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Trivial fix to spelling mistake in printk message.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add support in v2 hw driver for ACPI.
A check on whether an ACPI handle is available for the device is used to
decide on whether to use ACPI reset handler or syscon for hw reset.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
Reviewed-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When a virtual scsi DVD device is present with no image file
attached the storvsc driver logs all resulting unnecessary sense errors
whenever IO is issued to the device.
[storvsc] Sense Key : Not Ready [current]
[storvsc] Add. Sense: Medium not present - tray closed
[mkp: Fixed whitespace]
Signed-off-by: Cathy Avery <cavery@redhat.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The "fcp_rsp_code = %d" message isn't an error, it's meant to be
informative only. This patch prevents a flood of such messages in some
situations.
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Tested-by: Laurence Oberman <loberman@redhat.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
If _scsih_sas_host_add's call to mpt3sas_config_get_sas_iounit_pg0
fails, ioc->sas_hba.parent_dev may be left uninitialized. A later
device probe could invoke mpt3sas_transport_port_add which will call
sas_port_alloc_num [scsi_transport_sas] with a NULL parent_dev pointer.
Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
Acked-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
In _scsih_sas_host_add, the number of HBA phys are determined and then
later used to allocate an array of struct _sas_phy's. If the routine
sets ioc->sas_hba.num_phys, but then fails to allocate the
ioc->sas_hba.phy array (by kcalloc error or other intermediate
error/exit path), ioc->sas_hba is left in a dangerous state: all readers
of ioc->sas_hba.phy[] do so by indexing it from 0..ioc->sas_hba.num_phys
without checking that the space was ever allocated.
Modify _scsih_sas_host_add to set ioc->sas_hba.num_phys only after
successfully allocating ioc->sas_hba.phy[].
Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
Acked-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This patch adds license info to the tc-dwc-g210 and ufshcd-dwc files in
order for them to have access to some ufshcd symbols when all are built
as modules.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Submitters of device tree binding documentation may forget to CC the
subsystem maintainer if this is missing.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use kmemdup when some other buffer is immediately copied into allocated
region. It replaces call to allocation followed by memcpy, by a single
call to kmemdup.
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Reviewed-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
firmare -> firmware
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Jack Wang <jinpu.wang@profitbricks.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This patch adds a glue pci driver for the Synopsys G210 Test Chip.
[mkp: Fixed Kconfig depends and module name]
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This patch adds a glue platform driver for the Synopsys G210 Test Chip.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This patch adds support for Synopsys G210 Test Chip.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This patch has the goal to add support for DesignWare UFS Controller
specific operations.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add link status to ufshci.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add unipro attributes.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add UFS 2.0 support to the UFS core driver.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add UFS 2.0 to the ufshcd-pltfrm devicetree binding.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fixed typo in ufshcd-pltfrm.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit looks like a cleanup but in fact by causing the core to go
down some simplified code paths for noop regulators it avoids a boot
time crash for msm8974 platforms which was introduced in v4.7. It has
been in -next for a while, the issues in mainline for these platforms
weren't flagged up to me until yesterday (I think it took some time to
figure out what was going wrong).
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Merge tag 'qcom-smd-list-voltage' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"Fix qcom-smd list voltage issues for msm8974
This commit looks like a cleanup but in fact by causing the core to go
down some simplified code paths for noop regulators it avoids a boot
time crash for msm8974 platforms which was introduced in v4.7. It has
been in -next for a while, the issues in mainline for these platforms
weren't flagged up to me until yesterday (I think it took some time to
figure out what was going wrong)"
* tag 'qcom-smd-list-voltage' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: qcom_smd: Remove list_voltage callback for rpm_smps_ldo_ops_fixed
Pull vfs fixes from Al Viro.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
posix_acl: de-union a_refcount and a_rcu
nfs_atomic_open(): prevent parallel nfs_lookup() on a negative hashed
Use the right predicate in ->atomic_open() instances
Currently the two are unioned together, but I don't think that's safe.
It looks like get_cached_acl could race with the last put in
posix_acl_release. get_cached_acl calls atomic_inc_not_zero on
a_refcount, but that field could have already been clobbered by
call_rcu, and may no longer be zero. Fix this by de-unioning the two
fields.
Fixes: b8a7a3a667 (posix_acl: Inode acl caching fixes)
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
The well-spotted fallocate undo fix is good in most cases, but not when
fallocate failed on the very first page. index 0 then passes lend -1
to shmem_undo_range(), and that has two bad effects: (a) that it will
undo every fallocation throughout the file, unrestricted by the current
range; but more importantly (b) it can cause the undo to hang, because
lend -1 is treated as truncation, which makes it keep on retrying until
every page has gone, but those already fully instantiated will never go
away. Big thank you to xfstests generic/269 which demonstrates this.
Fixes: b9b4bb26af ("tmpfs: don't undo fallocate past its last page")
Cc: stable@vger.kernel.org
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull MIPS fix from Ralf Baechle:
"Another week with just a single 4.7 fix.
This fixes a possible 'loss' of the huge page bit from pmd on
permission change"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: Fix page table corruption on THP permission changes.
Three fixes. One is the qla24xx MSI regression, one is a theoretical
problem over blacklist matching, which would bite USB badly if it ever
triggered and one is a system hang with a particular type of IPR
device.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Three fixes. One is the qla24xx MSI regression, one is a theoretical
problem over blacklist matching, which would bite USB badly if it ever
triggered and one is a system hang with a particular type of IPR
device"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
qla2xxx: Fix NULL pointer deref in QLA interrupt
SCSI: fix new bug in scsi_dev_info_list string matching
ipr: Clear interrupt on croc/crocodile when running with LSI
- Provide a more concise fix for CVE-2016-1583
+ Additionally fixes linux-stable regressions caused by the cherry-picking of
the original fix
- Some very minor changes that have queued up
+ Fix typos in code comments
+ Remove unnecessary check for NULL before destroying kmem_cache
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Merge tag 'ecryptfs-4.7-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs
Pull eCryptfs fixes from Tyler Hicks:
"Provide a more concise fix for CVE-2016-1583:
- Additionally fixes linux-stable regressions caused by the
cherry-picking of the original fix
Some very minor changes that have queued up:
- Fix typos in code comments
- Remove unnecessary check for NULL before destroying kmem_cache"
* tag 'ecryptfs-4.7-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs:
ecryptfs: don't allow mmap when the lower fs doesn't support it
Revert "ecryptfs: forbid opening files without mmap handler"
ecryptfs: fix spelling mistakes
eCryptfs: fix typos in comment
ecryptfs: drop null test before destroy functions
Two Fixes:
* Intel VT-d fix for a suspend/resume issue, introduced with the
scalability improvements in this cycle.
* AMD IOMMU fix for systems that have unity mappings defined. There was
a race where translation got enabled before the unity mappings were
in place. This issue was seen on some HP servers.
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Merge tag 'iommu-fixes-v4.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"Two Fixes:
- Intel VT-d fix for a suspend/resume issue, introduced with the
scalability improvements in this cycle.
- AMD IOMMU fix for systems that have unity mappings defined. There
was a race where translation got enabled before the unity mappings
were in place. This issue was seen on some HP servers"
* tag 'iommu-fixes-v4.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Fix unity mapping initialization race
iommu/vt-d: Fix infinite loop in free_all_cpu_cached_iovas
- Fix two bugs in the handling of xenbus transactions.
- Make the xen acpi driver compatible with Xen 4.7.
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Merge tag 'for-linus-4.7b-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen bug fixes from David Vrabel:
- Fix two bugs in the handling of xenbus transactions.
- Make the xen acpi driver compatible with Xen 4.7.
* tag 'for-linus-4.7b-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/acpi: allow xen-acpi-processor driver to load on Xen 4.7
xenbus: simplify xenbus_dev_request_and_reply()
xenbus: don't bail early from xenbus_dev_request_and_reply()
xenbus: don't BUG() on user mode induced condition
- Enforce USER_DS on exception entry from EL1
- Apply workaround for Cavium errata #27456 on Thunderx-81xx parts
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"A couple of late fixes here, but one that we've been sitting on for a
few weeks while the details were worked out. Specifically, we now
enforce USER_DS on taking exceptions whilst in the kernel, which
avoids leaking kernel data to userspace through things like perf. The
other patch is an update to a workaround for a hardware erratum on
some Cavium SoCs.
Summary:
- Enforce USER_DS on exception entry from EL1
- Apply workaround for Cavium errata #27456 on Thunderx-81xx parts"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Enable workaround for Cavium erratum 27456 on thunderx-81xx
arm64: kernel: Save and restore UAO and addr_limit on exception entry
Pull x86 fixes from Ingo Molnar:
"Three fixes:
- A boot crash fix with certain configs
- a MAINTAINERS entry update
- Documentation typo fixes"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/Documentation: Fix various typos in Documentation/x86/ files
x86/amd_nb: Fix boot crash on non-AMD systems
MAINTAINERS: Update the Calgary IOMMU entry
Pull perf fixes from Ingo Molnar:
"Various fixes:
- 32-bit callgraph bug fix
- suboptimal event group scheduling bug fix
- event constraint fixes for Broadwell/Skylake
- RAPL module name collision fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Fix pmu::filter_match for SW-led groups
x86/perf/intel/rapl: Fix module name collision with powercap intel-rapl
perf/x86: Fix 32-bit perf user callgraph collection
perf/x86/intel: Update event constraints when HT is off
Pull irq fixes from Ingo Molnar:
"Two MIPS-GIC irqchip driver fixes to unbreak certain MIPS boards"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/mips-gic: Match IPI IRQ domain by bus token only
irqchip/mips-gic: Map to VPs using HW VPNum
- Fix an oops on the Asus Eee PC 1201
- Revert a patch trying to split GPIO parsing and GPIO configuration
- Revert a too liberal compile testing thing
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Merge tag 'gpio-v4.7-5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"I don't like to toss in last minute patches, but these are all for
things that are broken, and have bitten people for real. Two of them
go into stable. Maybe all of them if the compile test problem is a
pain in the ass also for stable folks.
Final (hopefully) GPIO fixes for v4.7:
- Fix an oops on the Asus Eee PC 1201
- Revert a patch trying to split GPIO parsing and GPIO configuration
- Revert a too liberal compile testing thing"
* tag 'gpio-v4.7-5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
Revert "gpio: gpiolib-of: Allow compile testing"
Revert "gpiolib: Split GPIO flags parsing and GPIO configuration"
gpio: sch: Fix Oops on module load on Asus Eee PC 1201
Pull drm fixes from Dave Airlie:
"One nouveau fix, and a few AMD Polaris fixes and some Allwinner fixes.
I've got some vmware fixes that I might send separate over the
weekend, they fix some black screens, but I'm still debating them"
* tag 'drm-fixes-for-v4.7-rc7' of git://people.freedesktop.org/~airlied/linux:
drm/amd/powerplay: Update CKS on/ CKS off voltage offset calculation.
drm/amd/powerplay: fix bug that get wrong polaris evv voltage.
drm/amd/powerplay: incorrectly use of the function return value
drm/amd/powerplay: fix incorrect voltage table value for tonga
drm/amd/powerplay: fix incorrect voltage table value for polaris10
drm/nouveau/disp/sor/gf119: select correct sor when poking training pattern
gpu: drm: sun4i_drv: add missing of_node_put after calling of_parse_phandle
drm/sun4i: Send vblank event when the CRTC is disabled
drm/sun4i: Report proper vblank
There are legitimate reasons to disallow mmap on certain files, notably
in sysfs or procfs. We shouldn't emulate mmap support on file systems
that don't offer support natively.
CVE-2016-1583
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Cc: stable@vger.kernel.org
[tyhicks: clean up f_op check by using ecryptfs_file_to_lower()]
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
As of Xen 4.7 PV CPUID doesn't expose either of CPUID[1].ECX[7] and
CPUID[0x80000007].EDX[7] anymore, causing the driver to fail to load on
both Intel and AMD systems. Doing any kind of hardware capability
checks in the driver as a prerequisite was wrong anyway: With the
hypervisor being in charge, all such checking should be done by it. If
ACPI data gets uploaded despite some missing capability, the hypervisor
is free to ignore part or all of that data.
Ditch the entire check_prereq() function, and do the only valid check
(xen_initial_domain()) in the caller in its place.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
No need to retain a local copy of the full request message, only the
type is really needed.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
xenbus_dev_request_and_reply() needs to track whether a transaction is
open. For XS_TRANSACTION_START messages it calls transaction_start()
and for XS_TRANSACTION_END messages it calls transaction_end().
If sending an XS_TRANSACTION_START message fails or responds with an
an error, the transaction is not open and transaction_end() must be
called.
If sending an XS_TRANSACTION_END message fails, the transaction is
still open, but if an error response is returned the transaction is
closed.
Commit 027bd7e899 ("xen/xenbus: Avoid synchronous wait on XenBus
stalling shutdown/restart") introduced a regression where failed
XS_TRANSACTION_START messages were leaving the transaction open. This
can cause problems with suspend (and migration) as all transactions
must be closed before suspending.
It appears that the problematic change was added accidentally, so just
remove it.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Pull apparmor fix from James Morris.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
apparmor: fix oops, validate buffer size in apparmor_setprocattr()
- Fix a lock ordering issue in ACPICA introduced by a recent commit
that attempted to fix a deadlock in the dynamic table loading code
which in turn appeared after changes related to the handling of
module-level AML also made in this cycle (Lv Zheng).
- Fix a recent regression in the ACPI IRQ management code that may
cause PCI drivers to be unable to register an IRQ if that IRQ
happens to be shared with a device on the ISA bus, like the
parallel port, by reverting one commit entirely and restoring the
previous behavior in two other places (Sinan Kaya).
- Fix a recent regression in the ACPI AML debugger introduced by
the commit that removed incorrect usage of IS_ERR_VALUE() from
multiple places (Lv Zheng).
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Merge tag 'acpi-4.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"All of these fix recent regressions in ACPICA, in the ACPI PCI IRQ
management code and in the ACPI AML debugger.
Specifics:
- Fix a lock ordering issue in ACPICA introduced by a recent commit
that attempted to fix a deadlock in the dynamic table loading code
which in turn appeared after changes related to the handling of
module-level AML also made in this cycle (Lv Zheng).
- Fix a recent regression in the ACPI IRQ management code that may
cause PCI drivers to be unable to register an IRQ if that IRQ
happens to be shared with a device on the ISA bus, like the
parallel port, by reverting one commit entirely and restoring the
previous behavior in two other places (Sinan Kaya).
- Fix a recent regression in the ACPI AML debugger introduced by the
commit that removed incorrect usage of IS_ERR_VALUE() from multiple
places (Lv Zheng)"
* tag 'acpi-4.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / debugger: Fix regression introduced by IS_ERR_VALUE() removal
ACPICA: Namespace: Fix namespace/interpreter lock ordering
ACPI,PCI,IRQ: separate ISA penalty calculation
Revert "ACPI, PCI, IRQ: remove redundant code in acpi_irq_penalty_init()"
ACPI,PCI,IRQ: factor in PCI possible
- Fix a recent performance regression on Power systems (powernv
and pseries) introduced by a core cpuidle commit that decreased
the precision of the last_residency conversion from nano- to
microseconds, which should not matter in theory, but turned out
to play not-so-well with the special "snooze" idle state on Power
(Shreyas B Prabhu).
- Fix a crash during resume from hibernation on x86-64 caused by
possible corruption of the kernel text part of page tables in the
last phase of image restoration exposed by a security-related
change during the 4.3 development cycle (Rafael Wysocki).
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Merge tag 'pm-4.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"One fix for a recent cpuidle core change that, against all odds,
introduced a functional regression on Power systems and the fix for
the crash during resume from hibernation on x86-64 that has been in
the works for the last few weeks (it actually was ready last week, but
I wanted to allow the reporters to test if for some more time).
Specifics:
- Fix a recent performance regression on Power systems (powernv and
pseries) introduced by a core cpuidle commit that decreased the
precision of the last_residency conversion from nano- to
microseconds, which should not matter in theory, but turned out to
play not-so-well with the special "snooze" idle state on Power
(Shreyas B Prabhu).
- Fix a crash during resume from hibernation on x86-64 caused by
possible corruption of the kernel text part of page tables in the
last phase of image restoration exposed by a security-related
change during the 4.3 development cycle (Rafael Wysocki)"
* tag 'pm-4.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: Fix last_residency division
x86/power/64: Fix kernel text mapping corruption during image restoration
A new set of fixes for the sun4i driver, mostly related to vblank handling,
and a minor fix to release a reference on the device tree nodes we're
parsing in the probe logic.
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Merge tag 'sunxi-drm-fixes-for-4.7-2' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into drm-fixes
Allwinner DRM driver fixes for 4.7, take 2
A new set of fixes for the sun4i driver, mostly related to vblank handling,
and a minor fix to release a reference on the device tree nodes we're
parsing in the probe logic.
* tag 'sunxi-drm-fixes-for-4.7-2' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
gpu: drm: sun4i_drv: add missing of_node_put after calling of_parse_phandle
drm/sun4i: Send vblank event when the CRTC is disabled
drm/sun4i: Report proper vblank
When proc_pid_attr_write() was changed to use memdup_user apparmor's
(interface violating) assumption that the setprocattr buffer was always
a single page was violated.
The size test is not strictly speaking needed as proc_pid_attr_write()
will reject anything larger, but for the sake of robustness we can keep
it in.
SMACK and SELinux look safe to me, but somebody else should probably
have a look just in case.
Based on original patch from Vegard Nossum <vegard.nossum@oracle.com>
modified for the case that apparmor provides null termination.
Fixes: bb646cdb12
Reported-by: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: John Johansen <john.johansen@canonical.com>
Cc: Paul Moore <paul@paul-moore.com>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: Eric Paris <eparis@parisplace.org>
Cc: Casey Schaufler <casey@schaufler-ca.com>
Cc: stable@kernel.org
Signed-off-by: John Johansen <john.johansen@canonical.com>
Reviewed-by: Tyler Hicks <tyhicks@canonical.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
This reverts commit 2f36db7100.
It fixed a local root exploit but also introduced a dependency on
the lower file system implementing an mmap operation just to open a file,
which is a bit of a heavy hammer. The right fix is to have mmap depend
on the existence of the mmap handler instead.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Pull block IO fixes from Jens Axboe:
"Three small fixes that have been queued up and tested for this series:
- A bug fix for xen-blkfront from Bob Liu, fixing an issue with
incomplete requests during migration.
- A fix for an ancient issue in retrieving the IO priority of a
different PID than self, preventing that task from going away while
we access it. From Omar.
- A writeback fix from Tahsin, fixing a case where we'd call ihold()
with a zero ref count inode"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: fix use-after-free in sys_ioprio_get()
writeback: inode cgroup wb switch should not call ihold()
xen-blkfront: save uncompleted reqs in blkfront_resume()
