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Move the I2C nodes over to use the label form to reference the I2C
controllers, rather than replicating the device node path.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Move the device specific pinctrl nodes over to use the label form to
reference the pin mux controller, rather than replicating the device
node path.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Add the DTS file to describe the clearfog pro model - we update the
platform name and compatible string compared to the original version.
The original version remains for compatibility for the time being as
the name of the file has become established, and the machine name
and/or compatible may be used by userspace.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Add the DTS file to describe the clearfog base model.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Move the rear button support into the clearfog pro support file.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Move the SPI CS1 configuration to the clearfog .dts file as this is only
present on pro models.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Move the second PCIe port to the clearfog .dts file as this is only
present on the pro models.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Move the DSA switch configuration to the clearfog .dts file as this is
only present on the pro models.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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There are two versions of the clearfog - a base and a pro model. The
base model has an additional PHY on eth1, replacing the DSA switch on
the pro model. MPP assignments are slightly different. The base model
also omits the second PCIe, and footprint for a PIC microcontroller.
In order to cater for these differences, move all the existing clearfog
support to a dtsi file before starting to modify it, to make the
following changes more clear.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Move the SDHCI pinctrl node to the microsom file - the microsom can have
optional eMMC support which uses these same pinctrl settings, so it is
sensible to have these here.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The optional SPI flash is fitted to the microsom, not the clearfog
board, so it should be specified in the microsom DTS include file.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The SPI flash #size-cells is specified in the binding documentation to
have value 1, but we were setting it to zero. This wasn't causing any
problem as we do not list any partitions, but it's worth specifying
correctly if we're going to specify it at all.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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One of the design decisions behind the link status bit in the status
register is that it latches low on link loss. This is so that link loss
events are not missed. Double-reading the status register means that we
always read the current state of the link, clearing any link loss event.
This can cause problems - for example, if the link has negotiated a
different set of operating parameters, these will not be communicated
to the MAC as the PHY state machine will still think that the link has
remained active.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Add generic helpers for 802.3 clause 45 PHYs for >= 10Gbps support.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The cpuidle ->enter method expects the return value to be the sleep
state we entered. Returning negative numbers or other codes is not
permissible since coupled CPU idle was merged.
At least some of the mvebu_v7_cpu_suspend() implementations return the
value from cpu_suspend(), which returns zero if the CPU vectors back
into the kernel via cpu_resume() (the success case), or the non-zero
return value of the suspend actor, or one (failure cases).
We do not want to be returning the failure case value back to CPU idle
as that indicates that we successfully entered one of the deeper idle
states. Always return zero instead, indicating that we slept for the
shortest amount of time.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Pull MIPS fixes from Ralf Baechle:
"Two more MIPS fixes for 4.9:
- RTC: Return -ENODEV so an external RTC will be tried
- Fix mask of GPE frequency
These two have been tested on Imagination's automated test system and
also both received positive reviews on the linux-mips mailing list"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: Lantiq: Fix mask of GPE frequency
MIPS: Return -ENODEV from weak implementation of rtc_mips_set_time
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The hardware documentation says bit 11:10 are used for the GPE
frequency selection. Fix the mask in the define to match these bits.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Thomas Langer <thomas.langer@intel.com>
Cc: linux-mips@linux-mips.org
Cc: john@phrozen.org
Patchwork: https://patchwork.linux-mips.org/patch/14648/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The sync_cmos_clock function in kernel/time/ntp.c first tries to update
the internal clock of the cpu by calling the "update_persistent_clock64"
architecture specific function. If this returns -ENODEV, it then tries
to update an external RTC using "rtc_set_ntp_time".
On the mips architecture, the weak implementation of the underlying
function would return 0 if it wasn't overridden. This meant that the
sync_cmos_clock function would never try to update an external RTC
(if both CONFIG_GENERIC_CMOS_UPDATE and CONFIG_RTC_SYSTOHC are
configured)
Returning -ENODEV instead, means that an external RTC will be tried.
Signed-off-by: Luuk Paulussen <luuk.paulussen@alliedtelesis.co.nz>
Reviewed-by: Richard Laing <richard.laing@alliedtelesis.co.nz>
Reviewed-by: Scott Parlane <scott.parlane@alliedtelesis.co.nz>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14649/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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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:
- Fix pointer size when caam is used with AArch64 boot loader on
AArch32 kernel.
- Fix ahash state corruption in marvell driver.
- Fix buggy algif_aed tag handling.
- Prevent mcryptd from being used with incompatible algorithms which
can cause crashes"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: algif_aead - fix uninitialized variable warning
crypto: mcryptd - Check mcryptd algorithm compatibility
crypto: algif_aead - fix AEAD tag memory handling
crypto: caam - fix pointer size for AArch64 boot loader, AArch32 kernel
crypto: marvell - Don't corrupt state of an STD req for re-stepped ahash
crypto: marvell - Don't copy hash operation twice into the SRAM
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Pull networking fixes from David Miller:
1) Limit the number of can filters to avoid > MAX_ORDER allocations.
Fix from Marc Kleine-Budde.
2) Limit GSO max size in netvsc driver to avoid problems with NVGRE
configurations. From Stephen Hemminger.
3) Return proper error when memory allocation fails in
ser_gigaset_init(), from Dan Carpenter.
4) Missing linkage undo in error paths of ipvlan_link_new(), from Gao
Feng.
5) Missing necessayr SET_NETDEV_DEV in lantiq and cpmac drivers, from
Florian Fainelli.
6) Handle probe deferral properly in smsc911x driver.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
net: mlx5: Fix Kconfig help text
net: smsc911x: back out silently on probe deferrals
ibmveth: set correct gso_size and gso_type
net: ethernet: cpmac: Call SET_NETDEV_DEV()
net: ethernet: lantiq_etop: Call SET_NETDEV_DEV()
vhost-vsock: fix orphan connection reset
cxgb4/cxgb4vf: Assign netdev->dev_port with port ID
driver: ipvlan: Unlink the upper dev when ipvlan_link_new failed
ser_gigaset: return -ENOMEM on error instead of success
NET: usb: cdc_mbim: add quirk for supporting Telit LE922A
can: peak: fix bad memory access and free sequence
phy: Don't increment MDIO bus refcount unless it's a different owner
netvsc: reduce maximum GSO size
drivers: net: cpsw-phy-sel: Clear RGMII_IDMODE on "rgmii" links
can: raw: raw_setsockopt: limit number of can_filter that can be set
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Since the following commit, Infiniband and Ethernet have not been
mutually exclusive.
Fixes: 4aa17b28 mlx5: Enable mutual support for IB and Ethernet
Signed-off-by: Christopher Covington <cov@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When trying to get a regulator we may get deferred and we see
this noise:
smsc911x 1b800000.ethernet-ebi2 (unnamed net_device) (uninitialized):
couldn't get regulators -517
Then the driver continues anyway. Which means that the regulator
may not be properly retrieved and reference counted, and may be
switched off in case noone else is using it.
Fix this by returning silently on deferred probe and let the
system work it out.
Cc: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is based on an earlier one submitted
by Jon Maxwell with the following commit message:
"We recently encountered a bug where a few customers using ibmveth on the
same LPAR hit an issue where a TCP session hung when large receive was
enabled. Closer analysis revealed that the session was stuck because the
one side was advertising a zero window repeatedly.
We narrowed this down to the fact the ibmveth driver did not set gso_size
which is translated by TCP into the MSS later up the stack. The MSS is
used to calculate the TCP window size and as that was abnormally large,
it was calculating a zero window, even although the sockets receive buffer
was completely empty."
We rely on the Virtual I/O Server partition in a pseries
environment to provide the MSS through the TCP header checksum
field. The stipulation is that users should not disable checksum
offloading if rx packet aggregation is enabled through VIOS.
Some firmware offerings provide the MSS in the RX buffer.
This is signalled by a bit in the RX queue descriptor.
Reviewed-by: Brian King <brking@linux.vnet.ibm.com>
Reviewed-by: Pradeep Satyanarayana <pradeeps@linux.vnet.ibm.com>
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Reviewed-by: Jonathan Maxwell <jmaxwell37@gmail.com>
Reviewed-by: David Dai <zdai@us.ibm.com>
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"Several fixes to the DSM (ACPI device specific method) marshaling
implementation.
I consider these urgent enough to send for 4.9 consideration since
they fix the kernel's handling of ARS (Address Range Scrub) commands.
Especially for platforms without machine-check-recovery capabilities,
successful execution of ARS commands enables the platform to
potentially break out of an infinite reboot problem if a media error
is present in the boot path. There is also a one line fix for a
device-dax read-only mapping regression.
Commits 9a901f5495e2 ("acpi, nfit: fix extended status translations
for ACPI DSMs") and 325896ffdf90 ("device-dax: fix private mapping
restriction, permit read-only") are true regression fixes for changes
introduced this cycle.
Commit efda1b5d87cb ("acpi, nfit, libnvdimm: fix / harden ars_status
output length handling") fixes the kernel's handling of zero-length
results, this never would have worked in the past, but we only just
recently discovered a BIOS implementation that emits this arguably
spec non-compliant result.
The remaining two commits are additional fall out from thinking
through the implications of a zero / truncated length result of the
ARS Status command.
In order to mitigate the risk that these changes introduce yet more
regressions they are backstopped by a new unit test in commit
a7de92dac9f0 ("tools/testing/nvdimm: unit test acpi_nfit_ctl()") that
mocks up inputs to acpi_nfit_ctl()"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
device-dax: fix private mapping restriction, permit read-only
tools/testing/nvdimm: unit test acpi_nfit_ctl()
acpi, nfit: fix bus vs dimm confusion in xlat_status
acpi, nfit: validate ars_status output buffer size
acpi, nfit, libnvdimm: fix / harden ars_status output length handling
acpi, nfit: fix extended status translations for ACPI DSMs
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
"This is quite late but SCT Write Same support added during this cycle
is broken subtly but seriously and it'd be best to disable it before
v4.9 gets released.
This contains two commits - one low impact sata_mv fix and the
mentioned disabling of SCT Write Same"
* 'for-4.9-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
libata-scsi: disable SCT Write Same for the moment
ata: sata_mv: check for errors when parsing nr-ports from dt
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Pull ceph fix from Ilya Dryomov:
"A fix for an issue with ->d_revalidate() in ceph, causing frequent
kernel crashes.
Marked for stable - it goes back to 4.6, but started popping up only
in 4.8"
* tag 'ceph-for-4.9-rc9' of git://github.com/ceph/ceph-client:
ceph: don't set req->r_locked_dir in ceph_d_revalidate
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Final batch of SoC fixes
A few fixes that have trickled in over the last week, all fixing minor
errors in devicetrees -- UART pin assignment on Allwinner H3,
correcting number of SATA ports on a Marvell-based Linkstation
platform and a display clock fix for Freescale/NXP i.MX7D that fixes a
freeze when starting up X"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: orion5x: fix number of sata port for linkstation ls-gl
ARM: dts: imx7d: fix LCDIF clock assignment
dts: sun8i-h3: correct UART3 pin definitions
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k fixes from Geert Uytterhoeven:
- build fix for drivers calling ndelay() in a conditional block without
curly braces
- defconfig updates
* tag 'm68k-for-v4.9-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Fix ndelay() macro
m68k/defconfig: Update defconfigs for v4.9-rc1
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Pull drm fix from Dave Airlie:
"Just a single fix for amdgpu to just suspend the gpu on 'shutdown'
instead of shutting it down fully, as for some reason the hw was
getting upset in some situations"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/amdgpu: just suspend the hw on pci shutdown
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This reverts commit 53855d10f4567a0577360b6448d52a863929775b.
It shouldn't have come in yet - it depends on the changes in linux-next
that will come in during the next merge window. As Matthew Wilcox says,
the test suite is broken with the current state without the revert.
Requested-by: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Florian Fainelli says:
====================
net: ethernet: Make sure we set dev->dev.parent
This patch series builds atop:
ec988ad78ed6d184a7f4ca6b8e962b0e8f1de461 ("phy: Don't increment MDIO
bus refcount unless it's a different owner")
FMAN is the one that potentially needs patching as well (call
SET_NETDEV_DEV), but there appears to be no way that init_phy is
called right now, or there is not such an in-tree user. Madalin, can
you comment on that?
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The TI CPMAC driver calls into PHYLIB which now checks for
net_device->dev.parent, so make sure we do set it before calling into
any MDIO/PHYLIB related function.
Fixes: ec988ad78ed6 ("phy: Don't increment MDIO bus refcount unless it's a different owner")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Lantiq Etop driver calls into PHYLIB which now checks for
net_device->dev.parent, so make sure we do set it before calling into
any MDIO/PHYLIB related function.
Fixes: ec988ad78ed6 ("phy: Don't increment MDIO bus refcount unless it's a different owner")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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local_addr.svm_cid is host cid. We should check guest cid instead,
which is remote_addr.svm_cid. Otherwise we end up resetting all
connections to all guests.
Cc: stable@vger.kernel.org [4.8+]
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
"Three important fixes for the parisc architecture.
Dave provided two patches: One which purges the TLB before setting a
PTE entry and a second one which drops unnecessary TLB flushes. Both
patches have been tested for one week on the debian buildd servers and
prevent random segmentation faults.
The patch from me fixes a crash at boot inside the TLB measuring code
on SMP machines with PA8000-PA8700 CPUs (specifically A500-44 and
J5000 servers)"
* 'parisc-4.9-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix TLB related boot crash on SMP machines
parisc: Remove unnecessary TLB purges from flush_dcache_page_asm and flush_icache_page_asm
parisc: Purge TLB before setting PTE
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2016-12-08
this is a pull request for one patch.
Jiho Chu found and fixed a use-after-free error in the cleanup path in
the peak pcan USB CAN driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added missing dev_port assignment in cxgb4vf driver.
Also made dev_port assignment of cxgb4 in sync with cxgb4vf driver.
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Arjun V <arjun@chelsio.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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At bootup we run measurements to calculate the best threshold for when we
should be using full TLB flushes instead of just flushing a specific amount of
TLB entries. This performance test is run over the kernel text segment.
But running this TLB performance test on the kernel text segment turned out to
crash some SMP machines when the kernel text pages were mapped as huge pages.
To avoid those crashes this patch simply skips this test on some SMP machines
and calculates an optimal threshold based on the maximum number of available
TLB entries and number of online CPUs.
On a technical side, this seems to happen:
The TLB measurement code uses flush_tlb_kernel_range() to flush specific TLB
entries with a page size of 4k (pdtlb 0(sr1,addr)). On UP systems this purge
instruction seems to work without problems even if the pages were mapped as
huge pages. But on SMP systems the TLB purge instruction is broadcasted to
other CPUs. Those CPUs then crash the machine because the page size is not as
expected. C8000 machines with PA8800/PA8900 CPUs were not affected by this
problem, because the required cache coherency prohibits to use huge pages at
all. Sadly I didn't found any documentation about this behaviour, so this
finding is purely based on testing with phyiscal SMP machines (A500-44 and
J5000, both were 2-way boxes).
Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Helge Deller <deller@gmx.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"One small fix for a regression in a prior fix (again).
This time the condition in the prior fix BUG_ON proved to be wrong
under certain circumstances causing a BUG to trigger where it
shouldn't in the lpfc driver"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: lpfc: fix oops/BUG in lpfc_sli_ringtxcmpl_put()
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When netdev_upper_dev_unlink failed in ipvlan_link_new, need to
unlink the ipvlan dev with upper dev.
Signed-off-by: Gao Feng <fgao@ikuai8.com>
Acked-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we can't allocate the resources in gigaset_initdriver() then we
should return -ENOMEM instead of zero.
Fixes: 2869b23e4b95 ("[PATCH] drivers/isdn/gigaset: new M101 driver (v2)")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bug report from Debian [0] shows there's minor changed model of
Linkstation LS-GL that uses the 2nd SATA port of the SoC.
So it's necessary to enable two SATA ports, though for that specific
model only the 2nd one is used.
[0] https://bugs.debian.org/845611
Fixes: b1742ffa9ddb ("ARM: dts: orion5x: add device tree for buffalo linkstation ls-gl")
Reported-by: Ryan Tandy <ryan@nardis.ca>
Tested-by: Ryan Tandy <ryan@nardis.ca>
Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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Telit LE922A MBIM based composition does not work properly
with altsetting toggle done in cdc_ncm_bind_common.
This patch adds CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE quirk
to avoid this procedure that, instead, is mandatory for
other modems.
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Reviewed-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix for bad memory access while disconnecting. netdev is freed before
private data free, and dev is accessed after freeing netdev.
This makes a slub problem, and it raise kernel oops with slub debugger
config.
Signed-off-by: Jiho Chu <jiho.chu@samsung.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This function sets req->r_locked_dir which is supposed to indicate to
ceph_fill_trace that the parent's i_rwsem is locked for write.
Unfortunately, there is no guarantee that the dir will be locked when
d_revalidate is called, so we really don't want ceph_fill_trace to do
any dcache manipulation from this context. Clear req->r_locked_dir since
it's clearly not safe to do that.
What we really want to know with d_revalidate is whether the dentry
still points to the same inode. ceph_fill_trace installs a pointer to
the inode in req->r_target_inode, so we can just compare that to
d_inode(dentry) to see if it's the same one after the lookup.
Also, since we aren't generally interested in the parent here, we can
switch to using a GETATTR to hint that to the MDS, which also means that
we only need to reserve one cap.
Finally, just remove the d_unhashed check. That's really outside the
purview of a filesystem's d_revalidate. If the thing became unhashed
while we're checking it, then that's up to the VFS to handle anyway.
Fixes: 200fd27c8fa2 ("ceph: use lookup request to revalidate dentry")
Link: http://tracker.ceph.com/issues/18041
Reported-by: Donatas Abraitis <donatas.abraitis@gmail.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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In case the user provided insufficient data, the code may return
prematurely without any operation. In this case, the processed
data indicated with outlen is zero.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Merge more fixes from Andrew Morton:
"3 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
kcov: add missing #include <linux/sched.h>
radix tree test suite: fix compilation
zram: restrict add/remove attributes to root only
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In __sanitizer_cov_trace_pc we use task_struct and fields within it, but
as we haven't included <linux/sched.h>, it is not guaranteed to be
defined. While we usually happen to acquire the definition through a
transitive include, this is fragile (and hasn't been true in the past,
causing issues with backports).
Include <linux/sched.h> to avoid any fragility.
[mark.rutland@arm.com: rewrote changelog]
Link: http://lkml.kernel.org/r/1481007384-27529-1-git-send-email-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: James Morse <james.morse@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Patch "lib/radix-tree: Convert to hotplug state machine" breaks the test
suite as it adds a call to cpuhp_setup_state_nocalls() which is not
currently emulated in the test suite. Add it, and delete the emulation
of the old CPU hotplug mechanism.
Link: http://lkml.kernel.org/r/1480369871-5271-36-git-send-email-mawilcox@linuxonhyperv.com
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Tested-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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