| Commit message (Collapse) | Author | Age |
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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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Since we clear QUEUE_STARTED in rt2x00queue_stop_queue(), following
call to rt2x00queue_pause_queue() reduce to noop, i.e we do not
stop queue in mac80211.
To fix that introduce rt2x00queue_pause_queue_nocheck() function,
which will stop queue in mac80211 directly.
Note that rt2x00_start_queue() explicitly set QUEUE_PAUSED bit.
Note also that reordering operations i.e. first call to
rt2x00queue_pause_queue() and then clear QUEUE_STARTED bit, will race
with rt2x00queue_unpause_queue(), so calling ieee80211_stop_queue()
directly is the only available solution to fix the problem without
major rework.
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When the brcmfmac device is physically removed cfg80211 gives a
warning upon unregistering the net device (see below).
[23052.390197] WARNING: CPU: 0 PID: 30 at net/wireless/core.c:937 cfg80211_netdev_notifier_call+0x164/0x600 [cfg80211]()
[23052.400843] Modules linked in: brcmfmac(O) brcmutil(O) cfg80211(O) pl2303 usbserial binfmt_misc snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event lpc_ich snd_seq snd_timer snd_seq_device snd psmouse mfd_core serio_raw soundcore snd_page_alloc intel_ips dell_laptop dell_wmi sparse_keymap dcdbas nouveau ttm drm_kms_helper drm i2c_algo_bit mxm_wmi ahci libahci sdhci_pci firewire_ohci firewire_core sdhci crc_itu_t mmc_core intel_agp intel_gtt e1000e ptp pps_core agpgart video [last unloaded: brcmfmac]
[23052.452987] CPU: 0 PID: 30 Comm: khubd Tainted: G O 3.11.0-rc1-wl-testing-lockdep-00002-g41cc093-dirty #1
[23052.463480] Hardware name: Dell Inc. Latitude E6410/07XJP9, BIOS A07 02/15/2011
[23052.470852] 00000000 00000000 f4efdc18 c1522e3d f845bed2 f4efdc48 c103fbe4 c16a9254
[23052.478762] 00000000 0000001e f845bed2 000003a9 f841da44 f841da44 f3790004 f25539c0
[23052.486741] e2700200 f4efdc58 c103fc22 00000009 00000000 f4efdcc0 f841da44 00000002
[23052.494712] Call Trace:
[23052.497165] [<c1522e3d>] dump_stack+0x4b/0x66
[23052.501685] [<c103fbe4>] warn_slowpath_common+0x84/0xa0
[23052.507085] [<f841da44>] ? cfg80211_netdev_notifier_call+0x164/0x600 [cfg80211]
[23052.514542] [<f841da44>] ? cfg80211_netdev_notifier_call+0x164/0x600 [cfg80211]
[23052.521981] [<c103fc22>] warn_slowpath_null+0x22/0x30
[23052.527191] [<f841da44>] cfg80211_netdev_notifier_call+0x164/0x600 [cfg80211]
[23052.534494] [<c150abe8>] ? packet_notifier+0xc8/0x1d0
[23052.539703] [<c150abfc>] ? packet_notifier+0xdc/0x1d0
[23052.544880] [<c150ab20>] ? packet_seq_stop+0x30/0x30
[23052.550002] [<c152d655>] notifier_call_chain+0x45/0x60
[23052.555298] [<c106839f>] raw_notifier_call_chain+0x1f/0x30
[23052.560963] [<c143c693>] call_netdevice_notifiers_info+0x33/0x70
[23052.567153] [<c1459869>] ? qdisc_destroy+0x99/0xb0
[23052.572116] [<c143c6e3>] call_netdevice_notifiers+0x13/0x20
[23052.577861] [<c143df93>] rollback_registered_many+0xf3/0x1d0
[23052.583687] [<c1524cfc>] ? mutex_lock_nested+0x25c/0x350
[23052.589150] [<c143e0f4>] rollback_registered+0x24/0x40
[23052.594445] [<c143e15f>] unregister_netdevice_queue+0x4f/0xb0
[23052.600344] [<c143e299>] unregister_netdev+0x19/0x30
[23052.605484] [<f865b38f>] brcmf_del_if+0xbf/0x160 [brcmfmac]
[23052.611223] [<f865b7ae>] brcmf_detach+0x5e/0xd0 [brcmfmac]
[23052.616881] [<f8667413>] brcmf_usb_disconnect+0x63/0xa0 [brcmfmac]
[23052.623217] [<c13e09aa>] usb_unbind_interface+0x4a/0x180
When the device is physically connected the driver sends a disassoc
command to the device and response triggers the driver to inform cfg80211
about it. However, with the device removed the disassoc command fails.
This patch adds a call to cfg80211_disconnected() when that command fails.
The warning was added by commit below and also cleans up, but better
doing it in the driver if only to get rid of the warning.
commit f9bef3df52fe61067e4c1c6cfb2037cb6b259a6a
Author: Ben Greear <greearb@candelatech.com>
Date: Wed Jun 19 14:06:26 2013 -0700
wireless: check for dangling wdev->current_bss pointer
Cc: Ben Greear <greearb@candelatech.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Both type and pkt_len variables are in host endian and these should be in
Little Endian in the payload.
Signed-off-by: Tomasz Moń <desowin@gmail.com>
Acked-by: Bing Zhao <bzhao@marvell.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If there is no querier on a link then we won't get periodic reports and
therefore won't be able to learn about multicast listeners behind ports,
potentially leading to lost multicast packets, especially for multicast
listeners that joined before the creation of the bridge.
These lost multicast packets can appear since c5c23260594
("bridge: Add multicast_querier toggle and disable queries by default")
in particular.
With this patch we are flooding multicast packets if our querier is
disabled and if we didn't detect any other querier.
A grace period of the Maximum Response Delay of the querier is added to
give multicast responses enough time to arrive and to be learned from
before disabling the flooding behaviour again.
Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Self explanitory dma_mapping_error addition to the 8139 driver, based on this:
https://bugzilla.redhat.com/show_bug.cgi?id=947250
It showed several backtraces arising for dma_map_* usage without checking the
return code on the mapping. Add the check and abort the rx/tx operation if its
failed. Untested as I have no hardware and the reporter has wandered off, but
seems pretty straightforward.
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The "pvc" struct has a hole after pvc.sap_family which is not cleared.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
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- fix the conversion between cpu and __le32
- replace some pla_ocp and usb_ocp functions with generic_ocp function
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allocate the required memory before calling usb_control_msg. And
the additional memory copy is necessary.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace 0 with the result from usbnet_cdc_bind().
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Don't replace the usb_control_msg() with usbnet_{read,write}_cmd()
which couldn't be called inside suspend/resume callback. Keep the
basic functions unlimited. Instead, using usb_autopm_get_interface()
and usb_autopm_put_interface() in r815x_mdio_{read,write}().
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some USB buffers use stack which may not be DMA-able.
Use the buffers from kmalloc to replace those one.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull nfsd bugfixes from Bruce Fields:
"Most of this is due to a screwup on my part -- some gss-proxy crashes
got fixed before the merge window but somehow never made it out of a
temporary git repo on my laptop...."
* 'for-3.11' of git://linux-nfs.org/~bfields/linux:
svcrpc: set cr_gss_mech from gss-proxy as well as legacy upcall
svcrpc: fix kfree oops in gss-proxy code
svcrpc: fix gss-proxy xdr decoding oops
svcrpc: fix gss_rpc_upcall create error
NFSD/sunrpc: avoid deadlock on TCP connection due to memory pressure.
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The change made to rsc_parse() in
0dc1531aca7fd1440918bd55844a054e9c29acad "svcrpc: store gss mech in
svc_cred" should also have been propagated to the gss-proxy codepath.
This fixes a crash in the gss-proxy case.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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mech_oid.data is an array, not kmalloc()'d memory.
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Uninitialized stack data was being used as the destination for memcpy's.
Longer term we'll just delete some of this code; all we're doing is
skipping over xdr that we don't care about.
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Since we enabled auto-tuning for sunrpc TCP connections we do not
guarantee that there is enough write-space on each connection to
queue a reply.
If memory pressure causes the window to shrink too small, the request
throttling in sunrpc/svc will not accept any requests so no more requests
will be handled. Even when pressure decreases the window will not
grow again until data is sent on the connection.
This means we get a deadlock: no requests will be handled until there
is more space, and no space will be allocated until a request is
handled.
This can be simulated by modifying svc_tcp_has_wspace to inflate the
number of byte required and removing the 'svc_sock_setbufsize' calls
in svc_setup_socket.
I found that multiplying by 16 was enough to make the requirement
exceed the default allocation. With this modification in place:
mount -o vers=3,proto=tcp 127.0.0.1:/home /mnt
would block and eventually time out because the nfs server could not
accept any requests.
This patch relaxes the request throttling to always allow at least one
request through per connection. It does this by checking both
sk_stream_min_wspace() and xprt->xpt_reserved
are zero.
The first is zero when the TCP transmit queue is empty.
The second is zero when there are no RPC requests being processed.
When both of these are zero the socket is idle and so one more
request can safely be allowed through.
Applying this patch allows the above mount command to succeed cleanly.
Tracing shows that the allocated write buffer space quickly grows and
after a few requests are handled, the extra tests are no longer needed
to permit further requests to be processed.
The main purpose of request throttling is to handle the case when one
client is slow at collecting replies and the send queue gets full of
replies that the client hasn't acknowledged (at the TCP level) yet.
As we only change behaviour when the send queue is empty this main
purpose is still preserved.
Reported-by: Ben Myers <bpm@sgi.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fix from Guenter Roeck:
"Fix chip initialization/configuration in MAX6697 driver"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (max6697) fix MAX6581 ideality
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Without this patch, the values for ideality (register 0x4b) and ideality
selection mask (register 0x4c) are inverted.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Cc: stable@vger.kernel.org # 3.9+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Pull arm fixes fixes from Russell King:
"This fixes a couple of problems with commit 48be69a026b2 ("ARM: move
signal handlers into a vdso-like page"), one of which was originally
discovered via my testing originally, but the fix for it was never
actually committed.
The other shows up on noMMU builds, and such platforms are extremely
rare and as such are not part of my nightly testing"
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: fix nommu builds with 48be69a02 (ARM: move signal handlers into a vdso-like page)
ARM: fix a cockup in 48be69a02 (ARM: move signal handlers into a vdso-like page)
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vdso-like page)
Olof reports that noMMU builds error out with:
arch/arm/kernel/signal.c: In function 'setup_return':
arch/arm/kernel/signal.c:413:25: error: 'mm_context_t' has no member named 'sigpage'
This shows one of the evilnesses of IS_ENABLED(). Get rid of it here
and replace it with #ifdef's - and as no noMMU platform can make use
of sigpage, depend on CONIFG_MMU not CONFIG_ARM_MPU.
Reported-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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