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Here are some small USB fixes that resolve a number of tiny issues.
They include:
- new USB serial driver ids
- xhci driver fixes for a bunch of issues
- musb error path fixes.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes that resolve a number of tiny issues.
They include:
- new USB serial driver ids
- xhci driver fixes for a bunch of issues
- musb error path fixes.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: musb: dsps: Fix the probe error path
xhci: Enable trust tx length quirk for Fresco FL11 USB controller
xhci: Fix command ring pointer corruption while aborting a command
USB: xhci: dbc: fix tty registration race
xhci: add quirk for host controllers that don't update endpoint DCS
xhci: guard accesses to ep_state in xhci_endpoint_reset()
USB: serial: qcserial: add EM9191 QDL support
USB: serial: option: add Quectel EC200S-CN module support
USB: serial: option: add prod. id for Quectel EG91
USB: serial: option: add Telit LE910Cx composition 0x1204
Pull input fixes from Dmitry Torokhov:
- a new product ID for the xpad joystick driver
- fixes to resistive-adc-touch and snvs_pwrkey drivers
- a change to touchscreen helpers to make clang happier
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: touchscreen - avoid bitwise vs logical OR warning
Input: xpad - add support for another USB ID of Nacon GC-100
Input: resistive-adc-touch - fix division by zero error on z1 == 0
Input: snvs_pwrkey - add clk handling
Since alloc_can_err_skb() puts NULL in cf in the case when skb cannot
be allocated and can_change_state() handles the case when cf is NULL,
the test on the nullity of skb is now unnecessary.
Link: https://lore.kernel.org/all/20210929142111.55757-2-s.grosjean@peak-system.com
Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This corrects the lack of notification of a return to ERROR_ACTIVE
state for USB - CANFD devices from PEAK-System.
Fixes: 0a25e1f4f185 ("can: peak_usb: add support for PEAK new CANFD USB adapters")
Link: https://lore.kernel.org/all/20210929142111.55757-1-s.grosjean@peak-system.com
Cc: stable@vger.kernel.org
Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
The read and writes from the fifo are from a buffer, with various
fields and data at predefined offsets. So, they should not be done to
the same address(or port) in case of val_count greater than 1.
Therefore, fix this by using iowrite32()/ioread32() instead of
ioread32_rep()/iowrite32_rep().
Also, the write into FIFO must be performed with an offset from the
message ram base address. Therefore, fix the base address to
mram_base.
Fixes: e39381770ec9 ("can: m_can: Disable IRQs on FIFO bus errors")
Link: https://lore.kernel.org/all/20210920123344.2320-1-a-govindraju@ti.com
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
If the driver was not opened, rcar_can_suspend() should not call
clk_disable() because the clock was not enabled.
Fixes: fd1159318e55 ("can: add Renesas R-Car CAN driver")
Link: https://lore.kernel.org/all/20210924075556.223685-1-yoshihiro.shimoda.uh@renesas.com
Cc: stable@vger.kernel.org
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Ayumi Nakamichi <ayumi.nakamichi.kf@renesas.com>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Tested-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Since commit 430a67f9d616 ("block, bfq: merge bursts of newly-created
queues"), BFQ maintains a per-group pointer to the last bfq_queue
created. If such a queue, say bfqq, happens to move to a different
group, then bfqq is no more a valid last bfq_queue created for its
previous group. That pointer must then be cleared. Not resetting such
a pointer may also cause UAF, if bfqq happens to also be freed after
being moved to a different group. This commit performs this missing
reset. As such it fixes commit 430a67f9d616 ("block, bfq: merge bursts
of newly-created queues").
Such a missing reset is most likely the cause of the crash reported in [1].
With some analysis, we found that this crash was due to the
above UAF. And such UAF did go away with this commit applied [1].
Anyway, before this commit, that crash happened to be triggered in
conjunction with commit 2d52c58b9c9b ("block, bfq: honor already-setup
queue merges"). The latter was then reverted by commit ebc69e897e17
("Revert "block, bfq: honor already-setup queue merges""). Yet commit
2d52c58b9c9b ("block, bfq: honor already-setup queue merges") contains
no error related with the above UAF, and can then be restored.
[1] https://bugzilla.kernel.org/show_bug.cgi?id=214503
Fixes: 430a67f9d616 ("block, bfq: merge bursts of newly-created queues")
Tested-by: Grzegorz Kowal <custos.mentis@gmail.com>
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Link: https://lore.kernel.org/r/20211015144336.45894-2-paolo.valente@linaro.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Warn when the last reference on a live disk is put without calling
del_gendisk first. There are some BDI related bug reports that look
like a case of this, so make sure we have the proper instrumentation
to catch it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211014130231.1468538-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
As with commit 8b52d8be86d72308 ("loop: reorder loop_exit"),
unregister_blkdev() needs to be called first in order to avoid calling
brd_alloc() from brd_probe() after brd_del_one() from brd_exit(). Then,
we can avoid holding global mutex during add_disk()/del_gendisk() as with
commit 1c500ad706383f1a ("loop: reduce the loop_ctl_mutex scope").
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/e205f13d-18ff-a49c-0988-7de6ea5ff823@i-love.sakura.ne.jp
Signed-off-by: Jens Axboe <axboe@kernel.dk>
When isotp_sendmsg() concurrent, tx.state of all TX processes can be
ISOTP_IDLE. The conditions so->tx.state != ISOTP_IDLE and
wq_has_sleeper(&so->wait) can not protect TX buffer from being
accessed by multiple TX processes.
We can use cmpxchg() to try to modify tx.state to ISOTP_SENDING firstly.
If the modification of the previous process succeed, the later process
must wait tx.state to ISOTP_IDLE firstly. Thus, we can ensure TX buffer
is accessed by only one process at the same time. And we should also
restore the original tx.state at the subsequent error processes.
Fixes: e057dd3fc20f ("can: add ISO 15765-2:2016 transport protocol")
Link: https://lore.kernel.org/all/c2517874fbdf4188585cf9ddf67a8fa74d5dbde5.1633764159.git.william.xuanziyang@huawei.com
Cc: stable@vger.kernel.org
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Using wait_event_interruptible() to wait for complete transmission,
but do not check the result of wait_event_interruptible() which can be
interrupted. It will result in TX buffer has multiple accessors and
the later process interferes with the previous process.
Following is one of the problems reported by syzbot.
=============================================================
WARNING: CPU: 0 PID: 0 at net/can/isotp.c:840 isotp_tx_timer_handler+0x2e0/0x4c0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.13.0-rc7+ #68
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1 04/01/2014
RIP: 0010:isotp_tx_timer_handler+0x2e0/0x4c0
Call Trace:
<IRQ>
? isotp_setsockopt+0x390/0x390
__hrtimer_run_queues+0xb8/0x610
hrtimer_run_softirq+0x91/0xd0
? rcu_read_lock_sched_held+0x4d/0x80
__do_softirq+0xe8/0x553
irq_exit_rcu+0xf8/0x100
sysvec_apic_timer_interrupt+0x9e/0xc0
</IRQ>
asm_sysvec_apic_timer_interrupt+0x12/0x20
Add result check for wait_event_interruptible() in isotp_sendmsg()
to avoid multiple accessers for tx buffer.
Fixes: e057dd3fc20f ("can: add ISO 15765-2:2016 transport protocol")
Link: https://lore.kernel.org/all/10ca695732c9dd267c76a3c30f37aefe1ff7e32f.1633764159.git.william.xuanziyang@huawei.com
Cc: stable@vger.kernel.org
Reported-by: syzbot+78bab6958a614b0c80b9@syzkaller.appspotmail.com
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
The receiver should abort TP if 'total message size' in TP.CM_RTS and
TP.CM_BAM is less than 9 or greater than 1785 [1], but currently the
j1939 stack only checks the upper bound and the receiver will accept
the following broadcast message:
vcan1 18ECFF00 [8] 20 08 00 02 FF 00 23 01
vcan1 18EBFF00 [8] 01 00 00 00 00 00 00 00
vcan1 18EBFF00 [8] 02 00 FF FF FF FF FF FF
This patch adds check for the lower bound and abort illegal TP.
[1] SAE-J1939-82 A.3.4 Row 2 and A.3.6 Row 6.
Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
Link: https://lore.kernel.org/all/1634203601-3460-1-git-send-email-zhangchangzhong@huawei.com
Cc: stable@vger.kernel.org
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
According to SAE-J1939-21, the data length of TP.DT must be 8 bytes, so
cancel session when receive unexpected TP.DT message.
Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
Link: https://lore.kernel.org/all/1632972800-45091-1-git-send-email-zhangchangzhong@huawei.com
Cc: stable@vger.kernel.org
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
When the session state is J1939_SESSION_DONE, j1939_tp_rxtimer() will
give an alert "rx timeout, send abort", but do nothing actually. Move
the alert into session active judgment condition, it is more
reasonable.
One of the scenarios is that j1939_tp_rxtimer() execute followed by
j1939_xtp_rx_abort_one(). After j1939_xtp_rx_abort_one(), the session
state is J1939_SESSION_DONE, then j1939_tp_rxtimer() give an alert.
Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
Link: https://lore.kernel.org/all/20210906094219.95924-1-william.xuanziyang@huawei.com
Cc: stable@vger.kernel.org
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
- Fix 'perf test evsel' build error on !x86 architectures.
- Fix libperf's test_stat_cpu mixup of CPU numbers and CPU indexes.
- Output offsets for decompressed records, not just useless zeros.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v5.15-2021-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix 'perf test evsel' build error on !x86 architectures
- Fix libperf's test_stat_cpu mixup of CPU numbers and CPU indexes
- Output offsets for decompressed records, not just useless zeros
* tag 'perf-tools-fixes-for-v5.15-2021-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
libperf tests: Fix test_stat_cpu
libperf test evsel: Fix build error on !x86 architectures
perf report: Output non-zero offset for decompressed records
NOMAP regions don't have linear map entries so an attempt to scan these
areas in kmemleak would fault.
Prevent such faults by excluding NOMAP regions from kmemleak.
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Merge tag 'fixes-2021-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fix from Mike Rapoport:
"Fix handling of NOMAP regions with kmemleak.
NOMAP regions don't have linear map entries so an attempt to scan
these areas in kmemleak would fault.
Prevent such faults by excluding NOMAP regions from kmemleak"
* tag 'fixes-2021-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: exclude NOMAP regions from kmemleak
- Fix defined but not use warning/error for osnoise function
- Fix memory leak in event probe
- Fix memblock leak in bootconfig
- Fix the API of event probes to be like kprobes
- Added test to check removal of event probe API
- Fix recordmcount.pl for nds32 failed build
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Merge tag 'trace-v5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Tracing fixes for 5.15:
- Fix defined but not use warning/error for osnoise function
- Fix memory leak in event probe
- Fix memblock leak in bootconfig
- Fix the API of event probes to be like kprobes
- Added test to check removal of event probe API
- Fix recordmcount.pl for nds32 failed build
* tag 'trace-v5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
nds32/ftrace: Fix Error: invalid operands (*UND* and *UND* sections) for `^'
selftests/ftrace: Update test for more eprobe removal process
tracing: Fix event probe removal from dynamic events
tracing: Fix missing * in comment block
bootconfig: init: Fix memblock leak in xbc_make_cmdline()
tracing: Fix memory leak in eprobe_register()
tracing: Fix missing osnoise tracer on max_latency
- Select gdsc config so qcom sm6350 driver probes
- Fix a register offset in qcom gcc-sm6115 so the correct clk is
controlled
- Fix inverted logic in Renesas RZ/G2L .is_enabled()
- Mark some more clks critical in Renesas clk driver
- Remove a duplicate clk in the agilex driver
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk driver fixes from Stephen Boyd:
"Clk driver fixes for critical issues found in the past few weeks:
- Select gdsc config so qcom sm6350 driver probes
- Fix a register offset in qcom gcc-sm6115 so the correct clk is
controlled
- Fix inverted logic in Renesas RZ/G2L .is_enabled()
- Mark some more clks critical in Renesas clk driver
- Remove a duplicate clk in the agilex driver"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: qcom: add select QCOM_GDSC for SM6350
clk: qcom: gcc-sm6115: Fix offset for hlos1_vote_turing_mmu_tbu0_gdsc
clk: socfpga: agilex: fix duplicate s2f_user0_clk
clk: renesas: rzg2l: Fix clk status function
clk: renesas: r9a07g044: Mark IA55_CLK and DMAC_ACLK critical
- Maintainers and reviewers changes:
- Cornelia decided to free up her time and step down from vfio-ccw
maintainer and s390 kvm reviewer duties.
- Add Alexander Gordeev as s390 arch code reviewer.
- Fix broken strrchr implementation.
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Merge tag 's390-5.15-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Maintainers and reviewers changes:
* Cornelia decided to free up her time and step down from vfio-ccw
maintainer and s390 kvm reviewer duties
* Add Alexander Gordeev as s390 arch code reviewer
- Fix broken strrchr implementation
* tag 's390-5.15-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: add Alexander Gordeev as reviewer
s390: fix strrchr() implementation
vfio-ccw: step down as maintainer
KVM: s390: remove myself as reviewer
Only 5 fixups:
- Make HAVE_TCM depend on !COMPILE_TEST
- bitops: Remove duplicate __clear_bit define
- Select ARCH_WANT_FRAME_POINTERS only if compiler supports it
- Fixup regs.sr broken in ptrace
- don't let sigreturn play with priveleged bits of status register
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Merge tag 'csky-for-linus-5.15-rc6' of git://github.com/c-sky/csky-linux
Pull csky fixes from Guo Ren:
"Only 5 fixups:
- Make HAVE_TCM depend on !COMPILE_TEST
- bitops: Remove duplicate __clear_bit define
- Select ARCH_WANT_FRAME_POINTERS only if compiler supports it
- Fixup regs.sr broken in ptrace
- don't let sigreturn play with priveleged bits of status register"
* tag 'csky-for-linus-5.15-rc6' of git://github.com/c-sky/csky-linux:
csky: Make HAVE_TCM depend on !COMPILE_TEST
csky: bitops: Remove duplicate __clear_bit define
csky: Select ARCH_WANT_FRAME_POINTERS only if compiler supports it
csky: Fixup regs.sr broken in ptrace
csky: don't let sigreturn play with priveleged bits of status register
A small number fixes this time, mostly touching actual code:
- Add platform device for i.MX System Reset Controller (SRC) to fix
a regression caused by fw_devlink change.
- A fixup for a boot regression caused by my own rework for the
Qualcomm SCM driver.
- Multiple bugfixes for the Arm FFA and optee firmware drivers,
addressing problems when they are built as a loadable module.
- Four dts bugfixes for the Broadcom SoC used in Raspberry pi, addressing
VEC (video encoder), MDIO bus controller #address-cells/#size-cells,
SDIO voltage and PCIe host bridge dtc warnings.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-fixes-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"A small number fixes this time, mostly touching actual code:
- Add platform device for i.MX System Reset Controller (SRC) to
fix a regression caused by fw_devlink change
- A fixup for a boot regression caused by my own rework for the
Qualcomm SCM driver
- Multiple bugfixes for the Arm FFA and optee firmware drivers,
addressing problems when they are built as a loadable module
- Four dts bugfixes for the Broadcom SoC used in Raspberry pi,
addressing VEC (video encoder), MDIO bus controller
#address-cells/#size-cells, SDIO voltage and PCIe host bridge
dtc warnings"
* tag 'arm-soc-fixes-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: imx: register reset controller from a platform driver
iommu/arm: fix ARM_SMMU_QCOM compilation
ARM: dts: bcm2711-rpi-4-b: Fix usb's unit address
ARM: dts: bcm2711-rpi-4-b: Fix pcie0's unit address formatting
tee: optee: Fix missing devices unregister during optee_remove
ARM: dts: bcm2711-rpi-4-b: fix sd_io_1v8_reg regulator states
ARM: dts: bcm2711: fix MDIO #address- and #size-cells
ARM: dts: bcm283x: Fix VEC address for BCM2711
firmware: arm_ffa: Fix __ffa_devices_unregister
firmware: arm_ffa: Add missing remove callback to ffa_bus_type
Add a missing device ID to a quirk list in the suspend-to-idle
support code.
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Merge tag 'acpi-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Add a missing device ID to a quirk list in the suspend-to-idle support
code"
* tag 'acpi-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: PM: Include alternate AMDI0005 id in special behaviour
When I added IGMPv3 support I decided to follow the RFC for computing
the GMI dynamically:
" 8.4. Group Membership Interval
The Group Membership Interval is the amount of time that must pass
before a multicast router decides there are no more members of a
group or a particular source on a network.
This value MUST be ((the Robustness Variable) times (the Query
Interval)) plus (one Query Response Interval)."
But that actually is inconsistent with how the bridge used to compute it
for IGMPv2, where it was user-configurable that has a correct default value
but it is up to user-space to maintain it. This would make it consistent
with the other timer values which are also maintained correct by the user
instead of being dynamically computed. It also changes back to the previous
user-expected GMI behaviour for IGMPv3 queries which were supported before
IGMPv3 was added. Note that to properly compute it dynamically we would
need to add support for "Robustness Variable" which is currently missing.
Reported-by: Hangbin Liu <liuhangbin@gmail.com>
Fixes: 0436862e417e ("net: bridge: mcast: support for IGMPv3/MLDv2 ALLOW_NEW_SOURCES report")
Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a fix for the fix (yeah, /facepalm).
The correct mask to use is not the negation of the MXCSR_MASK but the
actual mask which contains the supported bits in the MXCSR register.
Reported and debugged by Ville Syrjälä <ville.syrjala@linux.intel.com>
Fixes: d298b03506d3 ("x86/fpu: Restore the masking out of reserved MXCSR bits")
Signed-off-by: Borislav Petkov <bp@suse.de>
Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Ser Olmy <ser.olmy@protonmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/YWgYIYXLriayyezv@intel.com
A new warning in clang points out a few places in this driver where a
bitwise OR is being used with boolean types:
drivers/input/touchscreen.c:81:17: warning: use of bitwise '|' with boolean operands [-Wbitwise-instead-of-logical]
data_present = touchscreen_get_prop_u32(dev, "touchscreen-min-x",
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This use of a bitwise OR is intentional, as bitwise operations do not
short circuit, which allows all the calls to touchscreen_get_prop_u32()
to happen so that the last parameter is initialized while coalescing the
results of the calls to make a decision after they are all evaluated.
To make this clearer to the compiler, use the '|=' operator to assign
the result of each touchscreen_get_prop_u32() call to data_present,
which keeps the meaning of the code the same but makes it obvious that
every one of these calls is expected to happen.
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20211014205757.3474635-1-nathan@kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The Nacon GX100XF is already mapped, but it seems there is a Nacon
GC-100 (identified as NC5136Wht PCGC-100WHITE though I believe other
colours exist) with a different USB ID when in XInput mode.
Signed-off-by: Michael Cullen <michael@michaelcullen.name>
Link: https://lore.kernel.org/r/20211015192051.5196-1-michael@michaelcullen.name
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
For proper pressure calculation we need at least x and z1 to be non
zero. Even worse, in case z1 we may run in to division by zero
error.
Fixes: 60b7db914ddd ("Input: resistive-adc-touch - rework mapping of channels")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20211007095727.29579-1-o.rempel@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
On i.MX7S and i.MX8M* (but not i.MX6*) the pwrkey device has an
associated clock. Accessing the registers requires that this clock is
enabled. Binding the driver on at least i.MX7S and i.MX8MP while not
having the clock enabled results in a complete hang of the machine.
(This usually only happens if snvs_pwrkey is built as a module and the
rtc-snvs driver isn't already bound because at bootup the required clk
is on and only gets disabled when the clk framework disables unused clks
late during boot.)
This completes the fix in commit 135be16d3505 ("ARM: dts: imx7s: add
snvs clock to pwrkey").
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20211013062848.2667192-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
q->disk becomes invalid after the gendisk is removed. Work around this
by caching the dev_t for the tracepoints. The real fix would be to
properly tear down the I/O schedulers with the gendisk, but that is
a much more invasive change.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211012093301.GA27795@lst.de
Tested-by: Yi Zhang <yi.zhang@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Don't switch back to percpu mode to avoid the double RCU grace period
when tearing down SCSI devices. After removing the disk only passthrough
commands can be send anyway.
Suggested-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20210929071241.934472-6-hch@lst.de
Tested-by: Yi Zhang <yi.zhang@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Instead of delaying draining of file system I/O related items like the
blk-qos queues, the integrity read workqueue and timeouts only when the
request_queue is removed, do that when del_gendisk is called. This is
important for SCSI where the upper level drivers that control the gendisk
are separate entities, and the disk can be freed much earlier than the
request_queue, or can even be unbound without tearing down the queue.
Fixes: edb0872f44ec ("block: move the bdi from the request_queue to the gendisk")
Reported-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20210929071241.934472-5-hch@lst.de
Tested-by: Yi Zhang <yi.zhang@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
To prepare for fixing a gendisk shutdown race, open code the
blk_queue_enter logic in bio_queue_enter. This also removes the
pointless flags translation.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20210929071241.934472-4-hch@lst.de
Tested-by: Yi Zhang <yi.zhang@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Factor out the code to try to get q_usage_counter without blocking into
a separate helper. Both to improve code readability and to prepare for
splitting bio_queue_enter from blk_queue_enter.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20210929071241.934472-3-hch@lst.de
Tested-by: Yi Zhang <yi.zhang@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Ensure all bios check the current values of the queue under freeze
protection, i.e. to make sure the zero capacity set by del_gendisk
is actually seen before dispatching to the driver.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210929071241.934472-2-hch@lst.de
Tested-by: Yi Zhang <yi.zhang@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
I received a build failure for a new patch I'm working on the nds32
architecture, and when I went to test it, I couldn't get to my build error,
because it failed to build with a bunch of:
Error: invalid operands (*UND* and *UND* sections) for `^'
issues with various files. Those files were temporary asm files that looked
like: kernel/.tmp_mc_fork.s
I decided to look deeper, and found that the "mc" portion of that name
stood for "mcount", and was created by the recordmcount.pl script. One that
I wrote over a decade ago. Once I knew the source of the problem, I was
able to investigate it further.
The way the recordmcount.pl script works (BTW, there's a C version that
simply modifies the ELF object) is by doing an "objdump" on the object
file. Looks for all the calls to "mcount", and creates an offset of those
locations from some global variable it can use (usually a global function
name, found with <.*>:). Creates a asm file that is a table of references
to these locations, using the found variable/function. Compiles it and
links it back into the original object file. This asm file is called
".tmp_mc_<object_base_name>.s".
The problem here is that the objdump produced by the nds32 object file,
contains things that look like:
0000159a <.L3^B1>:
159a: c6 00 beqz38 $r6, 159a <.L3^B1>
159a: R_NDS32_9_PCREL_RELA .text+0x159e
159c: 84 d2 movi55 $r6, #-14
159e: 80 06 mov55 $r0, $r6
15a0: ec 3c addi10.sp #0x3c
Where ".L3^B1 is somehow selected as the "global" variable to index off of.
Then the assembly file that holds the mcount locations looks like this:
.section __mcount_loc,"a",@progbits
.align 2
.long .L3^B1 + -5522
.long .L3^B1 + -5384
.long .L3^B1 + -5270
.long .L3^B1 + -5098
.long .L3^B1 + -4970
.long .L3^B1 + -4758
.long .L3^B1 + -4122
[...]
And when it is compiled back to an object to link to the original object,
the compile fails on the "^" symbol.
Simple solution for now, is to have the perl script ignore using function
symbols that have an "^" in the name.
Link: https://lkml.kernel.org/r/20211014143507.4ad2c0f7@gandalf.local.home
Cc: stable@vger.kernel.org
Acked-by: Greentime Hu <green.hu@gmail.com>
Fixes: fbf58a52ac088 ("nds32/ftrace: Add RECORD_MCOUNT support")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
In the big pgtable header split, I inadvertently introduced a couple of
duplicate symbols.
Fixes: fe6cb7b043b69cd9 ("ARC: mm: disintegrate pgtable.h into levels and flags")
Signed-off-by: Vineet Gupta <vgupta@kernel.org>
In `test_no_sockets` we don't expect any sockets, indeed
check_no_sockets() prints an error and exits if `sockets` list is
not empty, so free_sock_stat() call is unnecessary since it would
only be called when the `sockets` list is empty.
This was discovered by a strange warning printed by gcc v11.2.1:
In file included from ../../include/linux/list.h:7,
from vsock_diag_test.c:18:
vsock_diag_test.c: In function ‘test_no_sockets’:
../../include/linux/kernel.h:35:45: error: array subscript ‘struct vsock_stat[0]’ is partly outside array bound
s of ‘struct list_head[1]’ [-Werror=array-bounds]
35 | const typeof(((type *)0)->member) * __mptr = (ptr); \
| ^~~~~~
../../include/linux/list.h:352:9: note: in expansion of macro ‘container_of’
352 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
../../include/linux/list.h:393:9: note: in expansion of macro ‘list_entry’
393 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
../../include/linux/list.h:522:21: note: in expansion of macro ‘list_next_entry’
522 | n = list_next_entry(pos, member); \
| ^~~~~~~~~~~~~~~
vsock_diag_test.c:325:9: note: in expansion of macro ‘list_for_each_entry_safe’
325 | list_for_each_entry_safe(st, next, sockets, list) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from vsock_diag_test.c:18:
vsock_diag_test.c:333:19: note: while referencing ‘sockets’
333 | LIST_HEAD(sockets);
| ^~~~~~~
../../include/linux/list.h:23:26: note: in definition of macro ‘LIST_HEAD’
23 | struct list_head name = LIST_HEAD_INIT(name)
It seems related to some compiler optimization and assumption
about the empty `sockets` list, since this warning is printed
only with -02 or -O3. Also removing `exit(1)` from
check_no_sockets() makes the warning disappear since in that
case free_sock_stat() can be reached also when the list is
not empty.
Reported-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20211014152045.173872-1-sgarzare@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2021-10-14
Brett ensures RDMA nodes are removed during release and rebuild. He also
corrects fw.mgmt.api to include the patch number for proper
identification.
Dave stops ida_free() being called when an IDA has not been allocated.
Michal corrects the order of parameters being provided and the number of
entries skipped for UDP tunnels.
====================
Link: https://lore.kernel.org/r/20211014181953.3538330-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Building csky:allmodconfig results in the following build errors.
arch/csky/mm/tcm.c:9:2: error:
#error "You should define ITCM_RAM_BASE"
9 | #error "You should define ITCM_RAM_BASE"
| ^~~~~
arch/csky/mm/tcm.c:14:2: error:
#error "You should define DTCM_RAM_BASE"
14 | #error "You should define DTCM_RAM_BASE"
| ^~~~~
arch/csky/mm/tcm.c:18:2: error:
#error "You should define correct DTCM_RAM_BASE"
18 | #error "You should define correct DTCM_RAM_BASE"
This is seen with compile tests since those enable HAVE_TCM,
but do not provide useful default values for ITCM_RAM_BASE or
DTCM_RAM_BASE. Disable HAVE_TCM for commpile tests to avoid
the error.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guo Ren <guoren@kernel.org>
Building csky:allmodconfig results in the following build error.
In file included from ./include/linux/bitops.h:33,
from ./include/linux/log2.h:12,
from kernel/bounds.c:13:
./arch/csky/include/asm/bitops.h:77: error: "__clear_bit" redefined
Since commit 9248e52fec95 ("locking/atomic: simplify non-atomic wrappers"),
__clear_bit is defined in include/asm-generic/bitops/non-atomic.h,
and the define in the csky include file is no longer necessary or useful.
Remove it.
Fixes: 9248e52fec95 ("locking/atomic: simplify non-atomic wrappers")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guo Ren <guoren@kernel.org>
Compiling csky:allmodconfig with an upstream C compiler results
in the following error.
csky-linux-gcc: error:
unrecognized command-line option '-mbacktrace';
did you mean '-fbacktrace'?
Select ARCH_WANT_FRAME_POINTERS only if gcc supports it to
avoid the error.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guo Ren <guoren@kernel.org>
gpr_get() return the entire pt_regs (include sr) to userspace, if we
don't restore the C bit in gpr_set, it may break the ALU result in
that context. So the C flag bit is part of gpr context, that's why
riscv totally remove the C bit in the ISA. That makes sr reg clear
from userspace to supervisor privilege.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@vger.kernel.org
csky restore_sigcontext() blindly overwrites regs->sr with the value
it finds in sigcontext. Attacker can store whatever they want in there,
which includes things like S-bit. Userland shouldn't be able to set
that, or anything other than C flag (bit 0).
Do the same thing other architectures with protected bits in flags
register do - preserve everything that shouldn't be settable in
user mode, picking the rest from the value saved is sigcontext.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Guo Ren <guoren@kernel.org>
Cc: stable@vger.kernel.org
Commit bdb7cc643fc9 ("ipv6: Count interface receive statistics on the
ingress netdev") does not work when ip6_forward() executes on the skbs
with vrf-enslaved netdev. Use IP6CB(skb)->iif to get to the right one.
Add a selftest script to verify.
Fixes: bdb7cc643fc9 ("ipv6: Count interface receive statistics on the ingress netdev")
Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20211014130845.410602-1-ssuryaextr@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
