Pull networking fixes from David Miller:
1) Fix leak in fsl/fman driver, from Dan Carpenter.
2) Call flow dissector initcall earlier than any networking driver can
register and start to use it, from Eric Dumazet.
3) Some dup header fixes from Geliang Tang.
4) TIPC link monitoring compat fix from Jon Paul Maloy.
5) Link changes require EEE re-negotiation in bcm_sf2 driver, from
Florian Fainelli.
6) Fix bogus handle ID passed into tfilter_notify_chain(), from Roman
Mashak.
7) Fix dump size calculation in rtnl_calcit(), from Zhang Shengju.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
tipc: resolve connection flow control compatibility problem
mvpp2: use correct size for memset
net/mlx5: drop duplicate header delay.h
net: ieee802154: drop duplicate header delay.h
ibmvnic: drop duplicate header seq_file.h
fsl/fman: fix a leak in tgec_free()
net: ethtool: don't require CAP_NET_ADMIN for ETHTOOL_GLINKSETTINGS
tipc: improve sanity check for received domain records
tipc: fix compatibility bug in link monitoring
net: ethernet: mvneta: Remove IFF_UNICAST_FLT which is not implemented
dwc_eth_qos: drop duplicate headers
net sched filters: fix filter handle ID in tfilter_notify_chain()
net: dsa: bcm_sf2: Ensure we re-negotiate EEE during after link change
bnxt: do not busy-poll when link is down
udplite: call proper backlog handlers
ipv6: bump genid when the IFA_F_TENTATIVE flag is clear
net/mlx4_en: Free netdev resources under state lock
net: revert "net: l2tp: Treat NET_XMIT_CN as success in l2tp_eth_dev_xmit"
rtnetlink: fix the wrong minimal dump size getting from rtnl_calcit()
bnxt_en: Fix a VXLAN vs GENEVE issue
...
Pull libnvdimm fixes from Dan Williams:
- Fix a crash that occurs at driver initialization if the memory region
is already busy (request_mem_region() fails).
- Fix a vma validation check that mistakenly allows a private device-
dax mapping to be established. Device-dax explicitly forbids private
mappings so it can guarantee a given fault granularity and backing
memory type.
Both of these fixes have soaked in -next and are tagged for -stable.
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
device-dax: fail all private mapping attempts
device-dax: check devm_nsio_enable() return value
Four fixes for bugs found by syzkaller on x86, all for stable.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Radim Krčmář:
"Four fixes for bugs found by syzkaller on x86, all for stable"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: check for pic and ioapic presence before use
KVM: x86: fix out-of-bounds accesses of rtc_eoi map
KVM: x86: drop error recovery in em_jmp_far and em_ret_far
KVM: x86: fix out-of-bounds access in lapic
Fixes marked for stable:
- Set missing wakeup bit in LPCR on POWER9 (Benjamin Herrenschmidt)
- Fix the early OPAL console wrappers (Oliver O'Halloran)
- Fixup kernel read only mapping (Aneesh Kumar K.V)
Fixes for code merged this cycle:
- Fix missing CRCs, add more asm-prototypes.h declarations (Nicholas Piggin)
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Merge tag 'powerpc-4.9-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Fixes marked for stable:
- Set missing wakeup bit in LPCR on POWER9
- Fix the early OPAL console wrappers
- Fixup kernel read only mapping
Fixes for code merged this cycle:
- Fix missing CRCs, add more asm-prototypes.h declarations"
* tag 'powerpc-4.9-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/mm: Fixup kernel read only mapping
powerpc/boot: Fix the early OPAL console wrappers
powerpc: Fix missing CRCs, add more asm-prototypes.h declarations
powerpc: Set missing wakeup bit in LPCR on POWER9
In commit 10724cc7bb ("tipc: redesign connection-level flow control")
we replaced the previous message based flow control with one based on
1k blocks. In order to ensure backwards compatibility the mechanism
falls back to using message as base unit when it senses that the peer
doesn't support the new algorithm. The default flow control window,
i.e., how many units can be sent before the sender blocks and waits
for an acknowledge (aka advertisement) is 512. This was tested against
the previous version, which uses an acknowledge frequency of on ack per
256 received message, and found to work fine.
However, we missed the fact that versions older than Linux 3.15 use an
acknowledge frequency of 512, which is exactly the limit where a 4.6+
sender will stop and wait for acknowledge. This would also work fine if
it weren't for the fact that if the first sent message on a 4.6+ server
side is an empty SYNACK, this one is also is counted as a sent message,
while it is not counted as a received message on a legacy 3.15-receiver.
This leads to the sender always being one step ahead of the receiver, a
scenario causing the sender to block after 512 sent messages, while the
receiver only has registered 511 read messages. Hence, the legacy
receiver is not trigged to send an acknowledge, with a permanently
blocked sender as result.
We solve this deadlock by simply allowing the sender to send one more
message before it blocks, i.e., by a making minimal change to the
condition used for determining connection congestion.
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
gcc-7 detects a short memset in mvpp2, introduced in the original
merge of the driver:
drivers/net/ethernet/marvell/mvpp2.c: In function 'mvpp2_cls_init':
drivers/net/ethernet/marvell/mvpp2.c:3296:2: error: 'memset' used with length equal to number of elements without multiplication by element size [-Werror=memset-elt-size]
The result seems to be that we write uninitialized data into the
flow table registers, although we did not get any warning about
that uninitialized data usage.
Using sizeof() lets us initialize then entire array instead.
Fixes: 3f518509de ("ethernet: Add new driver for Marvell Armada 375 network unit")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Drop duplicate header delay.h from mlx5/core/main.c.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Acked-by: Matan Barak <matanb@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Drop duplicate header delay.h from adf7242.c.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Acked-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Drop duplicate header seq_file.h from ibmvnic.c.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We set "tgec->cfg" to NULL before passing it to kfree(). There is no
need to set it to NULL at all. Let's just delete it.
Fixes: 57ba4c9b56 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The ETHTOOL_GLINKSETTINGS command is deprecating the ETHTOOL_GSET
command and likewise it shouldn't require the CAP_NET_ADMIN capability.
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In commit 35c55c9877 ("tipc: add neighbor monitoring framework") we
added a data area to the link monitor STATE messages under the
assumption that previous versions did not use any such data area.
For versions older than Linux 4.3 this assumption is not correct. In
those version, all STATE messages sent out from a node inadvertently
contain a 16 byte data area containing a string; -a leftover from
previous RESET messages which were using this during the setup phase.
This string serves no purpose in STATE messages, and should no be there.
Unfortunately, this data area is delivered to the link monitor
framework, where a sanity check catches that it is not a correct domain
record, and drops it. It also issues a rate limited warning about the
event.
Since such events occur much more frequently than anticipated, we now
choose to remove the warning in order to not fill the kernel log with
useless contents. We also make the sanity check stricter, to further
reduce the risk that such data is inavertently admitted.
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
commit 817298102b ("tipc: fix link priority propagation") introduced a
compatibility problem between TIPC versions newer than Linux 4.6 and
those older than Linux 4.4. In versions later than 4.4, link STATE
messages only contain a non-zero link priority value when the sender
wants the receiver to change its priority. This has the effect that the
receiver resets itself in order to apply the new priority. This works
well, and is consistent with the said commit.
However, in versions older than 4.4 a valid link priority is present in
all sent link STATE messages, leading to cyclic link establishment and
reset on the 4.6+ node.
We fix this by adding a test that the received value should not only
be valid, but also differ from the current value in order to cause the
receiving link endpoint to reset.
Reported-by: Amar Nv <amar.nv005@gmail.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The mvneta driver advertises it supports IFF_UNICAST_FLT. However, it
actually does not. The hardware probably does support it, but there is
no code to configure the filter. As a quick and simple fix, remove the
flag. This will cause the core to fall back to promiscuous mode.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Fixes: b50b72de2f ("net: mvneta: enable features before registering the driver")
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull parisc fixes from Helge Deller:
"On parisc we were still seeing occasional random segmentation faults
and memory corruption on SMP machines. Dave Anglin then looked again
at the TLB related code and found two issues in the PCI DMA and
generic TLB flush functions.
Then, in our startup code we had some timing of the cache and TLB
functions to calculate a threshold when to use a complete TLB/cache
flush or just to flush a specific range. This code produced a race
with newly started CPUs and thus lead to occasional kernel crashes
(due to stale TLB/cache entries). The patch by Dave fixes this issue
by flushing the local caches before starting secondary CPUs and by
removing the race.
The last problem fixed by this series is that we quite often suffered
from hung tasks and self-detected stalls on the CPUs. It was somehow
clear that this was related to the (in v4.7) newly introduced cr16
clocksource and the own implementation of sched_clock(). I replaced
the open-coded sched_clock() function and switched to the generic
sched_clock() implementation which seems to have fixed this isse as
well.
All patches have been sucessfully tested on a variety of machines,
including our debian buildd servers.
All patches (beside the small pr_cont fix) are tagged for stable
releases"
* 'parisc-4.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Also flush data TLB in flush_icache_page_asm
parisc: Fix race in pci-dma.c
parisc: Switch to generic sched_clock implementation
parisc: Fix races in parisc_setup_cache_timing()
parisc: Fix printk continuations in system detection
Pull keys fixes from James Morris:
"From David:
- Fix mpi_powm()'s handling of a number with a zero exponent
[CVE-2016-8650].
Integrate my and Andrey's patches for mpi_powm() and use
mpi_resize() instead of RESIZE_IF_NEEDED() - the latter adds a
duplicate check into the execution path of a trivial case we
don't normally expect to be taken.
- Fix double free in X.509 error handling"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
mpi: Fix NULL ptr dereference in mpi_powm() [ver #3]
X.509: Fix double free in x509_cert_parse() [ver #3]
CONFIG_MODVERSIONS has been broken for pretty much the whole 4.9 series,
and quite frankly, nobody has cared very deeply. We absolutely know how
to fix it, and it's not _complicated_, but it's not exactly pretty
either.
This oneliner fixes it without the ugliness, and allows for further
future cleanups.
"We've secretly replaced their regular MODVERSIONS with nothing at
all, let's see if they notice"
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Revert the recent commit that caused the ACPI _PTS method to
be executed in the power-off/reboot code path (as per the
specification) in an attempt to improve things on some systems
(apparently expecting _PTS to be executed in that code path),
but broke power-off/reboot on at least one other machine (Rafael
Wysocki).
- Fix kernel builds with the new WDAT watchdog driver enabled in
some configurations by explicitly selecting WATCHDOG_CORE when
enabling the WDAT watchdog driver (Mika Westerberg).
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Merge tag 'acpi-4.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"Two ACPI fixes for 4.9-rc7.
One of them reverts a recent ACPI commit that attempted to improve
reboot/power-off on some systems, but introduced problems elsewhere,
and the other one fixes kernel builds with the new WDAT watchdog
driver enabled in some configurations.
Specifics:
- Revert the recent commit that caused the ACPI _PTS method to be
executed in the power-off/reboot code path (as per the
specification) in an attempt to improve things on some systems
(apparently expecting _PTS to be executed in that code path), but
broke power-off/reboot on at least one other machine (Rafael
Wysocki).
- Fix kernel builds with the new WDAT watchdog driver enabled in some
configurations by explicitly selecting WATCHDOG_CORE when enabling
the WDAT watchdog driver (Mika Westerberg)"
* tag 'acpi-4.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
watchdog: wdat_wdt: Select WATCHDOG_CORE
Revert "ACPI: Execute _PTS before system reboot"
Following the kernel Bugzilla discussion during the Kernel Summit
(https://lwn.net/Articles/705245/), add bug tracking system location
entry type (B) to MAINTAINERS and populate it for several subsystems
known to be using the kernel BZ actively (and add the upstream BZ for
ACPICA too).
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This reverts commit 0317e6c0f1.
Srinivas reported recently touchscreen and touchpad stopped working in
Haswell based machine in Linux 4.9-rc series with timeout errors from
i2c_designware:
[ 16.508013] i2c_designware INT33C3:00: controller timed out
[ 16.508302] i2c_hid i2c-MSFT0001:02: failed to change power setting.
[ 17.532016] i2c_designware INT33C3:00: controller timed out
[ 18.556022] i2c_designware INT33C3:00: controller timed out
[ 18.556315] i2c_hid i2c-ATML1000:00: failed to retrieve report from device.
I managed to reproduce similar errors on another Haswell based machine
where touchscreen initialization fails maybe in every 1/5 - 1/2 boots.
Since root cause for these errors is not clear yet and debugging is
ongoing it's better to revert this commit as we are near to release.
Reported-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Merge tag 'linux-can-fixes-for-4.9-20161123' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2016-11-23
this is a pull request for net/master.
The patch by Oliver Hartkopp for the broadcast manager (bcm) fixes the
CAN-FD support, which may cause an out-of-bounds access otherwise.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Drop duplicate headers types.h and delay.h from dwc_eth_qos.c.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'mfd-fixes-4.9.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD fixes from Lee Jones:
"Received a copule of last minute fixes for v4.9.
The patches from Viresh are fixing issues displayed in KernelCI"
* tag 'mfd-fixes-4.9.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
mfd: wm8994-core: Don't use managed regulator bulk get API
mfd: wm8994-core: Disable regulators before removing them
mfd: syscon: Support native-endian regmaps
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=N8S/
-----END PGP SIGNATURE-----
Merge tag 'drm-fixes-for-v4.9-rc7' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Seems to be quietening down nicely, a few mediatek, one exynos and one
hdlcd fix, along with two amd fixes"
* tag 'drm-fixes-for-v4.9-rc7' of git://people.freedesktop.org/~airlied/linux:
gpu/drm/exynos/exynos_hdmi - Unmap region obtained by of_iomap
drm/mediatek: fix null pointer dereference
drm/mediatek: fixed the calc method of data rate per lane
drm/mediatek: fix a typo of DISP_OD_CFG to OD_RELAYMODE
drm/radeon: fix power state when port pm is unavailable (v2)
drm/amdgpu: fix power state when port pm is unavailable
drm/arm: hdlcd: fix plane base address update
drm/amd/powerplay: avoid out of bounds access on array ps.
This is the second issue I noticed in reviewing the parisc TLB code.
The fic instruction may use either the instruction or data TLB in
flushing the instruction cache. Thus, on machines with a split TLB, we
should also flush the data TLB after setting up the temporary alias
registers.
Although this has no functional impact, I changed the pdtlb and pitlb
instructions to consistently use the index register %r0. These
instructions do not support integer displacements.
Tested on rp3440 and c8000.
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Cc: <stable@vger.kernel.org> # v3.16+
Signed-off-by: Helge Deller <deller@gmx.de>
We are still troubled by occasional random segmentation faults and
memory memory corruption on SMP machines. The causes quite a few
package builds to fail on the Debian buildd machines for parisc. When
gcc-6 failed to build three times in a row, I looked again at the TLB
related code. I found a couple of issues. This is the first.
In general, we need to ensure page table updates and corresponding TLB
purges are atomic. The attached patch fixes an instance in pci-dma.c
where the page table update was not guarded by the TLB lock.
Tested on rp3440 and c8000. So far, no further random segmentation
faults have been observed.
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Cc: <stable@vger.kernel.org> # v3.16+
Signed-off-by: Helge Deller <deller@gmx.de>
Drop the open-coded sched_clock() function and replace it by the provided
GENERIC_SCHED_CLOCK implementation. We have seen quite some hung tasks in the
past, which seem to be fixed by this patch.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # v4.7+
Signed-off-by: Helge Deller <deller@gmx.de>
The kernel WARNs and then crashes today if wm8994_device_init() fails
after calling devm_regulator_bulk_get().
That happens because there are multiple devices involved here and the
order in which managed resources are freed isn't correct.
The regulators are added as children of wm8994->dev. Whereas,
devm_regulator_bulk_get() receives wm8994->dev as the device, though it
gets the same regulators which were added as children of wm8994->dev
earlier.
During failures, the children are removed first and the core eventually
calls regulator_unregister() for them. As regulator_put() was never done
for them (opposite of devm_regulator_bulk_get()), the kernel WARNs at
WARN_ON(rdev->open_count);
And eventually it crashes from debugfs_remove_recursive().
--------x------------------x----------------
wm8994 3-001a: Device is not a WM8994, ID is 0
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at /mnt/ssd/all/work/repos/devel/linux/drivers/regulator/core.c:4072 regulator_unregister+0xc8/0xd0
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.0-rc6-00154-g54fe84cbd50b #41
Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[<c010e24c>] (unwind_backtrace) from [<c010af38>] (show_stack+0x10/0x14)
[<c010af38>] (show_stack) from [<c032a1c4>] (dump_stack+0x88/0x9c)
[<c032a1c4>] (dump_stack) from [<c011a98c>] (__warn+0xe8/0x100)
[<c011a98c>] (__warn) from [<c011aa54>] (warn_slowpath_null+0x20/0x28)
[<c011aa54>] (warn_slowpath_null) from [<c0384a0c>] (regulator_unregister+0xc8/0xd0)
[<c0384a0c>] (regulator_unregister) from [<c0406434>] (release_nodes+0x16c/0x1dc)
[<c0406434>] (release_nodes) from [<c04039c4>] (__device_release_driver+0x8c/0x110)
[<c04039c4>] (__device_release_driver) from [<c0403a64>] (device_release_driver+0x1c/0x28)
[<c0403a64>] (device_release_driver) from [<c0402b24>] (bus_remove_device+0xd8/0x104)
[<c0402b24>] (bus_remove_device) from [<c03ffcd8>] (device_del+0x10c/0x218)
[<c03ffcd8>] (device_del) from [<c0404e4c>] (platform_device_del+0x1c/0x88)
[<c0404e4c>] (platform_device_del) from [<c0404ec4>] (platform_device_unregister+0xc/0x20)
[<c0404ec4>] (platform_device_unregister) from [<c0428bc0>] (mfd_remove_devices_fn+0x5c/0x64)
[<c0428bc0>] (mfd_remove_devices_fn) from [<c03ff9d8>] (device_for_each_child_reverse+0x4c/0x78)
[<c03ff9d8>] (device_for_each_child_reverse) from [<c04288c4>] (mfd_remove_devices+0x20/0x30)
[<c04288c4>] (mfd_remove_devices) from [<c042758c>] (wm8994_device_init+0x2ac/0x7f0)
[<c042758c>] (wm8994_device_init) from [<c04f14a8>] (i2c_device_probe+0x178/0x1fc)
[<c04f14a8>] (i2c_device_probe) from [<c04036fc>] (driver_probe_device+0x214/0x2c0)
[<c04036fc>] (driver_probe_device) from [<c0403854>] (__driver_attach+0xac/0xb0)
[<c0403854>] (__driver_attach) from [<c0401a74>] (bus_for_each_dev+0x68/0x9c)
[<c0401a74>] (bus_for_each_dev) from [<c0402cf0>] (bus_add_driver+0x1a0/0x218)
[<c0402cf0>] (bus_add_driver) from [<c040406c>] (driver_register+0x78/0xf8)
[<c040406c>] (driver_register) from [<c04f20a0>] (i2c_register_driver+0x34/0x84)
[<c04f20a0>] (i2c_register_driver) from [<c01017d0>] (do_one_initcall+0x40/0x170)
[<c01017d0>] (do_one_initcall) from [<c0a00dbc>] (kernel_init_freeable+0x15c/0x1fc)
[<c0a00dbc>] (kernel_init_freeable) from [<c06e07b0>] (kernel_init+0x8/0x114)
[<c06e07b0>] (kernel_init) from [<c0107978>] (ret_from_fork+0x14/0x3c)
---[ end trace 0919d3d0bc998260 ]---
[snip..]
Unable to handle kernel NULL pointer dereference at virtual address 00000078
pgd = c0004000
[00000078] *pgd=00000000
Internal error: Oops: 5 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.8.0-rc6-00154-g54fe84cbd50b #41
Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
task: ee874000 task.stack: ee878000
PC is at down_write+0x14/0x54
LR is at debugfs_remove_recursive+0x30/0x150
[snip..]
[<c06e489c>] (down_write) from [<c02e9954>] (debugfs_remove_recursive+0x30/0x150)
[<c02e9954>] (debugfs_remove_recursive) from [<c0382b78>] (_regulator_put+0x24/0xac)
[<c0382b78>] (_regulator_put) from [<c0382c1c>] (regulator_put+0x1c/0x2c)
[<c0382c1c>] (regulator_put) from [<c0406434>] (release_nodes+0x16c/0x1dc)
[<c0406434>] (release_nodes) from [<c04035d4>] (driver_probe_device+0xec/0x2c0)
[<c04035d4>] (driver_probe_device) from [<c0403854>] (__driver_attach+0xac/0xb0)
[<c0403854>] (__driver_attach) from [<c0401a74>] (bus_for_each_dev+0x68/0x9c)
[<c0401a74>] (bus_for_each_dev) from [<c0402cf0>] (bus_add_driver+0x1a0/0x218)
[<c0402cf0>] (bus_add_driver) from [<c040406c>] (driver_register+0x78/0xf8)
[<c040406c>] (driver_register) from [<c04f20a0>] (i2c_register_driver+0x34/0x84)
[<c04f20a0>] (i2c_register_driver) from [<c01017d0>] (do_one_initcall+0x40/0x170)
[<c01017d0>] (do_one_initcall) from [<c0a00dbc>] (kernel_init_freeable+0x15c/0x1fc)
[<c0a00dbc>] (kernel_init_freeable) from [<c06e07b0>] (kernel_init+0x8/0x114)
[<c06e07b0>] (kernel_init) from [<c0107978>] (ret_from_fork+0x14/0x3c)
Code: e1a04000 f590f000 e3a03001 e34f3fff (e1902f9f)
---[ end trace 0919d3d0bc998262 ]---
--------x------------------x----------------
Fix the kernel warnings and crashes by using regulator_bulk_get()
instead of devm_regulator_bulk_get() and explicitly freeing the supplies
in exit paths.
Tested on Exynos 5250, dual core ARM A15 machine.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The order in which resources were freed in wm8994_device_exit() isn't
correct. The regulators are removed before they are disabled.
Fix it by reordering code a bit, which makes it exact opposite of
wm8994_device_init() as well.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Since commit 4bcc595ccd ("printk: reinstate KERN_CONT for printing
continuation lines") the output from __do_page_fault on MIPS has been
pretty unreadable due to the lack of KERN_CONT markers. Use pr_cont
to provide the appropriate markers & restore the expected output.
Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14544/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The regmap devicetree binding documentation states that a native-endian
property should be supported as well as big-endian & little-endian,
however syscon in its duplication of the parsing of these properties
omits support for native-endian. Fix this by setting
REGMAP_ENDIAN_NATIVE when a native-endian property is found.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This branch include patches of fixing a typo, accurate dsi frame rate,
and fixing null pointer dereference.
* 'mediatek-drm-fixes-2016-11-24' of https://github.com/ckhu-mediatek/linux.git-tags:
drm/mediatek: fix null pointer dereference
drm/mediatek: fixed the calc method of data rate per lane
drm/mediatek: fix a typo of DISP_OD_CFG to OD_RELAYMODE
With commit e58e87adc8 ("powerpc/mm: Update _PAGE_KERNEL_RO") we
started using the ppp value 0b110 to map kernel readonly. But that
facility was only added as part of ISA 2.04. For earlier ISA version
only supported ppp bit value for readonly mapping is 0b011. (This
implies both user and kernel get mapped using the same ppp bit value for
readonly mapping.).
Update the code such that for earlier architecture version we use ppp
value 0b011 for readonly mapping. We don't differentiate between power5+
and power5 here and apply the new ppp bits only from power6 (ISA 2.05).
This keep the changes minimal.
This fixes issue with PS3 spu usage reported at
https://lkml.kernel.org/r/rep.1421449714.geoff@infradead.org
Fixes: e58e87adc8 ("powerpc/mm: Update _PAGE_KERNEL_RO")
Cc: stable@vger.kernel.org # v4.7+
Tested-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Free memory mapping, if hdmi_probe is not successful.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Johan Hedberg says:
====================
pull request: bluetooth 2016-11-23
Sorry about the late pull request for 4.9, but we have one more
important Bluetooth patch that should make it to the release. It fixes
connection creation for Bluetooth LE controllers that do not have a
public address (only a random one).
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Should pass valid filter handle, not the netlink flags.
Fixes: 30a391a13a ("net sched filters: pass netlink message flags in event notification")
Signed-off-by: Roman Mashak <mrv@mojatatu.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reported-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
In case the link change and EEE is enabled or disabled, always try to
re-negotiate this with the link partner.
Fixes: 450b05c15f ("net: dsa: bcm_sf2: add support for controlling EEE")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When busy polling while a link is down (during a link-flap test), TX
timeouts were observed as well as the following messages in the ring
buffer:
bnxt_en 0008:01:00.2 enP8p1s0f2d2: Resp cmpl intr err msg: 0x51
bnxt_en 0008:01:00.2 enP8p1s0f2d2: hwrm_ring_free tx failed. rc:-1
bnxt_en 0008:01:00.2 enP8p1s0f2d2: Resp cmpl intr err msg: 0x51
bnxt_en 0008:01:00.2 enP8p1s0f2d2: hwrm_ring_free rx failed. rc:-1
These were resolved by checking for link status and returning if link
was not up.
Signed-off-by: Andy Gospodarek <gospo@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Tested-by: Rob Miller <rob.miller@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In commits 93821778de ("udp: Fix rcv socket locking") and
f7ad74fef3 ("net/ipv6/udp: UDP encapsulation: break backlog_rcv into
__udpv6_queue_rcv_skb") UDP backlog handlers were renamed, but UDPlite
was forgotten.
This leads to crashes if UDPlite header is pulled twice, which happens
starting from commit e6afc8ace6 ("udp: remove headers from UDP packets
before queueing")
Bug found by syzkaller team, thanks a lot guys !
Note that backlog use in UDP/UDPlite is scheduled to be removed starting
from linux-4.10, so this patch is only needed up to linux-4.9
Fixes: 93821778de ("udp: Fix rcv socket locking")
Fixes: f7ad74fef3 ("net/ipv6/udp: UDP encapsulation: break backlog_rcv into __udpv6_queue_rcv_skb")
Fixes: e6afc8ace6 ("udp: remove headers from UDP packets before queueing")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Here are a few small USB fixes and new device ids for 4.9-rc7.
The majority of these fixes are in the musb driver, fixing a number of
regressions that have been reported but took a while to resolve. The
other fixes are all small ones, to resolve other reported minor issues.
All have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a few small USB fixes and new device ids for 4.9-rc7.
The majority of these fixes are in the musb driver, fixing a number of
regressions that have been reported but took a while to resolve. The
other fixes are all small ones, to resolve other reported minor
issues.
All have been in linux-next for a while with no reported issues"
* tag 'usb-4.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: gadget: f_fs: fix wrong parenthesis in ffs_func_req_match()
phy: twl4030-usb: Fix for musb session bit based PM
usb: musb: Drop pointless PM runtime code for dsps glue
usb: musb: Add missing pm_runtime_disable and drop 2430 PM timeout
usb: musb: Fix PM for hub disconnect
usb: musb: Fix sleeping function called from invalid context for hdrc glue
usb: musb: Fix broken use of static variable for multiple instances
USB: serial: cp210x: add ID for the Zone DPMX
usb: chipidea: move the lock initialization to core file
Fix USB CB/CBI storage devices with CONFIG_VMAP_STACK=y
USB: serial: ftdi_sio: add support for TI CC3200 LaunchPad
Pull HID fixes from Jiri Kosina:
- DMA-on-stack fixes for a couple drivers, from Benjamin Tissoires
- small memory sanitization fix for sensor-hub driver, from Song
Hongyan
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: hid-sensor-hub: clear memory to avoid random data
HID: rmi: make transfer buffers DMA capable
HID: magicmouse: make transfer buffers DMA capable
HID: lg: make transfer buffers DMA capable
HID: cp2112: make transfer buffers DMA capable
KVM was using arrays of size KVM_MAX_VCPUS with vcpu_id, but ID can be
bigger that the maximal number of VCPUs, resulting in out-of-bounds
access.
Found by syzkaller:
BUG: KASAN: slab-out-of-bounds in __apic_accept_irq+0xb33/0xb50 at addr [...]
Write of size 1 by task a.out/27101
CPU: 1 PID: 27101 Comm: a.out Not tainted 4.9.0-rc5+ #49
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
[...]
Call Trace:
[...] __apic_accept_irq+0xb33/0xb50 arch/x86/kvm/lapic.c:905
[...] kvm_apic_set_irq+0x10e/0x180 arch/x86/kvm/lapic.c:495
[...] kvm_irq_delivery_to_apic+0x732/0xc10 arch/x86/kvm/irq_comm.c:86
[...] ioapic_service+0x41d/0x760 arch/x86/kvm/ioapic.c:360
[...] ioapic_set_irq+0x275/0x6c0 arch/x86/kvm/ioapic.c:222
[...] kvm_ioapic_inject_all arch/x86/kvm/ioapic.c:235
[...] kvm_set_ioapic+0x223/0x310 arch/x86/kvm/ioapic.c:670
[...] kvm_vm_ioctl_set_irqchip arch/x86/kvm/x86.c:3668
[...] kvm_arch_vm_ioctl+0x1a08/0x23c0 arch/x86/kvm/x86.c:3999
[...] kvm_vm_ioctl+0x1fa/0x1a70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3099
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Cc: stable@vger.kernel.org
Fixes: af1bae5497 ("KVM: x86: bump KVM_MAX_VCPU_ID to 1023")
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
em_jmp_far and em_ret_far assumed that setting IP can only fail in 64
bit mode, but syzkaller proved otherwise (and SDM agrees).
Code segment was restored upon failure, but it was left uninitialized
outside of long mode, which could lead to a leak of host kernel stack.
We could have fixed that by always saving and restoring the CS, but we
take a simpler approach and just break any guest that manages to fail
as the error recovery is error-prone and modern CPUs don't need emulator
for this.
Found by syzkaller:
WARNING: CPU: 2 PID: 3668 at arch/x86/kvm/emulate.c:2217 em_ret_far+0x428/0x480
Kernel panic - not syncing: panic_on_warn set ...
CPU: 2 PID: 3668 Comm: syz-executor Not tainted 4.9.0-rc4+ #49
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
[...]
Call Trace:
[...] __dump_stack lib/dump_stack.c:15
[...] dump_stack+0xb3/0x118 lib/dump_stack.c:51
[...] panic+0x1b7/0x3a3 kernel/panic.c:179
[...] __warn+0x1c4/0x1e0 kernel/panic.c:542
[...] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585
[...] em_ret_far+0x428/0x480 arch/x86/kvm/emulate.c:2217
[...] em_ret_far_imm+0x17/0x70 arch/x86/kvm/emulate.c:2227
[...] x86_emulate_insn+0x87a/0x3730 arch/x86/kvm/emulate.c:5294
[...] x86_emulate_instruction+0x520/0x1ba0 arch/x86/kvm/x86.c:5545
[...] emulate_instruction arch/x86/include/asm/kvm_host.h:1116
[...] complete_emulated_io arch/x86/kvm/x86.c:6870
[...] complete_emulated_mmio+0x4e9/0x710 arch/x86/kvm/x86.c:6934
[...] kvm_arch_vcpu_ioctl_run+0x3b7a/0x5a90 arch/x86/kvm/x86.c:6978
[...] kvm_vcpu_ioctl+0x61e/0xdd0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2557
[...] vfs_ioctl fs/ioctl.c:43
[...] do_vfs_ioctl+0x18c/0x1040 fs/ioctl.c:679
[...] SYSC_ioctl fs/ioctl.c:694
[...] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685
[...] entry_SYSCALL_64_fastpath+0x1f/0xc2
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Cc: stable@vger.kernel.org
Fixes: d1442d85cc ("KVM: x86: Handle errors when RIP is set during far jumps")
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Linus Torvalds
Jon Paul Maloy
Arnd Bergmann
Geliang Tang
Dan Carpenter
Miroslav Lichvar
Andrew Lunn
Rafael J. Wysocki
Jarkko Nikula
David S. Miller
John David Anglin
Helge Deller
Viresh Kumar
Matt Redfearn
Paul Burton
Dave Airlie
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