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This dedicated driver allows to support SoC specific clock
settings and helps to ensure proper number of channels gets
negotiated in multicodec system configurations.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This patch adds DT binding documentation for Odroid XU3/4
sound subsystem.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Eric Dumazet says:
====================
net: use skb_cow_head() to deal with cloned skbs
James Hughes found an issue with smsc95xx driver. Same problematic code
is found in other drivers.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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We can use skb_cow_head() to properly deal with clones,
especially the ones coming from TCP stack that allow their head being
modified. This avoids a copy.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Hughes <james.hughes@raspberrypi.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to ensure there is enough headroom to push extra header,
but we also need to check if we are allowed to change headers.
skb_cow_head() is the proper helper to deal with this.
Fixes: 4a476bd6d1d9 ("usbnet: New driver for QinHeng CH9200 devices")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Hughes <james.hughes@raspberrypi.org>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to ensure there is enough headroom to push extra header,
but we also need to check if we are allowed to change headers.
skb_cow_head() is the proper helper to deal with this.
Fixes: 55d7de9de6c3 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Hughes <james.hughes@raspberrypi.org>
Cc: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to ensure there is enough headroom to push extra header,
but we also need to check if we are allowed to change headers.
skb_cow_head() is the proper helper to deal with this.
Fixes: c9b37458e956 ("USB2NET : SR9700 : One chip USB 1.1 USB2NET SR9700Device Driver Support")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Hughes <james.hughes@raspberrypi.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to ensure there is enough headroom to push extra header,
but we also need to check if we are allowed to change headers.
skb_cow_head() is the proper helper to deal with this.
Fixes: cc28a20e77b2 ("introduce cx82310_eth: Conexant CX82310-based ADSL router USB ethernet driver")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Hughes <james.hughes@raspberrypi.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to ensure there is enough headroom to push extra header,
but we also need to check if we are allowed to change headers.
skb_cow_head() is the proper helper to deal with this.
Fixes: d0cad871703b ("smsc75xx: SMSC LAN75xx USB gigabit ethernet adapter driver")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Hughes <james.hughes@raspberrypi.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The icmpv6_param_prob() function already does a kfree_skb(),
this patch removes the duplicate one.
Fixes: 1ababeba4a21f3dba3da3523c670b207fb2feb62 ("ipv6: implement dataplane support for rthdr type 4 (Segment Routing Header)")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David Lebrun <david.lebrun@uclouvain.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The clock names for the two supported codecs are either
"mi2s-*" name variants generated by code. This naming scheme
does not work for platforms like MSM8660 which has I2S channels
named CODEC_I2S_SPKR (rather than just "MI2S tertiary" and other
repetitive names) and consequently have clocks named
"codec-i2s-spkr-osr-clk" and similar.
Skip the runtime generation of clock names and replace it with
name lookup tables encoded into the variant data.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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On the chip the IMON signal is a full 24-bits however normally only
some of the bits will be sent over the bus. The chip provides a field
to select which bits of the IMON will be sent back, this is the only
feedback signal that has this feature.
Add an additional entry to the cirrus,imon device tree property to
allow the IMON scale parameter to be passed.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Brian Austin <brian.austin@cirrus.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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We need to use the _safe() version of list_for_each_entry() here because
of the kfree(modules).
Fixes: b8c722ddd548 ("ASoC: Intel: Skylake: Add support for deferred DSP module bind")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The direction argument is of type enum dma_transfer_direction, and
not enum dma_data_direction. The enumeration values are the same
so this did not had an effect in practise.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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We should not select drivers that depend on I2C when that is disabled,
as it results in a build error:
warning: (SND_SOC_MT2701_WM8960) selects SND_SOC_WM8960 which has unmet direct dependencies (SOUND && !M68K && !UML && SND && SND_SOC && I2C)
sound/soc/codecs/wm8960.c:1469:1: error: data definition has no type or storage class [-Werror]
sound/soc/codecs/wm8960.c:1469:1: error: type defaults to 'int' in declaration of 'module_i2c_driver' [-Werror=implicit-int]
Fixes: 8625c1dbd876 ("ASoC: mediatek: Add mt2701-wm8960 machine driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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My static checker complains that if snd_hdac_bus_get_response() returns
-EIO then "res" is uninitialized. Fix this by initializing it to -1 so
that the error is handled correctly.
Fixes: d8c2dab8381d ("ASoC: Intel: Add Skylake HDA audio driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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25165f79adc76b812bfb4d8f2ab120aafb28d0e6
("ASoC: rsnd: enable clock-frequency for both 44.1kHz/48kHz")
supports both 44.1kHz/48kHz clock-frequency settings for ADG
which will be used for AUDIO_OLKOUTn.
But some board doesn't need it, thus, it is not mandatory.
But, above patch didn't care about the case of "clock-frequency" DT
property was not present.
This patch ignores ADG settings if AUDIO_OLKOUTn was not used.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
[Kuninori: tidyup not to break non AUDIO_OLKOUTn case]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Just two fixes.
The first fixes kprobing a stdu, and is marked for stable as it's been
broken for ~ever. In hindsight this could have gone in next.
The other is a fix for a change we merged this cycle, where if we take
a certain exception when the kernel is running relocated (currently
only used for kdump), we checkstop the box.
Thanks to Ravi Bangoria"
* tag 'powerpc-4.11-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64: Fix HMI exception on LE with CONFIG_RELOCATABLE=y
powerpc/kprobe: Fix oops when kprobed on 'stdu' instruction
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fix from Bjorn Helgaas:
"Sorry this is so late. It's been in -next for over a week, but I
forgot to send it on until now.
A single fix to the DT binding of the HiSilicon PCIe host support"
* tag 'pci-v4.11-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: hisi: Fix DT binding (hisi-pcie-almost-ecam)
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Pull block layer fixes from Jens Axboe:
"A couple of last minute fixes for regressions in this cycle. More
specifically:
- Two patches from Andy, adjusting the NVMe APST quirks to avoid some
issues specific to one Toshiba drive, and some variant of Samsung
on two specific Dell laptops.
- A fix for mtip32xx, turning off mq scheduling on that device. We
have a real fix for this, but it's too late in the cycle.
Thankfully we already have a NO_SCHED flag we can apply here. A
prep patch for this is ensuring that we honor the NO_SCHED flag
when attempting to online switch schedulers, previsouly we only did
so for drive load time. From Ming.
- Fixing an oops in blk-mq polling with scheduling attached. This one
is easily reproducible, it would be a shame to release 4.11 with
that issue. From me.
I'd prefer not having to send in patches at this point in time, but
the above are all things that have regressed in this cycle and the
fixes are relatively straight forward"
* 'for-linus' of git://git.kernel.dk/linux-block:
blk-mq: fix potential oops with polling and blk-mq scheduler
nvme: Quirk APST off on "THNSF5256GPUK TOSHIBA"
nvme: Adjust the Samsung APST quirk
mtip32xx: pass BLK_MQ_F_NO_SCHED
block: respect BLK_MQ_F_NO_SCHED
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI build fix from Rafael Wysocki:
"This avoids a false-positive build warning from the compiler.
Specifics:
- Avoid a false-positive warning regarding a variable that may not be
initialized that started to trigger after a previous general build
fix (Arnd Bergmann)"
* tag 'acpi-4.11-final' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / power: Avoid maybe-uninitialized warning
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- kmalloc sdio scratch buffer to make it DMA-friendly
MMC host:
- dw_mmc: Fix behaviour for SDIO IRQs when runtime PM is used
- sdhci-esdhc-imx: Correct pad I/O drive strength for UHS-DDR50
cards"
* tag 'mmc-v4.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-esdhc-imx: increase the pad I/O drive strength for DDR50 card
mmc: dw_mmc: Don't allow Runtime PM for SDIO cards
mmc: sdio: fix alignment issue in struct sdio_func
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixlet from Dmitry Torokhov:
"An update to Elan PS/2 driver to allow working on yet another
Lifebook"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elantech - add Fujitsu Lifebook E547 to force crc_enabled
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sound/soc/sh/rcar/adg.c:462:54-55: Unneeded semicolon
Remove unneeded semicolon.
Generated by: scripts/coccinelle/misc/semicolon.cocci
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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We want people to report bugs to the netdev list.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge two mm fixes from Andrew Morton.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm: prevent NR_ISOLATE_* stats from going negative
Revert "mm, page_alloc: only use per-cpu allocator for irq-safe requests"
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Commit 6afcf8ef0ca0 ("mm, compaction: fix NR_ISOLATED_* stats for pfn
based migration") moved the dec_node_page_state() call (along with the
page_is_file_cache() call) to after putback_lru_page().
But page_is_file_cache() can change after putback_lru_page() is called,
so it should be called before putback_lru_page(), as it was before that
patch, to prevent NR_ISOLATE_* stats from going negative.
Without this fix, non-CONFIG_SMP kernels end up hanging in the
while(too_many_isolated()) { congestion_wait() } loop in
shrink_active_list() due to the negative stats.
Mem-Info:
active_anon:32567 inactive_anon:121 isolated_anon:1
active_file:6066 inactive_file:6639 isolated_file:4294967295
^^^^^^^^^^
unevictable:0 dirty:115 writeback:0 unstable:0
slab_reclaimable:2086 slab_unreclaimable:3167
mapped:3398 shmem:18366 pagetables:1145 bounce:0
free:1798 free_pcp:13 free_cma:0
Fixes: 6afcf8ef0ca0 ("mm, compaction: fix NR_ISOLATED_* stats for pfn based migration")
Link: http://lkml.kernel.org/r/1492683865-27549-1-git-send-email-rabin.vincent@axis.com
Signed-off-by: Rabin Vincent <rabinv@axis.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Ming Ling <ming.ling@spreadtrum.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This reverts commit 374ad05ab64.
While the patch worked great for userspace allocations, the fact that
softirq loses the per-cpu allocator caused problems. It needs to be
redone taking into account that a separate list is needed for hard/soft
IRQs or alternatively find a cheap way of detecting reentry due to an
interrupt. Both are possible but sufficiently tricky that it shouldn't
be rushed.
Jesper had one method for allowing softirqs but reported that the cost
was high enough that it performed similarly to a plain revert. His
figures for netperf TCP_STREAM were as follows
Baseline v4.10.0 : 60316 Mbit/s
Current 4.11.0-rc6: 47491 Mbit/s
Jesper's patch : 60662 Mbit/s
This patch : 60106 Mbit/s
As this is a regression, I wish to revert to noirq allocator for now and
go back to the drawing board.
Link: http://lkml.kernel.org/r/20170415145350.ixy7vtrzdzve57mh@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Reported-by: Tariq Toukan <ttoukan.linux@gmail.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If we have a scheduler attached, blk_mq_tag_to_rq() on the
scheduled tags will return NULL if a request is no longer
in flight. This is different than using the normal tags,
where it will always return the fixed request. Check for
this condition for polling, in case we happen to enter
polling for a completed request.
The request address remains valid, so this check and return
should be perfectly safe.
Fixes: bd166ef183c2 ("blk-mq-sched: add framework for MQ capable IO schedulers")
Tested-by: Stephen Bates <sbates@raithlin.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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There's a report that it malfunctions with APST on.
See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1678184
Cc: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
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I got a couple more reports: the Samsung APST issues appears to
affect multiple 950-series devices in Dell XPS 15 9550 and Precision
5510 laptops. Change the quirk: rather than blacklisting the
firmware on the first problematic SSD that was reported, disable
APST on all 144d:a802 devices if they're installed in the two
affected Dell models. While we're at it, disable only the deepest
sleep state instead of all of them -- the reporters say that this is
sufficient to fix the problem.
(I have a device that appears to be entirely identical to one of the
affected devices, but I have a different Dell laptop, so it's not
the case that all Samsung devices with firmware BXW75D0Q are broken
under all circumstances.)
Samsung engineers have an affected system, and hopefully they'll
give us a better workaround some time soon. In the mean time, this
should minimize regressions.
See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1678184
Cc: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Policing filters do not use the TCA_ACT_* enum and the tb[]
nlattr array in tcf_action_init_1() doesn't get filled for
them so we should not try to look for a TCA_ACT_COOKIE
attribute in the then uninitialized array.
The error handling in cookie allocation then calls
tcf_hash_release() leading to invalid memory access later
on.
Additionally, if cookie allocation fails after an already
existing non-policing filter has successfully been changed,
tcf_action_release() should not be called, also we would
have to roll back the changes in the error handling, so
instead we now allocate the cookie early and assign it on
success at the end.
CVE-2017-7979
Fixes: 1045ba77a596 ("net sched actions: Add support for user cookies")
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sudarsana Reddy Kalluru says:
====================
qed: Dcbx bug fixes
The series has set of bug fixes for dcbx implementation of qed driver.
Please consider applying this to 'net' branch.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change ieee_setpfc() callback implementation to populate traffic class
count with the user provided value.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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qed_dcbnl_get_dcbx() API uses kmalloc in GFT_KERNEL mode. The API gets
invoked in the interrupt context by qed_dcbnl_getdcbx callback. Need
to invoke this kmalloc in atomic mode.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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PFC error-mask value is not supported by MFW, but this bit could be
set in the pfc bit-map of the operational parameters if remote device
supports it. These operational parameters are used as basis for
populating the dcbx config parameters. User provided configs will be
applied on top of these parameters and then send them to MFW when
requested. Driver need to clear the error-mask bit before sending the
config parameters to MFW.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some adapters may not publish the max_tc value. Populate the default
value for max_tc field in case the mfw didn't provide one.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver was failing to check that the SKB wasn't cloned
before adding checksum data.
Replace existing handling to extend/copy the header buffer
with skb_cow_head.
Signed-off-by: James Hughes <james.hughes@raspberrypi.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Woojung Huh <Woojung.Huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Mugunthan V N, who was reviewing TI's CPSW driver patches is
not working for TI anymore and wont be reviewing patches for
that driver.
Drop Mugunthan as the maintiainer for this driver.
Grygorii continues to be a reviewer. Dave Miller applies the
patches directly and adding a maintainer is actually
misleading since get_maintainer.pl script stops suggesting
that Dave Miller be copied.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:
====================
pull request (net): ipsec 2017-04-19
Two fixes for af_key:
1) Add a lock to key dump to prevent a NULL pointer dereference.
From Yuejie Shi.
2) Fix slab-out-of-bounds in parse_ipsecrequests.
From Herbert Xu.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is prompted by a static checker warning about a potential
use after free. The concern is that netif_rx_ni() can free "skb" and we
call it twice.
When I look at the commit that added this, it looks like some stray
lines were added accidentally. It doesn't make sense to me that we
would recieve the same data two times. I asked the author but never
recieved a response.
I can't test this code, but I'm pretty sure my patch is correct.
Fixes: 4b063258ab93 ("dp83640: Delay scheduled work.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes an out-of-bounds access in seg6_validate_srh() when the
trailing data is less than sizeof(struct sr6_tlv).
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: David Lebrun <david.lebrun@uclouvain.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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'psock_fanout' has been failing since commit 4d7b9dc1f36a9 ("tools:
psock_lib: harden socket filter used by psock tests"). That commit
changed the CBPF filter to examine the full ethernet frame, and was
tested on 'psock_tpacket' which uses SOCK_RAW. But 'psock_fanout' was
also using this same CBPF in two places, for filtering and fanout, on a
SOCK_DGRAM socket.
Change 'psock_fanout' to use SOCK_RAW so that the CBPF program used with
SO_ATTACH_FILTER can examine the entire frame. Create a new CBPF
program for use with PACKET_FANOUT_DATA which ignores the header, as it
cannot see the ethernet header.
Tested: Ran tools/testing/selftests/net/psock_{fanout,tpacket} 10 times,
and they all passed.
Fixes: 4d7b9dc1f36a9 ("tools: psock_lib: harden socket filter used by psock tests")
Signed-off-by: 'Mike Maloney <maloneykernel@gmail.com>'
Signed-off-by: David S. Miller <davem@davemloft.net>
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AP/AP_VLAN modes don't accept any real 802.11 multicast data
frames, but since they do need to accept broadcast management
frames the same is currently permitted for data frames. This
opens a security problem because such frames would be decrypted
with the GTK, and could even contain unicast L3 frames.
Since the spec says that ToDS frames must always have the BSSID
as the RA (addr1), reject any other data frames.
The problem was originally reported in "Predicting, Decrypting,
and Abusing WPA2/802.11 Group Keys" at usenix
https://www.usenix.org/conference/usenixsecurity16/technical-sessions/presentation/vanhoef
and brought to my attention by Jouni.
Cc: stable@vger.kernel.org
Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
--
Dave, I didn't want to send you a new pull request for a single
commit yet again - can you apply this one patch as is?
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull two more ftrace fixes from Steven Rostedt:
"While continuing my development, I uncovered two more small bugs.
One is a race condition when enabling the snapshot function probe
trigger. It enables the probe before allocating the snapshot, and if
the probe triggers first, it stops tracing with a warning that the
snapshot buffer was not allocated.
The seconds is that the snapshot file should show how to use it when
it is empty. But a bug fix from long ago broke the "is empty" test and
the snapshot file no longer displays the help message"
* tag 'trace-v4.11-rc5-5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
ring-buffer: Have ring_buffer_iter_empty() return true when empty
tracing: Allocate the snapshot buffer before enabling probe
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:
"Two last-minute regression fixes for Wacom driver from Jason Gerecke"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: wacom: Override incorrect logical maximum contact identifier
HID: wacom: Treat HID_DG_TOOLSERIALNUMBER as unsigned
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fix from Martin Schwidefsky:
"There is one more fix I would like to see in 4.11: The combination of
KVM, CMMA and heavy paging can cause data corruption, the fix is to
clear the _PAGE_UNUSED bit in set_pte_at()"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/mm: fix CMMA vs KSM vs others
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull keyrings fixes from David Howells:
(1) Disallow keyrings whose name begins with a '.' to be joined
[CVE-2016-9604].
(2) Change the name of the dead type to ".dead" to prevent user access
[CVE-2017-6951].
(3) Fix keyctl_set_reqkey_keyring() to not leak thread keyrings
[CVE-2017-7472]
* tag 'keys-fixes-20170419' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
KEYS: fix keyctl_set_reqkey_keyring() to not leak thread keyrings
KEYS: Change the name of the dead type to ".dead" to prevent user access
KEYS: Disallow keyrings beginning with '.' to be joined as session keyrings
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
A single fix, for the MU-MIMO monitor mode, that fixes
bad SKB accesses if the SKB was paged, which is the case
for the only driver supporting this - iwlwifi.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The vectors_per_node is calculated from the remaining available vectors.
The current vector starts after pre_vectors, so we need to subtract that
from the current to properly account for the number of remaining vectors
to assign.
Fixes: 3412386b531 ("irq/affinity: Fix extra vecs calculation")
Reported-by: Andrei Vagin <avagin@virtuozzo.com>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Link: http://lkml.kernel.org/r/1492645870-13019-1-git-send-email-keith.busch@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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