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[ Upstream commit 639b08810d6ad74ded2c5f6e233c4fcb9d147168 ]
When accessing Xenstore in a transaction the user is specifying a
transaction id which he normally obtained from Xenstore when starting
the transaction. Xenstore is validating a transaction id against all
known transaction ids of the connection the request came in. As all
requests of a domain not being the one where Xenstore lives share
one connection, validation of transaction ids of different users of
Xenstore in that domain should be done by the kernel of that domain
being the multiplexer between the Xenstore users in that domain and
Xenstore.
In order to prohibit one Xenstore user "hijacking" a transaction from
another user the xenbus driver has to verify a given transaction id
against all known transaction ids of the user before forwarding it to
Xenstore.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit dadab2d4e3cf708ceba22ecddd94aedfecb39199 ]
If NO_DMA=y:
ERROR: "bad_dma_ops" [drivers/spi/spi-fsl-dspi.ko] undefined!
Add a dependency on HAS_DMA to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 91ca1a8c584f55857b1f6ab20a1d3a1ce7a559bb ]
At the end of function ad7150_write_event_config(), directly returns 0.
As a result, the errors will be ignored by the callers. It may be better
to return variable "ret".
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit db4e5376d058af8924fafd0520a0942d92538d0e ]
In function cm3232_reg_init(), it returns 0 even if the last call to
i2c_smbus_write_byte_data() returns a negative value (indicates error).
As a result, the return value may be inconsistent with the execution
status, and the caller of cm3232_reg_init() will not be able to detect
the error. This patch fixes the bug.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188641
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 3db93756b501e5f0a3951c79cfa9ed43c26d3455 ]
mm->color_adjust() compares the hole with its neighbouring nodes. They
only abutt before we restrict the hole, so we have to apply color_adjust
before we apply the range restriction.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161222083641.2691-36-chris@chris-wilson.co.uk
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 7cfe0455ee1218add152e986b89b4bb8dbeafcdd ]
The cts protection vdev parameter, in new QCA9377 TF2.0 firmware,
requires bss peer to be created for the STATION vdev type.
bss peer is being allocated by the firmware after vdev_start/_up commands.
mac80211 may call the cts protection setup at any time, so the
we needs to track the situation and defer the cts configuration
to prevent firmware asserts, like below:
[00]: 0x05020001 0x000015B3 0x0099ACE2 0x00955B31
[04]: 0x0099ACE2 0x00060730 0x00000004 0x00000000
[08]: 0x0044C754 0x00412C10 0x00000000 0x00409C54
[12]: 0x00000009 0x00000000 0x00952F6C 0x00952F77
[16]: 0x00952CC4 0x00910712 0x00000000 0x00000000
[20]: 0x4099ACE2 0x0040E858 0x00421254 0x004127F4
[24]: 0x8099B9B2 0x0040E8B8 0x00000000 0xC099ACE2
[28]: 0x800B75CB 0x0040E8F8 0x00000007 0x00005008
[32]: 0x809B048A 0x0040E958 0x00000010 0x00433B10
[36]: 0x809AFBBC 0x0040E9A8 0x0042BB74 0x0042BBBC
[40]: 0x8091D252 0x0040E9C8 0x0042BBBC 0x00000001
[44]: 0x809FFA45 0x0040EA78 0x0043D3E4 0x0042C2C8
[48]: 0x809FCEF4 0x0040EA98 0x0043D3E4 0x00000001
[52]: 0x80911210 0x0040EAE8 0x00000010 0x004041D0
[56]: 0x80911154 0x0040EB28 0x00400000 0x00000000
Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 097e46d2ae90265d1afe141ba6208ba598b79e01 ]
ath10k_wmi_tlv_op_pull_fw_stats() uses tb = ath10k_wmi_tlv_parse_alloc(...)
function, which allocates memory. If any of the three error-paths are
taken, this tb needs to be freed.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit d2e202c06ca42d353d95df12437740921a6d05b5 ]
With command to get board_id from otp, in the case of following
boot get otp board id result 0x00000000 board_id 0 chip_id 0
boot using board name 'bus=pci,bmi-chip-id=0,bmi-board-id=0"
...
failed to fetch board data for bus=pci,bmi-chip-id=0,bmi-board-id=0 from
ath10k/QCA6174/hw3.0/board-2.bin
The invalid board_id=0 will be used as index to search in the board-2.bin.
Ignore the case with board_id=0, as it means the otp is not carrying
the board id information.
Signed-off-by: Ryan Hsu <ryanhsu@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 88407beb1b1462f706a1950a355fd086e1c450b6 ]
Ath10k reports the phy capability that supports P2P_DEVICE interface.
When we use the P2P supported wpa_supplicant to start connection, it'll
create two interfaces, one is wlan0 (vdev_id=0) and one is P2P_DEVICE
p2p-dev-wlan0 which is for p2p control channel (vdev_id=1).
ath10k_pci mac vdev create 0 (add interface) type 2 subtype 0
ath10k_add_interface: vdev_id: 0, txpower: 0, bss_power: 0
...
ath10k_pci mac vdev create 1 (add interface) type 2 subtype 1
ath10k_add_interface: vdev_id: 1, txpower: 0, bss_power: 0
And the txpower in per vif bss_conf will only be set to valid tx power when
the interface is assigned with channel_ctx.
But this P2P_DEVICE interface will never be used for any connection, so
that the uninitialized bss_conf.txpower=0 is assinged to the
arvif->txpower when interface created.
Since the txpower configuration is firmware per physical interface.
So the smallest txpower of all vifs will be the one limit the tx power
of the physical device, that causing the low txpower issue on other
active interfaces.
wlan0: Limiting TX power to 21 (24 - 3) dBm
ath10k_pci mac vdev_id 0 txpower 21
ath10k_mac_txpower_recalc: vdev_id: 1, txpower: 0
ath10k_mac_txpower_recalc: vdev_id: 0, txpower: 21
ath10k_pci mac txpower 0
This issue only happens when we use the wpa_supplicant that supports
P2P or if we use the iw tool to create the control P2P_DEVICE interface.
Signed-off-by: Ryan Hsu <ryanhsu@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 7357f89954b6d005df6ab8929759e78d7d9a80f9 ]
I reported the include issue for tracepoints a while ago, but nothing
seems to have happened. Now it bit us, since the drm_mm_print
conversion was broken for armada. Fix it, so I can re-enable armada
in the drm-misc build configs.
v2: Rebase just the compile fix on top of Chris' build fix.
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Acked: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1483115932-19584-1-git-send-email-daniel.vetter@ffwll.ch
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 107fded7bf616ad6f46823d98b8ed6405d7adf2d ]
In a few cases the err-variable is not set to a negative error code if a
function call in typhoon_init_one() fails and thus 0 is returned
instead.
It may be better to set err to the appropriate negative error
code before returning.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188841
Reported-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Thomas Preisner <thomas.preisner+linux@fau.de>
Signed-off-by: Milan Stephan <milan.stephan+linux@fau.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 6b6bbb5922a4b1d4b58125a572da91010295fba3 ]
In some cases the return value of a failing function is not being used
and the function typhoon_init_one() returns another negative error code
instead.
Signed-off-by: Thomas Preisner <thomas.preisner+linux@fau.de>
Signed-off-by: Milan Stephan <milan.stephan+linux@fau.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit fc318d64f3d91e15babac00e08354b1beb650b57 ]
The zx_dma driver supports cyclic transfer mode. Let's set DMA_CYCLIC
cap_mask bit to make that clear, and avoid unnecessary failure when
clients request channel via dma_request_chan_by_mask() with DMA_CYCLIC
bit set in mask.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 977509f7c5c6fb992ffcdf4291051af343b91645 ]
Previously we didn't check the type of device before trying to apply Type 1
(PCI-X) or Type 2 (PCIe) Setting Records from _HPX.
We don't support PCI-X Setting Records, so this was harmless, but the
warning was useless.
We do support PCIe Setting Records, and we didn't check whether a device
was PCIe before applying settings. I don't think anything bad happened on
non-PCIe devices because pcie_capability_clear_and_set_word(),
pcie_cap_has_lnkctl(), etc., would fail before doing any harm. But it's
ugly to depend on those internals.
Check the device type before attempting to apply Type 1 and Type 2 Setting
Records (Type 0 records are applicable to PCI, PCI-X, and PCIe devices).
A side benefit is that this prevents useless "not supported" warnings when
a BIOS supplies a Type 1 (PCI-X) Setting Record and we try to apply it to
every single device:
pci 0000:00:00.0: PCI-X settings not supported
After this patch, we'll get the warning only when a BIOS supplies a Type 1
record and we have a PCI-X device to which it should be applied.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=187731
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 19110cfbb34d4af0cdfe14cd243f3b09dc95b013 upstream.
Lennart reported the following race condition:
\ e1000_watchdog_task
\ e1000e_has_link
\ hw->mac.ops.check_for_link() === e1000e_check_for_copper_link
/* link is up */
mac->get_link_status = false;
/* interrupt */
\ e1000_msix_other
hw->mac.get_link_status = true;
link_active = !hw->mac.get_link_status
/* link_active is false, wrongly */
This problem arises because the single flag get_link_status is used to
signal two different states: link status needs checking and link status is
down.
Avoid the problem by using the return value of .check_for_link to signal
the link status to e1000e_has_link().
Reported-by: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>
Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d3509f8bc7b0560044c15f0e3ecfde1d9af757a6 upstream.
All the helpers return -E1000_ERR_PHY.
Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c4c40e51f9c32c6dd8adf606624c930a1c4d9bbb upstream.
In case of error from e1e_rphy(), the loop will exit early and "success"
will be set to true erroneously.
Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7978db344719dab1e56d05e6fc04aaaddcde0a5e upstream.
The for_each_available_child_of_node() loop in _of_add_opp_table_v2()
doesn't drop the reference to "np" on errors. Fix that.
Fixes: 274659029c9d (PM / OPP: Add support to parse "operating-points-v2" bindings)
Signed-off-by: Tobias Jordan <Tobias.Jordan@elektrobit.com>
[ VK: Improved commit log. ]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9cac9d2fb2fe0e0cadacdb94415b3fe49e3f724f upstream.
VIDIOC_DQEVENT and VIDIOC_QUERY_EXT_CTRL should give the same output for
the control flags field.
This patch creates a new function user_flags(), that calculates the user
exported flags value (which is different than the kernel internal flags
structure). This function is then used by all the code that exports the
internal flags to userspace.
Reported-by: Dimitrios Katsaros <patcherwork@gmail.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6c3b047fa2d2286d5e438bcb470c7b1a49f415f6 upstream.
Make sure to check that we actually have an Interface Association
Descriptor before dereferencing it during probe to avoid dereferencing a
NULL-pointer.
Fixes: e0d3bafd0258 ("V4L/DVB (10954): Add cx231xx USB driver")
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3e45067f94bbd61dec0619b1c32744eb0de480c8 upstream.
The ioctl LIRC_SET_REC_TIMEOUT would set a timeout of 704ns if called
with a timeout of 4294968us.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b3120d2cc447ee77b9d69bf4ad7b452c9adb4d39 upstream.
Firmware load on AS102 is using the stack which is not allowed any
longer. We currently fail with:
kernel: transfer buffer not dma capable
kernel: ------------[ cut here ]------------
kernel: WARNING: CPU: 0 PID: 598 at drivers/usb/core/hcd.c:1595 usb_hcd_map_urb_for_dma+0x41d/0x620
kernel: Modules linked in: amd64_edac_mod(-) edac_mce_amd as102_fe dvb_as102(+) kvm_amd kvm snd_hda_codec_realtek dvb_core snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec irqbypass crct10dif_pclmul crc32_pclmul snd_hda_core snd_hwdep snd_seq ghash_clmulni_intel sp5100_tco fam15h_power wmi k10temp i2c_piix4 snd_seq_device snd_pcm snd_timer parport_pc parport tpm_infineon snd tpm_tis soundcore tpm_tis_core tpm shpchp acpi_cpufreq xfs libcrc32c amdgpu amdkfd amd_iommu_v2 radeon hid_logitech_hidpp i2c_algo_bit drm_kms_helper crc32c_intel ttm drm r8169 mii hid_logitech_dj
kernel: CPU: 0 PID: 598 Comm: systemd-udevd Not tainted 4.13.10-200.fc26.x86_64 #1
kernel: Hardware name: ASUS All Series/AM1I-A, BIOS 0505 03/13/2014
kernel: task: ffff979933b24c80 task.stack: ffffaf83413a4000
kernel: RIP: 0010:usb_hcd_map_urb_for_dma+0x41d/0x620
systemd-fsck[659]: /dev/sda2: clean, 49/128016 files, 268609/512000 blocks
kernel: RSP: 0018:ffffaf83413a7728 EFLAGS: 00010282
systemd-udevd[604]: link_config: autonegotiation is unset or enabled, the speed and duplex are not writable.
kernel: RAX: 000000000000001f RBX: ffff979930bce780 RCX: 0000000000000000
kernel: RDX: 0000000000000000 RSI: ffff97993ec0e118 RDI: ffff97993ec0e118
kernel: RBP: ffffaf83413a7768 R08: 000000000000039a R09: 0000000000000000
kernel: R10: 0000000000000001 R11: 00000000ffffffff R12: 00000000fffffff5
kernel: R13: 0000000001400000 R14: 0000000000000001 R15: ffff979930806800
kernel: FS: 00007effaca5c8c0(0000) GS:ffff97993ec00000(0000) knlGS:0000000000000000
kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kernel: CR2: 00007effa9fca962 CR3: 0000000233089000 CR4: 00000000000406f0
kernel: Call Trace:
kernel: usb_hcd_submit_urb+0x493/0xb40
kernel: ? page_cache_tree_insert+0x100/0x100
kernel: ? xfs_iunlock+0xd5/0x100 [xfs]
kernel: ? xfs_file_buffered_aio_read+0x57/0xc0 [xfs]
kernel: usb_submit_urb+0x22d/0x560
kernel: usb_start_wait_urb+0x6e/0x180
kernel: usb_bulk_msg+0xb8/0x160
kernel: as102_send_ep1+0x49/0xe0 [dvb_as102]
kernel: ? devres_add+0x3f/0x50
kernel: as102_firmware_upload.isra.0+0x1dc/0x210 [dvb_as102]
kernel: as102_fw_upload+0xb6/0x1f0 [dvb_as102]
kernel: as102_dvb_register+0x2af/0x2d0 [dvb_as102]
kernel: as102_usb_probe+0x1f3/0x260 [dvb_as102]
kernel: usb_probe_interface+0x124/0x300
kernel: driver_probe_device+0x2ff/0x450
kernel: __driver_attach+0xa4/0xe0
kernel: ? driver_probe_device+0x450/0x450
kernel: bus_for_each_dev+0x6e/0xb0
kernel: driver_attach+0x1e/0x20
kernel: bus_add_driver+0x1c7/0x270
kernel: driver_register+0x60/0xe0
kernel: usb_register_driver+0x81/0x150
kernel: ? 0xffffffffc0807000
kernel: as102_usb_driver_init+0x1e/0x1000 [dvb_as102]
kernel: do_one_initcall+0x50/0x190
kernel: ? __vunmap+0x81/0xb0
kernel: ? kfree+0x154/0x170
kernel: ? kmem_cache_alloc_trace+0x15f/0x1c0
kernel: ? do_init_module+0x27/0x1e9
kernel: do_init_module+0x5f/0x1e9
kernel: load_module+0x2602/0x2c30
kernel: SYSC_init_module+0x170/0x1a0
kernel: ? SYSC_init_module+0x170/0x1a0
kernel: SyS_init_module+0xe/0x10
kernel: do_syscall_64+0x67/0x140
kernel: entry_SYSCALL64_slow_path+0x25/0x25
kernel: RIP: 0033:0x7effab6cf3ea
kernel: RSP: 002b:00007fff5cfcbbc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000af
kernel: RAX: ffffffffffffffda RBX: 00005569e0b83760 RCX: 00007effab6cf3ea
kernel: RDX: 00007effac2099c5 RSI: 0000000000009a13 RDI: 00005569e0b98c50
kernel: RBP: 00007effac2099c5 R08: 00005569e0b83ed0 R09: 0000000000001d80
kernel: R10: 00007effab98db00 R11: 0000000000000246 R12: 00005569e0b98c50
kernel: R13: 00005569e0b81c60 R14: 0000000000020000 R15: 00005569dfadfdf7
kernel: Code: 48 39 c8 73 30 80 3d 59 60 9d 00 00 41 bc f5 ff ff ff 0f 85 26 ff ff ff 48 c7 c7 b8 6b d0 92 c6 05 3f 60 9d 00 01 e8 24 3d ad ff <0f> ff 8b 53 64 e9 09 ff ff ff 65 48 8b 0c 25 00 d3 00 00 48 8b
kernel: ---[ end trace c4cae366180e70ec ]---
kernel: as10x_usb: error during firmware upload part1
Let's allocate the the structure dynamically so we can get the firmware
loaded correctly:
[ 14.243057] as10x_usb: firmware: as102_data1_st.hex loaded with success
[ 14.500777] as10x_usb: firmware: as102_data2_st.hex loaded with success
Signed-off-by: Michele Baldessari <michele@acksyn.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 0a9a17e3bb4564caf4bfe2a6783ae1287667d188 upstream.
This patch fixes an issue seen on Power systems with ixgbe which results
in skb list corruption and an eventual kernel oops. The following is what
was observed:
CPU 1 CPU2
============================ ============================
1: ixgbe_xmit_frame_ring ixgbe_clean_tx_irq
2: first->skb = skb eop_desc = tx_buffer->next_to_watch
3: ixgbe_tx_map read_barrier_depends()
4: wmb check adapter written status bit
5: first->next_to_watch = tx_desc napi_consume_skb(tx_buffer->skb ..);
6: writel(i, tx_ring->tail);
The read_barrier_depends is insufficient to ensure that tx_buffer->skb does not
get loaded prior to tx_buffer->next_to_watch, which then results in loading
a stale skb pointer. This patch replaces the read_barrier_depends with
smp_rmb to ensure loads are ordered with respect to the load of
tx_buffer->next_to_watch.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7b8edcc685b5e2c3c37aa13dc50a88e84a5bfef8 upstream.
The original issue being fixed in this patch was seen with the ixgbe
driver, but the same issue exists with fm10k as well, as the code is
very similar. read_barrier_depends is not sufficient to ensure
loads following it are not speculatively loaded out of order
by the CPU, which can result in stale data being loaded, causing
potential system crashes.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f72271e2a0ae4277d53c4053f5eed8bb346ba38a upstream.
The original issue being fixed in this patch was seen with the ixgbe
driver, but the same issue exists with i40evf as well, as the code is
very similar. read_barrier_depends is not sufficient to ensure
loads following it are not speculatively loaded out of order
by the CPU, which can result in stale data being loaded, causing
potential system crashes.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ae0c585d93dfaf923d2c7eb44b2c3ab92854ea9b upstream.
The original issue being fixed in this patch was seen with the ixgbe
driver, but the same issue exists with ixgbevf as well, as the code is
very similar. read_barrier_depends is not sufficient to ensure
loads following it are not speculatively loaded out of order
by the CPU, which can result in stale data being loaded, causing
potential system crashes.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1e1f9ca546556e508d021545861f6b5fc75a95fe upstream.
The original issue being fixed in this patch was seen with the ixgbe
driver, but the same issue exists with igbvf as well, as the code is
very similar. read_barrier_depends is not sufficient to ensure
loads following it are not speculatively loaded out of order
by the CPU, which can result in stale data being loaded, causing
potential system crashes.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c4cb99185b4cc96c0a1c70104dc21ae14d7e7f28 upstream.
The original issue being fixed in this patch was seen with the ixgbe
driver, but the same issue exists with igb as well, as the code is
very similar. read_barrier_depends is not sufficient to ensure
loads following it are not speculatively loaded out of order
by the CPU, which can result in stale data being loaded, causing
potential system crashes.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 52c6912fde0133981ee50ba08808f257829c4c93 upstream.
The original issue being fixed in this patch was seen with the ixgbe
driver, but the same issue exists with i40e as well, as the code is
very similar. read_barrier_depends is not sufficient to ensure
loads following it are not speculatively loaded out of order
by the CPU, which can result in stale data being loaded, causing
potential system crashes.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8a0d18c62121d3c554a83eb96e2752861d84d937 upstream.
This patch fixes the following kernel crash:
general protection fault: 0000 [#1] PREEMPT SMP
Workqueue: ib_mad2 timeout_sends [ib_core]
Call Trace:
ib_sa_path_rec_callback+0x1c4/0x1d0 [ib_core]
send_handler+0xb2/0xd0 [ib_core]
timeout_sends+0x14d/0x220 [ib_core]
process_one_work+0x200/0x630
worker_thread+0x4e/0x3b0
kthread+0x113/0x150
Fixes: commit aef9ec39c47f ("IB: Add SCSI RDMA Protocol (SRP) initiator")
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c70ca38960399a63d5c048b7b700612ea321d17e upstream.
Make srpt_parse_i_port_id() return a negative value if hex2bin()
fails.
Fixes: commit a42d985bd5b2 ("ib_srpt: Initial SRP Target merge for v3.3-rc1")
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c1fb3542074fd0c4d901d778bd52455111e4eb6f upstream.
For the same reason that /proc/iomem returns 0's for non-root readers
and acpi tables are root-only, make the 'resource' attribute for
namespace devices only readable by root. Otherwise we disclose physical
address information.
Fixes: bf9bccc14c05 ("libnvdimm: pmem label sets and namespace instantiation")
Reported-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b18d4b8a25af6fe83d7692191d6ff962ea611c4f upstream.
The set of valid sequence numbers is {1,2,3}. The specification
indicates that an implementation should consider 0 a sign of a critical
error:
UEFI 2.7: 13.19 NVDIMM Label Protocol
Software never writes the sequence number 00, so a correctly
check-summed Index Block with this sequence number probably indicates a
critical error. When software discovers this case it treats it as an
invalid Index Block indication.
While the expectation is that the invalid block is just thrown away, the
Robustness Principle says we should fix this to make both sequence
numbers valid.
Fixes: f524bf271a5c ("libnvdimm: write pmem label set")
Reported-by: Juston Li <juston.li@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 33ec6dbc5a02677509d97fe36cd2105753f0f0ea upstream.
Fix child node-lookup during probe, which ended up searching the whole
device tree depth-first starting at parent rather than just matching on
its children.
Note that the original premature free of the parent node has already
been fixed separately, but that fix was apparently never backported to
stable.
Fixes: 9ac33b0ce81f ("CLK: TI: Driver for DRA7 ATL (Audio Tracking Logic)")
Fixes: 660e15519399 ("clk: ti: dra7-atl-clock: Fix of_node reference counting")
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 660e1551939931657808d47838a3f443c0e83fd0 upstream.
of_find_node_by_name() will call of_node_put() on the node so we need to
get it first to avoid warnings.
The cfg_node needs to be put after we have finished processing the
properties.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1c79df1f349fb6050016cea4ef1dfbc3853a5685 upstream.
This patch fixes a bug during QUEUE_FULL where transport_complete_qf()
calls transport_complete_task_attr() after it's already been invoked
by target_complete_ok_work() or transport_generic_request_failure()
during initial completion, preceeding QUEUE_FULL.
This will result in se_device->simple_cmds, se_device->dev_cur_ordered_id
and/or se_device->dev_ordered_sync being updated multiple times for
a single se_cmd.
To address this bug, clear SCF_TASK_ATTR_SET after the first call
to transport_complete_task_attr(), and avoid updating SCSI task
attribute related counters for any subsequent calls.
Also, when a se_cmd is deferred due to ordered tags and executed
via target_restart_delayed_cmds(), set CMD_T_SENT before execution
matching what target_execute_cmd() does.
Cc: Michael Cyr <mikecyr@linux.vnet.ibm.com>
Cc: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
Cc: Mike Christie <mchristi@redhat.com>
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3fc9fb13a4b2576aeab86c62fd64eb29ab68659c upstream.
This patch fixes a se_cmd->cmd_kref reference leak that can
occur when a non immediate TMR is proceeded our of command
sequence number order, and CMDSN_LOWER_THAN_EXP is returned
by iscsit_sequence_cmd().
To address this bug, call target_put_sess_cmd() during this
special case following what iscsit_process_scsi_cmd() does
upon CMDSN_LOWER_THAN_EXP.
Cc: Mike Christie <mchristi@redhat.com>
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 11d49e9d089ccec81be87c2386dfdd010d7f7f6e upstream.
we are advancing sg as we go, so the pages we need to drop in
case of error are *before* the current sg.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f1601113ddc0339a745e702f4fb1ca37d4875e65 upstream.
When tracing ata link error event, the kernel crashes when the disk is
removed due to NULL pointer access by trace_ata_eh_link_autopsy API.
This occurs as the dev is NULL when the disk disappeared. This patch
fixes this crash by calling trace_ata_eh_link_autopsy only if "dev"
is not NULL.
v2 changes:
Removed direct passing "link" pointer instead of "dev" in trace API.
Signed-off-by: Rameshwar Prasad Sahu <rsahu@apm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Fixes: 255c03d15a29 ("libata: Add tracepoints")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3f2a162fab15aee243178b5308bb5d1206fc4043 upstream.
We set rtlhal->last_suspend_sec to an uninitialized stack variable,
but unfortunately gcc never warned about this, I only found it
while working on another patch. I opened a gcc bug for this.
Presumably the value of rtlhal->last_suspend_sec is not all that
important, but it does get used, so we probably want the
patch backported to stable kernels.
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82839
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 519ce2f933fa14acf69d5c8cabcc18711943d629 upstream.
In routine rtl92ee_set_fw_rsvdpagepkt(), the driver allocates an skb, but
never calls rtl_cmd_send_packet(), which will free the buffer. All other
rtlwifi drivers perform this operation correctly.
This problem has been in the driver since it was included in the kernel.
Fortunately, each firmware load only leaks 4 buffers, which likely
explains why it has not previously been detected.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 91af8300d9c1d7c6b6a2fd754109e08d4798b8d8 upstream.
In bcache code, sysfs entries are created before all resources get
allocated, e.g. allocation thread of a cache set.
There is posibility for NULL pointer deference if a resource is accessed
but which is not initialized yet. Indeed Jorg Bornschein catches one on
cache set allocation thread and gets a kernel oops.
The reason for this bug is, when bch_bucket_alloc() is called during
cache set registration and attaching, ca->alloc_thread is not properly
allocated and initialized yet, call wake_up_process() on ca->alloc_thread
triggers NULL pointer deference failure. A simple and fast fix is, before
waking up ca->alloc_thread, checking whether it is allocated, and only
wake up ca->alloc_thread when it is not NULL.
Signed-off-by: Coly Li <colyli@suse.de>
Reported-by: Jorg Bornschein <jb@capsec.org>
Cc: Kent Overstreet <kent.overstreet@gmail.com>
Reviewed-by: Michael Lyle <mlyle@lyle.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b9a41d21dceadf8104812626ef85dc56ee8a60ed upstream.
The following BUG_ON was hit when testing repeat creation and removal of
DM devices:
kernel BUG at drivers/md/dm.c:2919!
CPU: 7 PID: 750 Comm: systemd-udevd Not tainted 4.1.44
Call Trace:
[<ffffffff81649e8b>] dm_get_from_kobject+0x34/0x3a
[<ffffffff81650ef1>] dm_attr_show+0x2b/0x5e
[<ffffffff817b46d1>] ? mutex_lock+0x26/0x44
[<ffffffff811df7f5>] sysfs_kf_seq_show+0x83/0xcf
[<ffffffff811de257>] kernfs_seq_show+0x23/0x25
[<ffffffff81199118>] seq_read+0x16f/0x325
[<ffffffff811de994>] kernfs_fop_read+0x3a/0x13f
[<ffffffff8117b625>] __vfs_read+0x26/0x9d
[<ffffffff8130eb59>] ? security_file_permission+0x3c/0x44
[<ffffffff8117bdb8>] ? rw_verify_area+0x83/0xd9
[<ffffffff8117be9d>] vfs_read+0x8f/0xcf
[<ffffffff81193e34>] ? __fdget_pos+0x12/0x41
[<ffffffff8117c686>] SyS_read+0x4b/0x76
[<ffffffff817b606e>] system_call_fastpath+0x12/0x71
The bug can be easily triggered, if an extra delay (e.g. 10ms) is added
between the test of DMF_FREEING & DMF_DELETING and dm_get() in
dm_get_from_kobject().
To fix it, we need to ensure the test of DMF_FREEING & DMF_DELETING and
dm_get() are done in an atomic way, so _minor_lock is used.
The other callers of dm_get() have also been checked to be OK: some
callers invoke dm_get() under _minor_lock, some callers invoke it under
_hash_lock, and dm_start_request() invoke it after increasing
md->open_count.
Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 74d4108d9e681dbbe4a2940ed8fdff1f6868184c upstream.
The default max_cache_size_bytes for dm-bufio is meant to be the lesser
of 25% of the size of the vmalloc area and 2% of the size of lowmem.
However, on 32-bit systems the intermediate result in the expression
(VMALLOC_END - VMALLOC_START) * DM_BUFIO_VMALLOC_PERCENT / 100
overflows, causing the wrong result to be computed. For example, on a
32-bit system where the vmalloc area is 520093696 bytes, the result is
1174405 rather than the expected 130023424, which makes the maximum
cache size much too small (far less than 2% of lowmem). This causes
severe performance problems for dm-verity users on affected systems.
Fix this by using mult_frac() to correctly multiply by a percentage. Do
this for all places in dm-bufio that multiply by a percentage. Also
replace (VMALLOC_END - VMALLOC_START) with VMALLOC_TOTAL, which contrary
to the comment is now defined in include/linux/vmalloc.h.
Depends-on: 9993bc635 ("sched/x86: Fix overflow in cyc2ns_offset")
Fixes: 95d402f057f2 ("dm: add bufio")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 392a17b10ec4320d3c0e96e2a23ebaad1123b989 upstream.
When I set the timeout to a specific value such as 500ms, the timeout
event will not happen in time due to the overflow in function
check_msg_timeout:
...
ent->timeout -= timeout_period;
if (ent->timeout > 0)
return;
...
The type of timeout_period is long, but ent->timeout is unsigned long.
This patch makes the type consistent.
Reported-by: Weilong Chen <chenweilong@huawei.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Weilong Chen <chenweilong@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch is a fix specific to the 3.19 - 4.4 kernels. The 4.5 kernel
inadvertently fixed this bug differently (db3cbfff5bcc0), but is not
a stable candidate due it being a complicated re-write of the entire
feature.
This patch fixes a potential timing bug with nvme's asynchronous queue
deletion, which causes an allocated request to be accidentally released
due to the ordering of the shared completion context among the sq/cq
pair. The completion context saves the request that issued the queue
deletion. If the submission side deletion happens to reset the active
request, the completion side will release the wrong request tag back into
the pool of available tags. This means the driver will create multiple
commands with the same tag, corrupting the queue context.
The error is observable in the kernel logs like:
"nvme XX:YY:ZZ completed id XX twice on qid:0"
In this particular case, this message occurs because the queue is
corrupted.
The following timing sequence demonstrates the error:
CPU A CPU B
----------------------- -----------------------------
nvme_irq
nvme_process_cq
async_completion
queue_kthread_work -----------> nvme_del_sq_work_handler
nvme_delete_cq
adapter_async_del_queue
nvme_submit_admin_async_cmd
cmdinfo->req = req;
blk_mq_free_request(cmdinfo->req); <-- wrong request!!!
This patch fixes the bug by releasing the request in the completion side
prior to waking the submission thread, such that that thread can't muck
with the shared completion context.
Fixes: a4aea5623d4a5 ("NVMe: Convert to blk-mq")
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2a71de2f7366fb1aec632116d0549ec56d6a3940 upstream.
Commit 348f9bb31c56 ("serial: omap: Fix RTS handling") sought to enable
auto RTS upon manual RTS assertion and disable it on deassertion.
However it seems the latter was done incorrectly, it clears all bits in
the Extended Features Register *except* auto RTS.
Fixes: 348f9bb31c56 ("serial: omap: Fix RTS handling")
Cc: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit cc54c1d32e6a4bb3f116721abf900513173e4d02 ]
This patch try to fix the building error on MIPS. The reason is MIPS
has already defined the LONG macro, which conflicts with the LONG enum
in drivers/net/ethernet/fealnx.c.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit b5f862180d7011d9575d0499fa37f0f25b423b12 ]
After commit 07f4c90062f8 ("tcp/dccp: try to not exhaust ip_local_port_range
in connect()"), we will try to use even ports for connect(). Then if an
application (seen clearly with iperf) opens multiple streams to the same
destination IP and port, each stream will be given an even source port.
So the bonding driver's simple xmit_hash_policy based on layer3+4 addressing
will always hash all these streams to the same interface. And the total
throughput will limited to a single slave.
Change the tcp code will impact the whole tcp behavior, only for bonding
usage. Paolo Abeni suggested fix this by changing the bonding code only,
which should be more reasonable, and less impact.
Fix this by discarding the lowest hash bit because it contains little entropy.
After the fix we can re-balance between slaves.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 74d471b598444b7f2d964930f7234779c80960a0 upstream.
Make sure to free the port private data before returning after a failed
probe attempt.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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