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Only search for IFLA_EXT_MASK if the message actually carries a
ifinfomsg header and validate minimal length requirements for
IFLA_EXT_MASK.
Fixes: 6cbdceeb ("bridge: Dump vlan information from a bridge port")
Cc: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes: c2d3babf ("bridge: implement multicast fast leave")
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ndo_bridge_setlink() is currently only called on the slave if
IFLA_AF_SPEC is set but this is a very fragile assumption and may
change in the future.
Cc: Ajit Khaparde <ajit.khaparde@emulex.com>
Cc: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Payload is currently accessed blindly and may exceed valid message
boundaries.
Fixes: a77dcb8c8 ("be2net: set and query VEB/VEPA mode of the PF interface")
Fixes: 815cccbf1 ("ixgbe: add setlink, getlink support to ixgbe and ixgbevf")
Cc: Ajit Khaparde <ajit.khaparde@emulex.com>
Cc: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Payload is currently accessed blindly and may exceed valid message
boundaries.
Fixes: 407af3299 ("bridge: Add netlink interface to configure vlans on bridge ports")
Cc: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull kvm fixes from Paolo Bonzini:
"Last minute KVM/ARM fixes; even the generic change actually affects
nothing but ARM"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
kvm: fix kvm_is_mmio_pfn() and rename to kvm_is_reserved_pfn()
arm/arm64: kvm: drop inappropriate use of kvm_is_mmio_pfn()
arm/arm64: KVM: vgic: Fix error code in kvm_vgic_create()
arm64: KVM: Handle traps of ICC_SRE_EL1 as RAZ/WI
arm64: KVM: fix unmapping with 48-bit VAs
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
Third set of IIO fixes for the 3.18 cycle.
Most of these are fairly standard little fixes, a bmc150 and bmg160 patch
is to make an ABI change to indicated a specific axis in an event rather
than the generic option in the original drivers. As both of these drivers
are new in this cycle it would be ideal to push this minor change through
even though it isn't strictly a fix. A couple of other 'fixes' change
defaults for some settings on these new drivers to more intuitive calues.
Looks like some useful feedback has been coming in for this driver
since it was applied.
* IIO_EVENT_CODE_EXTRACT_DIR bit mask was wrong and has been for a while
0xCF clearly doesn't give a contiguous bitmask.
* kxcjk-1013 range setting was failing to mask out the previous value
in the register and hence was 'enable only'.
* men_z188 device id table wasn't null terminated.
* bmg160 and bmc150 both failed to correctly handling an error in mode
setting.
* bmg160 and bmc150 both had a bug in setting the event direction in the
event spec (leads to an attribute name being incorrect)
* bmg160 defaulted to an open drain output for the interrupt - as a default
this obviously only works with some interrupt chips - hence change the
default to push-pull (note this is a new driver so we aren't going to
cause any regressions with this change).
* bmc150 had an unintuitive default for the rate of change (motion detector)
so change it to 0 (new driver so change of default won't cause any
regressions).
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This patch adds a driver for the Analog Devices adv7511. The adv7511 is
a standalone HDMI transmitter chip. It features a HDMI output interface
on one end and video and audio input interfaces on the other.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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The ADV7511, ADV7511W and ADV7513 are HDMI audio and video transmitters
compatible with HDMI 1.4 and DVI 1.0. They're described in DT using the
OF graph bindings and a list of custom properties pertaining to the
input video bus configuration.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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The drm_get_edid() function performs direct I2C accesses to read EDID
blocks, assuming that the monitor DDC interface is directly connected to
the I2C bus. It can't thus be used with HDMI encoders that control the
DDC bus and expose EDID blocks through a different interface.
Refactor drm_do_get_edid() to take a block read callback function
instead of an I2C adapter, and export it for direct use by drivers.
As in the general case the DDC bus is accessible by the kernel at the
I2C level, drivers must make all reasonable efforts to expose it as an
I2C adapter and use drm_get_edid() instead of abusing this function.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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SoCs that integrate the DU have no internal HDMI encoder, support
external encoders only.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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DRM slave encoders require their associated struct drm_encoder instance
to be embedded in a struct drm_slave_encoder. This makes processing
encoders regardless of their types needlessly and painfully complex in
drivers that use a mix of slave encoders and custom encoders. Such a
driver will need to either create drm_slave_encoder instances that fake
their embedded encoder instance, or to turn all drm_encoder instances
into drm_slave_encoder instances.
Between the two evils, one must choose the lesser. Use drm_slave_encoder
everywhere.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Add a new macro to downcast an rcar_du_encoder pointer to a drm_encoder
pointer and use it. This prepares for the replacement of the
rcar_drm_encoder encoder field with a drm_slave_encoder.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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The encoder DT node will be needed to register an external HDMI encoder.
Pass it to the rcar_du_encoder_init() function to prepare for HDMI
support.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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All platforms now instantiate the DU through DT, platform data support
isn't needed anymore.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Propagate the error code on failure.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
{ ... return ret; }
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ret = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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The commit 3b57de958e2a brought the support for a different amount of
the filter bins, but didn't update the platform driver that without
CONFIG_OF.
Fixes: 3b57de958e2a (net: stmmac: Support devicetree configs for mcast
and ucast filter entries)
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some VF drivers use the upper byte of "param1" (the qp count field)
in mlx4_qp_reserve_range() to pass flags which are used to optimize
the range allocation.
Under the current code, if any of these flags are set, the 32-bit
count field yields a count greater than 2^24, which is out of range,
and this VF fails.
As these flags represent a "best-effort" allocation hint anyway, they may
safely be ignored. Therefore, the PF driver may simply mask out the bits.
Fixes: c82e9aa0a8 "mlx4_core: resource tracking for HCA resources used by guests"
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Florian Fainelli says:
====================
net: dsa: bcm_sf2: misc bugfixes
This patch series contains two bug fixes:
- first patch fixes an issue on the error path of the driver where we could
have left some of our registers mapped
- second patch enforces the use of a software reset of the switch to guarantee
the HW is in a consistent state prior to software initialization
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Our boot agent may have left the switch in an certain configuration
state, make sure we issue a software reset prior to configuring the
switch in order to ensure the HW is in a consistent state, in particular
transmit queues and internal buffers.
Fixes: 246d7f773c13 ("net: dsa: add Broadcom SF2 switch driver")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case we fail to ioremap() one of our registers, we would be leaking
existing mappings, unwind those accordingly on errors.
Fixes: 246d7f773c13 ("net: dsa: add Broadcom SF2 switch driver")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 85c8555ff0 ("KVM: check for !is_zero_pfn() in
kvm_is_mmio_pfn()") and renames the function to kvm_is_reserved_pfn.
The problem being addressed by the patch above was that some ARM code
based the memory mapping attributes of a pfn on the return value of
kvm_is_mmio_pfn(), whose name indeed suggests that such pfns should
be mapped as device memory.
However, kvm_is_mmio_pfn() doesn't do quite what it says on the tin,
and the existing non-ARM users were already using it in a way which
suggests that its name should probably have been 'kvm_is_reserved_pfn'
from the beginning, e.g., whether or not to call get_page/put_page on
it etc. This means that returning false for the zero page is a mistake
and the patch above should be reverted.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Instead of using kvm_is_mmio_pfn() to decide whether a host region
should be stage 2 mapped with device attributes, add a new static
function kvm_is_device_pfn() that disregards RAM pages with the
reserved bit set, as those should usually not be mapped as device
memory.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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If we detect another vCPU is running we just exit and return 0 as if we
succesfully created the VGIC, but the VGIC wouldn't actual be created.
This shouldn't break in-kernel behavior because the kernel will not
observe the failed the attempt to create the VGIC, but userspace could
be rightfully confused.
Cc: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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When running on a system with a GICv3, we currenly don't allow the guest
to access the system register interface of the GICv3. We do this by
clearing the ICC_SRE_EL2.Enable, which causes all guest accesses to
ICC_SRE_EL1 to trap to EL2 and causes all guest accesses to other ICC_
registers to cause an undefined exception in the guest.
However, we currently don't handle the trap of guest accesses to
ICC_SRE_EL1 and will spill out a warning. The trap just needs to handle
the access as RAZ/WI, and a guest that tries to prod this register and
set ICC_SRE_EL1.SRE=1, must read back the value (which Linux already
does) to see if it succeeded, and will thus observe that ICC_SRE_EL1.SRE
was not set.
Add the simple trap handler in the sorted table of the system registers.
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
[ardb: added cp15 handling]
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Currently if using a 48-bit VA, tearing down the hyp page tables (which
can happen in the absence of a GICH or GICV resource) results in the
rather nasty splat below, evidently becasue we access a table that
doesn't actually exist.
Commit 38f791a4e499792e (arm64: KVM: Implement 48 VA support for KVM EL2
and Stage-2) added a pgd_none check to __create_hyp_mappings to account
for the additional level of tables, but didn't add a corresponding check
to unmap_range, and this seems to be the source of the problem.
This patch adds the missing pgd_none check, ensuring we don't try to
access tables that don't exist.
Original splat below:
kvm [1]: Using HYP init bounce page @83fe94a000
kvm [1]: Cannot obtain GICH resource
Unable to handle kernel paging request at virtual address ffff7f7fff000000
pgd = ffff800000770000
[ffff7f7fff000000] *pgd=0000000000000000
Internal error: Oops: 96000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.18.0-rc2+ #89
task: ffff8003eb500000 ti: ffff8003eb45c000 task.ti: ffff8003eb45c000
PC is at unmap_range+0x120/0x580
LR is at free_hyp_pgds+0xac/0xe4
pc : [<ffff80000009b768>] lr : [<ffff80000009cad8>] pstate: 80000045
sp : ffff8003eb45fbf0
x29: ffff8003eb45fbf0 x28: ffff800000736000
x27: ffff800000735000 x26: ffff7f7fff000000
x25: 0000000040000000 x24: ffff8000006f5000
x23: 0000000000000000 x22: 0000007fffffffff
x21: 0000800000000000 x20: 0000008000000000
x19: 0000000000000000 x18: ffff800000648000
x17: ffff800000537228 x16: 0000000000000000
x15: 000000000000001f x14: 0000000000000000
x13: 0000000000000001 x12: 0000000000000020
x11: 0000000000000062 x10: 0000000000000006
x9 : 0000000000000000 x8 : 0000000000000063
x7 : 0000000000000018 x6 : 00000003ff000000
x5 : ffff800000744188 x4 : 0000000000000001
x3 : 0000000040000000 x2 : ffff800000000000
x1 : 0000007fffffffff x0 : 000000003fffffff
Process swapper/0 (pid: 1, stack limit = 0xffff8003eb45c058)
Stack: (0xffff8003eb45fbf0 to 0xffff8003eb460000)
fbe0: eb45fcb0 ffff8003 0009cad8 ffff8000
fc00: 00000000 00000080 00736140 ffff8000 00736000 ffff8000 00000000 00007c80
fc20: 00000000 00000080 006f5000 ffff8000 00000000 00000080 00743000 ffff8000
fc40: 00735000 ffff8000 006d3030 ffff8000 006fe7b8 ffff8000 00000000 00000080
fc60: ffffffff 0000007f fdac1000 ffff8003 fd94b000 ffff8003 fda47000 ffff8003
fc80: 00502b40 ffff8000 ff000000 ffff7f7f fdec6000 00008003 fdac1630 ffff8003
fca0: eb45fcb0 ffff8003 ffffffff 0000007f eb45fd00 ffff8003 0009b378 ffff8000
fcc0: ffffffea 00000000 006fe000 ffff8000 00736728 ffff8000 00736120 ffff8000
fce0: 00000040 00000000 00743000 ffff8000 006fe7b8 ffff8000 0050cd48 00000000
fd00: eb45fd60 ffff8003 00096070 ffff8000 006f06e0 ffff8000 006f06e0 ffff8000
fd20: fd948b40 ffff8003 0009a320 ffff8000 00000000 00000000 00000000 00000000
fd40: 00000ae0 00000000 006aa25c ffff8000 eb45fd60 ffff8003 0017ca44 00000002
fd60: eb45fdc0 ffff8003 0009a33c ffff8000 006f06e0 ffff8000 006f06e0 ffff8000
fd80: fd948b40 ffff8003 0009a320 ffff8000 00000000 00000000 00735000 ffff8000
fda0: 006d3090 ffff8000 006aa25c ffff8000 00735000 ffff8000 006d3030 ffff8000
fdc0: eb45fdd0 ffff8003 000814c0 ffff8000 eb45fe50 ffff8003 006aaac4 ffff8000
fde0: 006ddd90 ffff8000 00000006 00000000 006d3000 ffff8000 00000095 00000000
fe00: 006a1e90 ffff8000 00735000 ffff8000 006d3000 ffff8000 006aa25c ffff8000
fe20: 00735000 ffff8000 006d3030 ffff8000 eb45fe50 ffff8003 006fac68 ffff8000
fe40: 00000006 00000006 fe293ee6 ffff8003 eb45feb0 ffff8003 004f8ee8 ffff8000
fe60: 004f8ed4 ffff8000 00735000 ffff8000 00000000 00000000 00000000 00000000
fe80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
fea0: 00000000 00000000 00000000 00000000 00000000 00000000 000843d0 ffff8000
fec0: 004f8ed4 ffff8000 00000000 00000000 00000000 00000000 00000000 00000000
fee0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
ff00: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
ff20: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
ff40: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
ff60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
ff80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
ffa0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000005 00000000
ffe0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Call trace:
[<ffff80000009b768>] unmap_range+0x120/0x580
[<ffff80000009cad4>] free_hyp_pgds+0xa8/0xe4
[<ffff80000009b374>] kvm_arch_init+0x268/0x44c
[<ffff80000009606c>] kvm_init+0x24/0x260
[<ffff80000009a338>] arm_init+0x18/0x24
[<ffff8000000814bc>] do_one_initcall+0x88/0x1a0
[<ffff8000006aaac0>] kernel_init_freeable+0x148/0x1e8
[<ffff8000004f8ee4>] kernel_init+0x10/0xd4
Code: 8b000263 92628479 d1000720 eb01001f (f9400340)
---[ end trace 3bc230562e926fa4 ]---
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Jungseok Lee <jungseoklee85@gmail.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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memblock_is_region_reserved() returns true in the case of a partial
overlap, meaning that the current code fails to reserve the
non-overlapping portion.
This call was introduced as part of d1552ce449eb "of/fdt: move
memreserve and dtb memory reservations into core" which went into
v3.16.
I observed this causing a Midway system with a buggy fdt (the header
declares itself to be larger than it really is) failing to boot
because the over-inflated size of the fdt was causing it to seem to
run into the swapper_pg_dir region, meaning the DT wasn't reserved.
The symptoms were failing to find an disks or network and failing to
boot.
However given the ambiguity of whether things like the initrd are
covered by /memreserve/ and similar I think it is best to also
register the region rather than just ignoring it.
Since memblock_reserve() handles overlaps just fine lets just warn and
carry on.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: stable@vger.kernel.org # v3.16+
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Currently we just make sure vdd is off before suspending, but we don't
cancel the vdd off work. The work wil not touch vdd if
want_panel_vdd==false so in theory this is fine.
In the past that was perfectly fine since the vdd off work didn't do
anything when want_panel_vdd==false, so even if the work would have been
run during system resume before i915 has resumed, nothing would happen.
However since pps_lock() will now grab the power domain references before
it can check want_panel_vdd, we may end up toggling the power wells on/off
already before the driver has resumed. That is not really acceptable, so
cancel the vdd off work when suspending the encoder.
The problem appeared when pps_lock() was introduced in:
commit 773538e86081d146e0020435d614f4b96996c1f9
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Thu Sep 4 14:54:56 2014 +0300
drm/i915: Reset power sequencer pipe tracking when disp2d is off
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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If no voltage supply regulators are defined for the UFS devices (assumed
they are always-on), ufshcd_config_vreg_load() can be called on
suspend/resume paths with vreg == NULL as hba->vreg_info.vcc* equal to
NULL, and it causes NULL pointer dereference.
This fixes it by making ufshcd_config_vreg_{h,l}pm noop when no regulators
are defined.
Signed-off-by: Akinobu Mita <mita@fixstars.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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When dynamic clk gating feature is enabled, delayed workqueue machanism
is used in order to detect certain period of inactivity. But there is no
guarantee that scheduled gating work is completed before module unloading.
So it can cause kernel crash by accessing memory after it was freed.
Fix it by cancelling clk gating and ungating works and ensure that its
execution is finished before module unloading.
Signed-off-by: Akinobu Mita <mita@fixstars.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Return value of irq_of_parse_and_map() is unsigned int, with 0
indicating failure, so testing for negative result never works.
Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Kevin Cernekee <cernekee@gmail.com>
Link: https://lkml.kernel.org/r/20141114221642.GA37468@dtor-ws
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Return value of irq_of_parse_and_map() is unsigned int, with 0
indicating failure, so testing for negative result never works.
Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Kevin Cernekee <cernekee@gmail.com>
Link: https://lkml.kernel.org/r/20141114221614.GA37395@dtor-ws
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Pull nfsd bugfixes from Bruce Fields:
"These fix one mishandling of the case when security labels are
configured out, and two races in the 4.1 backchannel code"
* 'for-3.18' of git://linux-nfs.org/~bfields/linux:
nfsd: Fix slot wake up race in the nfsv4.1 callback code
SUNRPC: Fix locking around callback channel reply receive
nfsd: correctly define v4.2 support attributes
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Pull aio fix from Ben LaHaise:
"Dirty page accounting fix for aio"
* git://git.kvack.org/~bcrl/aio-fixes:
aio: fix uncorrent dirty pages accouting when truncating AIO ring buffer
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc fixes from Ben Herrenschmidt:
"This series fix a nasty issue with radeon adapters on powerpc servers,
it's all CC'ed stable and has the relevant maintainers ack's/reviews.
Basically, some (radeon) adapters have issues with MSI addresses above
1T (only support 40-bits). We had powerpc specific quirk but it only
listed a specific revision of an adapter that we shipped with our
machines and didn't properly handle the audio function which some
distros enable nowadays.
So we made the quirk generic and fixed both the graphic and audio
drivers properly to use it.
Without that, ppc64 server machines will crash at boot with a radeon
adapter.
Note: This has been brewing for a while, it just needed a last respin
which got delayed due to us moving ozlabs to a new location in town
and other such things taking priority"
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/pci: Remove unused force_32bit_msi quirk
powerpc/pseries: Honor the generic "no_64bit_msi" flag
powerpc/powernv: Honor the generic "no_64bit_msi" flag
sound/radeon: Move 64-bit MSI quirk from arch to driver
gpu/radeon: Set flag to indicate broken 64-bit MSI
PCI/MSI: Add device flag indicating that 64-bit MSIs don't work
ALSA: hda - Limit 40bit DMA for AMD HDMI controllers
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull a hwmon fix from Guenter Roeck:
"Fix hwmon registration problem in g762 driver"
* tag 'hwmon-for-linus-v3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (g762) fix call to devm_hwmon_device_register_with_groups()
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https://git.linaro.org/people/mike.turquette/linux
Pull clock fixes from Mike Turquette:
"The fixes for the clock framework are all regressions in drivers, plus
a single fix in one of the basic clock templates. No fixes to the
core this time around.
As with most clock driver fixes these run the gamut from fixing a
build warning to fixing wrecked memory timings, with a little USB
tossed in for fun"
* tag 'clk-fixes-for-linus' of https://git.linaro.org/people/mike.turquette/linux:
clk: pxa: fix pxa27x CCCR bit usage
clk-divider: Fix READ_ONLY when divider > 1
clk: qcom: Fix duplicate rbcpr clock name
clk: at91: usb: fix at91sam9x5 recalc, round and set rate
clk: at91: usb: fix at91rm9200 round and set rate
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The drm_prime_pages_to_sg() function never returns NULL pointers, only
error pointers and valid pointers.
Signed-off-by: Haixia Shi <hshi@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Fixes dmabuf export failure with -E_NOMEM when the page is not mapped.
Signed-off-by: Haixia Shi <hshi@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Add myself as the maintainer of the i.MX DRM driver.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The imx-drm driver was put into staging mostly for the following reasons,
all of which have been addressed or superseded:
- convert the irq driver to use linear irq domains
- work out the device tree bindings, this lead to the common of_graph
bindings being used
- factor out common helper functions, this mostly resulted in the
component framework and drm of_graph helpers.
Before adding new fixes, and certainly before adding new features,
move it into its proper place below drivers/gpu/drm.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Renesas ARM Based SoC DT DU Updates for v3.19
* Enable DU using DT on marzen/r8a7779, lager/r8a7790 and koelsch/r8a7791
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next
Add Exynos4415 SoC support, some fixups and cleanups.
Summary:
- Resolve kernel lockup issue incurred by probe request in probe context.
. For this, it moves all register codes of sub drivers into init function
and adds component binding support for vidi driver.
- Add Exynos4415 SoC support.
- Make each manager and display object to be embedded
in each driver context.
- Fix and clean up FIMD and MIPI-DSI drivers.
- Clean up unnecesary or wrong descriptions.
- And trivial cleanups.
* 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos: (58 commits)
drm/exynos: avoid leak if exynos_dpi_probe() fails
drm/exynos: Fix exynos_dpi_remove() parameter
drm/exynos: vidi: add component support
drm/exynos: fix exynos_drm_component_del
drm/exynos/ipp: fix error return code
drm/exynos: clean up machine compatible string check
drm/exynos: move Exynos platform drivers registration to init
Revert "drm/exynos: fix null pointer dereference issue"
drm/exynos/dpi: stop using display->ctx pointer
drm/exynos/dpi: embed display into private context
drm/exynos/dp: stop using display->ctx pointer
drm/exynos/dp: embed display into private context
drm/exynos/vidi: stop using display->ctx pointer
drm/exynos/vidi: embed display into private context
drm/exynos/hdmi: stop using display->ctx pointer
drm/exynos/hdmi: embed display into private context
drm/exynos/fimd: stop using manager->ctx pointer
drm/exynos/fimd: embed manager into private context
drm/exynos/vidi: stop using manager->ctx pointer
drm/exynos/vidi: embed manager into private context
...
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This reverts commit 2dea53bf57783f243c892e99c10c6921e956aa7e.
Turns out to be broken :(
Cc: Jingchang Lu <jingchang.lu@freescale.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If TX channels are set to 4 and RX channels are set to less than 4,
using ethtool -L, the driver will try to initialize more RX channels
than it has allocated, causing an oops.
This fix only initializes the RX ring if it has been allocated.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After commit ca777eff51f7 ("tcp: remove dst refcount false sharing for
prequeue mode") we have to relax check against skb dst in
tcp_v[46]_send_reset() if prequeue dropped the dst.
If a socket is provided, a full lookup was done to find this socket,
so the dst test can be skipped.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=88191
Reported-by: Jaša Bartelj <jasa.bartelj@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Daniel Borkmann <dborkman@redhat.com>
Fixes: ca777eff51f7 ("tcp: remove dst refcount false sharing for prequeue mode")
Signed-off-by: David S. Miller <davem@davemloft.net>
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The existing order of steps when starting the PCI devices works for
2.4G devices, but fails to initialize the 5G section of the RTL8821AE
hardware.
This patch is needed to fix the regression reported in Bug #88811
(https://bugzilla.kernel.org/show_bug.cgi?id=88811).
Reported-by: Valerio Passini <valerio.passini@unicam.it>
Tested-by: Valerio Passini <valerio.passini@unicam.it>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Valerio Passini <valerio.passini@unicam.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The changes associated with moving this driver from staging to the regular
tree missed one section setting the allowable rates for the 5GHz band.
This patch is needed to fix the regression reported in Bug #88811
(https://bugzilla.kernel.org/show_bug.cgi?id=88811).
Reported-by: Valerio Passini <valerio.passini@unicam.it>
Tested-by: Valerio Passini <valerio.passini@unicam.it>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Valerio Passini <valerio.passini@unicam.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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