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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"I2C driver bugfixes and a MAINTAINERS update for you"
* 'i2c/for-current-fixed' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: Prevent runtime suspend of adapter when Host Notify is required
i2c: synquacer: fix enumeration of slave devices
MAINTAINERS: friendly takeover of i2c-gpio driver
i2c: designware: ratelimit 'transfer when suspended' errors
i2c: imx: correct the method of getting private data in notifier_call
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Pull drm fix from Dave Airlie:
"Just a single qxl revert"
* tag 'drm-fixes-2019-05-03' of git://anongit.freedesktop.org/drm/drm:
Revert "drm/qxl: drop prime import/export callbacks"
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"Two fixes for the NKMP clks on Allwinner SoCs, a locking fix for
clkdev where we forgot to hold a lock while iterating a list that can
change, and finally a build fix that adds some stubs for clk APIs that
are used by devfreq drivers on platforms without the clk APIs"
* tag 'clk-fixes-for-linus' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: Add missing stubs for a few functions
clkdev: Hold clocks_mutex while iterating clocks list
clk: sunxi-ng: nkmp: Explain why zero width check is needed
clk: sunxi-ng: nkmp: Avoid GENMASK(-1, 0)
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
- One revert for QXL for a DRI3 breakage
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190502122529.hguztj3kncaixe3d@flea
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Pull networking fixes from David Miller:
1) Out of bounds access in xfrm IPSEC policy unlink, from Yue Haibing.
2) Missing length check for esp4 UDP encap, from Sabrina Dubroca.
3) Fix byte order of RX STBC access in mac80211, from Johannes Berg.
4) Inifnite loop in bpftool map create, from Alban Crequy.
5) Register mark fix in ebpf verifier after pkt/null checks, from Paul
Chaignon.
6) Properly use rcu_dereference_sk_user_data in L2TP code, from Eric
Dumazet.
7) Buffer overrun in marvell phy driver, from Andrew Lunn.
8) Several crash and statistics handling fixes to bnxt_en driver, from
Michael Chan and Vasundhara Volam.
9) Several fixes to the TLS layer from Jakub Kicinski (copying negative
amounts of data in reencrypt, reencrypt frag copying, blind nskb->sk
NULL deref, etc).
10) Several UDP GRO fixes, from Paolo Abeni and Eric Dumazet.
11) PID/UID checks on ipv6 flow labels are inverted, from Willem de
Bruijn.
12) Use after free in l2tp, from Eric Dumazet.
13) IPV6 route destroy races, also from Eric Dumazet.
14) SCTP state machine can erroneously run recursively, fix from Xin
Long.
15) Adjust AF_PACKET msg_name length checks, add padding bytes if
necessary. From Willem de Bruijn.
16) Preserve skb_iif, so that forwarded packets have consistent values
even if fragmentation is involved. From Shmulik Ladkani.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (69 commits)
udp: fix GRO packet of death
ipv6: A few fixes on dereferencing rt->from
rds: ib: force endiannes annotation
selftests: fib_rule_tests: print the result and return 1 if any tests failed
ipv4: ip_do_fragment: Preserve skb_iif during fragmentation
net/tls: avoid NULL pointer deref on nskb->sk in fallback
selftests: fib_rule_tests: Fix icmp proto with ipv6
packet: validate msg_namelen in send directly
packet: in recvmsg msg_name return at least sizeof sockaddr_ll
sctp: avoid running the sctp state machine recursively
stmmac: pci: Fix typo in IOT2000 comment
Documentation: fix netdev-FAQ.rst markup warning
ipv6: fix races in ip6_dst_destroy()
l2ip: fix possible use-after-free
appletalk: Set error code if register_snap_client failed
net: dsa: bcm_sf2: fix buffer overflow doing set_rxnfc
rxrpc: Fix net namespace cleanup
ipv6/flowlabel: wait rcu grace period before put_pid()
vrf: Use orig netdev to count Ip6InNoRoutes and a fresh route lookup when sending dest unreach
tcp: add sanity tests in tcp_add_backlog()
...
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Multiple users have reported their Synaptics touchpad has stopped
working between v4.20.1 and v4.20.2 when using SMBus interface.
The culprit for this appeared to be commit c5eb1190074c ("PCI / PM: Allow
runtime PM without callback functions") that fixed the runtime PM for
i2c-i801 SMBus adapter. Those Synaptics touchpad are using i2c-i801
for SMBus communication and testing showed they are able to get back
working by preventing the runtime suspend of adapter.
Normally when i2c-i801 SMBus adapter transmits with the client it resumes
before operation and autosuspends after.
However, if client requires SMBus Host Notify protocol, what those
Synaptics touchpads do, then the host adapter must not go to runtime
suspend since then it cannot process incoming SMBus Host Notify commands
the client may send.
Fix this by keeping I2C/SMBus adapter active in case client requires
Host Notify.
Reported-by: Keijo Vaara <ferdasyn@rocketmail.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=203297
Fixes: c5eb1190074c ("PCI / PM: Allow runtime PM without callback functions")
Cc: stable@vger.kernel.org # v4.20+
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Keijo Vaara <ferdasyn@rocketmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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The I2C host driver for SynQuacer fails to populate the of_node and
ACPI companion fields of the struct i2c_adapter it instantiates,
resulting in enumeration of the subordinate I2C bus to fail.
Fixes: 0d676a6c4390 ("i2c: add support for Socionext SynQuacer I2C controller")
Cc: <stable@vger.kernel.org> # v4.19+
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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There are two problems with dev_err() here. One: It is not ratelimited.
Two: We don't see which driver tried to transfer something with a
suspended adapter. Switch to dev_WARN_ONCE to fix both issues. Drawback
is that we don't see if multiple drivers are trying to transfer while
suspended. They need to be discovered one after the other now. This is
better than a high CPU load because a really broken driver might try to
resend endlessly.
Link: https://bugs.archlinux.org/task/62391
Fixes: 275154155538 ("i2c: designware: Do not allow i2c_dw_xfer() calls while suspended")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reported-by: skidnik <skidnik@gmail.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: skidnik <skidnik@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"I apologize for sending these so late in the cycle. We went back and
forth about how to deal with the unexpected logging of intentional
link state changes and finally decided to just config them off by
default.
PCI fixes:
- Stop ignoring "pci=disable_acs_redir" parameter (Logan Gunthorpe)
- Use shared MSI/MSI-X vector for Link Bandwidth Management (Alex
Williamson)
- Add Kconfig option for Link Bandwidth notification messages (Keith
Busch)"
* tag 'pci-v5.1-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI/LINK: Add Kconfig option (default off)
PCI/portdrv: Use shared MSI/MSI-X vector for Bandwidth Management
PCI: Fix issue with "pci=disable_acs_redir" parameter being ignored
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git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD fix from Richard Weinberger:
"A single regression fix for the marvell nand driver"
* tag 'mtd/fixes-for-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: rawnand: marvell: Clean the controller state before each operation
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e8303bb7a75c ("PCI/LINK: Report degraded links via link bandwidth
notification") added dmesg logging whenever a link changes speed or width
to a state that is considered degraded. Unfortunately, it cannot
differentiate signal integrity-related link changes from those
intentionally initiated by an endpoint driver, including drivers that may
live in userspace or VMs when making use of vfio-pci. Some GPU drivers
actively manage the link state to save power, which generates a stream of
messages like this:
vfio-pci 0000:07:00.0: 32.000 Gb/s available PCIe bandwidth, limited by 2.5 GT/s x16 link at 0000:00:02.0 (capable of 64.000 Gb/s with 5 GT/s x16 link)
Since we can't distinguish the intentional changes from the signal
integrity issues, leave the reporting turned off by default. Add a Kconfig
option to turn it on if desired.
Fixes: e8303bb7a75c ("PCI/LINK: Report degraded links via link bandwidth notification")
Link: https://lore.kernel.org/linux-pci/20190501142942.26972-1-keith.busch@intel.com
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply fixes from Sebastian Reichel:
"Two more fixes for the 5.1 cycle.
One division by zero fix in a specific driver and one core workaround
for bad userspace behaviour from systemd regarding uevents. IMHO this
can be considered to be a userspace bug, but the debug messages are
useless anyways
- cpcap-battery: fix a division by zero
- core: fix systemd issue due to log messages produced by uevent"
* tag 'for-v5.1-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
power: supply: sysfs: prevent endless uevent loop with CONFIG_POWER_SUPPLY_DEBUG
power: supply: cpcap-battery: Fix division by zero
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The Interrupt Message Number in the PCIe Capabilities register (PCIe r4.0,
sec 7.5.3.2) indicates which MSI/MSI-X vector is shared by interrupts
related to the PCIe Capability, including Link Bandwidth Management and
Link Autonomous Bandwidth Interrupts (Link Control, 7.5.3.7), Command
Completed and Hot-Plug Interrupts (Slot Control, 7.5.3.10), and the PME
Interrupt (Root Control, 7.5.3.12).
pcie_message_numbers() checked whether we want to enable PME or Hot-Plug
interrupts but neglected to check for Link Bandwidth Management, so if we
only wanted the Bandwidth Management interrupts, it decided we didn't need
any vectors at all. Then pcie_port_enable_irq_vec() tried to reallocate
zero vectors, which failed, resulting in fallback to INTx.
On some systems, e.g., an X79-based workstation, that INTx seems broken or
not handled correctly, so we got spurious IRQ16 interrupts for Bandwidth
Management events.
Change pcie_message_numbers() so that if we want Link Bandwidth Management
interrupts, we use the shared MSI/MSI-X vector from the PCIe Capabilities
register.
Fixes: e8303bb7a75c ("PCI/LINK: Report degraded links via link bandwidth notification")
Link: https://lore.kernel.org/lkml/155597243666.19387.1205950870601742062.stgit@gimli.home
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
[bhelgaas: changelog]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Revert a recent ACPICA change that caused initialization to fail on
systems with Thunderbolt docking stations connected at the init time"
* tag 'acpi-5.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPICA: Clear status of GPEs before enabling them"
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I'm not sure what made gcc warn about this code now. The 'ret' variable
does end up initialized in all cases, but it's definitely not obvious,
so the compiler is quite reasonable to warn about this.
So just add initialization to make it all much more obvious both to
compilers and to humans.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Revert commit c8b1917c8987 ("ACPICA: Clear status of GPEs before
enabling them") that causes problems with Thunderbolt controllers
to occur if a dock device is connected at init time (the xhci_hcd
and thunderbolt modules crash which prevents peripherals connected
through them from working).
Commit c8b1917c8987 effectively causes commit ecc1165b8b74 ("ACPICA:
Dispatch active GPEs at init time") to get undone, so the problem
addressed by commit ecc1165b8b74 appears again as a result of it.
Fixes: c8b1917c8987 ("ACPICA: Clear status of GPEs before enabling them")
Link: https://lore.kernel.org/lkml/s5hy33siofw.wl-tiwai@suse.de/T/#u
Link: https://bugzilla.opensuse.org/show_bug.cgi?id=1132943
Reported-by: Michael Hirmke <opensuse@mike.franken.de>
Reported-by: Takashi Iwai <tiwai@suse.de>
Cc: 4.17+ <stable@vger.kernel.org> # 4.17+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 5.1
Third set of fixes for 5.1.
iwlwifi
* fix an oops when creating debugfs entries
* fix bug when trying to capture debugging info while in rfkill
* prevent potential uninitialized memory dumps into debugging logs
* fix some initialization parameters for AX210 devices
* fix an oops with non-MSIX devices
* fix an oops when we receive a packet with bogus lengths
* fix a bug that prevented 5350 devices from working
* fix a small merge damage from the previous series
mwifiex
* fig regression with resume on SDIO
ath10k
* fix locking problem with crashdump
* fix warnings during suspend and resume
Also note that this pull conflicts with net-next. And I want to emphasie
that it's really net-next, so when you pull this to net tree it should
go without conflicts. Stephen reported the conflict here:
https://lkml.kernel.org/r/20190429115338.5decb50b@canb.auug.org.au
In iwlwifi oddly commit 154d4899e411 adds the IS_ERR_OR_NULL() in
wireless-drivers but commit c9af7528c331 removes the whole check in
wireless-drivers-next. The fix is easy, just drop the whole check for
mvmvif->dbgfs_dir in iwlwifi/mvm/debugfs-vif.c, it's unneeded anyway.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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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 a bunch of warnings/errors that the
syzbot has been finding with it's new-found ability to stress-test the
USB layer.
All of these are tiny, but fix real issues, and are marked for stable
as well. All of these have had lots of testing in linux-next as well"
* tag 'usb-5.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: w1 ds2490: Fix bug caused by improper use of altsetting array
USB: yurex: Fix protection fault after device removal
usb: usbip: fix isoc packet num validation in get_pipe
USB: core: Fix bug caused by duplicate interface PM usage counter
USB: dummy-hcd: Fix failure to give back unlinked URBs
USB: core: Fix unterminated string returned by usb_string()
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The "fs->location" is a u32 that comes from the user in ethtool_set_rxnfc().
We can't pass unclamped values to test_bit() or it results in an out of
bounds access beyond the end of the bitmap.
Fixes: 7318166cacad ("net: dsa: bcm_sf2: Add support for ethtool::rxnfc")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit f4c34b1e2a37d5676180901fa6ff188bcb6371f8.
Simliar to commit a0cecc23cfcb Revert "drm/virtio: drop prime
import/export callbacks". We have to do the same with qxl,
for the same reasons (it breaks DRI3).
Drop the WARN_ON_ONCE().
Fixes: f4c34b1e2a37d5676 ("drm/qxl: drop prime import/export callbacks")
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20190426053324.26443-1-kraxel@redhat.com
Acked-by: Daniel Vetter <daniel@ffwll.ch>
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git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan
Stefan Schmidt says:
====================
ieee802154 for net 2019-04-25
An update from ieee802154 for your *net* tree.
Another fix from Kangjie Lu to ensure better checking regmap updates in the
mcr20a driver. Nothing else I have pending for the final release.
If there are any problems let me know.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The parameter to ZERO_PAGE() was wrong, but since all architectures
except for MIPS and s390 ignore it, it wasn't noticed until 0-day
reported the build error.
Fixes: 67f269b37f9b ("RDMA/ucontext: Fix regression with disassociate")
Cc: stable@vger.kernel.org
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Leon Romanovsky <leonro@mellanox.com>
Cc: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
ath.git fixes for 5.1. Major changes:
ath10k
* fix locking problem with crashdump
* fix warnings during suspend and resume
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ath10k_mac_vif_chan() always returns an error for the given vif
during system-wide resume which reliably triggers two WARN_ON()s
in ath10k_bss_info_changed() and they are not particularly
useful in that code path, so drop them.
Tested: QCA6174 hw3.2 PCI with WLAN.RM.2.0-00180-QCARMSWPZ-1
Tested: QCA6174 hw3.2 SDIO with WLAN.RMH.4.4.1-00007-QCARMSWP-1
Fixes: cd93b83ad927 ("ath10k: support for multicast rate control")
Fixes: f279294e9ee2 ("ath10k: add support for configuring management packet rate")
Cc: stable@vger.kernel.org
Reviewed-by: Brian Norris <briannorris@chromium.org>
Tested-by: Brian Norris <briannorris@chromium.org>
Tested-by: Claire Chang <tientzu@chromium.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Commit 25733c4e67df ("ath10k: pci: use mutex for diagnostic window CE
polling") introduced a regression where we try to sleep (grab a mutex)
in an atomic context:
[ 233.602619] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:254
[ 233.602626] in_atomic(): 1, irqs_disabled(): 0, pid: 0, name: swapper/0
[ 233.602636] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.1.0-rc2 #4
[ 233.602642] Hardware name: Google Scarlet (DT)
[ 233.602647] Call trace:
[ 233.602663] dump_backtrace+0x0/0x11c
[ 233.602672] show_stack+0x20/0x28
[ 233.602681] dump_stack+0x98/0xbc
[ 233.602690] ___might_sleep+0x154/0x16c
[ 233.602696] __might_sleep+0x78/0x88
[ 233.602704] mutex_lock+0x2c/0x5c
[ 233.602717] ath10k_pci_diag_read_mem+0x68/0x21c [ath10k_pci]
[ 233.602725] ath10k_pci_diag_read32+0x48/0x74 [ath10k_pci]
[ 233.602733] ath10k_pci_dump_registers+0x5c/0x16c [ath10k_pci]
[ 233.602741] ath10k_pci_fw_crashed_dump+0xb8/0x548 [ath10k_pci]
[ 233.602749] ath10k_pci_napi_poll+0x60/0x128 [ath10k_pci]
[ 233.602757] net_rx_action+0x140/0x388
[ 233.602766] __do_softirq+0x1b0/0x35c
[...]
ath10k_pci_fw_crashed_dump() is called from NAPI contexts, and firmware
memory dumps are retrieved using the diag memory interface.
A simple reproduction case is to run this on QCA6174A /
WLAN.RM.4.4.1-00132-QCARMSWP-1, which happens to be a way to b0rk the
firmware:
dd if=/sys/kernel/debug/ieee80211/phy0/ath10k/mem_value bs=4K count=1
of=/dev/null
(NB: simulated firmware crashes, via debugfs, don't trigger firmware
dumps.)
The fix is to move the crash-dump into a workqueue context, and avoid
relying on 'data_lock' for most mutual exclusion. We only keep using it
here for protecting 'fw_crash_counter', while the rest of the coredump
buffers are protected by a new 'dump_mutex'.
I've tested the above with simulated firmware crashes (debugfs 'reset'
file), real firmware crashes (the 'dd' command above), and a variety of
reboot and suspend/resume configurations on QCA6174A.
Reported here:
http://lkml.kernel.org/linux-wireless/20190325202706.GA68720@google.com
Fixes: 25733c4e67df ("ath10k: pci: use mutex for diagnostic window CE polling")
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Pull rdma fixes from Jason Gunthorpe:
"One core bug fix and a few driver ones
- FRWR memory registration for hfi1/qib didn't work with with some
iovas causing a NFSoRDMA failure regression due to a fix in the NFS
side
- A command flow error in mlx5 allowed user space to send a corrupt
command (and also smash the kernel stack we've since learned)
- Fix a regression and some bugs with device hot unplug that was
discovered while reviewing Andrea's patches
- hns has a failure if the user asks for certain QP configurations"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/hns: Bugfix for mapping user db
RDMA/ucontext: Fix regression with disassociate
RDMA/mlx5: Use rdma_user_map_io for mapping BAR pages
RDMA/mlx5: Do not allow the user to write to the clock page
IB/mlx5: Fix scatter to CQE in DCT QP creation
IB/rdmavt: Fix frwr memory registration
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git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
- fix for wrong register use in mediatek driver
- fix in sh driver for glitch is tx_status and treating 0 a valid
residue for cyclic
- fix in bcm driver for using right memory allocation flag
* tag 'dmaengine-fix-5.1-rc7' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: mediatek-cqdma: fix wrong register usage in mtk_cqdma_start
dmaengine: sh: rcar-dmac: Fix glitch in dmaengine_tx_status
dmaengine: sh: rcar-dmac: With cyclic DMA residue 0 is valid
dmaengine: bcm2835: Avoid GFP_KERNEL in device_prep_slave_sg
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When I rebased Greg's patch, I accidentally left the old if block that
was already there. Remove it.
Fixes: 154d4899e411 ("iwlwifi: mvm: properly check debugfs dentry before using it")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We introduced a bug that prevented this old device from
working. The driver would simply not be able to complete
the INIT flow while spewing this warning:
CSR addresses aren't configured
WARNING: CPU: 0 PID: 819 at drivers/net/wireless/intel/iwlwifi/pcie/drv.c:917
iwl_pci_probe+0x160/0x1e0 [iwlwifi]
Cc: stable@vger.kernel.org # v4.18+
Fixes: a8cbb46f831d ("iwlwifi: allow different csr flags for different device families")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Fixes: c8f1b51e506d ("iwlwifi: allow different csr flags for different device families")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We don't check for the validity of the lengths in the packet received
from the firmware. If the MPDU length received in the rx descriptor
is too short to contain the header length and the crypt length
together, we may end up trying to copy a negative number of bytes
(headlen - hdrlen < 0) which will underflow and cause us to try to
copy a huge amount of data. This causes oopses such as this one:
BUG: unable to handle kernel paging request at ffff896be2970000
PGD 5e201067 P4D 5e201067 PUD 5e205067 PMD 16110d063 PTE 8000000162970161
Oops: 0003 [#1] PREEMPT SMP NOPTI
CPU: 2 PID: 1824 Comm: irq/134-iwlwifi Not tainted 4.19.33-04308-geea41cf4930f #1
Hardware name: [...]
RIP: 0010:memcpy_erms+0x6/0x10
Code: 90 90 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 <f3> a4 c3
0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe
RSP: 0018:ffffa4630196fc60 EFLAGS: 00010287
RAX: ffff896be2924618 RBX: ffff896bc8ecc600 RCX: 00000000fffb4610
RDX: 00000000fffffff8 RSI: ffff896a835e2a38 RDI: ffff896be2970000
RBP: ffffa4630196fd30 R08: ffff896bc8ecc600 R09: ffff896a83597000
R10: ffff896bd6998400 R11: 000000000200407f R12: ffff896a83597050
R13: 00000000fffffff8 R14: 0000000000000010 R15: ffff896a83597038
FS: 0000000000000000(0000) GS:ffff896be8280000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff896be2970000 CR3: 000000005dc12002 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
iwl_mvm_rx_mpdu_mq+0xb51/0x121b [iwlmvm]
iwl_pcie_rx_handle+0x58c/0xa89 [iwlwifi]
iwl_pcie_irq_rx_msix_handler+0xd9/0x12a [iwlwifi]
irq_thread_fn+0x24/0x49
irq_thread+0xb0/0x122
kthread+0x138/0x140
ret_from_fork+0x1f/0x40
Fix that by checking the lengths for correctness and trigger a warning
to show that we have received wrong data.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"Just a couple of fixups for Synaptics RMI4 driver and allowing
snvs_pwrkey to be selected on more boards"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics-rmi4 - write config register values to the right offset
Input: synaptics-rmi4 - fix possible double free
Input: snvs_pwrkey - make it depend on ARCH_MXC
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In bnxt_rx_pkt(), if the driver encounters BD errors, it will recycle
the buffers and jump to the end where the uninitailized variable "len"
is referenced. Fix it by adding a new jump label that will skip
the length update. This is the most correct fix since the length
may not be valid when we get this type of error.
Fixes: 6a8788f25625 ("bnxt_en: add support for software dynamic interrupt moderation")
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Tested-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In an earlier commit that fixes the number of stats contexts to
reserve for the RDMA driver, we added a function parameter to pass in
the number of stats contexts to all the relevant functions. The passed
in parameter should have been used to set the enables field of the
firmware message.
Fixes: 780baad44f0f ("bnxt_en: Reserve 1 stat_ctx for RDMA driver.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If driver determines that extended TX port statistics are not supported
or allocation of the data structure fails, make sure to pass 0 TX stats
size to firmware to disable it. The firmware returned TX stats size should
also be set to 0 for consistency. This will prevent
bnxt_get_ethtool_stats() from accessing the NULL TX stats pointer in
case there is mismatch between firmware and driver.
Fixes: 36e53349b60b ("bnxt_en: Add additional extended port statistics.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we encounter errors during open and proceed to clean up,
bnxt_hwrm_ring_free() may crash if the rings we try to free have never
been allocated. bnxt_cp_ring_for_rx() or bnxt_cp_ring_for_tx()
may reference pointers that have not been allocated.
Fix it by checking for valid fw_ring_id first before calling
bnxt_cp_ring_for_rx() or bnxt_cp_ring_for_tx().
Fixes: 2c61d2117ecb ("bnxt_en: Add helper functions to get firmware CP ring ID.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the bnxt_init_one() error path, short FW command request memory
is not freed. This patch fixes it.
Fixes: e605db801bde ("bnxt_en: Support for Short Firmware Message")
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver builds a list of multicast addresses and sends it to the
firmware when the driver's ndo_set_rx_mode() is called. In rare
cases, the firmware can fail this call if internal resources to
add multicast addresses are exhausted. In that case, we should
try the call again by setting the ALL_MCAST flag which is more
guaranteed to succeed.
Fixes: c0c050c58d84 ("bnxt_en: New Broadcom ethernet driver.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This way, slhc_free() accepts what slhc_init() returns, whether that is
an error or not.
In particular, the pattern in sl_alloc_bufs() is
slcomp = slhc_init(16, 16);
...
slhc_free(slcomp);
for the error handling path, and rather than complicate that code, just
make it ok to always free what was returned by the init function.
That's what the code used to do before commit 4ab42d78e37a ("ppp, slip:
Validate VJ compression slot parameters completely") when slhc_init()
just returned NULL for the error case, with no actual indication of the
details of the error.
Reported-by: syzbot+45474c076a4927533d2e@syzkaller.appspotmail.com
Fixes: 4ab42d78e37a ("ppp, slip: Validate VJ compression slot parameters completely")
Acked-by: Ben Hutchings <ben@decadent.org.uk>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge misc fixes from Andrew Morton:
"9 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
fs/proc/proc_sysctl.c: Fix a NULL pointer dereference
mm/page_alloc.c: fix never set ALLOC_NOFRAGMENT flag
mm/page_alloc.c: avoid potential NULL pointer dereference
mm, page_alloc: always use a captured page regardless of compaction result
mm: do not boost watermarks to avoid fragmentation for the DISCONTIG memory model
lib/test_vmalloc.c: do not create cpumask_t variable on stack
lib/Kconfig.debug: fix build error without CONFIG_BLOCK
zram: pass down the bvec we need to read into in the work struct
mm/memory_hotplug.c: drop memory device reference after find_memory_block()
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Currently any changed config register values don't take effect, as the
function to write them back is called with the wrong register offset.
Fixes: ff8f83708b3e (Input: synaptics-rmi4 - add support for 2D
sensors and F11)
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Not much to say about them, regular fixes:
- Fix a bug on the errorpath of gpiochip_add_data_with_key()
- IRQ type setting on the spreadtrum GPIO driver"
* tag 'gpio-v5.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: Fix gpiochip_add_data_with_key() error path
gpio: eic: sprd: Fix incorrect irq type setting for the sync EIC
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Pull drm fixes from Dave Airlie:
"Regular drm fixes, nothing too outstanding, I'm guessing Easter was
slowing people down.
i915:
- FEC enable fix
- BXT display lanes fix
ttm:
- fix reinit for reloading drivers regression
imx:
- DP CSC fix
sun4i:
- module unload/load fix
vc4:
- memory leak fix
- compile fix
dw-hdmi:
- rockchip scdc overflow fix
sched:
- docs fix
vmwgfx:
- dma api layering fix"
* tag 'drm-fixes-2019-04-26' of git://anongit.freedesktop.org/drm/drm:
drm/bridge: dw-hdmi: fix SCDC configuration for ddc-i2c-bus
drm/vmwgfx: Fix dma API layer violation
drm/vc4: Fix compilation error reported by kbuild test bot
drm/sun4i: Unbind components before releasing DRM and memory
drm/vc4: Fix memory leak during gpu reset.
drm/sched: Fix description of drm_sched_stop
drm/imx: don't skip DP channel disable for background plane
gpu: ipu-v3: dp: fix CSC handling
drm/ttm: fix re-init of global structures
drm/sun4i: Fix component unbinding and component master deletion
drm/sun4i: Set device driver data at bind time for use in unbind
drm/sun4i: Add missing drm_atomic_helper_shutdown at driver unbind
drm/i915: Restore correct bxt_ddi_phy_calc_lane_lat_optim_mask() calculation
drm/i915: Do not enable FEC without DSC
drm: bridge: dw-hdmi: Fix overflow workaround for Rockchip SoCs
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When scheduling work item to read page we need to pass down the proper
bvec struct which points to the page to read into. Before this patch it
uses a randomly initialized bvec (only if PAGE_SIZE != 4096) which is
wrong.
Note that without this patch on arch/kernel where PAGE_SIZE != 4096
userspace could read random memory through a zram block device (thought
userspace probably would have no control on the address being read).
Link: http://lkml.kernel.org/r/20190408183219.26377-1-jglisse@redhat.com
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
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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marvell_get_sset_count() returns how many statistics counters there
are. If the PHY supports fibre, there are 3, otherwise two.
marvell_get_strings() does not make this distinction, and always
returns 3 strings. This then often results in writing past the end
of the buffer for the strings.
Fixes: 2170fef78a40 ("Marvell phy: add field to get errors from fiber link.")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adding device entries found in vendor modified versions of this
driver. Function maps for some of the devices follow:
WNC D16Q1, D16Q5, D18Q1 LTE CAT3 module (1435:0918)
MI_00 Qualcomm HS-USB Diagnostics
MI_01 Android Debug interface
MI_02 Qualcomm HS-USB Modem
MI_03 Qualcomm Wireless HS-USB Ethernet Adapter
MI_04 Qualcomm Wireless HS-USB Ethernet Adapter
MI_05 Qualcomm Wireless HS-USB Ethernet Adapter
MI_06 USB Mass Storage Device
T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1435 ProdID=0918 Rev= 2.32
S: Manufacturer=Android
S: Product=Android
S: SerialNumber=0123456789ABCDEF
C:* #Ifs= 7 Cfg#= 1 Atr=80 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=84(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
E: Ad=86(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
E: Ad=88(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
E: Ad=8a(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
E: Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
WNC D18 LTE CAT3 module (1435:d182)
MI_00 Qualcomm HS-USB Diagnostics
MI_01 Androd Debug interface
MI_02 Qualcomm HS-USB Modem
MI_03 Qualcomm HS-USB NMEA
MI_04 Qualcomm Wireless HS-USB Ethernet Adapter
MI_05 Qualcomm Wireless HS-USB Ethernet Adapter
MI_06 USB Mass Storage Device
ZM8510/ZM8620/ME3960 (19d2:0396)
MI_00 ZTE Mobile Broadband Diagnostics Port
MI_01 ZTE Mobile Broadband AT Port
MI_02 ZTE Mobile Broadband Modem
MI_03 ZTE Mobile Broadband NDIS Port (qmi_wwan)
MI_04 ZTE Mobile Broadband ADB Port
ME3620_X (19d2:1432)
MI_00 ZTE Diagnostics Device
MI_01 ZTE UI AT Interface
MI_02 ZTE Modem Device
MI_03 ZTE Mobile Broadband Network Adapter
MI_04 ZTE Composite ADB Interface
Reported-by: Lars Melin <larsm17@gmail.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Manage the -EPROBE_DEFER error case for "stm32_pwr_wakeup" IRQ.
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes wrong register usage in the mtk_cqdma_start. The
destination register should be MTK_CQDMA_DST2 instead.
Fixes: b1f01e48df5a ("dmaengine: mediatek: Add MediaTek Command-Queue DMA controller for MT6765 SoC")
Signed-off-by: Shun-Chih Yu <shun-chih.yu@mediatek.com>
Cc: stable@vger.kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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into drm-fixes
drm/imx: fix DP CSC handling
- Fix the DP color space conversion matrix setup to avoid bugs where
disabling the overlay plane while both primary and overlay plane are
routed via the CSC unit would not reconfigure the CSC routing
properly, leaving the display in a nonworking state, or the CSC
setting from a previously set mode would be left behind, causing
wrong colors when reenabling the display in certain configurations.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/1556183136.2271.3.camel@pengutronix.de
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git://people.freedesktop.org/~thomash/linux into drm-fixes
A single fix for a layer violation requested by Cristoph.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom <thellstrom@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190425204100.3982-1-thellstrom@vmware.com
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