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pull virtio/vhost fixes from Michael Tsirkin:
"This fixes a couple of bugs triggered by hot-unplug of virtio devices,
as well as a regression in vhost-net"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost/net: length miscalculation
virtio_pci: document why we defer kfree
virtio_pci: defer kfree until release callback
virtio_pci: device-specific release callback
virtio: make del_vqs idempotent
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"Including:
- a domain structure leak fix in the Intel VT-d driver
- compile error fix for the VMSA IPMMU driver because of the
IOMMU_EXEC -> IOMMU_NOEXEC conversion
- two small cleanups as an aftermath of the merge window and the
domain-leak fix"
* tag 'iommu-fixes-v3.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/rockchip: Drop owner assignment from platform_drivers
iommu/vt-d: Remove dead code in device_notifier
iommu/vt-d: Fix dmar_domain leak in iommu_attach_device
iommu/ipmmu-vmsa: Change IOMMU_EXEC to IOMMU_NOEXEC
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irqmap is optional property, so priv->domain can be NULL if !irqmap.
Thus add NULL test for priv->domain before calling irq_domain_remove()
to prevent NULL pointer dereference.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This patch adds missing registers('BUCK7_SW' & 'LDO29_CTRL'). Since BUCK7 has
1 more register (BUCK7_SW) than others, register offset should
be added one more for which has bigger address than BUCK7 registers.
Fixes: 76b9840b24ae04(regulator: s2mps11: Add support S2MPS13 regulator device)
Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org>
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The regulator framework maintains a list of consumer regulators
for a regulator device and protects it from concurrent access using
the regulator device's mutex lock.
In the case of regulator_put() the consumer is removed and regulator
device's parameters are updated without holding the regulator device's
mutex. This would lead to a race condition between the regulator_put()
and any function which traverses the consumer list or modifies regulator
device's parameters.
Fix this race condition by holding the regulator device's mutex in case
of regulator_put.
Signed-off-by: Ashay Jaiswal <ashayj@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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The queues and device need to be locked when messing with them.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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This freezes and stops all the queues on device shutdown and restarts
them on resume. This fixes hotplug and reset issues when the controller
is actively being used.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Aborts all requeued commands prior to killing the request_queue. For
commands that time out on a dying request queue, set the "Do Not Retry"
bit on the command status so the command cannot be requeued. Finanally, if
the driver is requested to abort a command it did not start, do nothing.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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This protects admin queue access on shutdown. When the controller is
disabled, the queue is frozen to prevent new entry, and unfrozen on
resume, and fixes cq_vector signedness to not suspend a queue twice.
Since unfreezing the queue makes it available for commands, it requires
the queue be initialized, so this moves this part after that.
Special handling is done when the device is unresponsive during
shutdown. This can be optimized to not require subsequent commands to
timeout, but saving that fix for later.
This patch also removes the kill signals in this path that were left-over
artifacts from the blk-mq conversion and no longer necessary.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Since there is no gendisk associated with the admin queue, the driver
needs to hold a reference to it until all open references to the
controller are closed.
This also combines queue cleanup with freeing the tag set since these
should not be separate.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Once the nvme callback is set for a request, the driver can start it
and make it available for timeout handling. For timed out commands on a
device that is not initialized, this fixes potential deadlocks that can
occur on startup and shutdown when a device is unresponsive since they
can now be cancelled.
Asynchronous requests do not have any expected timeout, so these are
using the new "REQ_NO_TIMEOUT" request flags.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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As defined, the DRAT (Deterministic Read After Trim) and RZAT (Return
Zero After Trim) flags in the ATA Command Set are unreliable in the
sense that they only define what happens if the device successfully
executed the DSM TRIM command. TRIM is only advisory, however, and the
device is free to silently ignore all or parts of the request.
In practice this renders the DRAT and RZAT flags completely useless and
because the results are unpredictable we decided to disable discard in
MD for 3.18 to avoid the risk of data corruption.
Hardware vendors in the real world obviously need better guarantees than
what the standards bodies provide. Unfortuntely those guarantees are
encoded in product requirements documents rather than somewhere we can
key off of them programatically. So we are compelled to disabling
discard_zeroes_data for all devices unless we explicitly have data to
support whitelisting them.
This patch whitelists SSDs from a few of the main vendors. None of the
whitelists are based on written guarantees. They are purely based on
empirical evidence collected from internal and external users that have
tested or qualified these drives in RAID deployments.
The whitelist is only meant as a starting point and is by no means
comprehensive:
- All intel SSD models except for 510
- Micron M5?0/M600
- Samsung SSDs
- Seagate SSDs
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
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We need to wait for the GPUVM flush to complete. There
was some confusion as to how this mechanism was supposed
to work. The operation is not atomic. For GPU initiated
invalidations you need to read back a VM register to
introduce enough latency for the update to complete.
v2: drop gart changes
v3: just read back rather than polling
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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We need to wait for the GPUVM flush to complete. There
was some confusion as to how this mechanism was supposed
to work. The operation is not atomic. For GPU initiated
invalidations you need to read back a VM register to
introduce enough latency for the update to complete.
v2: drop gart changes
v3: just read back rather than polling
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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We need to wait for the GPUVM flush to complete. There
was some confusion as to how this mechanism was supposed
to work. The operation is not atomic. For GPU initiated
invalidations you need to read back a VM register to
introduce enough latency for the update to complete.
v2: drop gart changes
v3: just read back rather than polling
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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The work queue couldn't reliably prevent the SW ring buffer from
overflowing, so dmesg was spammed by
kfd kfd: Interrupt ring overflow, dropping interrupt.
messages when running e.g. the Atlantis Substance demo from
https://wiki.unrealengine.com/Linux_Demos on Kaveri.
Since the SW ring buffer doesn't actually do anything at this point, just
remove it for now. When actual interrupt processing code is added to
amdkfd, it should try to do things immediately and only defer to work
queues when necessary.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
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On some laptops, keyboard needs to be reset in order to successfully detect
touchpad (e.g., some Gigabyte laptop models with Elantech touchpads).
Without resettin keyboard touchpad pretends to be completely dead.
Based on the original patch by Mateusz Jończyk this version has been
expanded to include DMI based detection & application of the fix
automatically on the affected models of laptops. This has been confirmed to
fix problem by three users already on three different models of laptops.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=81331
Cc: stable@vger.kernel.org
Signed-off-by: Srihari Vijayaraghavan <linux.bug.reporting@gmail.com>
Acked-by: Mateusz Jończyk <mat.jonczyk@o2.pl>
Tested-by: Srihari Vijayaraghavan <linux.bug.reporting@gmail.com>
Tested by: Zakariya Dehlawi <zdehlawi@gmail.com>
Tested-by: Guillaum Bouchard <guillaum.bouchard@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://people.freedesktop.org/~gabbayo/linux into drm-fixes
- Complete overhaul to the main IOCTL function, kfd_ioctl(), according to
drm_ioctl() example. This includes changing the IOCTL definitions, so it
breaks compatibility with previous versions of the userspace. However,
because the kernel was not officialy released yet, and this the first
kernel that includes amdkfd, I assume I can still do that at this stage.
- A couple of bug fixes for the non-HWS path (used for bring-ups and
debugging purposes only).
* tag 'amdkfd-fixes-2015-01-06' of git://people.freedesktop.org/~gabbayo/linux:
drm/amdkfd: rewrite kfd_ioctl() according to drm_ioctl()
drm/amdkfd: reformat IOCTL definitions to drm-style
drm/amdkfd: Do copy_to/from_user in general kfd_ioctl()
drm/amdkfd: unmap VMID<-->PASID when relesing VMID (non-HWS)
drm/radeon: Assign VMID to PASID for IH in non-HWS mode
drm/radeon: do not leave queue acquired if timeout happens in kgd_hqd_destroy()
drm/amdkfd: Load mqd to hqd in non-HWS mode
drm/amd: Fixing typos in kfd<->kgd interface
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into drm-fixes
some minor radeon fixes.
* 'drm-fixes-3.19' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: integer underflow in radeon_cp_dispatch_texture()
drm/radeon: adjust default bapm settings for KV
drm/radeon: properly filter DP1.2 4k modes on non-DP1.2 hw
drm/radeon: fix sad_count check for dce3
drm/radeon: KV has three PPLLs (v2)
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git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
- Fix BUG() on !SMP builds
- Fix for OOPS on pre-NV50 that snuck into -next
- MCP7[789A] hang fix where firmware hasn't already setup NISO pollers
- NV4x IGP MSI disable, it doesn't appear to work correctly
- Add GK208B to recognised boards (no code change aside from adding
chipset recognition)
* 'linux-3.19' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau/nouveau: Do not BUG_ON(!spin_is_locked()) on UP
drm/nv4c/mc: disable msi
drm/nouveau/fb/ram/mcp77: enable NISO poller
drm/nouveau/fb/ram/mcp77: use carveout reg to determine size
drm/nouveau/fb/ram/mcp77: subclass nouveau_ram
drm/nouveau: wake up the card if necessary during gem callbacks
drm/nouveau/device: Add support for GK208B, resolves bug 86935
drm/nouveau: fix missing return statement in nouveau_ttm_tt_unpopulate
drm/nouveau/bios: fix oops on pre-nv50 chipsets
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In case of warning message in ->probe() we have to use HW device name instead
of master because last is not defined yet.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Current vfio-pci just supports normal pci device, so vfio_pci_probe() will
return if the pci device is not a normal device. While current code makes a
mistake. PCI_HEADER_TYPE is the offset in configuration space of the device
type, but we use this value to mask the type value.
This patch fixs this by do the check directly on the pci_dev->hdr_type.
Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Cc: stable@vger.kernel.org # v3.6+
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DMA mapped IO should be unmapped on the error path in probe() and
unconditionally on remove().
Fixes: 62936009f35a ([libata] Add 460EX on-chip SATA driver, sata_dwc_460ex)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Since the ctemp is used for rcar_thermal_write() in
rcar_thermal_update_temp(), the type of 'ctemp' should be "u32" instead
of "int". This patch also changes type of the helper variables 'old'
and 'new'.
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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On R-Mobile APE6, since it has 3 thermal zones, ENR register
has enable bits in bit 19-16, bit 11-8 and bit 3-0.
However, on R-Car gen2, since it has 1 thermal zone, ENR register has
enable bits in bit 3-0. (In other words, the write value should always
be 0 for bit 31-4 of ENR register.)
So, this patch fixes the ENR register value using I/O resource sets.
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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This patch makes the bitmask for AIC_SRCTYPE consistent
with that of its valid values, and prevents the priority
field at bits 2:0 from being clobbered by an incorrect
AND with the AIC_SRCTYPE mask.
Signed-off-by: Gavin Li <gavinli@thegavinli.com>
Cc: <stable@vger.kernel.org> # v3.17+
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Link: https://lkml.kernel.org/r/1420598843-8409-1-git-send-email-gavinli@thegavinli.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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commit 8b38694a2dc8b18374310df50174f1e4376d6824
vhost/net: virtio 1.0 byte swap
had this chunk:
- heads[headcount - 1].len += datalen;
+ heads[headcount - 1].len = cpu_to_vhost32(vq, len - datalen);
This adds datalen with the wrong sign, causing guest panics.
Fixes: 8b38694a2dc8b18374310df50174f1e4376d6824
Reported-by: Alex Williamson <alex.williamson@redhat.com>
Suggested-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Currently disable_irq() doesn't work for pinctrl-st driver, due to
missing irq_disable hook in the driver.
disable_irq() is required only for level-triggered interrupts, which
is not the case normally.
Signed-off-by: Pankaj Dev <pankaj.dev@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Using the sysfs inteface to inspect the pins configuration
the system can walk around a path which acquires the same
mutex twice.
On STiH407 platform, for example :
cat /sys/kernel/debug/pinctrl/920f080.pin-controller-front0/pinconf-pins
hangs the kernel and never returns.
With this patch the mutex is temporary freed.
Signed-off-by: Francesco Virlinzi <francesco.virlinzi@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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dln2_gpio_direction_output() ignored the state passed into it. Fix it.
Also make dln2_gpio_pin_set_out_val return int, so we can check the error value.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Daniel Baluta <daniel.baluta@intel.com>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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As noticed during suspend/resume operations, the IRQ can be unmasked
then disabled in suspend and eventually enabled in resume, but without
being unmasked.
The current implementation does not take into account interactions
between mask/unmask and enable/disable interrupts, and thus in the
above scenarios the IRQs remain unactive.
To fix this we removed the enable/disable operations as they fallback
to mask/unmask anyway.
We also remove the pending bitmaks as it is already done in irq_data
(i.e. IRQS_PENDING).
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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As has been discussed in the thread starting with
https://lkml.kernel.org/g/549748e9.d+SiJzqu50f1r4lSAL043YSc@arcor.de
Sierra Wireless MC73xx devices with USB VID/PID 0x1199:0x68c0 require the
option_send_setup() code to be used on the USB interface for the AT port
to make unsolicited response codes work correctly. Move these devices from
the qcserial driver where they have been added by commit
70a3615fc07c2330ed7c1e922f3c44f4a67c0762 ("usb: qcserial: add Sierra Wireless
MC73xx") to the option driver and add a MC73xx-specific blacklist
to ensure that
1. the sendsetup code is not used for the DIAG/DM and NMEA interfaces
2. the option driver does not attach to the QMI/network interfaces
Signed-off-by: Reinhard Speyerer <rspmn@arcor.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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commit 55601c9f2467 (arm: omap: intc: switch over
to linear irq domain) introduced a regression with
SDMA legacy driver because that driver strictly depends
on INTC's IRQs starting at NR_IRQs. Aparently
irq_domain_add_linear() won't guarantee that, since we see
a 7 IRQs difference when booting with and without the
commit cited above.
Until arch/arm/plat-omap/dma.c is properly fixed, we
must maintain OMAP2/3 using irq_domain_add_legacy().
A FIXME note was added so people know to delete that
code once that legacy DMA driver is fixed up.
Fixes: 55601c9f2467 (arm: omap: intc: switch over to linear irq domain)
Cc: <stable@vger.kernel.org> # v3.18
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Link: https://lkml.kernel.org/r/1420576688-10604-1-git-send-email-balbi@ti.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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arm64 defconfig spits out the following compiler warning from the ITS
driver:
In file included from include/linux/bitmap.h:9:0,
from drivers/irqchip/irq-gic-v3-its.c:18:
drivers/irqchip/irq-gic-v3-its.c: In function ‘its_create_device’:
include/linux/kernel.h:716:17: warning: comparison of distinct pointer types lacks a cast
(void) (&_max1 == &_max2); \
^
drivers/irqchip/irq-gic-v3-its.c:1056:12: note: in expansion of macro ‘max’
nr_ites = max(2, roundup_pow_of_two(nvecs));
Fix the warning by specifying the decimal constant `2' explicitly as an
unsigned long type.
Cc: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1418825469-30529-1-git-send-email-will.deacon@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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HiP04 GIC extends to support 16 cores, so we should
initialize the hip04_cpu_map to 0xffff.
Signed-off-by: Wang Long <long.wanglong@huawei.com>
Acked-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Link: https://lkml.kernel.org/r/1418295816-179583-1-git-send-email-long.wanglong@huawei.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Beniamino noticed a bug that an invalid DT file for the mediatek interrupt
polarity extension will cause kernel oops.
The reason is that the interrupt polarity support for mediatek chips
merely checks for NULL pointer instead of a casted error return
value in mtk_sysirq_of_init() so any other casted error value passes
the NULL pointer check and causes a kernel panic when dereferenced.
Use IS_ERR() and return the error value via PTR_ERR().
[ jac: took V2 over V3 for diff formatting, hand-added V3 changes,
tweaked subject line. ]
Reported-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
Link: https://lkml.kernel.org/r/1418205302-22531-1-git-send-email-yingjoe.chen@mediatek.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Pull networking fixes from David Miller:
"Just a pile of random fixes, including:
1) Do not apply TSO limits to non-TSO packets, fix from Herbert Xu.
2) MDI{,X} eeprom check in e100 driver is reversed, from John W.
Linville.
3) Missing error return assignments in several ethernet drivers, from
Julia Lawall.
4) Altera TSE device doesn't come back up after ifconfig down/up
sequence, fix from Kostya Belezko.
5) Add more cases to the check for whether the qmi_wwan device has a
bogus MAC address and needs to be assigned a random one. From
Kristian Evensen.
6) Fix interrupt hangs in CPSW, from Felipe Balbi.
7) Implement ndo_features_check in r8152 so that the stack doesn't
feed GSO packets which are outside of the chip's capabilities.
From Hayes Wang"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
qla3xxx: don't allow never end busy loop
xen-netback: fixing the propagation of the transmit shaper timeout
r8152: support ndo_features_check
batman-adv: fix potential TT client + orig-node memory leak
batman-adv: fix multicast counter when purging originators
batman-adv: fix counter for multicast supporting nodes
batman-adv: fix lock class for decoding hash in network-coding.c
batman-adv: fix delayed foreign originator recognition
batman-adv: fix and simplify condition when bonding should be used
Revert "mac80211: Fix accounting of the tailroom-needed counter"
net: ethernet: cpsw: fix hangs with interrupts
enic: free all rq buffs when allocation fails
qmi_wwan: Set random MAC on devices with buggy fw
openvswitch: Consistently include VLAN header in flow and port stats.
tcp: Do not apply TSO segment limit to non-TSO packets
Altera TSE: Add missing phydev
net/mlx4_core: Fix error flow in mlx4_init_hca()
net/mlx4_core: Correcly update the mtt's offset in the MR re-reg flow
qlcnic: Fix return value in qlcnic_probe()
net: axienet: fix error return code
...
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Pull IPMI fixlet from Corey Minyard:
"Fix a compile warning"
* tag 'for-linus-3' of git://git.code.sf.net/p/openipmi/linux-ipmi:
ipmi: Fix compile warning with tv_usec
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The driver was examining the outer protocol layer to set the inner protocol
layer checksum offload. In the case of TCP over IPV6 over an IPv4 based
VXLAN the inner checksum offloads would be set to look for IPv4/UDP instead
of IPv6/TCP. This code fixes that so that the driver will look at the
proper layer for encapsulation offload settings.
Signed-off-by: Anjali Singhai <anjali.singhai@intel.com>
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The Rx port checksum error counter was incrementing incorrectly with
UDP encapsulated tunneled traffic. This patch fixes the problem so that
the port_rx_csum counter will show accurate statistics.
Signed-off-by: Anjali Singhai <anjali.singhai@intel.com>
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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When the driver was polling with interrupts disabled the hardware
will occasionally not write back descriptors. This patch causes
the driver to detect this situation and force an interrupt to
fire which will flush the stuck descriptor. Does not conflict
with napi because if we are already polling the napi_schedule is
ignored. Additionally the extra interrupts are rate limited, so
don't cause a burden to the CPU.
Change-ID: Iba4616d2a71288672a5f08e4512e2704b97335e8
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The counter variable wasn't increased at all which may stuck under
certain circumstances.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* acpi-pm:
ACPI / PM: Fix PM initialization for devices that are not present
* acpi-processor:
ACPI / processor: Rename acpi_(un)map_lsapic() to acpi_(un)map_cpu()
ACPI / processor: Convert apic_id to phys_id to make it arch agnostic
* acpi-video:
ACPI / video: Add disable_native_backlight quirk for Dell XPS15 L521X
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The L521X variant of the Dell XPS15 has integrated nvidia graphics, and
backlight control does not work properly when using the native interfaces.
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1163574
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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While looking at hch's recent conversion to drop the MSG_*_TAG
definitions, I noticed a long standing bug in vhost-scsi where
the VIRTIO_SCSI_S_* attribute definitions where incorrectly
being passed directly into target_submit_cmd_map_sgls().
This patch adds the missing virtio-scsi to TCM/SAM task attribute
conversion.
Cc: Christoph Hellwig <hch@lst.de>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: stable@vger.kernel.org # 3.5
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Since e9ce7cb6b107 ("xen-netback: Factor queue-specific data into queue struct"),
the transimt shaper timeout is always set to 0. The value the user sets via
xenbus is never propagated to the transmit shaper.
This patch fixes the issue.
Cc: Anthony Liguori <aliguori@amazon.com>
Signed-off-by: Imre Palik <imrep@amazon.de>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Support ndo_features_check to avoid:
- the transport offset is more than the hw limitation when using hw checksum.
- the skb->len of a GSO packet is more than the limitation.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch changes kfd_ioctl() to be very similar to drm_ioctl().
The patch defines an array of amdkfd_ioctls, which maps IOCTL definition to the
ioctl function.
The kfd_ioctl() uses that mapping to call the appropriate ioctl function,
through a function pointer.
This patch also declares a new typedef for the ioctl function pointer.
v2: Renamed KFD_COMMAND_(START|END) to AMDKFD_...
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
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This patch reformats the ioctl definitions in kfd_ioctl.h to be similar to the
drm ioctls definition style.
v2: Renamed KFD_COMMAND_(START|END) to AMDKFD_...
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
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