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The X-Powers AXP813 PMIC is normally used with Allwinner's A83T SoC.
It has the same range of functions as other X-Powers PMICs, such as
DC-DC buck converter and linear regulator outputs, AC-IN and VBUS
power supplies, power button trigger, GPIOs, ADCs, and a battery
charger.
Note that the IRQ table given in the datasheet is incorrect: in IRQ
enable/status registers 1, there are separate IRQs for ACIN and VBUS,
instead of bits [7:5] being the same as bits [4:2]. So it shares the
same IRQs as the AXP803, rather than the AXP288.
This patch adds basic mfd support for it, with only the power button
enabled.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The binding already lists compatibles and regulators for the AXP806,
but it is missing from the list of supported chips at the beginning.
Add it.
Fixes: 204ae2963e10 ("mfd: axp20x: Add bindings for AXP806 PMIC")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add the MFD part of the ROHM BD9571MWV-M PMIC driver and MAINTAINERS
entry. The MFD part only specifies the regmap bits for the PMIC and
binds the subdevs together.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add support for HiSilicon Hi6421v530 PMIC. Hi6421v530 communicates with
main SoC via memory-mapped I/O.
Hi6421v530 and Hi6421 are PMIC chips from the same vendor, HiSilicon,
but at different revisions. They share the same memory-mapped I/O
design. They differ in integrated devices, such as regulator details,
LDO voltage points.
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Wang Xiaoyin <hw.wangxiaoyin@hisilicon.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Update dev_err messages to make them more readable.
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Change license text to a shorter form of GPLv2.
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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MTF_CORE should be enabled when driver is enabled.
Without this patch you can configure:
CONFIG_MFD_CORE is not set
CONFIG_MFD_TPS65086=y
... which ends up with compilation error:
drivers/mfd/tps65086.o: In function `tps65086_probe':
drivers/mfd/tps65086.c:110: undefined reference to `mfd_add_devices'
drivers/mfd/tps65086.c:110:(.text+0x128): relocation truncated to fit: \
R_AARCH64_CALL26 against undefined symbol `mfd_add_devices'
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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A new compatible string is introduced for SMC on sama5d2 to manage a
different layout of the registers.
Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
│Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/sysfs.h> work with const
attribute_group. So mark the non-const structs as const.
File size before:
text data bss dec hex filename
16298 1009 184 17491 4453 drivers/mfd/ab8500-core.o
File size After adding 'const':
text data bss dec hex filename
16490 817 184 17491 4453 drivers/mfd/ab8500-core.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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DA9052 allows using the touchscreen input pins as general purpose
analogue input pin by wiring analogue inputs to X+, X-, Y+ and Y-
and providing a reference voltage at TSIREF pin.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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if 'max8998_i2c_parse_dt_pdata() fails (when out of memory), a NULL
pointer dereference will occur in the error handling code.
Return directly instead.
Fixes: ee999fb3f17f("mfd: max8998: Add support for Device Tree")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Drop static on a local variable, when the variable is initialized before
any use, on every possible execution path through the function. The static
has no benefit, and dropping it reduces the code size.
The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@bad exists@
position p;
identifier x;
type T;
@@
static T x@p;
...
x = <+...x...+>
@@
identifier x;
expression e;
type T;
position p != bad.p;
@@
-static
T x@p;
... when != x
when strict
?x = e;
// </smpl>
The change in code size is indicates by the following output from the size
command.
before:
text data bss dec hex filename
2579 240 16 2835 b13 drivers/mfd/max8925-i2c.o
after:
text data bss dec hex filename
2531 240 8 2779 adb drivers/mfd/max8925-i2c.o
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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It is possible that under heavy system load, the counter in the completion
struct, used for waiting for end of AD conversion, gets incremented twice.
To make sure the driver recovers from this situation, the completion struct
should be reinitialized.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Don't populate the arrays depath and cd_mask on the stack but make
them static const. Makes the object code smaller:
text data bss dec hex filename
25413 7216 448 33077 8135 drivers/mfd/rtsx_pcr.o
text data bss dec hex filename
25151 7360 448 32959 80bf drivers/mfd/rtsx_pcr.o
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Saying it "returns the result" seems tautological. The read function
does not return num_bytes on success, it returns zero on success. I
noticed this discrepancy because some of the callers were checking for
>= 0.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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'ib-mfd-hwmon-4.14', 'ib-mfd-iio-pwm-4.14', 'ib-mfd-input-rtc-4.14', 'ib-mfd-many-4.14' and 'ib-mfd-pinctrl-regulator-4.14' into ibs-for-mfd-merged
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STM32 ADC supports hardware triggers like STM32 Low-Power Timer.
For instance, STM32H7 ADC may be triggered by instances 1, 2 or 3.
Add hardware triggered mode so Low-Power Timer Trigger driver can
validate device.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add support for STM32 Low-Power Timer, that can be used as counter
or quadrature encoder.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add documentation for STMicroelectronics STM32 Low-Power Timer
quadrature encoder and counter binding.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add support for LPTIMx_OUT triggers that can be found on some STM32
devices. These triggers can be used then by ADC or DAC.
Typical usage is to configure LPTimer as PWM output (via pwm-stm32-lp)
and have synchronised analog conversions with these triggers.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add documentation for STMicroelectronics STM32 Low-Power Timer Trigger
binding.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add documentation for STMicroelectronics STM32 Low-Power Timer
PWM binding.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add support for single PWM channel on Low-Power Timer, that can be
found on some STM32 platforms.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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STM32 Low-Power Timer hardware block can be used for:
- PWM generation
- IIO trigger (in sync with PWM)
- IIO quadrature encoder counter
PWM and IIO timer configuration are mixed in the same registers so
we need a multi fonction driver to be able to share those registers.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add documentation for STMicroelectronics STM32 Low-Power Timer binding.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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include/linux/i2c is not for client devices. Move the header file to a
more appropriate location.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Pull MIPS fixes from Ralf Baechle:
"The two indirect syscall fixes have sat in linux-next for a few days.
I did check back with a hardware designer to ensure a SYNC is really
what's required for the GIC fix and so the GIC fix didn't make it into
to linux-next in time for this final pull request.
It builds in local build tests and passes Imagination's test system"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
irqchip: mips-gic: SYNC after enabling GIC region
MIPS: Remove pt_regs adjustments in indirect syscall handler
MIPS: seccomp: Fix indirect syscall args
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
- Expand the space for uncompressing as the LZ4 worst case does not fit
into the currently reserved space
- Validate boot parameters more strictly to prevent out of bound access
in the decompressor/boot code
- Fix off by one errors in get_segment_base()
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: Prevent faulty bootparams.screeninfo from causing harm
x86/boot: Provide more slack space during decompression
x86/ldt: Fix off by one in get_segment_base()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"A single fix for a thinko in the raw timekeeper update which causes
clock MONOTONIC_RAW to run with erratically increased frequency"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
time: Fix ktime_get_raw() incorrect base accumulation
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner:
- Prevent a potential inconistency in the perf user space access which
might lead to evading sanity checks.
- Prevent perf recording function trace entries twice
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/ftrace: Fix double traces of perf on ftrace:function
perf/core: Fix potential double-fetch bug
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Pull cifs version warning fix from Steve French:
"As requested, additional kernel warning messages to clarify the
default dialect changes"
[ There is still some discussion about exactly which version should be
the new default. Longer-term we have auto-negotiation coming, but
that's not there yet.. - Linus ]
* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
Fix warning messages when mounting to older servers
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A couple of late-arriving fixes before final 4.13:
- A few reverts of DT bindings on Allwinner for their ethernet
driver. Discussion didn't converge, and since bindings are
considered ABI it makes sense to revert instead of having to
support two bindings long-term.
- A fix to enumerate GPIOs properly on Marvell Armada AP806"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: dts: marvell: fix number of GPIOs in Armada AP806 description
arm: dts: sunxi: Revert EMAC changes
arm64: dts: allwinner: Revert EMAC changes
dt-bindings: net: Revert sun8i dwmac binding
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mvebu fixes for 4.13 (part 3)
Fix number of GPIOs in AP806 description for Armada 7K/8K
* tag 'mvebu-fixes-4.13-3' of git://git.infradead.org/linux-mvebu:
arm64: dts: marvell: fix number of GPIOs in Armada AP806 description
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"The ismt driver had a problem with a rarely used transaction type and
the designware driver was made even more robust against non standard
ACPI tables"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: designware: Round down ACPI provided clk to nearest supported clk
i2c: ismt: Return EMSGSIZE for block reads with bogus length
i2c: ismt: Don't duplicate the receive length for block reads
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The race was introduced by me in commit 971316f0503a ("epoll:
ep_unregister_pollwait() can use the freed pwq->whead"). I did not
realize that nothing can protect eventpoll after ep_poll_callback() sets
->whead = NULL, only whead->lock can save us from the race with
ep_free() or ep_remove().
Move ->whead = NULL to the end of ep_poll_callback() and add the
necessary barriers.
TODO: cleanup the ewake/EPOLLEXCLUSIVE logic, it was confusing even
before this patch.
Hopefully this explains use-after-free reported by syzcaller:
BUG: KASAN: use-after-free in debug_spin_lock_before
...
_raw_spin_lock_irqsave+0x4a/0x60 kernel/locking/spinlock.c:159
ep_poll_callback+0x29f/0xff0 fs/eventpoll.c:1148
this is spin_lock(eventpoll->lock),
...
Freed by task 17774:
...
kfree+0xe8/0x2c0 mm/slub.c:3883
ep_free+0x22c/0x2a0 fs/eventpoll.c:865
Fixes: 971316f0503a ("epoll: ep_unregister_pollwait() can use the freed pwq->whead")
Reported-by: 范龙飞 <long7573@126.com>
Cc: stable@vger.kernel.org
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull networking fixes from David Miller:
1) Fix handling of pinned BPF map nodes in hash of maps, from Daniel
Borkmann.
2) IPSEC ESP error paths leak memory, from Steffen Klassert.
3) We need an RCU grace period before freeing fib6_node objects, from
Wei Wang.
4) Must check skb_put_padto() return value in HSR driver, from FLorian
Fainelli.
5) Fix oops on PHY probe failure in ftgmac100 driver, from Andrew
Jeffery.
6) Fix infinite loop in UDP queue when using SO_PEEK_OFF, from Eric
Dumazet.
7) Use after free when tcf_chain_destroy() called multiple times, from
Jiri Pirko.
8) Fix KSZ DSA tag layer multiple free of SKBS, from Florian Fainelli.
9) Fix leak of uninitialized memory in sctp_get_sctp_info(),
inet_diag_msg_sctpladdrs_fill() and inet_diag_msg_sctpaddrs_fill().
From Stefano Brivio.
10) L2TP tunnel refcount fixes from Guillaume Nault.
11) Don't leak UDP secpath in udp_set_dev_scratch(), from Yossi
Kauperman.
12) Revert a PHY layer change wrt. handling of PHY_HALTED state in
phy_stop_machine(), it causes regressions for multiple people. From
Florian Fainelli.
13) When packets are sent out of br0 we have to clear the
offload_fwdq_mark value.
14) Several NULL pointer deref fixes in packet schedulers when their
->init() routine fails. From Nikolay Aleksandrov.
15) Aquantium devices cannot checksum offload correctly when the packet
is <= 60 bytes. From Pavel Belous.
16) Fix vnet header access past end of buffer in AF_PACKET, from
Benjamin Poirier.
17) Double free in probe error paths of nfp driver, from Dan Carpenter.
18) QOS capability not checked properly in DCB init paths of mlx5
driver, from Huy Nguyen.
19) Fix conflicts between firmware load failure and health_care timer in
mlx5, also from Huy Nguyen.
20) Fix dangling page pointer when DMA mapping errors occur in mlx5,
from Eran Ben ELisha.
21) ->ndo_setup_tc() in bnxt_en driver doesn't count rings properly,
from Michael Chan.
22) Missing MSIX vector free in bnxt_en, also from Michael Chan.
23) Refcount leak in xfrm layer when using sk_policy, from Lorenzo
Colitti.
24) Fix copy of uninitialized data in qlge driver, from Arnd Bergmann.
25) bpf_setsockopts() erroneously always returns -EINVAL even on
success. Fix from Yuchung Cheng.
26) tipc_rcv() needs to linearize the SKB before parsing the inner
headers, from Parthasarathy Bhuvaragan.
27) Fix deadlock between link status updates and link removal in netvsc
driver, from Stephen Hemminger.
28) Missed locking of page fragment handling in ESP output, from Steffen
Klassert.
29) Fix refcnt leak in ebpf congestion control code, from Sabrina
Dubroca.
30) sxgbe_probe_config_dt() doesn't check devm_kzalloc()'s return value,
from Christophe Jaillet.
31) Fix missing ipv6 rx_dst_cookie update when rx_dst is updated during
early demux, from Paolo Abeni.
32) Several info leaks in xfrm_user layer, from Mathias Krause.
33) Fix out of bounds read in cxgb4 driver, from Stefano Brivio.
34) Properly propagate obsolete state of route upwards in ipv6 so that
upper holders like xfrm can see it. From Xin Long.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (118 commits)
udp: fix secpath leak
bridge: switchdev: Clear forward mark when transmitting packet
mlxsw: spectrum: Forbid linking to devices that have uppers
wl1251: add a missing spin_lock_init()
Revert "net: phy: Correctly process PHY_HALTED in phy_stop_machine()"
net: dsa: bcm_sf2: Fix number of CFP entries for BCM7278
kcm: do not attach PF_KCM sockets to avoid deadlock
sch_tbf: fix two null pointer dereferences on init failure
sch_sfq: fix null pointer dereference on init failure
sch_netem: avoid null pointer deref on init failure
sch_fq_codel: avoid double free on init failure
sch_cbq: fix null pointer dereferences on init failure
sch_hfsc: fix null pointer deref and double free on init failure
sch_hhf: fix null pointer dereference on init failure
sch_multiq: fix double free on init failure
sch_htb: fix crash on init failure
net/mlx5e: Fix CQ moderation mode not set properly
net/mlx5e: Fix inline header size for small packets
net/mlx5: E-Switch, Unload the representors in the correct order
net/mlx5e: Properly resolve TC offloaded ipv6 vxlan tunnel source address
...
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Pull ceph fix from Ilya Dryomov:
"ceph fscache page locking fix from Zheng, marked for stable"
* tag 'ceph-for-4.13-rc8' of git://github.com/ceph/ceph-client:
ceph: fix readpage from fscache
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"Just a couple drivers fixes (Synaptics PS/2, Xpad)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: xpad - fix PowerA init quirk for some gamepad models
Input: synaptics - fix device info appearing different on reconnect
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull two more MMC fixes from Ulf Hansson:
"MMC core:
- Fix block status codes
MMC host:
- sdhci-xenon: Fix SD bus voltage select"
* tag 'mmc-v4.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-xenon: add set_power callback
mmc: block: Fix block status codes
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Three regression fixes that should be addressed before the final
release: a missing mutex call in OSS PCM emulation ioctl, ASoC rt5670
headset detection breakage, and a regression in simple-card parser
code"
* tag 'sound-4.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: simple_card_utils: fix fallback when "label" property isn't present
ALSA: pcm: Fix power lock unbalance via OSS emulation
ASoC: rt5670: Fix GPIO headset detection regression
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
"Three more bug fixes for v4.13.
The two memory management related fixes are quite new, they fix kernel
crashes that can be triggered by user space.
The third commit fixes a bug in the vfio ccw translation code"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/mm: fix BUG_ON in crst_table_upgrade
s390/mm: fork vs. 5 level page tabel
vfio: ccw: fix bad ptr math for TIC cda translation
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"This fixes the following issues:
- Regression in chacha20 handling of chunked input
- Crash in algif_skcipher when used with async io
- Potential bogus pointer dereference in lib/mpi"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: algif_skcipher - only call put_page on referenced and used pages
crypto: testmgr - add chunked test cases for chacha20
crypto: chacha20 - fix handling of chunked input
lib/mpi: kunmap after finishing accessing buffer
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After commit dce4551cb2ad ("udp: preserve head state for IP_CMSG_PASSSEC")
we preserve the secpath for the whole skb lifecycle, but we also
end up leaking a reference to it.
We must clear the head state on skb reception, if secpath is
present.
Fixes: dce4551cb2ad ("udp: preserve head state for IP_CMSG_PASSSEC")
Signed-off-by: Yossi Kuperman <yossiku@mellanox.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 6bc506b4fb06 ("bridge: switchdev: Add forward mark support for
stacked devices") added the 'offload_fwd_mark' bit to the skb in order
to allow drivers to indicate to the bridge driver that they already
forwarded the packet in L2.
In case the bit is set, before transmitting the packet from each port,
the port's mark is compared with the mark stored in the skb's control
block. If both marks are equal, we know the packet arrived from a switch
device that already forwarded the packet and it's not re-transmitted.
However, if the packet is transmitted from the bridge device itself
(e.g., br0), we should clear the 'offload_fwd_mark' bit as the mark
stored in the skb's control block isn't valid.
This scenario can happen in rare cases where a packet was trapped during
L3 forwarding and forwarded by the kernel to a bridge device.
Fixes: 6bc506b4fb06 ("bridge: switchdev: Add forward mark support for stacked devices")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Yotam Gigi <yotamg@mellanox.com>
Tested-by: Yotam Gigi <yotamg@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mlxsw driver relies on NETDEV_CHANGEUPPER events to configure the
device in case a port is enslaved to a master netdev such as bridge or
bond.
Since the driver ignores events unrelated to its ports and their
uppers, it's possible to engineer situations in which the device's data
path differs from the kernel's.
One example to such a situation is when a port is enslaved to a bond
that is already enslaved to a bridge. When the bond was enslaved the
driver ignored the event - as the bond wasn't one of its uppers - and
therefore a bridge port instance isn't created in the device.
Until such configurations are supported forbid them by checking that the
upper device doesn't have uppers of its own.
Fixes: 0d65fc13042f ("mlxsw: spectrum: Implement LAG port join/leave")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Nogah Frankel <nogahf@mellanox.com>
Tested-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When mounting to older servers, such as Windows XP (or even Windows 7),
the limited error messages that can be passed back to user space can
get confusing since the default dialect has changed from SMB1 (CIFS) to
more secure SMB3 dialect. Log additional information when the user chooses
to use the default dialects and when the server does not support the
dialect requested.
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
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git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Two cifs bug fixes for stable"
* tag 'cifs-fixes-for-4.13-rc7-and-stable' of git://git.samba.org/sfrench/cifs-2.6:
CIFS: remove endian related sparse warning
CIFS: Fix maximum SMB2 header size
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Pull block fixes from Jens Axboe:
"Unfortunately a few issues that warrant sending another pull request,
even if I had hoped to avoid it. This contains:
- A fix for multiqueue xen-blkback, on tear down / disconnect.
- A few fixups for NVMe, including a wrong bit definition, fix for
host memory buffers, and an nvme rdma page size fix"
* 'for-linus' of git://git.kernel.dk/linux-block:
nvme: fix the definition of the doorbell buffer config support bit
nvme-pci: use dma memory for the host memory buffer descriptors
nvme-rdma: default MR page size to 4k
xen-blkback: stop blkback thread of every queue in xen_blkif_disconnect
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- A couple fixes for bugs introduced as part of the blk_status_t block
layer changes during the 4.13 merge window
- A printk throttling fix to use discrete rate limiting state for each
DM log level
- A stable@ fix for DM multipath that delays request requeueing to
avoid CPU lockup if/when the request queue is "dying"
* tag 'for-4.13/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm mpath: do not lock up a CPU with requeuing activity
dm: fix printk() rate limiting code
dm mpath: retry BLK_STS_RESOURCE errors
dm: fix the second dec_pending() argument in __split_and_process_bio()
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