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The new per-cpu counter for writes_pending is initialised in
md_alloc(), which is not called by dm-raid.
So dm-raid fails when md_write_start() is called.
Move the initialization to the personality modules
that need it. This way it is always initialised when needed,
but isn't unnecessarily initialized (requiring memory allocation)
when the personality doesn't use writes_pending.
Reported-by: Heinz Mauelshagen <heinzm@redhat.com>
Fixes: 4ad23a976413 ("MD: use per-cpu counter for writes_pending")
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
- Revert of sata_mv devm_ioremap_resource() conversion. It made init
fail if there are overlapping resources which led to detection
failures on some setups.
- A workaround for an Acer laptop which sometimes reports corrupt port
map.
- Other non-critical fixes.
* 'for-4.12-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
libata: fix error checking in in ata_parse_force_one()
Revert "ata: sata_mv: Convert to devm_ioremap_resource()"
ata: libahci: properly propagate return value of platform_get_irq()
ata: sata_rcar: Handle return value of clk_prepare_enable
ahci: Acer SA5-271 SSD Not Detected Fix
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
Fixes for 4.12:
* Some memory leaks;
* IBSS support;
* Some bugzilla bugs;
* Some runtime PM fixes;
* Rate-scaling issues;
* Some locking problems;
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Sending host command with CMD_WANT_SKB flag demands the release of the
response buffer with iwl_free_resp function.
The patch adds the memory release in all the relevant places
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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In a previous commit, we removed support for API versions earlier than
22 for these NICs. By mistake, the *_UCODE_API_MIN definitions were
set to 17. Fix that.
Fixes: 4b87e5af638b ("iwlwifi: remove support for fw older than -17 and -22")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Clear the struct so that all reserved fields are zero when we
send the struct down to the device.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The iwl_mvm_remove_sta_key() function handles removing a key when the
sta doesn't exist anymore. Mistakenly, this was changed to return an
error while fixing another bug.
If the mvm_sta doesn't exist, we continue normally, but just don't try
to remove the igtk key.
Fixes: cd4d23c1ea9b ("iwlwifi: mvm: Fix removal of IGTK")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We only need to handle d0i3 entry and exit during suspend resume if
system_pm is set to IWL_PLAT_PM_MODE_D0I3, otherwise d0i3 entry
failures will cause suspend to fail.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=194791
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When we want to stop the recording of the firmware debug
and restart it later without reloading the firmware we
don't need to resend the configuration that comes with
host commands.
Sending those commands confused the hardware and led to
an NMI 0x66.
Change the flow as following:
* read the relevant registers (DBGC_IN_SAMPLE, DBGC_OUT_CTRL)
* clear those registers
* wait for the hardware to complete its write to the buffer
* get the data
* restore the value of those registers (to restart the
recording)
For early start (where the configuration is already
compiled in the firmware), we don't need to set those
registers after the firmware has been loaded, but only
when we want to restart the recording without having
restarted the firmware.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The ucode_loaded check should be under the mutex, since it can
otherwise change state after we looked at it and before we got
the mutex. Fix that.
Fixes: 5c89e7bc557e ("iwlwifi: mvm: add registration to cooling device")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Allow working IBSS also when working in DQA mode.
This is done by setting it to treat the queues the
same as a BSS AP treats the queues.
Fixes: 7948b87308a4 ("iwlwifi: mvm: enable dynamic queue allocation mode")
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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During d0i3 flow we flush all the queue except from the command queue.
Currently, in this flow the command queue is hard coded to 9.
In DQA the command queue number has changed from 9 to 0.
Fix that.
This fixes a problem in runtime PM resume flow.
Fixes: 097129c9e625 ("iwlwifi: mvm: move cmd queue to be #0 in dqa mode")
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Up until now, the driver was comparing the rate reported by the FW and
the rate of the latest LQ command to avoid processing data belonging
to the old LQ command. Recently, FW changed the meaning of the initial
rate field in tx response and it holds the actual rate (which is not
necessarily the initial rate of LQ's rate table). Use instead LQ cmd
color to be able to filter out tx responses/BA notifications which
where sent during earlier LQ commands' time frame.
This fixes some throughput degradation in noisy environments.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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There are new types and helpers that are supposed to be used in new code.
As a preparation to get rid of legacy types and API functions do
the conversion here.
Cc: Borislav Petkov <bp@suse.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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There are new types and helpers that are supposed to be used in new code.
As a preparation to get rid of legacy types and API functions do
the conversion here.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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There are new types and helpers that are supposed to be used in new code.
As a preparation to get rid of legacy types and API functions do
the conversion here.
Cc: Borislav Petkov <bp@suse.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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There are new types and helpers that are supposed to be used in new code.
As a preparation to get rid of legacy types and API functions do
the conversion here.
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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qos_vport
The Granular QoS per VF feature must be enabled in FW before it can be
used.
Thus, the driver cannot modify a QP's qos_vport value (via the UPDATE_QP FW
command) if the feature has not been enabled -- the FW returns an error if
this is attempted.
Fixes: 08068cd5683f ("net/mlx4: Added qos_vport QP configuration in VST mode")
Signed-off-by: Ido Shamay <idos@mellanox.com>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix kernel-doc warnings (typo) in drivers/net/phy/phy.c:
..//drivers/net/phy/phy.c:259: warning: No description found for parameter 'features'
..//drivers/net/phy/phy.c:259: warning: Excess function parameter 'feature' description in 'phy_lookup_setting'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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For some file systems we still memcpy into it, but in various places this
already allows us to use the proper uuid helpers. More to come..
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Acked-by: Mimi Zohar <zohar@linux.vnet.ibm.com> (Changes to IMA/EVM)
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Hoist the libnvdimm helper as an inline helper to linux/uuid.h
using an auxiliary const variable uuid_null in lib/uuid.c.
[hch: also add the guid variant. Both do the same but I'd like
to keep casts to a minimum]
The common helper uses the new abstract type uuid_t * instead of
u8 *.
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
[hch: added guid_is_null]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The md private helper uuid_equal() collides with a generic helper
of the same name.
Rename the md private helper to md_uuid_equal() and do the same for
md_sb_equal().
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Shaohua Li <shli@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Commit c5a2ee7dde89 (cpufreq: intel_pstate: Active mode P-state
limits rework) incorrectly assumed that pstate.turbo_pstate would
always be nonzero for CPU0 in min_perf_pct_min() if
cpufreq_register_driver() had succeeded which may not be the case
in virtualized environments.
If that assumption doesn't hold, it leads to an early crash on boot
in intel_pstate_register_driver(), so add a sanity check to
min_perf_pct_min() to prevent the crash from happening.
Fixes: c5a2ee7dde89 (cpufreq: intel_pstate: Active mode P-state limits rework)
Reported-and-tested-by: Jongman Heo <jongman.heo@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Our previous patch (cited below) introduced a regression
for RAW Eth QPs.
Fix it by checking if the QP number provided by user-space
exists, hence allowing steering rules to be added for valid
QPs only.
Fixes: 89c557687a32 ("net/mlx4_en: Avoid adding steering rules with invalid ring")
Reported-by: Or Gerlitz <gerlitz.or@gmail.com>
Signed-off-by: Talat Batheesh <talatb@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit 9b4437a5b870 ("geneve: Unify LWT and netdev handling.")
when using COLLECT_METADATA geneve devices are created with too small of
a needed_headroom and too large of a max_mtu. This is because
ip_tunnel_info_af() is not valid with the device level info when using
COLLECT_METADATA and we mistakenly fall into the IPv4 case.
For COLLECT_METADATA, always use the worst case of ipv6 since both
sockets are created.
Fixes: 9b4437a5b870 ("geneve: Unify LWT and netdev handling.")
Signed-off-by: Eric Garver <e@erig.me>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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xgbe_map_rx_buffer is rather confused about what PAGE_ALLOC_COSTLY_ORDER
means. It uses PAGE_ALLOC_COSTLY_ORDER-1 assuming that
PAGE_ALLOC_COSTLY_ORDER is the first costly order which is not the case
actually because orders larger than that are costly. And even that
applies only to sleeping allocations which is not the case here. We
simply do not perform any costly operations like reclaim or compaction
for those. Simplify the code by dropping the order calculation and use
PAGE_ALLOC_COSTLY_ORDER directly.
Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use software polling (PHY_POLL) to check for link state changes instead
of relying on the EMAC's hardware polling feature. Some PHY drivers
are unable to get a functioning link because the HW polling is not
robust enough.
The EMAC is able to poll the PHY on the MDIO bus looking for link state
changes (via the Link Status bit in the Status Register at address 0x1).
When the link state changes, the EMAC triggers an interrupt and tells the
driver what the new state is. The feature eliminates the need for
software to poll the MDIO bus.
Unfortunately, this feature is incompatible with phylib, because it
ignores everything that the PHY core and PHY drivers are trying to do.
In particular:
1. It assumes a compatible register set, so PHYs with different registers
may not work.
2. It doesn't allow for hardware errata that have work-arounds implemented
in the PHY driver.
3. It doesn't support multiple register pages. If the PHY core switches
the register set to another page, the EMAC won't know the page has
changed and will still attempt to read the same PHY register.
4. It only checks the copper side of the link, not the SGMII side. Some
PHY drivers (e.g. at803x) may also check the SGMII side, and
report the link as not ready during autonegotiation if the SGMII link
is still down. Phylib then waits for another interrupt to query
the PHY again, but the EMAC won't send another interrupt because it
thinks the link is up.
Cc: stable@vger.kernel.org # 4.11.x
Tested-by: Manoj Iyer <manoj.iyer@canonical.com>
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty fix from Greg KH:
"Here is a single tty core fix for 4.12-rc4. It reverts a patch that a
lot of people reported as causing lockdep and other warnings.
Right after I reverted this in my tree, it seems like another
"correct" fix might have shown up, but it's too late in the release
cycle to be messing with tty core locking, so let's just revert this
for now to go back how things always have been and try it again for
4.13.
This has not been in linux-next as I only reverted it a few hours ago"
* tag 'tty-4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "tty: fix port buffer locking"
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem fixes from Dmitry Torokhov:
- a couple of regression fixes in synaptics and axp20x-pek drivers
- try to ease transition from PS/2 to RMI for Synaptics touchpad users
by ensuring we do not try to activate RMI mode when RMI SMBus support
is not enabled, and nag users a bit to enable it
- plus a couple of other changes that seemed worthwhile for this
release
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: axp20x-pek - switch to acpi_dev_present and check for ACPI0011 too
Input: axp20x-pek - only check for "INTCFD9" ACPI device on Cherry Trail
Input: tm2-touchkey - use LEN_ON as boolean value instead of LED_FULL
Input: synaptics - tell users to report when they should be using rmi-smbus
Input: synaptics - warn the users when there is a better mode
Input: synaptics - keep PS/2 around when RMI4_SMB is not enabled
Input: synaptics - clear device info before filling in
Input: silead - disable interrupt during suspend
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A rc device can call ir_raw_event_handle() after rc_allocate_device(),
but before rc_register_device() has completed. This is racey because
rcdev->raw is set before rcdev->raw->thread has a valid value.
Cc: stable@kernel.org
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Just depend on DEBUG_FS, no need to invent a new kernel config.
Especially since CEC can be enabled by drm without enabling
MEDIA_SUPPORT.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This config option is strictly speaking independent of the
media subsystem since it can be used by drm as well.
Besides, it looks odd when drivers select CEC_CORE and
MEDIA_CEC_NOTIFIER, that's inconsistent naming.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The CEC framework is used by both drm and media. That makes it tricky
to get the dependencies right.
This patch moves the CEC_CORE and MEDIA_CEC_NOTIFIER config options
out of the media menu and instead drivers that want to use CEC should
select CEC_CORE and MEDIA_CEC_NOTIFIER (if needed).
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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exit_loop is not being initialized, so it contains garbage. Ensure it is
initialized to false.
Detected by CoverityScan, CID#1436409 ("Uninitialized scalar variable")
Fixes: ea6a69defd3311 ("[media] rainshadow-cec: avoid -Wmaybe-uninitialized warning")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Several atomisp files use:
ccflags-y += -Werror
As, on media, our usual procedure is to use W=1, and atomisp
has *a lot* of warnings with such flag enabled,like:
./drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/system_local.h:62:26: warning: 'DDR_BASE' defined but not used [-Wunused-const-variable=]
At the end, it causes our build to fail, impacting our workflow.
So, remove this crap. If one wants to force -Werror, he
can still build with it enabled by passing a parameter to
make.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is nine fixes, seven of which are for the qedi driver (new as of
4.10) the other two are a use after free in the cxgbi drivers and a
potential NULL dereference in the rdac device handler"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: libcxgbi: fix skb use after free
scsi: qedi: Fix endpoint NULL panic during recovery.
scsi: qedi: set max_fin_rt default value
scsi: qedi: Set firmware tcp msl timer value.
scsi: qedi: Fix endpoint NULL panic in qedi_set_path.
scsi: qedi: Set dma_boundary to 0xfff.
scsi: qedi: Correctly set firmware max supported BDs.
scsi: qedi: Fix bad pte call trace when iscsiuio is stopped.
scsi: scsi_dh_rdac: Use ctlr directly in rdac_failover_get()
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"For the most part this is just a minor -rc cycle for the rdma
subsystem. Even given that this is all of the -rc patches since the
merge window closed, it's still only about 25 patches:
- Multiple i40iw, nes, iw_cxgb4, hfi1, qib, mlx4, mlx5 fixes
- A few upper layer protocol fixes (IPoIB, iSER, SRP)
- A modest number of core fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (26 commits)
RDMA/SA: Fix kernel panic in CMA request handler flow
RDMA/umem: Fix missing mmap_sem in get umem ODP call
RDMA/core: not to set page dirty bit if it's already set.
RDMA/uverbs: Declare local function static and add brackets to sizeof
RDMA/netlink: Reduce exposure of RDMA netlink functions
RDMA/srp: Fix NULL deref at srp_destroy_qp()
RDMA/IPoIB: Limit the ipoib_dev_uninit_default scope
RDMA/IPoIB: Replace netdev_priv with ipoib_priv for ipoib_get_link_ksettings
RDMA/qedr: add null check before pointer dereference
RDMA/mlx5: set UMR wqe fence according to HCA cap
net/mlx5: Define interface bits for fencing UMR wqe
RDMA/mlx4: Fix MAD tunneling when SRIOV is enabled
RDMA/qib,hfi1: Fix MR reference count leak on write with immediate
RDMA/hfi1: Defer setting VL15 credits to link-up interrupt
RDMA/hfi1: change PCI bar addr assignments to Linux API functions
RDMA/hfi1: fix array termination by appending NULL to attr array
RDMA/iw_cxgb4: fix the calculation of ipv6 header size
RDMA/iw_cxgb4: calculate t4_eq_status_entries properly
RDMA/iw_cxgb4: Avoid touch after free error in ARP failure handlers
RDMA/nes: ACK MPA Reply frame
...
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This reverts commit 925bb1ce47f429f69aad35876df7ecd8c53deb7e.
It causes lots of warnings and problems so for now, let's just revert
it.
Reported-by: <valdis.kletnieks@vt.edu>
Reported-by: Russell King <linux@armlinux.org.uk>
Reported-by: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reported-by: Jiri Slaby <jslaby@suse.cz>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"A couple of patches for the aspeed pwm fan driver"
* tag 'hwmon-for-linus-v4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (aspeed-pwm-tacho) make fan/pwm names start with index 1
hwmon: (aspeed-pwm-tacho) Call of_node_put() on a node not claimed
hwmon: (aspeed-pwm-tacho) On read failure return -ETIMEDOUT
hwmon: (aspeed-pwm-tacho) Select REGMAP
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Pull MTD fixes from Brian Norris:
"NAND updates from Boris:
tango fixes:
- Add missing MODULE_DEVICE_TABLE() in tango_nand.c
- Update the number of corrected bitflips
core fixes:
- Fix a long standing memory leak in nand_scan_tail()
- Fix several bugs introduced by the per-vendor init/detection
infrastructure (introduced in 4.12)
- Add a static specifier to nand_ooblayout_lp_hamming_ops definition"
* tag 'for-linus-20170602' of git://git.infradead.org/linux-mtd:
mtd: nand: make nand_ooblayout_lp_hamming_ops static
mtd: nand: tango: Update ecc_stats.corrected
mtd: nand: tango: Export OF device ID table as module aliases
mtd: nand: samsung: warn about un-parseable ECC info
mtd: nand: free vendor-specific resources in init failure paths
mtd: nand: drop unneeded module.h include
mtd: nand: don't leak buffers when ->scan_bbt() fails
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Make fan and pwm names in sysfs start with index 1 in accordance to
Documentation/hwmon/sysfs-interface conventions.
Current implementation starts with index 0, making tools such as
sensors(1) skip the first fan.
Signed-off-by: Stefan Schaeckeler <sschaeck@cisco.com>
Fixes: 2d7a548a3eff ("drivers: hwmon: Support for ASPEED PWM/Fan tach")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Call of_node_put() on a node claimed with of_node_get() or by any other
means such as for_each_child_of_node().
Signed-off-by: Stefan Schaeckeler <sschaeck@cisco.com>
Fixes: 2d7a548a3eff ("drivers: hwmon: Support for ASPEED PWM/Fan tach")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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modprobe is not able to resolve sysfs modalias for mei devices.
# cat
/sys/class/watchdog/watchdog0/device/watchdog/watchdog0/device/modalias
mei::05b79a6f-4628-4d7f-899d-a91514cb32ab:
# modprobe --set-version 4.9.6-200.fc25.x86_64 -R
mei::05b79a6f-4628-4d7f-899d-a91514cb32ab:
modprobe: FATAL: Module mei::05b79a6f-4628-4d7f-899d-a91514cb32ab: not
found in directory /lib/modules/4.9.6-200.fc25.x86_64
# cat /lib/modules/4.9.6-200.fc25.x86_64/modules.alias | grep
05b79a6f-4628-4d7f-899d-a91514cb32ab
alias mei:*:05b79a6f-4628-4d7f-899d-a91514cb32ab:*:* mei_wdt
commit b26864cad1c9 ("mei: bus: add client protocol
version to the device alias"), however sysfs modalias
is still in formmat mei:S:uuid:*.
This patch equates format of uevent and sysfs modalias so that modprobe
is able to resolve the aliases.
Cc: <stable@vger.kernel.org> 4.7+
Fixes: commit b26864cad1c9 ("mei: bus: add client protocol version to the device alias")
Signed-off-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A recent fix to /dev/mem prevents mappings from wrapping around the end
of physical address space. However, the check was written in a way that
also prevents a mapping reaching just up to the end of physical address
space, which may be a valid use case (especially on 32-bit systems).
This patch fixes it by checking the last mapped address (instead of the
first address behind that) for overflow.
Fixes: b299cde245 ("drivers: char: mem: Check for address space wraparound with mmap()")
Cc: <stable@vger.kernel.org>
Reported-by: Nico Huber <nico.h@gmx.de>
Signed-off-by: Julius Werner <jwerner@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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lov_getstripe() calls set_fs(KERNEL_DS) so that it can handle a struct
lov_user_md pointer from user- or kernel-space. This changes the
behavior of copy_from_user() on SPARC and may result in a misaligned
access exception which in turn oopses the kernel. In fact the
relevant argument to lov_getstripe() is never called with a
kernel-space pointer and so changing the address limits is unnecessary
and so we remove the calls to save, set, and restore the address
limits.
Signed-off-by: John L. Hammond <john.hammond@intel.com>
Reviewed-on: http://review.whamcloud.com/6150
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3221
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Li Wei <wei.g.li@intel.com>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus
Kishon writes:
phy: for 4.12-rc
*) Fix return value check in phy-qcom-qmp driver
*) Fix memory allocation bug in phy-qcom-qmp driver
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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acpi_dev_found checks that there is a matching ACPI node, but it
may be disabled (_STA method returns 0) in which case the
soc_button_array driver will not bind to it and axp20x-pek should
handle the power-button.
This commit switches from acpi_dev_found to acpi_dev_present to
avoid not registering an input-dev for the powerbutton when there
is a disabled PNP0C40 device.
The ACPI-6.0 standard defines a standard gpio button device using
the ACPI0011 HID replacing the custom PNP0C40 gpio device, many
newer devices define both PNP0C40 and ACPI0011 devices enabling one
or the other depending on whether the BIOS thinks it is going to boot
Android or Windows.
This commit adds a check for the ACPI0011 device, so that if
either device is present *and* enabled we don't register an input-dev
for the powerbutton.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Commit 9b13a4ca8d2c ("Input: axp20x-pek - do not register input device
on some systems") added a check for the INTCFD9 ACPI device which also
handles the powerbutton as on some systems the powerbutton is connected
to both the PMIC, handled by axp20x-pek, and to a gpio on the SoC, handled
by soc_button_array which attaches itself to the INTCFD9 ACPI device.
Testing + comparing DSDTs has shown that this only happens on Cherry
Trail devices with an AXP288 PMIC, the AXP288 PMIC is also used on
Bay Trail devices but there the power button is only connected to
the PMIC and not handled by soc_button_array.
This means that the INTCFD9 check has caused a regression on Bay Trail
devices, causing power-button presses to no longer be seen.
This commit fixes this by limiting the check to devices where the ACPI
node for the AXP288 contains a _HRV (hardware revision) attribute with
a value of 3 which indicates we are dealing with a Cherry Trail platform.
Fixes: 9b13a4ca8d2c ("Input: axp20x-pek - do not register input ...")
Reported-by: Сергей Трусов <t.rus76@ya.ru>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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