req_run: length 1
[ 639.232250] hci_sent_cmd_data: hci0 opcode 0xfc8e
[ 639.232255] hci_req_sync_complete: hci0 result 0x00
[ 639.232266] hci_cmd_work: hci0 cmd_cnt 1 cmd queued 1
[ 639.232271] __hci_cmd_sync_ev: hci0 end: err 0
[ 639.232276] Bluetooth: hci0 sending Intel patch command (0xfc8e) failed (-61)
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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None of the BlueFRITZ! devices with manufacurer ID 31 (AVM Berlin)
support HCI_Read_Local_Supported_Commands. It is safe to use the
manufacturer ID (instead of e.g. a USB ID specific quirk) because the
company never created any newer controllers.
< HCI Command: Read Local Supported Comm.. (0x04|0x0002) plen 0 [hci0] 0.210014
> HCI Event: Command Status (0x0f) plen 4 [hci0] 0.217361
Read Local Supported Commands (0x04|0x0002) ncmd 1
Status: Unknown HCI Command (0x01)
Reported-by: Jörg Esser <jackfritt@boh.de>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Tested-by: Jörg Esser <jackfritt@boh.de>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Add support for the AR9462 chip
T: Bus=02 Lev=02 Prnt=02 Port=04 Cnt=01 Dev#= 4 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=0cf3 ProdID=e003 Rev=00.02
C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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If hci_dev_open() is called after hci_register_dev() added the device to
the hci_dev_list but before the workqueue are created we could run into a
NULL pointer dereference (see below).
This bug is very unlikely to happen, systems using bluetoothd to
manage their bluetooth devices will never see this happen.
BUG: unable to handle kernel NULL pointer dereference
0100
IP: [<ffffffff81077502>] __queue_work+0x32/0x3d0
(...)
Call Trace:
[<ffffffff81077be5>] queue_work_on+0x45/0x50
[<ffffffffa016e8ff>] hci_req_run+0xbf/0xf0 [bluetooth]
[<ffffffffa01709b0>] ? hci_init2_req+0x720/0x720 [bluetooth]
[<ffffffffa016ea06>] __hci_req_sync+0xd6/0x1c0 [bluetooth]
[<ffffffff8108ee10>] ? try_to_wake_up+0x2b0/0x2b0
[<ffffffff8150e3f0>] ? usb_autopm_put_interface+0x30/0x40
[<ffffffffa016fad5>] hci_dev_open+0x275/0x2e0 [bluetooth]
[<ffffffffa0182752>] hci_sock_ioctl+0x1f2/0x3f0 [bluetooth]
[<ffffffff815c6050>] sock_do_ioctl+0x30/0x70
[<ffffffff815c75f9>] sock_ioctl+0x79/0x2f0
[<ffffffff811a8046>] do_vfs_ioctl+0x96/0x560
[<ffffffff811a85a1>] SyS_ioctl+0x91/0xb0
[<ffffffff816d989d>] system_call_fastpath+0x1a/0x1f
Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Add support for the AR3012 chip.
T: Bus=03 Lev=01 Prnt=01 Port=06 Cnt=01 Dev#= 6 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=0cf3 ProdID=3121 Rev=00.02
C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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T: Bus=01 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#= 5 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=13d3 ProdID=3402 Rev= 0.02
S: Manufacturer=Atheros Communications
S: Product=Bluetooth USB Host Controller
S: SerialNumber=Alaska Day 2006
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=59701
Signed-off-by: Sujith Manoharan <sujith@msujith.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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PTR_ERR() returns a signed long type value which is limited by IS_ERR(),
it must be a negative number whose range is [-MAX_ERRNO, 0).
The bug here returns negative numbers as error codes, then check it by
"if (ret < 0)", but -PTR_ERR() is actually positive. The wrong use here
leads to failure as below, even panic.
[ 12.958920] Bluetooth: hci0 command 0xfc8e tx timeout
[ 14.961765] Bluetooth: hci0 command 0xfc8e tx timeout
[ 16.964688] Bluetooth: hci0 command 0xfc8e tx timeout
[ 20.954501] Bluetooth: hci0 sending Intel patch command (0xfc8e) failed (-110)
[ 22.957358] Bluetooth: hci0 command 0xfc8e tx timeout
[ 30.948922] Bluetooth: hci0 sending Intel patch command (0xfc8e) failed (-110)
[ 32.951780] Bluetooth: hci0 command 0xfc8e tx timeout
[ 40.943359] Bluetooth: hci0 sending Intel patch command (0xfc8e) failed (-110)
[ 42.946219] Bluetooth: hci0 command 0xfc8e tx timeout
[ 50.937812] Bluetooth: hci0 sending Intel patch command (0xfc8e) failed (-110)
[ 52.940670] Bluetooth: hci0 command 0xfc8e tx timeout
[ 60.932236] Bluetooth: hci0 sending Intel patch command (0xfc8e) failed (-110)
[ 62.935092] Bluetooth: hci0 command 0xfc8e tx timeout
[ 70.926688] Bluetooth: hci0 sending Intel patch command (0xfc8e) failed (-110)
[ 72.929545] Bluetooth: hci0 command 0xfc8e tx timeout
[ 80.921111] Bluetooth: hci0 sending Intel patch command (0xfc8e) failed (-110)
[ 82.923969] Bluetooth: hci0 command 0xfc2f tx timeout
[ 90.915542] Bluetooth: hci0 sending Intel patch command (0xfc2f) failed (-110)
[ 92.918406] Bluetooth: hci0 command 0xfc11 tx timeout
[ 100.909955] Bluetooth: hci0 sending Intel patch command (0xfc11) failed (-110)
[ 102.912858] Bluetooth: hci0 command 0xfc60 tx timeout
[ 110.904394] Bluetooth: hci0 sending Intel patch command (0xfc60) failed (-110)
[ 112.907293] Bluetooth: hci0 command 0xfc11 tx timeout
[ 120.898831] Bluetooth: hci0 exiting Intel manufacturer mode failed (-110)
[ 120.904757] bluetoothd[1030]: segfault at 4 ip 00007f8b2eb55236 sp 00007fff53ff6920 error 4 in bluetoothd[7f8b2eaff000+cb000]
Signed-off-by: Adam Lee <adam.lee@canonical.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Memory allocated by vmalloc (including stack) can not be used for DMA,
i.e. data pointer on usb_control_msg() should not point to stack memory.
Resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=977558
Reported-and-tested-by: Andy Lawrence <dr.diesel@gmail.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The Fujitsu Lifebook UH552/UH572 ships with a Qualcomm AR9462/AR3012
WLAN/BT-Combo card.
Add device ID to the ath3k driver to enable the bluetooth side of things.
Patch against v3.10.
T: Bus=03 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 3 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=04c5 ProdID=1330 Rev=00.02
C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
Signed-off-by: Thomas Loo <tloo@saltstorm.net>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The length check is invalid since the length varies with type of
info response.
This was introduced by the commit cb3b3152b2f5939d67005cff841a1ca748b19888
Because of this, l2cap info rsp is not handled and command reject is sent.
> ACL data: handle 11 flags 0x02 dlen 16
L2CAP(s): Info rsp: type 2 result 0
Extended feature mask 0x00b8
Enhanced Retransmission mode
Streaming mode
FCS Option
Fixed Channels
< ACL data: handle 11 flags 0x00 dlen 10
L2CAP(s): Command rej: reason 0
Command not understood
Cc: stable@vger.kernel.org
Signed-off-by: Jaganath Kanakkassery <jaganath.k@samsung.com>
Signed-off-by: Chan-Yeol Park <chanyeol.park@samsung.com>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Soon the coelho@ti.com email will not be valid anymore, so change it
to my private one.
Cc: Luciano Coelho <luca@coelho.fi>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We missed bss_mode check for P2P client.
Signed-off-by: Stone Piao <piaoyun@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes an issue wherein adhoc rates were being copied
into association request from P2P client.
Cc: <stable@vger.kernel.org> # 3.10.y
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Stone Piao <piaoyun@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes an issue wherein association would fail on P2P
interfaces. This happened because we are checking priv->mode
against NL80211_IFTYPE_STATION. While this check is correct for
infrastructure stations, it would fail P2P clients for which mode
is NL80211_IFTYPE_P2P_CLIENT.
Better check would be bss_role which has only 2 values: STA/AP.
Cc: <stable@vger.kernel.org> # 3.10.y
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Stone Piao <piaoyun@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
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The current regdomain was not always set by the core. This causes
cards with a custom regulatory domain to ignore user initiated changes
if done before the card was registered.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Acked-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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My commit:
commit 12e7f517029dad819c45eca9ca01fdb9ba57616b
Author: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Thu Feb 28 10:55:26 2013 +0100
mac80211: cleanup generic suspend/resume procedures
removed check for deleting MONITOR and AP_VLAN when suspend. That can
cause a crash (i.e. in iwlagn_mac_remove_interface()) since we remove
interface in the driver that we did not add before.
Reference:
http://marc.info/?l=linux-kernel&m=137391815113860&w=2
Bisected-by: Ortwin Glück <odi@odi.ch>
Reported-and-tested-by: Ortwin Glück <odi@odi.ch>
Cc: stable@vger.kernel.org # 3.10
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This patch is intended to avoid the buffering to non-assoc mesh STA
and also to avoid the triggering of frame to non-assoc mesh STA which
could cause kernel panic in specific hw.
One of the examples, is kernel panic happens to ath9k if user space
inserts the mesh STA and not proceed with the SAE and AMPE, and later
the same mesh STA is detected again. The sta_state of the mesh STA remains
at IEEE80211_STA_NONE and if the ieee80211_sta_ps_deliver_wakeup is called
and subsequently the ath_tx_aggr_wakeup, the kernel panic due to
ath_tx_node_init is not called before to initialize the require data
structures.
This issue is reported by Cedric Voncken before.
http://www.spinics.net/lists/linux-wireless/msg106342.html
[<831ea6b4>] ath_tx_aggr_wakeup+0x44/0xcc [ath9k]
[<83084214>] ieee80211_sta_ps_deliver_wakeup+0xb8/0x208 [mac80211]
[<830b9824>] ieee80211_mps_sta_status_update+0x94/0x108 [mac80211]
[<83099398>] ieee80211_sta_ps_transition+0xc94/0x34d8 [mac80211]
[<8022399c>] nf_iterate+0x98/0x104
[<8309bb60>] ieee80211_sta_ps_transition+0x345c/0x34d8 [mac80211]
Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
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If we forget to do so, we can't send HCMD to firmware while
the NIC is in RFKILL state.
Cc: stable@vger.kernel.org
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When a not fully started aggregation session is destroyed
and flushed, we get a warning, e.g.
WARNING: at drivers/net/wireless/iwlwifi/pcie/tx.c:1142 iwl_trans_pcie_txq_disable+0x11c/0x160
queue 16 not used
Modules linked in: [...]
Pid: 5135, comm: hostapd Tainted: G W O 3.5.0 #10
Call Trace:
wlan0: driver sets block=0 for sta 00:03:7f:10:44:d3
[<ffffffff81036492>] warn_slowpath_common+0x72/0xa0
[<ffffffff81036577>] warn_slowpath_fmt+0x47/0x50
[<ffffffffa0368d6c>] iwl_trans_pcie_txq_disable+0x11c/0x160 [iwlwifi]
[<ffffffffa03a2099>] iwl_mvm_sta_tx_agg_flush+0xe9/0x150 [iwlmvm]
[<ffffffffa0396c43>] iwl_mvm_mac_ampdu_action+0xf3/0x1e0 [iwlmvm]
[<ffffffffa0293ad3>] ___ieee80211_stop_tx_ba_session+0x193/0x920 [mac80211]
[<ffffffffa0294ed8>] __ieee80211_stop_tx_ba_session+0x48/0x70 [mac80211]
[<ffffffffa029159f>] ieee80211_sta_tear_down_BA_sessions+0x4f/0x80 [mac80211]
[<ffffffffa028a686>] __sta_info_destroy+0x66/0x370 [mac80211]
[<ffffffffa028abb4>] sta_info_destroy_addr_bss+0x44/0x70 [mac80211]
[<ffffffffa02a3e26>] ieee80211_del_station+0x26/0x50 [mac80211]
[<ffffffffa01e6395>] nl80211_del_station+0x85/0x200 [cfg80211]
when a station deauthenticated from us without fully setting
up the aggregation session.
Fix this by checking the aggregation state before removing
the hardware queue.
Cc: stable@vger.kernel.org
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The managed interface PS was not disabled when a GO interface
was added. As a consequence, when the station VMAC was in PS,
the GO also was not on the medium. Fix this.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This allows to clean all kinds of bad state it might be in.
This solves situation where HW RFkill was switched while
the NIC was offline.
Until now, we relied on the firmware to do clean the
interrupt, but new firmwares don't do that any more.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Set SSID bitmap for direct scan even on passive channels,
for the passive-to-active feature. Without this patch only
the SSID from probe request template is sent on passive
channels, after passive-to-active switching, causing us to
not find all desired networks.
Remove the unused passive scan mask constant.
Cc: stable@vger.kernel.org
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Unfortunately, the firmware only supports replay counters for
a single GTK in D3, so that we should only upload the last
key and use its replay counters. Since mac80211 key iteration
will walk through the keys in order of their addition, simply
use the same HW key index (1) for all GTKs, thus overwriting
previous ones with newer ones. The replay counters for it are
already used.
Reviewed-by: Yaron Vaknin <Yaron.Vaknin@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This SKU was missing in the list of supported devices
https://bugzilla.kernel.org/show_bug.cgi?id=60577
Cc: <stable@vger.kernel.org> [all versions]
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The git tree is in github.com nowadays.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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I forgot to add an entry to MAINTAINERS when submitting the driver.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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If NO_DMA=y:
drivers/built-in.o: In function `ath10k_skb_unmap':
drivers/net/wireless/ath/ath10k/core.h:98: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath10k_skb_map':
drivers/net/wireless/ath/ath10k/core.h:83: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath10k/core.h:86: undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `ath10k_htt_rx_ring_free':
drivers/net/wireless/ath/ath10k/htt_rx.c:113: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath10k_htt_rx_amsdu_pop':
drivers/net/wireless/ath/ath10k/htt_rx.c:296: undefined reference to `dma_unmap_single'
drivers/net/wireless/ath/ath10k/htt_rx.c:389: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `__ath10k_htt_rx_ring_fill_n':
drivers/net/wireless/ath/ath10k/htt_rx.c:146: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath10k/htt_rx.c:150: undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `ath10k_htt_rx_attach':
drivers/net/wireless/ath/ath10k/htt_rx.c:474: undefined reference to `dma_alloc_coherent'
drivers/net/wireless/ath/ath10k/htt_rx.c:509: undefined reference to `dma_free_coherent'
drivers/net/wireless/ath/ath10k/htt_rx.c:514: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `ath10k_htt_rx_detach':
drivers/net/wireless/ath/ath10k/htt_rx.c:220: undefined reference to `dma_unmap_single'
drivers/net/wireless/ath/ath10k/htt_rx.c:228: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `ath10k_skb_map':
drivers/net/wireless/ath/ath10k/core.h:83: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath10k/core.h:86: undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `ath10k_skb_unmap':
drivers/net/wireless/ath/ath10k/core.h:98: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath10k_skb_map':
drivers/net/wireless/ath/ath10k/core.h:83: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath10k/core.h:86: undefined reference to `dma_mapping_error'
drivers/net/wireless/ath/ath10k/core.h:83: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath10k/core.h:86: undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `ath10k_skb_unmap':
drivers/net/wireless/ath/ath10k/core.h:98: undefined reference to `dma_unmap_single'
drivers/net/wireless/ath/ath10k/core.h:98: undefined reference to `dma_unmap_single'
drivers/net/wireless/ath/ath10k/core.h:98: undefined reference to `dma_unmap_single'
drivers/net/wireless/ath/ath10k/core.h:98: undefined reference to `dma_unmap_single'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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