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SBC-4 states:
"A MAXIMUM UNMAP LBA COUNT field set to a non-zero value indicates the
maximum number of LBAs that may be unmapped by an UNMAP command"
"A MAXIMUM WRITE SAME LENGTH field set to a non-zero value indicates
the maximum number of contiguous logical blocks that the device server
allows to be unmapped or written in a single WRITE SAME command."
Despite the spec being clear on the topic, some devices incorrectly
expect WRITE SAME commands with the UNMAP bit set to be limited to the
value reported in MAXIMUM UNMAP LBA COUNT in the Block Limits VPD.
Implement a blacklist option that can be used to accommodate devices
with this behavior.
Cc: <stable@vger.kernel.org>
Reported-by: Bill Kuzeja <William.Kuzeja@stratus.com>
Reported-by: Ewan D. Milne <emilne@redhat.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Tested-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://anongit.freedesktop.org/git/drm-intel into drm-fixes
drm/i915 fixes for 4.14-rc3
Couple fixes for stable:
- Fix ELD connector types and consequently audio on DP (Jani).
- Ignore HDMI on Port A and consequently fix an ops on i915 probe
when VBT advertises HDMI on Port A (Jani).
And a small fix:
- That removes a reduntant hw_check on modeset. (Colin)
* tag 'drm-intel-fixes-2017-09-27' of git://anongit.freedesktop.org/git/drm-intel:
drm/i915/bios: ignore HDMI on port A
drm/i915: remove redundant variable hw_check
drm/i915: always update ELD connector type after get modes
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Christoph made it so that if we return'ed BLK_STS_RESOURCE whenever we
got ERESTARTSYS from sending our packets we'd return BLK_STS_OK, which
means we'd never requeue and just hang. We really need to return the
right value from the upper layer.
Fixes: fc17b6534eb8 ("blk-mq: switch ->queue_rq return value to blk_status_t")
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The HDMI driver enables the bus and mod clocks in the bind function, but
does not disable them if it then bails our due to any errors. Neither
does it disable the clocks in the unbind function.
Fix this by adding a proper error path to the bind function, and
clk_disable_unprepare calls to the unbind function.
Also rename the err_cleanup_connector label to err_cleanup_encoder,
since it is the encoder that gets cleaned up.
Fixes: 9c5681011a0c ("drm/sun4i: Add HDMI support")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170929082306.16193-6-wens@csie.org
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ahci_pci_reset_controller() calls ahci_reset_controller(), which may
fail, but ignores the result code and always returns success. This
may result in failures like below
ahci 0000:02:00.0: version 3.0
ahci 0000:02:00.0: enabling device (0000 -> 0003)
ahci 0000:02:00.0: SSS flag set, parallel bus scan disabled
ahci 0000:02:00.0: controller reset failed (0xffffffff)
ahci 0000:02:00.0: failed to stop engine (-5)
... repeated many times ...
ahci 0000:02:00.0: failed to stop engine (-5)
Unable to handle kernel paging request at virtual address ffff0000093f9018
...
PC is at ahci_stop_engine+0x5c/0xd8 [libahci]
LR is at ahci_deinit_port.constprop.12+0x1c/0xc0 [libahci]
...
[<ffff000000a17014>] ahci_stop_engine+0x5c/0xd8 [libahci]
[<ffff000000a196b4>] ahci_deinit_port.constprop.12+0x1c/0xc0 [libahci]
[<ffff000000a197d8>] ahci_init_controller+0x80/0x168 [libahci]
[<ffff000000a260f8>] ahci_pci_init_controller+0x60/0x68 [ahci]
[<ffff000000a26f94>] ahci_init_one+0x75c/0xd88 [ahci]
[<ffff000008430324>] local_pci_probe+0x3c/0xb8
[<ffff000008431728>] pci_device_probe+0x138/0x170
[<ffff000008585e54>] driver_probe_device+0x2dc/0x458
[<ffff0000085860e4>] __driver_attach+0x114/0x118
[<ffff000008583ca8>] bus_for_each_dev+0x60/0xa0
[<ffff000008585638>] driver_attach+0x20/0x28
[<ffff0000085850b0>] bus_add_driver+0x1f0/0x2a8
[<ffff000008586ae0>] driver_register+0x60/0xf8
[<ffff00000842f9b4>] __pci_register_driver+0x3c/0x48
[<ffff000000a3001c>] ahci_pci_driver_init+0x1c/0x1000 [ahci]
[<ffff000008083918>] do_one_initcall+0x38/0x120
where an obvious hardware level failure results in an unnecessary 15 second
delay and a subsequent crash.
So record the result code of ahci_reset_controller() and relay it, rather
than ignoring it.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
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When considering whether to set RTNH_F_OFFLOAD flag on an IPv6 route,
mlxsw_sp_fib6_entry_offload_set() looks up the mlxsw_sp_nexthop
corresponding to a given route, and decides based on whether the next
hop's offloaded flag was set. When looking for the matching next hop, it
also takes into account the device of the route, which must match next
hop's RIF.
IPIP next hops however hitherto didn't set the RIF. As a result, IPv6
routes forwarding traffic to IP-in-IP netdevices are never marked as
offloaded, even when they actually are.
Thus track RIF of IPIP next hops the same way as that of ETHERNET next
hops.
Fixes: 8f28a3097645 ("mlxsw: spectrum_router: Support IPv6 overlay encap")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When creating a new RIF, bumping RIF count of the containing VR is the
last thing to be done. Symmetrically, when destroying a RIF, RIF count
is first dropped and only then the rest of the cleanup proceeds.
That's a problem for loopback RIFs. Those hold two VR references: one
for overlay and one for underlay. mlxsw_sp_rif_destroy() releases the
overlay one, and the deconfigure() callback the underlay one. But if
both overlay and underlay are the same, and if there are no other
artifacts holding the VR alive, this put actually destroys the VR. Later
on, when mlxsw_sp_rif_destroy() calls mlxsw_sp_vr_put() for the same VR,
the VR will already have been released and the kernel crashes with NULL
pointer dereference.
The underlying problem is that the RIF under destruction ends up
referencing the overlay VR much longer than it claims: all the way until
the call to mlxsw_sp_vr_put(). So line up the reference counting
properly to reflect this. Make corresponding changes in
mlxsw_sp_rif_create() as well for symmetry.
Fixes: 6ddb7426a7d4 ("mlxsw: spectrum_router: Introduce loopback RIFs")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit fcaa4a07d2a4b541e91da7a55d8b3331f96d1865.
As noted by Masaki [1], 0x120A + trackpoint will not be used in mass
production machines, so remove the ID accordingly.
[1] http://www.spinics.net/lists/linux-input/msg53222.html
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We should not try to bring HID device out of full power state before
calling hid_hw_close(), so that transport driver operates on powered up
device (making this inverse of the opening sequence).
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The wacom_get_hdev_data function is used to find and return a reference to
the "other half" of a Wacom device (i.e., the touch device associated with
a pen, or vice-versa). To ensure these references are properly accounted
for, the function is supposed to automatically increment the refcount before
returning. This was not done, however, for devices which have pen & touch
on different interfaces of the same USB device. This can lead to a WARNING
("refcount_t: underflow; use-after-free") when removing the module or device
as we call kref_put() more times than kref_get(). Triggering an "actual" use-
after-free would be difficult since both devices will disappear nearly-
simultaneously. To silence this warning and prevent the potential error, we
need to increment the refcount for all cases within wacom_get_hdev_data.
Fixes: 41372d5d40 ("HID: wacom: Augment 'oVid' and 'oPid' with heuristics for HID_GENERIC")
Cc: <stable@vger.kernel.org> # v4.9+
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The driver strength selection is missed and required when selecting
hs400es. So, It is added here.
Fixes: 81ac2af65793ecf ("mmc: core: implement enhanced strobe support")
Cc: stable@vger.kernel.org
Signed-off-by: Hankyung Yu <hankyung.yu@lge.com>
Signed-off-by: Chanho Min <chanho.min@lge.com>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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If this sanity check fails, we must free 'rss_indir'. Otherwise there is a
memory leak.
'goto err' as done in the other error handling paths to fix it.
Fixes: 46a3df9f9718 ("net: hns3: Fix for setting rss_size incorrectly")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On Armada 7K/8K we need to explicitly enable the bus clock. The bus clock
is optional because not all the SoCs need them but at least for Armada
7K/8K it is actually mandatory.
The binding documentation is updating accordingly.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This linksys dongle by default comes up in cdc_ether mode.
This patch allows r8152 to claim the device:
Bus 002 Device 002: ID 13b1:0041 Linksys
Signed-off-by: Grant Grundler <grundler@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"This contains the following fixes and improvements:
- Avoid dereferencing an unprotected VMA pointer in the fault signal
generation code
- Fix inline asm call constraints for GCC 4.4
- Use existing register variable to retrieve the stack pointer
instead of forcing the compiler to create another indirect access
which results in excessive extra 'mov %rsp, %<dst>' instructions
- Disable branch profiling for the memory encryption code to prevent
an early boot crash
- Fix a sparse warning caused by casting the __user annotation in
__get_user_asm_u64() away
- Fix an off by one error in the loop termination of the error patch
in the x86 sysfs init code
- Add missing CPU IDs to various Intel specific drivers to enable the
functionality on recent hardware
- More (init) constification in the numachip code"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/asm: Use register variable to get stack pointer value
x86/mm: Disable branch profiling in mem_encrypt.c
x86/asm: Fix inline asm call constraints for GCC 4.4
perf/x86/intel/uncore: Correct num_boxes for IIO and IRP
perf/x86/intel/rapl: Add missing CPU IDs
perf/x86/msr: Add missing CPU IDs
perf/x86/intel/cstate: Add missing CPU IDs
x86: Don't cast away the __user in __get_user_asm_u64()
x86/sysfs: Fix off-by-one error in loop termination
x86/mm: Fix fault error path using unsafe vma pointer
x86/numachip: Add const and __initconst to numachip2_clockevent
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
- Add a missing NULL pointer check in free_irq()
- Fix a memory leak/memory corruption in the generic irq chip
- Add missing rcu annotations for radix tree access
- Use ffs instead of fls when extracting data from a chip register in
the MIPS GIC irq driver
- Fix the unmasking of IPI interrupts in the MIPS GIC driver so they
end up at the target CPU and not at CPU0
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irq/generic-chip: Don't replace domain's name
irqdomain: Add __rcu annotations to radix tree accessors
irqchip/mips-gic: Use effective affinity to unmask
irqchip/mips-gic: Fix shifts to extract register fields
genirq: Check __free_irq() return value for NULL
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Commit 2ca492e22cb7 has moved the call to 'kfifo_alloc()' from after the
main 'if' statement to before it.
But it has not updated the error handling paths accordingly.
Fix all that:
- if 'kfifo_alloc()' fails we can return directly
- direct returns after 'kfifo_alloc()' must now go to 'out_mbox_free'
- 'goto out_mbox_free' must be replaced by 'goto out', otherwise the
'[pcc_]mbox_free_channel()' call will be missed.
Fixes: 2ca492e22cb7 ("hwmon: (xgene) Fix crash when alarm occurs before driver probe")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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"uuid" must be invisible if both ns->uuid and ns->nguid are unset,
not if either one is.
Fixes: d934f9848a77 "nvme: provide UUID value to userspace"
Signed-off-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Move sparse annotation right after pointer type.
Fixes sparse warning:
drivers/net/ppp/ppp_generic.c:1422:13: warning: incorrect type in initializer (different address spaces)
drivers/net/ppp/ppp_generic.c:1422:13: expected void const [noderef] <asn:3>*__vpp_verify
drivers/net/ppp/ppp_generic.c:1422:13: got int *<noident>
...
Fixes: e5dadc65f9e0 ("ppp: Fix false xmit recursion detect with two ppp devices")
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull mtd fixes from Boris Brezillon:
- Fix partition alignment check in mtdcore.c
- Fix a buffer overflow in the Atmel NAND driver
* tag 'mtd/fixes-for-4.14-rc3' of git://git.infradead.org/linux-mtd:
mtd: nand: atmel: fix buffer overflow in atmel_pmecc_user
mtd: Fix partition alignment check on multi-erasesize devices
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Eight mostly minor fixes for recently discovered issues in drivers"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ILLEGAL REQUEST + ASC==27 => target failure
scsi: aacraid: Add a small delay after IOP reset
scsi: scsi_transport_fc: Also check for NOTPRESENT in fc_remote_port_add()
scsi: scsi_transport_fc: set scsi_target_id upon rescan
scsi: scsi_transport_iscsi: fix the issue that iscsi_if_rx doesn't parse nlmsg properly
scsi: aacraid: error: testing array offset 'bus' after use
scsi: lpfc: Don't return internal MBXERR_ERROR code from probe function
scsi: aacraid: Fix 2T+ drives on SmartIOC-2000
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform drivers fix from Darren Hart:
"Newly discovered species of fujitsu laptops break some assumptions
about ACPI device pairings.
fujitsu-laptop: Don't oops when FUJ02E3 is not present"
* tag 'platform-drivers-x86-v4.14-2' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: fujitsu-laptop: Don't oops when FUJ02E3 is not presnt
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git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED fixes from Jacek Anaszewski:
"Four fixes for the as3645a LED flash controller and one update to
MAINTAINERS"
* tag 'led_fixes-4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
MAINTAINERS: Add entry for MediaTek PMIC LED driver
as3645a: Unregister indicator LED on device unbind
as3645a: Use integer numbers for parsing LEDs
dt: bindings: as3645a: Use LED number to refer to LEDs
as3645a: Use ams,input-max-microamp as documented in DT bindings
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-fixes
Pull Rockchip clk driver fixes from Heiko Stuebner:
Some smallish fixes for the rk3128 clock support including
some register errors and some clocks that should be critical
for safe usage.
* tag 'v4.14-rockchip-clkfixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
clk: rockchip: add sclk_timer5 as critical clock on rk3128
clk: rockchip: fix up rk3128 pvtm and mipi_24m gate regs error
clk: rockchip: add pclk_pmu as critical clock on rk3128
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Allow clk_bulk_prepare() to be referenced by kernel modules by adding
the missing EXPORT_SYMBOL_GPL().
Fixes: 266e4e9d9150 ("clk: add clk_bulk_get accessories")
Reported-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Pull MD fixes from Shaohua Li:
"A few fixes for MD. Mainly fix a problem introduced in 4.13, which we
retry bio for some code paths but not all in some situations"
* tag 'md/4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
md/raid5: cap worker count
dm-raid: fix a race condition in request handling
md: fix a race condition for flush request handling
md: separate request handling
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
- fix CONFIG_PCI=n build error (introduced in v4.14-rc1) (Geert
Uytterhoeven)
- fix a race in sysfs driver_override store/show (Nicolai Stange)
* tag 'pci-v4.14-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Fix race condition with driver_override
PCI: Add dummy pci_acs_enabled() for CONFIG_PCI=n build
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Regular fixes pull, some amdkfd, amdgpu, etnaviv, sun4i, qxl, tegra
fixes.
I've got an outstanding pull for i915 but it wasn't on an rc2 base so
I wanted to ship these out first, I might get to it before rc3 or I
might not"
* tag 'drm-fixes-for-v4.14-rc3' of git://people.freedesktop.org/~airlied/linux:
drm/tegra: trace: Fix path to include
qxl: fix framebuffer unpinning
drm/sun4i: cec: Enable back CEC-pin framework
drm/amdkfd: Print event limit messages only once per process
drm/amdkfd: Fix kernel-queue wrapping bugs
drm/amdkfd: Fix incorrect destroy_mqd parameter
drm/radeon: disable hard reset in hibernate for APUs
drm/amdgpu: revert tile table update for oland
etnaviv: fix gem object list corruption
etnaviv: fix submit error path
qxl: fix primary surface handling
drm/amdkfd: check for null dev to avoid a null pointer dereference
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
- A comment fix for 'struct iommu_ops'
- Format string fixes for AMD IOMMU, unfortunatly I missed that during
review.
- Limit mediatek physical addresses to 32 bit for v7s to fix a warning
triggered in io-page-table code.
- Fix dma-sync in io-pgtable-arm-v7s code
* tag 'iommu-fixes-v4.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu: Fix comment for iommu_ops.map_sg
iommu/amd: pr_err() strings should end with newlines
iommu/mediatek: Limit the physical address in 32bit for v7s
iommu/io-pgtable-arm-v7s: Need dma-sync while there is no QUIRK_NO_DMA
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- avoid a warning when compiling with clang
- consider read-only bits in xen-pciback when writing to a BAR
- fix a boot crash of pv-domains
* tag 'for-linus-4.14c-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/mmu: Call xen_cleanhighmap() with 4MB aligned for page tables mapping
xen-pciback: relax BAR sizing write value check
x86/xen: clean up clang build warning
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Commit 1a1c116f3dcf removes nlmsg_len calculation in
ibnl_put_attr causing netlink messages to be rejected due
to incorrect length.
Add nlmsg_end after all attributes are appended to calculate
the nlmsg_len.
Fixes: 1a1c116f3dcf ("RDMA/netlink: Simplify the put_msg and put_attr")
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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git://anongit.freedesktop.org/git/drm-misc into drm-fixes
Driver Changes:
- qxl: fix primary surface and fb unpinning (Gerd)
- sun41: fix CEC_PIN config gate now that media has been merged (Hans)
- tegra: fix TRACE_INCLUDE_PATH (Thierry)
Cc: Thierry Reding <treding@nvidia.com>
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Gerd Hoffmann <kraxel@redhat.com>
* tag 'drm-misc-fixes-2017-09-28-1' of git://anongit.freedesktop.org/git/drm-misc:
drm/tegra: trace: Fix path to include
qxl: fix framebuffer unpinning
drm/sun4i: cec: Enable back CEC-pin framework
qxl: fix primary surface handling
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-fixes-2017-09-28
Misc. fixes for mlx5 drivers.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The in-kernel 'library' API can be called by drivers to help
interaction with an IBM XSL on a POWER9 system.
The cxllib_handle_fault() API is used to handle memory fault. All memory
pages of the specified buffer have to be handled but under certain
conditions,the last page may not be touched, and the address the
adapter is trying to access is never sent to the kernel for resolution.
This patch reworks start address of the loop with an address aligned on
the page size. In this context, the last page is not missed.
Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Fixes: 3ced8d730063 ("cxl: Export library to support IBM XSL");
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"This fixes an APEI problem that may cause a reported error to be
missed due to a race condition"
* tag 'acpi-4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / APEI: clear error status before acknowledging the error
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix a deadlock in the operating performance points (OPP)
framework introduced during the 4.11 cycle, more issues with duplicate
device objects for cpufreq-dt and cpufreq documentation.
Specifics:
- Fix a deadlock in the operating performance points (OPP) framework
caused by a notifier callback taking a lock that's already held by
its caller (Viresh Kumar).
- Prevent the ti-cpufreq and cpufreq-dt-platdev drivers from
attempting to register conflicting device objects which triggers a
warning from sysfs (Suniel Mahesh).
- Drop a stale reference to a piece of intel_pstate documentation
that's not in the tree any more (Rafael Wysocki)"
* tag 'pm-4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: docs: Drop intel-pstate.txt from index.txt
cpufreq: dt: Fix sysfs duplicate filename creation for platform-device
PM / OPP: Call notifier without holding opp_table->lock
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* acpi-apei:
ACPI / APEI: clear error status before acknowledging the error
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"Second -rc update for 4.14.
Both Mellanox and Intel had a series of -rc fixes that landed this
week. The Mellanox bunch is spread throughout the stack and not just
in their driver, where as the Intel bunch was mostly in the hfi1
driver. And, several of the fixes in the hfi1 driver were more than
just simple 5 line fixes. As a result, the hfi1 driver fixes has a
sizable LOC count.
Everything else is as one would expect in an RC cycle in terms of LOC
count. One item that might jump out and make you think "That's not an
rc item" is the fix that corrects a typo. But, that change fixes a
typo in a user visible API that was just added in this merge window,
so if we fix it now, we can fix it. If we don't, the typo is in the
API forever. Another that might not appear to be a fix at first glance
is the Simplify mlx5_ib_cont_pages patch, but the simplification
allows them to fix a bug in the existing function whenever the length
of an SGE exceeded page size. We also had to revert one patch from the
merge window that was wrong.
Summary:
- a few core fixes
- a few ipoib fixes
- a few mlx5 fixes
- a 7-patch hfi1 related series"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/hfi1: Unsuccessful PCIe caps tuning should not fail driver load
IB/hfi1: On error, fix use after free during user context setup
Revert "IB/ipoib: Update broadcast object if PKey value was changed in index 0"
IB/hfi1: Return correct value in general interrupt handler
IB/hfi1: Check eeprom config partition validity
IB/hfi1: Only reset QSFP after link up and turn off AOC TX
IB/hfi1: Turn off AOC TX after offline substates
IB/mlx5: Fix NULL deference on mlx5_ib_update_xlt failure
IB/mlx5: Simplify mlx5_ib_cont_pages
IB/ipoib: Fix inconsistency with free_netdev and free_rdma_netdev
IB/ipoib: Fix sysfs Pkey create<->remove possible deadlock
IB: Correct MR length field to be 64-bit
IB/core: Fix qp_sec use after free access
IB/core: Fix typo in the name of the tag-matching cap struct
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* pm-opp:
PM / OPP: Call notifier without holding opp_table->lock
* pm-cpufreq:
cpufreq: docs: Drop intel-pstate.txt from index.txt
cpufreq: dt: Fix sysfs duplicate filename creation for platform-device
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mv88e6xxx_g2_irq_free locks the registers mutex, but not
mv88e6xxx_g1_irq_free, which results in a stack trace from
assert_reg_lock when unloading the mv88e6xxx module. Fix this.
Fixes: 3460a5770ce9 ("net: dsa: mv88e6xxx: Mask g1 interrupts and free interrupt")
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Re-enable the MAC receiver by setting CONFIG_RE before powering down,
as instructed in section 6.3.5.1 of [1]. Without this the MAC fails
to receive WoL packets and never wakes up.
[1] DWC Ethernet QoS Databook 4.10a October 2014
Signed-off-by: Ed Blake <ed.blake@sondrel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add hook to stmmac_pltfr_pm_ops for suspend / resume handling.
Signed-off-by: Ed Blake <ed.blake@sondrel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ports with the same VLAN must all be in the same bridge. However the
CPU and DSA ports need to be in multiple VLANs spread over multiple
bridges. So exclude them when performing this test.
Fixes: b2f81d304cee ("net: dsa: add CPU and DSA ports as VLAN members")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch stops the internal MAC Tx clock from being enabled as the
internal clock isn't used. The definition used for the bit controlling
this behaviour is renamed as well as it was wrongly named (bit 4 of
GMAC_CTRL_2_REG).
Fixes: 3919357fb0bb ("net: mvpp2: initialize the GMAC when using a port")
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The private port_list array has a list of pointers to mvpp2_port
instances. This list is allocated given the number of ports enabled in
the device tree, but the pointers are set using the port-id property. If
on a single port is enabled, the port_list array will be of size 1, but
when registering the port, if its id is not 0 the driver will crash.
Other crashes were encountered in various situations.
This fixes the issue by using an index not equal to the value of the
port-id property.
Fixes: 3f518509dedc ("ethernet: Add new driver for Marvell Armada 375 network unit")
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Yan Markman <ymarkman@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Parsing fragmentation detection failed due to wrong configured
parser TCAM entry's. Some traffic was marked as fragmented in RX
descriptor, even it wasn't IP fragmented. The hardware also failed to
calculate checksums which lead to use software checksum and caused
performance degradation.
Fixes: 3f518509dedc ("ethernet: Add new driver for Marvell Armada 375 network unit")
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Stefan Chulski <stefanc@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix memory leak of cipher_api.
Fixes: 33d2f09fcb35 (dm crypt: introduce new format of cipher with "capi:" prefix)
Cc: stable@vger.kernel.org # 4.12+
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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KMSAN (https://github.com/google/kmsan) reported accessing uninitialized
skb->data[0] in the case the skb is empty (i.e. skb->len is 0):
================================================
BUG: KMSAN: use of uninitialized memory in tun_get_user+0x19ba/0x3770
CPU: 0 PID: 3051 Comm: probe Not tainted 4.13.0+ #3140
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
...
__msan_warning_32+0x66/0xb0 mm/kmsan/kmsan_instr.c:477
tun_get_user+0x19ba/0x3770 drivers/net/tun.c:1301
tun_chr_write_iter+0x19f/0x300 drivers/net/tun.c:1365
call_write_iter ./include/linux/fs.h:1743
new_sync_write fs/read_write.c:457
__vfs_write+0x6c3/0x7f0 fs/read_write.c:470
vfs_write+0x3e4/0x770 fs/read_write.c:518
SYSC_write+0x12f/0x2b0 fs/read_write.c:565
SyS_write+0x55/0x80 fs/read_write.c:557
do_syscall_64+0x242/0x330 arch/x86/entry/common.c:284
entry_SYSCALL64_slow_path+0x25/0x25 arch/x86/entry/entry_64.S:245
...
origin:
...
kmsan_poison_shadow+0x6e/0xc0 mm/kmsan/kmsan.c:211
slab_alloc_node mm/slub.c:2732
__kmalloc_node_track_caller+0x351/0x370 mm/slub.c:4351
__kmalloc_reserve net/core/skbuff.c:138
__alloc_skb+0x26a/0x810 net/core/skbuff.c:231
alloc_skb ./include/linux/skbuff.h:903
alloc_skb_with_frags+0x1d7/0xc80 net/core/skbuff.c:4756
sock_alloc_send_pskb+0xabf/0xfe0 net/core/sock.c:2037
tun_alloc_skb drivers/net/tun.c:1144
tun_get_user+0x9a8/0x3770 drivers/net/tun.c:1274
tun_chr_write_iter+0x19f/0x300 drivers/net/tun.c:1365
call_write_iter ./include/linux/fs.h:1743
new_sync_write fs/read_write.c:457
__vfs_write+0x6c3/0x7f0 fs/read_write.c:470
vfs_write+0x3e4/0x770 fs/read_write.c:518
SYSC_write+0x12f/0x2b0 fs/read_write.c:565
SyS_write+0x55/0x80 fs/read_write.c:557
do_syscall_64+0x242/0x330 arch/x86/entry/common.c:284
return_from_SYSCALL_64+0x0/0x6a arch/x86/entry/entry_64.S:245
================================================
Make sure tun_get_user() doesn't touch skb->data[0] unless there is
actual data.
C reproducer below:
==========================
// autogenerated by syzkaller (http://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <fcntl.h>
#include <linux/if_tun.h>
#include <netinet/ip.h>
#include <net/if.h>
#include <string.h>
#include <sys/ioctl.h>
int main()
{
int sock = socket(PF_INET, SOCK_STREAM, IPPROTO_IP);
int tun_fd = open("/dev/net/tun", O_RDWR);
struct ifreq req;
memset(&req, 0, sizeof(struct ifreq));
strcpy((char*)&req.ifr_name, "gre0");
req.ifr_flags = IFF_UP | IFF_MULTICAST;
ioctl(tun_fd, TUNSETIFF, &req);
ioctl(sock, SIOCSIFFLAGS, "gre0");
write(tun_fd, "hi", 0);
return 0;
}
==========================
Signed-off-by: Alexander Potapenko <glider@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Just like done in d2bd05d88d ("xen-pciback: return proper values during
BAR sizing") for the ROM BAR, ordinary ones also shouldn't compare the
written value directly against ~0, but consider the r/o bits at the
bottom (if any).
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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Add compatible string to use this generic glue layer to support
Spreadtrum SC9860 platform's dwc3 controller.
Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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