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Dell platform with ALC215 ALC285 ALC289 ALC225 ALC295 ALC299, plug
headphone or headset.
It had a chance to get no sound from headphone.
Replace depop procedure will solve this issue.
Signed-off-by: Kailang Yang <kailang@realtek.com>
Link: https://lore.kernel.org/d0de1b03fd174520945dde216d765223@realtek.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Ensure there is sufficient room to access the protocol field of the
VLAN header, validate it once before the flowtable lookup.
=====================================================
BUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x45a/0x5f0 net/netfilter/nf_flow_table_inet.c:32
nf_flow_offload_inet_hook+0x45a/0x5f0 net/netfilter/nf_flow_table_inet.c:32
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626
nf_hook_ingress include/linux/netfilter_netdev.h:34 [inline]
nf_ingress net/core/dev.c:5440 [inline]
Fixes: 4cd91f7c290f ("netfilter: flowtable: add vlan support")
Reported-by: syzbot+8407d9bb88cd4c6bf61a@syzkaller.appspotmail.com
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Depopulate device in probe error paths to fix leak of children
resources.
Fixes: f83fca0707c6 ("usb: dwc3: add ST dwc3 glue layer to manage dwc3 HC")
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240814093957.37940-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The probe function never performs any paltform device allocation, thus
error path "undo_platform_dev_alloc" is entirely bogus. It drops the
reference count from the platform device being probed. If error path is
triggered, this will lead to unbalanced device reference counts and
premature release of device resources, thus possible use-after-free when
releasing remaining devm-managed resources.
Fixes: f83fca0707c6 ("usb: dwc3: add ST dwc3 glue layer to manage dwc3 HC")
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20240814093957.37940-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The DWC3_EP_RESOURCE_ALLOCATED flag ensures that the resource of an
endpoint is only assigned once. Unless the endpoint is reset, don't
clear this flag. Otherwise we may set endpoint resource again, which
prevents the driver from initiate transfer after handling a STALL or
endpoint halt to the control endpoint.
Commit f2e0eee47038 ("usb: dwc3: ep0: Don't reset resource alloc flag")
was fixing the initial issue, but did this only for physical ep1. Since
the function dwc3_ep0_stall_and_restart is resetting the flags for both
physical endpoints, this also has to be done for ep0.
Cc: stable@vger.kernel.org
Fixes: b311048c174d ("usb: dwc3: gadget: Rewrite endpoint allocation flow")
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20240814-dwc3hwep0reset-v2-1-29e1d7d923ea@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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remove_power_attributes()
Device attribute group @usb3_hardware_lpm_attr_group is merged by
add_power_attributes(), but it is not unmerged explicitly, fixed by
unmerging it in remove_power_attributes().
Fixes: 655fe4effe0f ("usbcore: add sysfs support to xHCI usb3 hardware LPM")
Cc: stable@vger.kernel.org
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20240820-sysfs_fix-v2-1-a9441487077e@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some FSA4480-compatible chips like the OCP96011 used on Fairphone 5
return 0x00 from the CHIP_ID register. Handle that gracefully and only
fail probe when the I2C read has failed.
With this the dev_dbg will print 0 but otherwise continue working.
[ 0.251581] fsa4480 1-0042: Found FSA4480 v0.0 (Vendor ID = 0)
Cc: stable@vger.kernel.org
Fixes: e885f5f1f2b4 ("usb: typec: fsa4480: Check if the chip is really there")
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240818-fsa4480-chipid-fix-v1-1-17c239435cf7@fairphone.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Depopulate device in probe error paths to fix leak of children
resources.
Fixes: 53b5ff83d893 ("usb: dwc3: xilinx: improve error handling for PM APIs")
Cc: stable@vger.kernel.org
Reviewed-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240816075409.23080-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Depopulate device in probe error paths to fix leak of children
resources.
Fixes: ee249b455494 ("usb: dwc3: omap: remove IRQ_NOAUTOEN used with shared irq")
Cc: stable@vger.kernel.org
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Link: https://lore.kernel.org/r/20240816075409.23080-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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An USB hub is not a HCD, but an USB device. Fix the referenced schema
accordingly.
Fixes: bfbf2e4b77e2 ("dt-bindings: usb: Document the Microchip USB2514 hub")
Cc: stable@vger.kernel.org
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20240815113132.372542-1-alexander.stein@ew.tq-group.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Since commit "6acba0345b68 usb:gadget:uvc Do not use worker thread to pump
isoc usb requests", pump work could only be queued in uvc_video_complete()
and uvc_v4l2_qbuf(). If VIDIOC_QBUF is executed before VIDIOC_STREAMON,
we can only depend on uvc_video_complete() to queue pump work. However,
this requires some free requests in req_ready list. If req_ready list is
empty all the time, pump work will never be queued and video datas will
never be pumped to usb controller. Actually, this situation could happen
when run uvc-gadget with static image:
$ ./uvc-gadget -i 1080p.jpg uvc.0
When capture image from this device, the user app will always block there.
The issue is uvc driver has queued video buffer before streamon, but the
req_ready list is empty all the time after streamon. This will queue pump
work in uvcg_video_enable() to fill some request to req_ready list so the
uvc device could work properly.
Fixes: 6acba0345b68 ("usb:gadget:uvc Do not use worker thread to pump isoc usb requests")
Cc: stable@vger.kernel.org
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Link: https://lore.kernel.org/r/20240814112537.2608949-1-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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USB_DEVICE(0x1901, 0x0006) may send data before cdc_acm is ready, which
may be misinterpreted in the default N_TTY line discipline.
Signed-off-by: Ian Ray <ian.ray@gehealthcare.com>
Acked-by: Oliver Neuku <oneukum@suse.com>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20240814072905.2501-1-ian.ray@gehealthcare.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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While supporting GET_REPORT is a mandatory request per the HID
specification the current implementation of the GET_REPORT request responds
to the USB Host with an empty reply of the request length. However, some
USB Hosts will request the contents of feature reports via the GET_REPORT
request. In addition, some proprietary HID 'protocols' will expect
different data, for the same report ID, to be to become available in the
feature report by sending a preceding SET_REPORT to the USB Device that
defines what data is to be presented when that feature report is
subsequently retrieved via GET_REPORT (with a very fast < 5ms turn around
between the SET_REPORT and the GET_REPORT).
There are two other patch sets already submitted for adding GET_REPORT
support. The first [1] allows for pre-priming a list of reports via IOCTLs
which then allows the USB Host to perform the request, with no further
userspace interaction possible during the GET_REPORT request. And another
[2] which allows for a single report to be setup by userspace via IOCTL,
which will be fetched and returned by the kernel for subsequent GET_REPORT
requests by the USB Host, also with no further userspace interaction
possible.
This patch, while loosely based on both the patch sets, differs by allowing
the option for userspace to respond to each GET_REPORT request by setting
up a poll to notify userspace that a new GET_REPORT request has arrived. To
support this, two extra IOCTLs are supplied. The first of which is used to
retrieve the report ID of the GET_REPORT request (in the case of having
non-zero report IDs in the HID descriptor). The second IOCTL allows for
storing report responses in a list for responding to requests.
The report responses are stored in a list (it will be either added if it
does not exist or updated if it exists already). A flag (userspace_req) can
be set to whether subsequent requests notify userspace or not.
Basic operation when a GET_REPORT request arrives from USB Host:
- If the report ID exists in the list and it is set for immediate return
(i.e. userspace_req == false) then response is sent immediately,
userspace is not notified
- The report ID does not exist, or exists but is set to notify userspace
(i.e. userspace_req == true) then notify userspace via poll:
- If userspace responds, and either adds or update the response in
the list and respond to the host with the contents
- If userspace does not respond within the fixed timeout (2500ms)
but the report has been set prevously, then send 'old' report
contents
- If userspace does not respond within the fixed timeout (2500ms)
and the report does not exist in the list then send an empty
report
Note that userspace could 'prime' the report list at any other time.
While this patch allows for flexibility in how the system responds to
requests, and therefore the HID 'protocols' that could be supported, a
drawback is the time it takes to service the requests and therefore the
maximum throughput that would be achievable. The USB HID Specification
v1.11 itself states that GET_REPORT is not intended for periodic data
polling, so this limitation is not severe.
Testing on an iMX8M Nano Ultra Lite with a heavy multi-core CPU loading
showed that userspace can typically respond to the GET_REPORT request
within 1200ms - which is well within the 5000ms most operating systems seem
to allow, and within the 2500ms set by this patch.
[1] https://lore.kernel.org/all/20220805070507.123151-2-sunil@amarulasolutions.com/
[2] https://lore.kernel.org/all/20220726005824.2817646-1-vi@endrift.com/
Signed-off-by: David Sands <david.sands@biamp.com>
Signed-off-by: Chris Wulff <chris.wulff@biamp.com>
Link: https://lore.kernel.org/r/20240817142850.1311460-2-crwulff@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In polling mode, if no IRQ was requested there is no need to free it.
Call devm_free_irq() only if client->irq is set. This fixes the warning
caused by the tps6598x module removal:
WARNING: CPU: 2 PID: 333 at kernel/irq/devres.c:144 devm_free_irq+0x80/0x8c
...
...
Call trace:
devm_free_irq+0x80/0x8c
tps6598x_remove+0x28/0x88 [tps6598x]
i2c_device_remove+0x2c/0x9c
device_remove+0x4c/0x80
device_release_driver_internal+0x1cc/0x228
driver_detach+0x50/0x98
bus_remove_driver+0x6c/0xbc
driver_unregister+0x30/0x60
i2c_del_driver+0x54/0x64
tps6598x_i2c_driver_exit+0x18/0xc3c [tps6598x]
__arm64_sys_delete_module+0x184/0x264
invoke_syscall+0x48/0x110
el0_svc_common.constprop.0+0xc8/0xe8
do_el0_svc+0x20/0x2c
el0_svc+0x28/0x98
el0t_64_sync_handler+0x13c/0x158
el0t_64_sync+0x190/0x194
Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240816124150.608125-1-w.egorov@phytec.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add missed binding doc for layerscape dwc3 usb controller.
Fix below warning:
arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-kbox-a-230-ls.dtb: /soc/usb@3100000:
failed to match any schema with compatible: ['fsl,ls1028a-dwc3', 'snps,dwc3']
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240815152159.4177782-1-Frank.Li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit a170a1e9ccc5 ("usb: phy: remove phy-msm-usb.c") removed the
device driver but left the corresponding documentation, delete it.
Signed-off-by: Masanori Ogino <mogino@acm.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240816090105.13651-2-omasanori@proton.me
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix potential dereferencing of ERR_PTR() in find_format_by_pix()
and uvc_v4l2_enum_format().
Fix the following smatch errors:
drivers/usb/gadget/function/uvc_v4l2.c:124 find_format_by_pix()
error: 'fmtdesc' dereferencing possible ERR_PTR()
drivers/usb/gadget/function/uvc_v4l2.c:392 uvc_v4l2_enum_format()
error: 'fmtdesc' dereferencing possible ERR_PTR()
Also, fix similar issue in uvc_v4l2_try_format() for potential
dereferencing of ERR_PTR().
Signed-off-by: Abhishek Tamboli <abhishektamboli9@gmail.com>
Link: https://lore.kernel.org/r/20240815102202.594812-1-abhishektamboli9@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded
based on the alias from of_device_id table.
Signed-off-by: Liao Chen <liaochen4@huawei.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240814030443.3876203-1-liaochen4@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Modify CONNECTOR_RESET command implementation to accommodate
DATA_RESET reset type as defined in UCSI spec v2.0 and later.
Hard Reset bit field was defined with value 1 in UCSI spec version 1.0.
Starting with spec version 1.1, Hard Reset bit field was removed from the
CONNECTOR_RESET command, until spec 2.0 reintroduced it with value 0, so,
the value to pass in to the command for a Hard Reset is different depending
on the UCSI version supported by the LPM.
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Venkat Jayaraman <venkat.jayaraman@intel.com>
Link: https://lore.kernel.org/r/20240813231828.1192338-1-pooja.katiyar@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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list_entry() will never return a NULL pointer, thus remove the
check.
Signed-off-by: Yuesong Li <liyuesong@vivo.com>
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Link: https://lore.kernel.org/r/20240821085245.25348-1-liyuesong@vivo.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use scoped for_each_available_child_of_node_scoped() when iterating over
device nodes to make code a bit simpler.
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Reviewed-by: Anand Moon <linux.amoon@gmail.com>
Link: https://lore.kernel.org/r/20240821071752.2335406-1-ruanjinjie@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use scoped for_each_available_child_of_node_scoped() when iterating over
device nodes to make code a bit simpler.
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Reviewed-by: Anand Moon <linux.amoon@gmail.com>
Link: https://lore.kernel.org/r/20240821071856.2335529-1-ruanjinjie@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The X1E80100, just like its predecessors, has a Multiport controller.
This time around, 2 HS (eUSB) and 2 SS PHYs are attached.
Document it.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Konrad Dybcio <quic_kdybcio@quicinc.com>
Link: https://lore.kernel.org/r/20240820-topic-h_mp-v2-1-d88518066372@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Patch fixes the incorrect "stream_id" table index instead of
"ep_index" used in cdnsp_get_hw_deq function.
Fixes: 3d82904559f4 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver")
cc: stable@vger.kernel.org
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Reviewed-by: Peter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/PH7PR07MB95381F2182688811D5C711CEDD8D2@PH7PR07MB9538.namprd07.prod.outlook.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This commit addresses an issue where the USB core could access an
invalid event buffer address during runtime suspend, potentially causing
SMMU faults and other memory issues in Exynos platforms. The problem
arises from the following sequence.
1. In dwc3_gadget_suspend, there is a chance of a timeout when
moving the USB core to the halt state after clearing the
run/stop bit by software.
2. In dwc3_core_exit, the event buffer is cleared regardless of
the USB core's status, which may lead to an SMMU faults and
other memory issues. if the USB core tries to access the event
buffer address.
To prevent this hardware quirk on Exynos platforms, this commit ensures
that the event buffer address is not cleared by software when the USB
core is active during runtime suspend by checking its status before
clearing the buffer address.
Cc: stable <stable@kernel.org>
Signed-off-by: Selvarasu Ganesan <selvarasu.g@samsung.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240815064836.1491-1-selvarasu.g@samsung.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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On a system with a GICv3, if a guest hasn't been configured with
GICv3 and that the host is not capable of GICv2 emulation,
a write to any of the ICC_*SGI*_EL1 registers is trapped to EL2.
We therefore try to emulate the SGI access, only to hit a NULL
pointer as no private interrupt is allocated (no GIC, remember?).
The obvious fix is to give the guest what it deserves, in the
shape of a UNDEF exception.
Reported-by: Alexander Potapenko <glider@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240820100349.3544850-2-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
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I haven't had time to maintain the UVC gadget driver for a long while.
Dan Scally confirmed he is also in a similar -ENOTIME situation with no
short term hope of fixing that. Being listed as maintainers doesn't help
progress, so mark the driver as orphan to reflect the current state.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Daniel Scally <dan.scally@ideasonboard.com>
Link: https://lore.kernel.org/r/20240813104447.25821-1-laurent.pinchart@ideasonboard.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The mcp251x_hw_wake() function is called with the mpc_lock mutex held and
disables the interrupt handler so that no interrupts can be processed while
waking the device. If an interrupt has already occurred then waiting for
the interrupt handler to complete will deadlock because it will be trying
to acquire the same mutex.
CPU0 CPU1
---- ----
mcp251x_open()
mutex_lock(&priv->mcp_lock)
request_threaded_irq()
<interrupt>
mcp251x_can_ist()
mutex_lock(&priv->mcp_lock)
mcp251x_hw_wake()
disable_irq() <-- deadlock
Use disable_irq_nosync() instead because the interrupt handler does
everything while holding the mutex so it doesn't matter if it's still
running.
Fixes: 8ce8c0abcba3 ("can: mcp251x: only reset hardware as required")
Signed-off-by: Simon Arlott <simon@octiron.net>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/all/4fc08687-1d80-43fe-9f0d-8ef8475e75f6@0882a8b5-c6c3-11e9-b005-00805fc181fe.uuid.home.arpa
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Zenghui reports that VMs backed by hugetlb pages are no longer booting
after commit fd276e71d1e7 ("KVM: arm64: nv: Handle shadow stage 2 page
faults").
Support for shadow stage-2 MMUs introduced the concept of a fault IPA
and canonical IPA to stage-2 fault handling. These are identical in the
non-nested case, as the hardware stage-2 context is always that of the
canonical IPA space.
Both addresses need to be hugepage-aligned when preparing to install a
hugepage mapping to ensure that KVM uses the correct GFN->PFN translation
and installs that at the correct IPA for the current stage-2.
And now I'm feeling thirsty after all this talk of IPAs...
Fixes: fd276e71d1e7 ("KVM: arm64: nv: Handle shadow stage 2 page faults")
Reported-by: Zenghui Yu <yuzenghui@huawei.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240822071710.2291690-1-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
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Dell platform, plug headphone or headset, it had a chance to get no
sound from headphone.
Replace depop procedure will solve this issue.
Signed-off-by: Kailang Yang <kailang@realtek.com>
Link: https://lore.kernel.org/bb8e2de30d294dc287944efa0667685a@realtek.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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bch2_btree_key_cache_drop() evicts the key cache entry - it's used when
we're doing an update that bypasses the key cache, because for cache
coherency reasons a key can't be in the key cache unless it also exists
in the btree - i.e. creates have to bypass the cache.
After evicting, the path no longer points to a key cache key, and
relock() will always fail if should_be_locked is true.
Prep for improving path->should_be_locked assertions
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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ret was assigned twice in check_dirent_to_subvol(). Reported by cocci.
Signed-off-by: Yuesong Li <liyuesong@vivo.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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bch_dev->io_ref does not protect against the filesystem going away;
bch_fs->writes does.
Thus the filesystem write ref needs to be the last ref we release.
Reported-by: syzbot+9e0404b505e604f67e41@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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we allow new fields to be added to existing key types, and new versions
should treat them as being zeroed; this was not handled in
alloc_v4_validate.
Reported-by: syzbot+3b2968fa4953885dd66a@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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j->last_empty_seq needs to match j->seq when the journal is empty
Reported-by: syzbot+4093905737cf289b6b38@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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seeing an odd bug where we fail to correctly return an error from
.get_tree():
https://syzkaller.appspot.com/bug?extid=c0360e8367d6d8d04a66
we need to be able to distinguish between accidently returning a
positive error (as implied by the log) and no error.
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Reported-by: syzbot+47ecc948aadfb2ab3efc@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Journal replay, in the slowpath where we insert keys in journal order,
was inserting keys in the wrong order; keys from early repair come last.
Reported-by: syzbot+2c4fcb257ce2b6a29d0e@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Fixes: 7a254053a590 ("bcachefs: support FS_IOC_SETFSLABEL")
Reported-by: syzbot+7e9efdfec27fbde0141d@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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We weren't always so strict about trans->locked state - but now we are,
and new assertions are shaking some bugs out.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Fix another SRCU splat - this one pretty harmless.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Fixes: 7423330e30ab ("bcachefs: prt_printf() now respects \r\n\t")
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Comparing the wrong bpos - this was missed because normally
bucket_gens_init() runs on brand new filesystems, but this bug caused it
to overwrite bucket_gens keys with 0s when upgrading ancient
filesystems.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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On testing on an old mangled filesystem, we missed a case.
Fixes: bd864bc2d907 ("bcachefs: Fix bch2_trigger_alloc when upgrading from old versions")
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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discovered by new trans->locked asserts
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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bcachefs_effective.* xattrs show the options inherited from parent
directories (as well as explicitly set); this namespace is not for
setting bcachefs options.
Change the .set() handler to a noop so that if e.g. rsync is copying
xattrs it'll do the right thing, and only copy xattrs in the bcachefs.*
namespace. We don't want to return an error, because that will cause
rsync to bail out or get spammy.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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data_update_init() does a bunch of complicated stuff to decide how many
replicas to add, since we only want to increase an extent's durability
on an explicit rereplicate, but extent pointers may be on devices with
different durability settings.
There was a corner case when evacuating a device that had been set to
durability=0 after data had been written to it, and extents on that
device had already been rereplicated - then evacuate only needs to drop
pointers on that device, not move them.
So the assert for !m->op.nr_replicas was spurious; this was a perfectly
legitimate case that needed to be handled.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Factor out some helpers - this function has gotten much too big.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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