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We have a new Dell laptop which has the synaptics I2C touchpad
(06cb:7e7e) on it. After booting up the Linux, the touchpad doesn't
work, there is no interrupt when touching the touchpad, after
disable the runtime PM, everything works well.
I also tried the quirk of I2C_HID_QUIRK_DELAY_AFTER_SLEEP, it is
better after applied this quirk, there are interrupts but data it
reports is invalid.
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This is log is harmful as it can trigger multiple times per packet. Delete
it.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Packets without the last descriptor set should be dropped early. If we
receive a frame larger than the DMA buffer, the HW will continue using the
next descriptor. Driver mistakes these as individual frames, and sometimes
a truncated frame (without the LD set) may look like a valid packet.
This fixes a strange issue where the system replies to 4098-byte ping
although the MTU/DMA buffer size is set to 4096, and yet at the same
time it's logging an oversized packet.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we have error bits set, the discard_frame status will get overwritten
by checksum bit checks, which might set the status back to good one.
Fix by checking the COE status only if the frame is good.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, if we drop a packet, we exit from NAPI loop before the budget
is consumed. In some situations this will make the RX processing stall
e.g. when flood pinging the system with oversized packets, as the
errorneous packets are not dropped efficiently.
If we drop a packet, we should just continue to the next one as long as
the budget allows.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ratelimit RX error logs.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We always program the maximum DMA buffer size into the receive descriptor,
although the allocated size may be less. E.g. with the default MTU size
we allocate only 1536 bytes. If somebody sends us a bigger frame, then
memory may get corrupted.
Fix by using exact buffer sizes.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
- Revert "dmaengine: stm32-mdma: Add a check on read_u32_array" as that
caused regression
- Fix MAINTAINER file uniphier-mdmac.c file path
* tag 'dmaengine-fix-5.1-rc3' of git://git.infradead.org/users/vkoul/slave-dma:
MAINTAINERS: Fix uniphier-mdmac.c file path
dmaengine: stm32-mdma: Revert "dmaengine: stm32-mdma: Add a check on read_u32_array"
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git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED fixes from Jacek Anaszewski:
- fix refcnt leak on interface rename
- use memcpy in device_name_store() to avoid including garbage from a
previous, longer value in the device_name
- fix a potential NULL pointer dereference in case of_match_device()
cannot find a match
* tag 'led-fixes-for-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: trigger: netdev: use memcpy in device_name_store
leds: pca9532: fix a potential NULL pointer dereference
leds: trigger: netdev: fix refcnt leak on interface rename
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"As you can see [in the git history] I was away on leave and Bartosz
kindly stepped in and collected a slew of fixes, I pulled them into my
tree in two sets and merged some two more fixes (fixing my own caused
bugs) on top.
Summary:
- Revert the extended use of gpio_set_config() and think about how we
can do this properly.
- Fix up the SPI CS GPIO handling so it now works properly on the SPI
bus children, as intended.
- Error paths and driver fixes"
* tag 'gpio-v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: mockup: use simple_read_from_buffer() in debugfs read callback
gpio: of: Fix of_gpiochip_add() error path
gpio: of: Check for "spi-cs-high" in child instead of parent node
gpio: of: Check propname before applying "cs-gpios" quirks
gpio: mockup: fix debugfs read
Revert "gpio: use new gpio_set_config() helper in more places"
gpio: aspeed: fix a potential NULL pointer dereference
gpio: amd-fch: Fix bogus SPDX identifier
gpio: adnp: Fix testing wrong value in adnp_gpio_direction_input
gpio: exar: add a check for the return value of ida_simple_get fails
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If userspace doesn't end the input with a newline (which can easily
happen if the write happens from a C program that does write(fd,
iface, strlen(iface))), we may end up including garbage from a
previous, longer value in the device_name. For example
# cat device_name
# printf 'eth12' > device_name
# cat device_name
eth12
# printf 'eth3' > device_name
# cat device_name
eth32
I highly doubt anybody is relying on this behaviour, so switch to
simply copying the bytes (we've already checked that size is <
IFNAMSIZ) and unconditionally zero-terminate it; of course, we also
still have to strip a trailing newline.
This is also preparation for future patches.
Fixes: 06f502f57d0d ("leds: trigger: Introduce a NETDEV trigger")
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
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It was reported that re-introducing ASPM, in combination with RX
interrupt coalescing, results in significantly increased packet
latency, see [0]. Disabling ASPM or RX interrupt coalescing fixes
the issue. Therefore change the driver's default to disable RX
interrupt coalescing. Users still have the option to enable RX
coalescing via ethtool.
[0] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925496
Fixes: a99790bf5c7f ("r8169: Reinstate ASPM Support")
Reported-by: Mike Crowe <mac@mcrowe.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case of_match_device cannot find a match, return -EINVAL to avoid
NULL pointer dereference.
Fixes: fa4191a609f2 ("leds: pca9532: Add device tree support")
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are some small staging driver fixes for 5.1-rc3, and one driver
removal.
The biggest thing here is the removal of the mt7621-eth driver as a
"real" network driver was merged in 5.1-rc1 for this hardware, so this
old driver can now be removed.
Other than that, there are just a number of small fixes, all resolving
reported issues and some potential corner cases for error handling
paths.
All of these have been in linux-next with no reported issues"
* tag 'staging-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: vt6655: Remove vif check from vnt_interrupt
staging: erofs: keep corrupted fs from crashing kernel in erofs_readdir()
staging: octeon-ethernet: fix incorrect PHY mode
staging: vc04_services: Fix an error code in vchiq_probe()
staging: erofs: fix error handling when failed to read compresssed data
staging: vt6655: Fix interrupt race condition on device start up.
staging: rtlwifi: Fix potential NULL pointer dereference of kzalloc
staging: rtl8712: uninitialized memory in read_bbreg_hdl()
staging: rtlwifi: rtl8822b: fix to avoid potential NULL pointer dereference
staging: rtl8188eu: Fix potential NULL pointer dereference of kcalloc
staging, mt7621-pci: fix build without pci support
staging: speakup_soft: Fix alternate speech with other synths
staging: axis-fifo: add CONFIG_OF dependency
staging: olpc_dcon_xo_1: add missing 'const' qualifier
staging: comedi: ni_mio_common: Fix divide-by-zero for DIO cmdtest
staging: erofs: fix to handle error path of erofs_vmap()
staging: mt7621-dts: update ethernet settings.
staging: remove mt7621-eth
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small tty and serial driver fixes for 5.1-rc3.
Nothing major here, just a number of potential problems fixes for
error handling paths, as well as some other minor bugfixes for
reported issues with 5.1-rc1.
All of these have been in linux-next with no reported issues"
* tag 'tty-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: fix NULL pointer issue when tty_port ops is not set
Disable kgdboc failed by echo space to /sys/module/kgdboc/parameters/kgdboc
dt-bindings: serial: Add compatible for Mediatek MT8183
tty/serial: atmel: RS485 HD w/DMA: enable RX after TX is stopped
tty/serial: atmel: Add is_half_duplex helper
serial: sh-sci: Fix setting SCSCR_TIE while transferring data
serial: ar933x_uart: Fix build failure with disabled console
tty: serial: qcom_geni_serial: Initialize baud in qcom_geni_console_setup
sc16is7xx: missing unregister/delete driver on error in sc16is7xx_init()
tty: mxs-auart: fix a potential NULL pointer dereference
tty: atmel_serial: fix a potential NULL pointer dereference
serial: max310x: Fix to avoid potential NULL pointer dereference
serial: mvebu-uart: Fix to avoid a potential NULL pointer dereference
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 5.1-rc3.
Nothing major at all here, just a small collection of fixes for
reported issues, and potential problems with error handling paths.
Also a few new device ids, as normal.
All of these have been in linux-next with no reported issues"
* tag 'usb-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (25 commits)
USB: serial: option: add Olicard 600
USB: serial: cp210x: add new device id
usb: u132-hcd: fix resource leak
usb: cdc-acm: fix race during wakeup blocking TX traffic
usb: mtu3: fix EXTCON dependency
usb: usb251xb: fix to avoid potential NULL pointer dereference
usb: core: Try generic PHY_MODE_USB_HOST if usb_phy_roothub_set_mode fails
phy: sun4i-usb: Support set_mode to USB_HOST for non-OTG PHYs
xhci: Don't let USB3 ports stuck in polling state prevent suspend
usb: xhci: dbc: Don't free all memory with spinlock held
xhci: Fix port resume done detection for SS ports with LPM enabled
USB: serial: mos7720: fix mos_parport refcount imbalance on error path
USB: gadget: f_hid: fix deadlock in f_hidg_write()
usb: gadget: net2272: Fix net2272_dequeue()
usb: gadget: net2280: Fix net2280_dequeue()
usb: gadget: net2280: Fix overrun of OUT messages
usb: dwc3: pci: add support for Comet Lake PCH ID
usb: usb251xb: Remove unnecessary comparison of unsigned integer with >= 0
usb: common: Consider only available nodes for dr_mode
usb: typec: tcpm: Try PD-2.0 if sink does not respond to 3.0 source-caps
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"This corrects a previous attempt to make Linux use its own set of ACPI
debug flags different from the upstream ACPICA's default (Erik
Schmauss)"
* tag 'acpi-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: use different default debug value than ACPICA
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix CPU base frequency reporting in the intel_pstate driver and
a use-after-free in the scpi-cpufreq driver.
Specifics:
- Fix the ACPI CPPC library to actually follow the specification when
decoding the guaranteed performance register information and make
the intel_pstate driver to fall back to the nominal frequency when
reporting the base frequency if the guaranteed performance register
information is not there (Srinivas Pandruvada).
- Fix use-after-free in the exit callback of the scpi-cpufreq left
after an update during the 5.0 development cycle (Vincent Stehlé)"
* tag 'pm-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: scpi: Fix use after free
cpufreq: intel_pstate: Also use CPPC nominal_perf for base_frequency
ACPI / CPPC: Fix guaranteed performance handling
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Merge misc fixes from Andrew Morton:
"22 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (22 commits)
fs/proc/proc_sysctl.c: fix NULL pointer dereference in put_links
fs: fs_parser: fix printk format warning
checkpatch: add %pt as a valid vsprintf extension
mm/migrate.c: add missing flush_dcache_page for non-mapped page migrate
drivers/block/zram/zram_drv.c: fix idle/writeback string compare
mm/page_isolation.c: fix a wrong flag in set_migratetype_isolate()
mm/memory_hotplug.c: fix notification in offline error path
ptrace: take into account saved_sigmask in PTRACE{GET,SET}SIGMASK
fs/proc/kcore.c: make kcore_modules static
include/linux/list.h: fix list_is_first() kernel-doc
mm/debug.c: fix __dump_page when mapping->host is not set
mm: mempolicy: make mbind() return -EIO when MPOL_MF_STRICT is specified
include/linux/hugetlb.h: convert to use vm_fault_t
iommu/io-pgtable-arm-v7s: request DMA32 memory, and improve debugging
mm: add support for kmem caches in DMA32 zone
ocfs2: fix inode bh swapping mixup in ocfs2_reflink_inodes_lock
mm/hotplug: fix offline undo_isolate_page_range()
fs/open.c: allow opening only regular files during execve()
mailmap: add Changbin Du
mm/debug.c: add a cast to u64 for atomic64_read()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
- Fix a bug in the AMD IOMMU driver not handling exclusion ranges
correctly. In fact the driver did not reserve these ranges for IOVA
allocations, so that dma-handles could be allocated in an exclusion
range, leading to data corruption. Exclusion ranges have not been
used by any firmware up to now, so this issue remained undiscovered
for quite some time.
- Fix wrong warning messages that the IOMMU core code prints when it
tries to allocate the default domain for an iommu group and the
driver does not support any of the default domain types (like Intel
VT-d).
* tag 'iommu-fixes-v5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Reserve exclusion range in iova-domain
iommu: Don't print warning when IOMMU driver only supports unmanaged domains
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
Mellanox, mlx5 fixes 2019-03-29
This series introduces some fixes to mlx5 driver.
Please pull and let me know if there is any problem.
For -stable v4.11
('net/mlx5: Decrease default mr cache size')
For -stable v4.12
('net/mlx5e: Add a lock on tir list')
For -stable v4.13
('net/mlx5e: Fix error handling when refreshing TIRs')
For -stable v4.18
('net/mlx5e: Update xon formula')
For -stable v4.19
('net: mlx5: Add a missing check on idr_find, free buf')
('net/mlx5e: Update xoff formula')
net-next merge Note:
When merged with net-next the following simple conflict will appear,
drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
++<<<<<<< HEAD (net)
+ * max_mtu: netdev's max_mtu
++=======
+ * @mtu: device's MTU
++>>>>>>> net-next
To resolve: just replace the line in net-next
* @mtu: device's MTU
to
* @max_mtu: netdev's max_mtu
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some binder, habanalabs, and vboxguest driver fixes for
5.1-rc3.
The Binder fixes resolve some reported issues found by testing, first
by the selinux developers, and then earlier today by syzbot.
The habanalabs fixes are all minor, resolving a number of tiny things.
The vboxguest patches are a bit larger. They resolve the fact that
virtual box decided to change their api in their latest release in a
way that broke the existing kernel code, despite saying that they were
never going to do that. So this is a bit of a "new feature", but is
good to get merged so that 5.1 will work with the latest release. The
changes are not large and of course virtual box "swears" they will not
break this again, but no one is holding their breath here.
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
virt: vbox: Implement passing requestor info to the host for VirtualBox 6.0.x
binder: fix race between munmap() and direct reclaim
binder: fix BUG_ON found by selinux-testsuite
habanalabs: cast to expected type
habanalabs: prevent host crash during suspend/resume
habanalabs: perform accounting for active CS
habanalabs: fix mapping with page size bigger than 4KB
habanalabs: complete user context cleanup before hard reset
habanalabs: fix bug when mapping very large memory area
habanalabs: fix MMU number of pages calculation
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Thirteen fixes, seven of which are for IBM fibre channel and three
additional for fairly serious bugs in drivers (qla2xxx, mpt3sas,
aacraid).
Of the three core fixes, the most significant is probably the missed
run queue causing an indefinite hang. The others are fixing a
potential use after free on device close and silencing an incorrect
warning"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ibmvfc: Clean up transport events
scsi: ibmvfc: Byte swap status and error codes when logging
scsi: ibmvfc: Add failed PRLI to cmd_status lookup array
scsi: ibmvfc: Remove "failed" from logged errors
scsi: zfcp: reduce flood of fcrscn1 trace records on multi-element RSCN
scsi: zfcp: fix scsi_eh host reset with port_forced ERP for non-NPIV FCP devices
scsi: zfcp: fix rport unblock if deleted SCSI devices on Scsi_Host
scsi: sd: Quiesce warning if device does not report optimal I/O size
scsi: sd: Fix a race between closing an sd device and sd I/O
scsi: core: Run queue when state is set to running after being blocked
scsi: qla4xxx: fix a potential NULL pointer dereference
scsi: aacraid: Insure we don't access PCIe space during AER/EEH
scsi: mpt3sas: Fix kernel panic during expander reset
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"A new ID for the i801 driver and some Documentation fixes to make it
easier for people to find the bindings (which is also a basis for
further improvements in that area)"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: wmt: make bindings file name match the driver
i2c: sun6i-p2wi: make bindings file name match the driver
i2c: stu300: make bindings file name match the driver
i2c: mt65xx: make bindings file name match the driver
i2c: iop3xx: make bindings file name match the driver
i2c: i801: Add support for Intel Comet Lake
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Pull block fixes from Jens Axboe:
"Small set of fixes that should go into this series. This contains:
- compat signal mask fix for io_uring (Arnd)
- EAGAIN corner case for direct vs buffered writes for io_uring
(Roman)
- NVMe pull request from Christoph with various little fixes
- sbitmap ws_active fix, which caused a perf regression for shared
tags (me)
- sbitmap bit ordering fix (Ming)
- libata on-stack DMA fix (Raymond)"
* tag 'for-linus-20190329' of git://git.kernel.dk/linux-block:
nvmet: fix error flow during ns enable
nvmet: fix building bvec from sg list
nvme-multipath: relax ANA state check
nvme-tcp: fix an endianess miss-annotation
libata: fix using DMA buffers on stack
io_uring: offload write to async worker in case of -EAGAIN
sbitmap: order READ/WRITE freed instance and setting clear bit
blk-mq: fix sbitmap ws_active for shared tags
io_uring: fix big-endian compat signal mask handling
blk-mq: update comment for blk_mq_hctx_has_pending()
blk-mq: use blk_mq_put_driver_tag() to put tag
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This reverts commit 4d31c4fa3f9ef7b7e2e79fd57d21290f64c938f5.
Accidently applied this to the wrong tree.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change t4fw_version.h to update latest firmware version
number to 1.23.3.0.
Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After queue stopped, the wakeup mechanism may wake it up again
when ring buffer usage is lower than a threshold. This may cause
send path panic on NULL pointer when we stopped all tx queues in
netvsc_detach and start removing the netvsc device.
This patch fix it by adding a tx_disable flag to prevent unwanted
queue wakeup.
Fixes: 7b2ee50c0cd5 ("hv_netvsc: common detach logic")
Reported-by: Mohammed Gamal <mgamal@redhat.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bond expects ethernet hwaddr for its slave, but it can be longer than 6
bytes - infiniband interface for example.
# cat /sys/devices/<skipped>/net/ib0/address
80:00:02:08:fe:80:00:00:00:00:00:00:7c:fe:90:03:00:be:5d:e1
# cat /sys/devices/<skipped>/net/ib0/bonding_slave/perm_hwaddr
80:00:02:08:fe:80
So print full hwaddr in sysfs "bonding_slave/perm_hwaddr" as well.
Signed-off-by: Konstantin Khorenko <khorenko@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver allocates an encap context based on the tunnel properties,
and reuse that context for all flows using the same tunnel properties.
Commit df2ef3bff193 ("net/mlx5e: Add GRE protocol offloading")
introduced another tunnel protocol other than the single VXLAN
previously supported. A flow that uses a tunnel with the same tunnel
properties but with a different tunnel type (GRE vs VXLAN for example)
would mistakenly reuse the previous alocated context, causing the
traffic to be sent with the wrong encapsulation. Fix that by
considering the tunnel type for encap contexts.
Fixes: df2ef3bff193 ("net/mlx5e: Add GRE protocol offloading")
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Set xon = xoff - netdev's max_mtu.
netdev's max_mtu will give enough time for the pause frame to
arrive at the sender.
Fixes: 0696d60853d5 ("net/mlx5e: Receive buffer configuration")
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Set minimum speed in xoff threshold formula to 40Gbps
Fixes: 0696d60853d5 ("net/mlx5e: Receive buffer configuration")
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Make sure the struct mlx5_flow_destination is zero before
filling in the field.
Fixes: 8da202b24913 ("net/mlx5: E-Switch, Add support for VEPA in legacy mode.")
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Traditionally, the PF (Physical Function) which resides on vport 0 was
the E-switch manager. Since the ECPF (Embedded CPU Physical Function),
which resides on vport 0xfffe, was introduced as the E-Switch manager,
the assumption that the E-switch manager is on vport 0 is incorrect.
Since the eswitch code already uses the actual vport value, all we
need is to always set other_vport=1.
Signed-off-by: Omri Kahalon <omrik@mellanox.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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The esw offloads structures share a union with the legacy mode structs.
Reset the offloads struct to zero in init to protect from null
assumptions made by the legacy mode code.
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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The capacity of FDB offloading and NIC offloading table are
different, and when allocating the pedit actions, we should
use the correct namespace type.
Fixes: c500c86b0c75d ("net/mlx5e: support for two independent packet edit actions")
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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The esw fdb table has a union of legacy and offloads members.
So if we were in a certain esw mode we could set some memebers and not
set null which is fine as on destroy path and don't care.
But then moving from legacy to switchdev a second time, the cleanup flow
of legacy mode checks if a struct member was in use if it's not null so
we need to make sure to reset the code to null when we init legacy mode.
Fixes: 8da202b24913 ("net/mlx5: E-Switch, Add support for VEPA in legacy mode.")
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Allow configuration of legacy link-modes even when extended link-modes
are supported. This requires reading of legacy advertisement even when
extended link-modes are supported. Since legacy and extended
advertisement are mutually excluded, wait for empty reply from extended
advertisement before reading legacy advertisement.
Fixes: 6a897372417e ("net/mlx5: ethtool, Add ethtool support for 50Gbps per lane link modes")
Signed-off-by: Aya Levin <ayal@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Ethtool option set_link_ksettings allows setting of legacy link-modes
or extended link-modes. Refine the decision of which type of link-modes
is set.
Fixes: 6a897372417e ("net/mlx5: ethtool, Add ethtool support for 50Gbps per lane link modes")
Signed-off-by: Aya Levin <ayal@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Refresh tirs is looping over a global list of tirs while netdevs are
adding and removing tirs from that list. That is why a lock is
required.
Fixes: 724b2aa15126 ("net/mlx5e: TIRs management refactoring")
Signed-off-by: Yuval Avnery <yuvalav@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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idr_find() can return a NULL value to 'flow' which is used without a
check. The patch adds a check to avoid potential NULL pointer dereference.
In case of mlx5_fpga_sbu_conn_sendmsg() failure, free buf allocated
using kzalloc.
Fixes: ab412e1dd7db ("net/mlx5: Accel, add TLS rx offload routines")
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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For some protocols we are not allowing IP header rewrite offload, since
the HW is not capable to properly adjust the l4 checksum. However, TTL
& HOPLIMIT modification can be done for all IP protocols, because they
are not part of the pseudo header taken into account for checksum.
Fixes: 738678817573 ("drivers: net: use flow action infrastructure")
Signed-off-by: Dmytro Linkin <dmitrolin@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Previously, a false positive would be caught if the TIRs list is
empty, since the err value was initialized to -ENOMEM, and was only
updated if a TIR is refreshed. This is resolved by initializing the
err value to zero.
Fixes: b676f653896a ("net/mlx5e: Refactor refresh TIRs")
Signed-off-by: Gavi Teitz <gavi@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Delete initialization of high order entries in mr cache to decrease initial
memory footprint. When required, the administrator can populate the
entries with memory keys via the /sys interface.
This approach is very helpful to significantly reduce the per HW function
memory footprint in virtualization environments such as SRIOV.
Fixes: 9603b61de1ee ("mlx5: Move pci device handling from mlx5_ib to mlx5_core")
Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reported-by: Shalom Toledo <shalomt@mellanox.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Pull drm fixes from Dave Airlie:
"Weekly fixes roundup, nothing two serious, some usb device regressions
are fixed, and i915 GVT has a bigger fix but otherwise not really much
happening here.
core:
- fb bpp check regression fix
- release/unplug fix
- use after free fixes
i915:
- fix mmap range checks
- fix gvt ppgtt mm LRU list access races
- fix selftest error pointer check
- fix a macro definition (pre-emptive for potential further backports)
- fix one AML SKU ULX status
amdgpu:
- one variable refresh rate fix
udl:
- fix EDID reading
tegra:
- build/warning fixes
meson:
- cleanup path fixes
- TMDS clock filter fix
rockchip:
- NV12 buffers and scalar fix"
* tag 'drm-fixes-2019-03-29' of git://anongit.freedesktop.org/drm/drm: (22 commits)
drm/i915/icl: Fix VEBOX mismatch BUG_ON()
drm/i915/selftests: Fix an IS_ERR() vs NULL check
drm/i915: Mark AML 0x87CA as ULX
drm/meson: fix TMDS clock filtering for DMT monitors
drm/meson: Uninstall IRQ handler
drm/meson: Fix invalid pointer in meson_drv_unbind()
drm/udl: Refactor edid retrieving in UDL driver (v2)
drm: Fix drm_release() and device unplug
drm/fb: avoid setting 0 depth.
drm/tegra: vic: Fix implicit function declaration warning
drm/tegra: hub: Fix dereference before check
drm/i915/icl: Fix the TRANS_DDI_FUNC_CTL2 bitfield macro
drm/amd/display: Only allow VRR when vrefresh is within supported range
drm/rockchip: vop: reset scale mode when win is disabled
drm/vkms: fix use-after-free when drm_gem_handle_create() fails
drm/vgem: fix use-after-free when drm_gem_handle_create() fails
drm/i915/gvt: Add mutual lock for ppgtt mm LRU list
drm/i915/gvt: Only assign ppgtt root at dispatch time
drm/i915/gvt: Don't submit request for error workload dispatch
drm/i915/gvt: stop scheduling workload when vgpu is inactive
...
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Makoto report a below KASAN error: zram does out-of-bounds read. Because
strscpy copies from source up to count bytes unconditionally. It could
cause out-of-bounds read on next object in slab.
To prevent it, use strlcpy which checks source's length automatically.
BUG: KASAN: slab-out-of-bounds in strscpy+0x68/0x154
Read of size 8 at addr ffffffc0c3495a00 by task system_server/1314
..
Call trace:
strscpy+0x68/0x154
idle_store+0xc4/0x34c
dev_attr_store+0x50/0x6c
sysfs_kf_write+0x98/0xb4
kernfs_fop_write+0x198/0x260
__vfs_write+0x10c/0x338
vfs_write+0x114/0x238
SyS_write+0xc8/0x168
__sys_trace_return+0x0/0x4
Allocated by task 1314:
__kmalloc+0x280/0x318
kernfs_fop_write+0xac/0x260
__vfs_write+0x10c/0x338
vfs_write+0x114/0x238
SyS_write+0xc8/0x168
__sys_trace_return+0x0/0x4
Freed by task 2855:
kfree+0x138/0x630
kernfs_put_open_node+0x10c/0x124
kernfs_fop_release+0xd8/0x114
__fput+0x130/0x2a4
____fput+0x1c/0x28
task_work_run+0x16c/0x1c8
do_notify_resume+0x2bc/0x107c
work_pending+0x8/0x10
The buggy address belongs to the object at ffffffc0c3495a00
which belongs to the cache kmalloc-128 of size 128
The buggy address is located 0 bytes inside of
128-byte region [ffffffc0c3495a00, ffffffc0c3495a80)
The buggy address belongs to the page:
page:ffffffbf030d2500 count:1 mapcount:0 mapping: (null) index:0x0 compound_mapcount: 0
flags: 0x4000000000010200(slab|head)
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffffffc0c3495900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffffffc0c3495980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffffffc0c3495a00: 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffffffc0c3495a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffffffc0c3495b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Link: http://lkml.kernel.org/r/20190319231911.145968-1-minchan@kernel.org
Cc: <stable@vger.kernel.org> [5.0]
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reported-by: Makoto Wu <makotowu@google.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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IOMMUs using ARMv7 short-descriptor format require page tables (level 1
and 2) to be allocated within the first 4GB of RAM, even on 64-bit
systems.
For level 1/2 pages, ensure GFP_DMA32 is used if CONFIG_ZONE_DMA32 is
defined (e.g. on arm64 platforms).
For level 2 pages, allocate a slab cache in SLAB_CACHE_DMA32. Note that
we do not explicitly pass GFP_DMA[32] to kmem_cache_zalloc, as this is
not strictly necessary, and would cause a warning in mm/sl*b.c, as we
did not update GFP_SLAB_BUG_MASK.
Also, print an error when the physical address does not fit in
32-bit, to make debugging easier in the future.
Link: http://lkml.kernel.org/r/20181210011504.122604-3-drinkcat@chromium.org
Fixes: ad67f5a6545f ("arm64: replace ZONE_DMA with ZONE_DMA32")
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Hsin-Yi Wang <hsinyi@chromium.org>
Cc: Huaisheng Ye <yehs1@lenovo.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Sasha Levin <Alexander.Levin@microsoft.com>
Cc: Tomasz Figa <tfiga@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Yingjoe Chen <yingjoe.chen@mediatek.com>
Cc: Yong Wu <yong.wu@mediatek.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 7cc7de93fad4 ("hwmon: (ntc_thermistor) Convert to new hwmon API")
converted the driver to use the new hwmon API, but introduced a subtle
error: The temperature type is no longer reported as temp1_type, but as
temp2_type.
Fixes: 7cc7de93fad4 ("hwmon: (ntc_thermistor) Convert to new hwmon API")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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In the case of power sensor version 0xA0, the sensor indexing overlapped
with the "caps" power sensors, resulting in probe failure and kernel
warnings. Fix this by specifying the next index for each power sensor
version.
Fixes: 54076cb3b5ff ("hwmon (occ): Add sensor attributes and register ...")
Cc: stable@vger.kernel.org
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Tested-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Select REGMAP_I2C to avoid below build error:
ERROR: "__devm_regmap_init_i2c" [drivers/hwmon/w83773g.ko] undefined!
Fixes: ee249f271524 ("hwmon: Add W83773G driver")
Cc: stable@vger.kernel.org
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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