| Age | Commit message (Collapse) | Author |
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enabling SVA feature
On a Sapphire Rapids system if boot without intel_iommu=on, the IDXD
driver will crash during probe in iommu_sva_bind_device().
[ 21.423729] BUG: kernel NULL pointer dereference, address: 0000000000000038
[ 21.445108] #PF: supervisor read access in kernel mode
[ 21.450912] #PF: error_code(0x0000) - not-present page
[ 21.456706] PGD 0
[ 21.459047] Oops: 0000 [#1] PREEMPT SMP NOPTI
[ 21.464004] CPU: 0 PID: 1420 Comm: kworker/0:3 Not tainted 5.19.0-0.rc3.27.eln120.x86_64 #1
[ 21.464011] Hardware name: Intel Corporation EAGLESTREAM/EAGLESTREAM, BIOS EGSDCRB1.SYS.0067.D12.2110190954 10/19/2021
[ 21.464015] Workqueue: events work_for_cpu_fn
[ 21.464030] RIP: 0010:iommu_sva_bind_device+0x1d/0xe0
[ 21.464046] Code: c3 cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 57 41 56 49 89 d6 41 55 41 54 55 53 48 83 ec 08 48 8b 87 d8 02 00 00 <48> 8b 40 38 48 8b 50 10 48 83 7a 70 00 48 89 14 24 0f 84 91 00 00
[ 21.464050] RSP: 0018:ff7245d9096b7db8 EFLAGS: 00010296
[ 21.464054] RAX: 0000000000000000 RBX: ff1eadeec8a51000 RCX: 0000000000000000
[ 21.464058] RDX: ff7245d9096b7e24 RSI: 0000000000000000 RDI: ff1eadeec8a510d0
[ 21.464060] RBP: ff1eadeec8a51000 R08: ffffffffb1a12300 R09: ff1eadffbfce25b4
[ 21.464062] R10: ffffffffffffffff R11: 0000000000000038 R12: ffffffffc09f8000
[ 21.464065] R13: ff1eadeec8a510d0 R14: ff7245d9096b7e24 R15: ff1eaddf54429000
[ 21.464067] FS: 0000000000000000(0000) GS:ff1eadee7f600000(0000) knlGS:0000000000000000
[ 21.464070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 21.464072] CR2: 0000000000000038 CR3: 00000008c0e10006 CR4: 0000000000771ef0
[ 21.464074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 21.464076] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400
[ 21.464078] PKRU: 55555554
[ 21.464079] Call Trace:
[ 21.464083] <TASK>
[ 21.464092] idxd_pci_probe+0x259/0x1070 [idxd]
[ 21.464121] local_pci_probe+0x3e/0x80
[ 21.464132] work_for_cpu_fn+0x13/0x20
[ 21.464136] process_one_work+0x1c4/0x380
[ 21.464143] worker_thread+0x1ab/0x380
[ 21.464147] ? _raw_spin_lock_irqsave+0x23/0x50
[ 21.464158] ? process_one_work+0x380/0x380
[ 21.464161] kthread+0xe6/0x110
[ 21.464168] ? kthread_complete_and_exit+0x20/0x20
[ 21.464172] ret_from_fork+0x1f/0x30
iommu_sva_bind_device() requires SVA has been enabled successfully on
the IDXD device before it's called. Otherwise, iommu_sva_bind_device()
will access a NULL pointer. If Intel IOMMU is disabled, SVA cannot be
enabled and thus idxd_enable_system_pasid() and iommu_sva_bind_device()
should not be called.
Fixes: 42a1b73852c4 ("dmaengine: idxd: Separate user and kernel pasid enabling")
Cc: Vinod Koul <vkoul@kernel.org>
Cc: linux-kernel@vger.kernel.org
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Link: https://lore.kernel.org/dmaengine/20220623170232.6whonfjuh3m5vcoy@cantor/
Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
Acked-by: Fenghua Yu <fenghua.yu@intel.com>
Link: https://lore.kernel.org/r/20220626051648.14249-1-jsnitsel@redhat.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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It seems that it is valid to have less than the requested number of
descriptors. But what is not valid and leads to subsequent errors is to
have zero descriptors. In that case, abort the probing.
Fixes: e1f7c9eee707 ("dmaengine: at_xdmac: creation of the atmel eXtended DMA Controller driver")
Signed-off-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20220526135111.1470926-1-michael@walle.cc
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
can 2022-07-04
The 1st patch is by Oliver Hartkopp, targets the BCM CAN protocol and
converts a costly synchronize_rcu() to call_rcu() to fix a performance
regression.
Srinivas Neeli's patch for the xilinx_can driver drops the brp limit
down to 1, as only the pre-production silicon have an issue with a brp
of 1.
The next patch is by Duy Nguyen and fixes the data transmission on
R-Car V3U SoCs in the rcar_canfd driver.
Rhett Aultman's patch fixes a DMA memory leak in the gs_usb driver.
Liang He's patch removes an extra of_node_get() in the grcan driver.
The next 2 patches are by me, target the m_can driver and fix the
timestamp handling used for peripheral devices like the tcan4x5x.
Jimmy Assarsson contributes 3 patches for the kvaser_usb driver and
fixes CAN clock and bit timing related issues.
The remaining 5 patches target the mcp251xfd driver. Thomas Kopp
contributes 2 patches to improve the workaround for broken CRC when
reading the TBC register. 3 patches by me add a missing
hrtimer_cancel() during the ndo_stop() callback, and fix the reading
of the Device ID register.
* tag 'linux-can-fixes-for-5.19-20220704' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: mcp251xfd: mcp251xfd_register_get_dev_id(): fix endianness conversion
can: mcp251xfd: mcp251xfd_register_get_dev_id(): use correct length to read dev_id
can: mcp251xfd: mcp251xfd_stop(): add missing hrtimer_cancel()
can: mcp251xfd: mcp251xfd_regmap_crc_read(): update workaround broken CRC on TBC register
can: mcp251xfd: mcp251xfd_regmap_crc_read(): improve workaround handling for mcp2517fd
can: kvaser_usb: kvaser_usb_leaf: fix bittiming limits
can: kvaser_usb: kvaser_usb_leaf: fix CAN clock frequency regression
can: kvaser_usb: replace run-time checks with struct kvaser_usb_driver_info
can: m_can: m_can_{read_fifo,echo_tx_event}(): shift timestamp to full 32 bits
can: m_can: m_can_chip_config(): actually enable internal timestamping
can: grcan: grcan_probe(): remove extra of_node_get()
can: gs_usb: gs_usb_open/close(): fix memory leak
can: rcar_canfd: Fix data transmission failed on R-Car V3U
Revert "can: xilinx_can: Limit CANFD brp to 2"
can: bcm: use call_rcu() instead of costly synchronize_rcu()
====================
Link: https://lore.kernel.org/r/20220704122613.1551119-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Another set of minor patches for Arm DTS files and soc specific
drivers:
- More reference counting bug fixes for DT nodes, and other trivial
code fixes
- Multiple code fixes for the Arm SCMI firmware driver to improve
compatibility with firmware implementations.
- A patch series for at91 to address power management issues from
using the wrong DT compatible properties.
- A series of patches to fix pad settings for NXP imx8mp to leave the
configuration untouched from the boot loader
- Additional DT fixes for qualcomm and NXP platforms
- A boot time fix for stm32mp15 DT
- Konrad Dybcio becomes an additional reviewer for the Qualcomm
platforms"
* tag 'soc-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (42 commits)
soc: qcom: smem: use correct format characters
ARM: dts: stm32: add missing usbh clock and fix clk order on stm32mp15
ARM: dts: stm32: delete fixed clock node on STM32MP15-SCMI
ARM: dts: stm32: DSI should use LSE SCMI clock on DK1/ED1 STM32 board
ARM: dts: stm32: use the correct clock source for CEC on stm32mp151
ARM: dts: stm32: fix pwr regulators references to use scmi
soc: ixp4xx/npe: Fix unused match warning
ARM: at91: pm: Mark at91_pm_secure_init as __init
ARM: at91: fix soc detection for SAM9X60 SiPs
ARM: dts: at91: sama5d2_icp: fix eeprom compatibles
ARM: dts: at91: sam9x60ek: fix eeprom compatible and size
ARM: at91: pm: use proper compatibles for sama7g5's rtc and rtt
ARM: at91: pm: use proper compatibles for sam9x60's rtc and rtt
ARM: at91: pm: use proper compatible for sama5d2's rtc
arm64: dts: qcom: msm8992-*: Fix vdd_lvs1_2-supply typo
firmware: arm_scmi: Remove usage of the deprecated ida_simple_xxx API
firmware: arm_scmi: Fix response size warning for OPTEE transport
arm64: dts: imx8mp-icore-mx8mp-edim2.2: correct pad settings
arm64: dts: imx8mp-phyboard-pollux-rdk: correct i2c2 & mmc settings
arm64: dts: imx8mp-phyboard-pollux-rdk: correct eqos pad settings
...
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When compiling with -Wformat, clang emits the following warnings:
drivers/soc/qcom/smem.c:847:41: warning: format specifies type 'unsigned
short' but the argument has type 'unsigned int' [-Wformat]
dev_err(smem->dev, "bad host %hu\n", remote_host);
~~~ ^~~~~~~~~~~
%u
./include/linux/dev_printk.h:144:65: note: expanded from macro 'dev_err'
dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
./include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
_p_func(dev, fmt, ##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
drivers/soc/qcom/smem.c:852:47: warning: format specifies type 'unsigned
short' but the argument has type 'unsigned int' [-Wformat]
dev_err(smem->dev, "duplicate host %hu\n", remote_host);
~~~ ^~~~~~~~~~~
%u
./include/linux/dev_printk.h:144:65: note: expanded from macro 'dev_err'
dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
./include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
_p_func(dev, fmt, ##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
The types of these arguments are unconditionally defined, so this patch
updates the format character to the correct one and change type of
remote_host to "u16" to match with other types.
Signed-off-by: Bill Wendling <morbo@google.com>
Tested-by: Justin Stitt <jstitt007@gmail.com>
Reviewed-by: Justin Stitt <jstitt007@gmail.com>
Link: https://github.com/ClangBuiltLinux/linux/issues/378
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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In mcp251xfd_register_get_dev_id() the device ID register is read with
handcrafted SPI transfers. As all registers, this register is in
little endian. Further it is not naturally aligned in struct
mcp251xfd_map_buf_nocrc::data. However after the transfer the register
content is converted from big endian to CPU endianness not taking care
of being unaligned.
Fix the conversion by converting from little endian to CPU endianness
taking the unaligned source into account.
Side note: So far the register content is 0x0 on all mcp251xfd
compatible chips, and is only used for an informative printk.
Link: https://lore.kernel.org/all/20220627092859.809042-1-mkl@pengutronix.de
Fixes: 55e5b97f003e ("can: mcp25xxfd: add driver for Microchip MCP25xxFD SPI CAN")
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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dev_id
The device ID register is 32 bits wide. The driver uses incorrectly
the size of a pointer to a u32 to calculate the length of the SPI
transfer. This results in a read of 2 registers on 64 bit platforms.
This is no problem on the Linux side, as the RX buffer of the SPI
transfer is large enough. In the mpc251xfd chip this results in the
read of an undocumented register. So far no problems were observed.
Fix the length of the SPI transfer to read the device ID register
only.
Link: https://lore.kernel.org/all/20220616094914.244440-1-mkl@pengutronix.de
Fixes: 55e5b97f003e ("can: mcp25xxfd: add driver for Microchip MCP25xxFD SPI CAN")
Reported-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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In commit 169d00a25658 ("can: mcp251xfd: add TX IRQ coalescing
support") software based TX coalescing was added to the driver. The
key idea is to keep the TX complete IRQ disabled for some time after
processing it and re-enable later by a hrtimer. When bringing the
interface down, this timer has to be stopped.
Add the missing hrtimer_cancel() of the tx_irq_time hrtimer to
mcp251xfd_stop().
Link: https://lore.kernel.org/all/20220620143942.891811-1-mkl@pengutronix.de
Fixes: 169d00a25658 ("can: mcp251xfd: add TX IRQ coalescing support")
Cc: stable@vger.kernel.org # v5.18
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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TBC register
The mcp251xfd compatible chips have an erratum ([1], [2]), where the
received CRC doesn't match the calculated CRC. In commit
c7eb923c3caf ("can: mcp251xfd: mcp251xfd_regmap_crc_read(): work
around broken CRC on TBC register") the following workaround was
implementierend.
- If a CRC read error on the TBC register is detected and the first
byte is 0x00 or 0x80, the most significant bit of the first byte is
flipped and the CRC is calculated again.
- If the CRC now matches, the _original_ data is passed to the reader.
For now we assume transferred data was OK.
New investigations and simulations indicate that the CRC send by the
device is calculated on correct data, and the data is incorrectly
received by the SPI host controller.
Use flipped instead of original data and update workaround description
in mcp251xfd_regmap_crc_read().
[1] mcp2517fd: DS80000792C: "Incorrect CRC for certain READ_CRC commands"
[2] mcp2518fd: DS80000789C: "Incorrect CRC for certain READ_CRC commands"
Link: https://lore.kernel.org/all/DM4PR11MB53901D49578FE265B239E55AFB7C9@DM4PR11MB5390.namprd11.prod.outlook.com
Fixes: c7eb923c3caf ("can: mcp251xfd: mcp251xfd_regmap_crc_read(): work around broken CRC on TBC register")
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Kopp <thomas.kopp@microchip.com>
[mkl: split into 2 patches, update patch description and documentation]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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mcp2517fd
The mcp251xfd compatible chips have an erratum ([1], [2]), where the
received CRC doesn't match the calculated CRC. In commit
c7eb923c3caf ("can: mcp251xfd: mcp251xfd_regmap_crc_read(): work
around broken CRC on TBC register") the following workaround was
implementierend.
- If a CRC read error on the TBC register is detected and the first
byte is 0x00 or 0x80, the most significant bit of the first byte is
flipped and the CRC is calculated again.
- If the CRC now matches, the _original_ data is passed to the reader.
For now we assume transferred data was OK.
Measurements on the mcp2517fd show that the workaround is applicable
not only of the lowest byte is 0x00 or 0x80, but also if 3 least
significant bits are set.
Update check on 1st data byte and workaround description accordingly.
[1] mcp2517fd: DS80000792C: "Incorrect CRC for certain READ_CRC commands"
[2] mcp2518fd: DS80000789C: "Incorrect CRC for certain READ_CRC commands"
Link: https://lore.kernel.org/all/DM4PR11MB53901D49578FE265B239E55AFB7C9@DM4PR11MB5390.namprd11.prod.outlook.com
Fixes: c7eb923c3caf ("can: mcp251xfd: mcp251xfd_regmap_crc_read(): work around broken CRC on TBC register")
Cc: stable@vger.kernel.org
Reported-by: Pavel Modilaynen <pavel.modilaynen@volvocars.com>
Signed-off-by: Thomas Kopp <thomas.kopp@microchip.com>
[mkl: split into 2 patches, update patch description and documentation]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Use correct bittiming limits depending on device. For devices based on
USBcanII, Leaf M32C or Leaf i.MX28.
Fixes: 080f40a6fa28 ("can: kvaser_usb: Add support for Kvaser CAN/USB devices")
Fixes: b4f20130af23 ("can: kvaser_usb: add support for Kvaser Leaf v2 and usb mini PCIe")
Fixes: f5d4abea3ce0 ("can: kvaser_usb: Add support for the USBcan-II family")
Link: https://lore.kernel.org/all/20220603083820.800246-4-extja@kvaser.com
Cc: stable@vger.kernel.org
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
[mkl: remove stray netlink.h include]
[mkl: keep struct can_bittiming_const kvaser_usb_flexc_bittiming_const in kvaser_usb_hydra.c]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The firmware of M32C based Leaf devices expects bittiming parameters
calculated for 16MHz clock. Since we use the actual clock frequency of
the device, the device may end up with wrong bittiming parameters,
depending on user requested parameters.
This regression affects M32C based Leaf devices with non-16MHz clock.
Fixes: fb12797ab1fe ("can: kvaser_usb: get CAN clock frequency from device")
Link: https://lore.kernel.org/all/20220603083820.800246-3-extja@kvaser.com
Cc: stable@vger.kernel.org
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Unify and move compile-time known information into new struct
kvaser_usb_driver_info, in favor of run-time checks.
All Kvaser USBcanII supports listen-only mode and error counter
reporting.
Link: https://lore.kernel.org/all/20220603083820.800246-2-extja@kvaser.com
Suggested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: stable@vger.kernel.org
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
[mkl: move struct kvaser_usb_driver_info into kvaser_usb_core.c]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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During a reset, there may have been transmits in flight that are no
longer valid and cannot be fulfilled. Resetting and clearing the
queues is insufficient; each skb also needs to be explicitly freed
so that upper levels are not left waiting for confirmation of a
transmit that will never happen. If this happens frequently enough,
the apparent backlog will cause TCP to begin "congestion control"
unnecessarily, culminating in permanently decreased throughput.
Fixes: d7c0ef36bde03 ("ibmvnic: Free and re-allocate scrqs when tx/rx scrqs change")
Tested-by: Nick Child <nnac123@linux.ibm.com>
Reviewed-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Rick Lindsley <ricklind@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In commit 1be37d3b0414 ("can: m_can: fix periph RX path: use
rx-offload to ensure skbs are sent from softirq context") the RX path
for peripheral devices was switched to RX-offload.
Received CAN frames are pushed to RX-offload together with a
timestamp. RX-offload is designed to handle overflows of the timestamp
correctly, if 32 bit timestamps are provided.
The timestamps of m_can core are only 16 bits wide. So this patch
shifts them to full 32 bit before passing them to RX-offload.
Link: https://lore.kernel.org/all/20220612211410.4081390-1-mkl@pengutronix.de
Fixes: 1be37d3b0414 ("can: m_can: fix periph RX path: use rx-offload to ensure skbs are sent from softirq context")
Cc: <stable@vger.kernel.org> # 5.13
Cc: Torin Cooper-Bennun <torin@maxiluxsystems.com>
Reviewed-by: Chandrasekar Ramakrishnan <rcsekar@samsung.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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In commit df06fd678260 ("can: m_can: m_can_chip_config(): enable and
configure internal timestamps") the timestamping in the m_can core
should be enabled. In peripheral mode, the RX'ed CAN frames, TX
compete frames and error events are sorted by the timestamp.
The above mentioned commit however forgot to enable the timestamping.
Add the missing bits to enable the timestamp counter to the write of
the Timestamp Counter Configuration register.
Link: https://lore.kernel.org/all/20220612212708.4081756-1-mkl@pengutronix.de
Fixes: df06fd678260 ("can: m_can: m_can_chip_config(): enable and configure internal timestamps")
Cc: <stable@vger.kernel.org> # 5.13
Cc: Torin Cooper-Bennun <torin@maxiluxsystems.com>
Reviewed-by: Chandrasekar Ramakrishnan <rcsekar@samsung.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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In grcan_probe(), of_find_node_by_path() has already increased the
refcount. There is no need to call of_node_get() again, so remove it.
Link: https://lore.kernel.org/all/20220619070257.4067022-1-windhl@126.com
Fixes: 1e93ed26acf0 ("can: grcan: grcan_probe(): fix broken system id check for errata workaround needs")
Cc: stable@vger.kernel.org # v5.18
Cc: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The gs_usb driver appears to suffer from a malady common to many USB
CAN adapter drivers in that it performs usb_alloc_coherent() to
allocate a number of USB request blocks (URBs) for RX, and then later
relies on usb_kill_anchored_urbs() to free them, but this doesn't
actually free them. As a result, this may be leaking DMA memory that's
been used by the driver.
This commit is an adaptation of the techniques found in the esd_usb2
driver where a similar design pattern led to a memory leak. It
explicitly frees the RX URBs and their DMA memory via a call to
usb_free_coherent(). Since the RX URBs were allocated in the
gs_can_open(), we remove them in gs_can_close() rather than in the
disconnect function as was done in esd_usb2.
For more information, see the 928150fad41b ("can: esd_usb2: fix memory
leak").
Link: https://lore.kernel.org/all/alpine.DEB.2.22.394.2206031547001.1630869@thelappy
Fixes: d08e973a77d1 ("can: gs_usb: Added support for the GS_USB CAN devices")
Cc: stable@vger.kernel.org
Signed-off-by: Rhett Aultman <rhett.aultman@samsara.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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On R-Car V3U, this driver should use suitable register offset instead of
other SoCs' one. Otherwise, data transmission failed on R-Car V3U.
Fixes: 45721c406dcf ("can: rcar_canfd: Add support for r8a779a0 SoC")
Link: https://lore.kernel.org/all/20220704074611.957191-1-yoshihiro.shimoda.uh@renesas.com
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Duy Nguyen <duy.nguyen.rh@renesas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This reverts commit 05ca14fdb6fe65614e0652d03e44b02748d25af7.
On early silicon engineering samples observed bit shrinking issue when
we use brp as 1. Hence updated brp_min as 2. As in production silicon
this issue is fixed, so reverting the patch.
Link: https://lore.kernel.org/all/20220609082433.1191060-2-srinivas.neeli@xilinx.com
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Set return value in rsp_buf alloc error path before going to
error handling.
drivers/misc/cardreader/rtsx_usb.c:639:6: warning: variable 'ret' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
if (!ucr->rsp_buf)
^~~~~~~~~~~~~
drivers/misc/cardreader/rtsx_usb.c:678:9: note: uninitialized use occurs here
return ret;
^~~
drivers/misc/cardreader/rtsx_usb.c:639:2: note: remove the 'if' if its condition is always false
if (!ucr->rsp_buf)
^~~~~~~~~~~~~~~~~~
drivers/misc/cardreader/rtsx_usb.c:622:9: note: initialize the variable 'ret' to silence this warning
int ret;
^
= 0
Fixes: 3776c7855985 ("misc: rtsx_usb: use separate command and response buffers")
Reported-by: kernel test robot <lkp@intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20220701165352.15687-1-skhan@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fix from Vishal Verma:
- Fix a bug in the libnvdimm 'BTT' (Block Translation Table) driver
where accounting for poison blocks to be cleared was off by one,
causing a failure to clear the the last badblock in an nvdimm region.
* tag 'libnvdimm-fixes-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nvdimm: Fix badblocks clear off-by-one error
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git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
Arm SCMI firmware driver fixes for v5.19
Few more fixes to address:
1. Issue reported on Juno with HDLCD clock which turned out to be yet
another firmware issue. The firmware is not conformant to the spec and
we now have to workaround as this may be copied to other platforms as
well. The spec expects to return size of 3 for a range clock rate
description while the firmware returns 1. We have other ways to validate
all the 3 entries the driver reads are polpulated and we use the same
to workaround this firmware bug.
2. Optee transport not setting the correct reponse length which is similar
to the one reported earlier on Rockchip platform.
3. Drop the usage of the deprecated ida_simple_{get,remove} and migrate to the
ida_{alloc,free}
* tag 'scmi-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_scmi: Remove usage of the deprecated ida_simple_xxx API
firmware: arm_scmi: Fix response size warning for OPTEE transport
firmware: arm_scmi: Relax CLOCK_DESCRIBE_RATES out-of-spec checks
Link: https://lore.kernel.org/r/20220628133315.699803-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fix from Rafael Wysocki:
"Add a new CPU ID to the list of supported processors in the
intel_tcc_cooling driver (Sumeet Pawnikar)"
* tag 'thermal-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: intel_tcc_cooling: Add TCC cooling support for RaptorLake
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix some issues in cpufreq drivers and some issues in devfreq:
- Fix error code path issues related PROBE_DEFER handling in devfreq
(Christian Marangi)
- Revert an editing accident in SPDX-License line in the devfreq
passive governor (Lukas Bulwahn)
- Fix refcount leak in of_get_devfreq_events() in the exynos-ppmu
devfreq driver (Miaoqian Lin)
- Use HZ_PER_KHZ macro in the passive devfreq governor (Yicong Yang)
- Fix missing of_node_put for qoriq and pmac32 driver (Liang He)
- Fix issues around throttle interrupt for qcom driver (Stephen Boyd)
- Add MT8186 to cpufreq-dt-platdev blocklist (AngeloGioacchino Del
Regno)
- Make amd-pstate enable CPPC on resume from S3 (Jinzhou Su)"
* tag 'pm-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / devfreq: passive: revert an editing accident in SPDX-License line
PM / devfreq: Fix kernel warning with cpufreq passive register fail
PM / devfreq: Rework freq_table to be local to devfreq struct
PM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events
PM / devfreq: passive: Use HZ_PER_KHZ macro in units.h
PM / devfreq: Fix cpufreq passive unregister erroring on PROBE_DEFER
PM / devfreq: Mute warning on governor PROBE_DEFER
PM / devfreq: Fix kernel panic with cpu based scaling to passive gov
cpufreq: Add MT8186 to cpufreq-dt-platdev blocklist
cpufreq: pmac32-cpufreq: Fix refcount leak bug
cpufreq: qcom-hw: Don't do lmh things without a throttle interrupt
drivers: cpufreq: Add missing of_node_put() in qoriq-cpufreq.c
cpufreq: amd-pstate: Add resume and suspend callbacks
|
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Merge cpufreq fixes for 5.19-rc5, including ARM cpufreq fixes and the
following one:
- Make amd-pstate enable CPPC on resume from S3 (Jinzhou Su).
* pm-cpufreq:
cpufreq: Add MT8186 to cpufreq-dt-platdev blocklist
cpufreq: pmac32-cpufreq: Fix refcount leak bug
cpufreq: qcom-hw: Don't do lmh things without a throttle interrupt
drivers: cpufreq: Add missing of_node_put() in qoriq-cpufreq.c
cpufreq: amd-pstate: Add resume and suspend callbacks
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Fix error handling in ibmaem driver initialization
- Fix bad data reported by occ driver after setting power cap
- Fix typos in pmbus/ucd9200 driver comments
* tag 'hwmon-for-v5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (ibmaem) don't call platform_device_del() if platform_device_add() fails
hwmon: (pmbus/ucd9200) fix typos in comments
hwmon: (occ) Prevent power cap command overwriting poll response
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|
Because pm_runtime_get_suppliers() bumps up the rpm_active counter
of each device link to a supplier of the given device in addition
to bumping up the supplier's PM-runtime usage counter, a runtime
suspend of the consumer device may case the latter to go down to 0
when pm_runtime_put_suppliers() is running on a remote CPU. If that
happens after pm_runtime_put_suppliers() has released power.lock for
the consumer device, and a runtime resume of that device takes place
immediately after it, before pm_runtime_put() is called for the
supplier, that pm_runtime_put() call may cause the supplier to be
suspended even though the consumer is active.
To prevent that from happening, modify pm_runtime_get_suppliers() to
call pm_runtime_get_sync() for the given device's suppliers without
touching the rpm_active counters of the involved device links
Accordingly, modify pm_runtime_put_suppliers() to call pm_runtime_put()
for the given device's suppliers without looking at the rpm_active
counters of the device links at hand. [This is analogous to what
happened before commit 4c06c4e6cf63 ("driver core: Fix possible
supplier PM-usage counter imbalance").]
Since pm_runtime_get_suppliers() sets supplier_preactivated for each
device link where the supplier's PM-runtime usage counter has been
incremented and pm_runtime_put_suppliers() calls pm_runtime_put() for
the suppliers whose device links have supplier_preactivated set, the
PM-runtime usage counter is balanced for each supplier and this is
independent of the runtime suspend and resume of the consumer device.
However, in case a device link with DL_FLAG_PM_RUNTIME set is dropped
during the consumer device probe, so pm_runtime_get_suppliers() bumps
up the supplier's PM-runtime usage counter, but it cannot be dropped by
pm_runtime_put_suppliers(), make device_link_release_fn() take care of
that.
Fixes: 4c06c4e6cf63 ("driver core: Fix possible supplier PM-usage counter imbalance")
Reported-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Cc: 5.1+ <stable@vger.kernel.org> # 5.1+
|
|
Instead of passing an extra bool argument to pm_runtime_release_supplier(),
make its callers take care of triggering a runtime-suspend of the
supplier device as needed.
No expected functional impact.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: 5.1+ <stable@vger.kernel.org> # 5.1+
|
|
If platform_device_add() fails, it no need to call platform_device_del(), split
platform_device_unregister() into platform_device_del/put(), so platform_device_put()
can be called separately.
Fixes: 8808a793f052 ("ibmaem: new driver for power/energy/temp meters in IBM System X hardware")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220701074153.4021556-1-yangyingliang@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:
- Fix purgatory build process so bin2c tool does not get built
unnecessarily and the Makefile is more consistent with other
architectures.
- Return earlier simple design of arch_get_random_seed_long|int() and
arch_get_random_long|int() callbacks as result of changes in generic
RNG code.
- Fix minor comment typos and spelling mistakes.
* tag 's390-5.19-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/qdio: Fix spelling mistake
s390/sclp: Fix typo in comments
s390/archrandom: simplify back to earlier design and initialize earlier
s390/purgatory: remove duplicated build rule of kexec-purgatory.o
s390/purgatory: hard-code obj-y in Makefile
s390: remove unneeded 'select BUILD_BIN2C'
|
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
"Three fixes for invalid memory accesses discovered by using KASAN
while running the lvm2 testsuite's dm-raid tests. Includes changes to
MD's raid5.c given the dependency dm-raid has on the MD code"
* tag 'for-5.19/dm-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm raid: fix KASAN warning in raid5_add_disks
dm raid: fix KASAN warning in raid5_remove_disk
dm raid: fix accesses beyond end of raid member array
|
|
Pull block fixes from Jens Axboe:
- Fix for batch getting of tags in sbitmap (wuchi)
- NVMe pull request via Christoph:
- More quirks (Lamarque Vieira Souza, Pablo Greco)
- Fix a fabrics disconnect regression (Ruozhu Li)
- Fix a nvmet-tcp data_digest calculation regression (Sagi
Grimberg)
- Fix nvme-tcp send failure handling (Sagi Grimberg)
- Fix a regression with nvmet-loop and passthrough controllers
(Alan Adamson)
* tag 'block-5.19-2022-07-01' of git://git.kernel.dk/linux-block:
nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA IM2P33F8ABR1
nvmet: add a clear_ids attribute for passthru targets
nvme: fix regression when disconnect a recovering ctrl
nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA XPG SX6000LNP (AKA SPECTRIX S40G)
nvme-tcp: always fail a request when sending it failed
nvmet-tcp: fix regression in data_digest calculation
lib/sbitmap: Fix invalid loop in __sbitmap_queue_get_batch()
|
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"One simple driver fix for a dma overrun"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: hisi_sas: Limit max hw sectors for v3 HW
|
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ATA fix from Damien Le Moal:
- Fix a compilation warning with some versions of gcc/sparse when
compiling the pata_cs5535 driver, from John.
* tag 'ata-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: pata_cs5535: Fix W=1 warnings
|
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"Two small fixes
- Initialize a spinlock in the stm32 reset code
- Add dt bindings to the clk maintainer filepattern"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
MAINTAINERS: add include/dt-bindings/clock to COMMON CLK FRAMEWORK
clk: stm32: rcc_reset: Fix missing spin_lock_init()
|
|
An interrupt for a channel might be pending even after struct
dma_device::device_terminate_all has been called. In that case the
recently introduced warning message "restart cyclic channel..." triggers
and the channel will be restarted. This is not desired as the channel
has just been stopped. Only restart the channel when we still have a
descriptor set for it (which will be set to NULL in
sdma_terminate_all()).
Fixes: 5b215c28b9235 ("dmaengine: imx-sdma: restart cyclic channel if needed")
Cc: stable@vger.kernel.org
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/r/20220617115042.4004062-1-s.hauer@pengutronix.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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|
The sparse tool complains as follows:
drivers/irqchip/irq-apple-aic.c:231:1: warning:
symbol 'use_fast_ipi' was not declared. Should it be static?
This symbol is not used outside of irq-apple-aic.c, so marks it static.
Fixes: 2cf68211664a ("irqchip/apple-aic: Add Fast IPI support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220618072824.562350-1-weiyongjun1@huawei.com
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Commit b84dc7f0e364 ("irqchip/xilinx: Remove microblaze+zynq
dependency") relaxed the dependencies on the Xilinx interrupt controller
to be OF only, but some OF architectures (s390 for example) do not
support OF_ADDRESS and so a build of the driver will result in undefined
references to of_iomap/iounmap and friends.
Fixes: b84dc7f0e364 ("irqchip/xilinx: Remove microblaze+zynq dependency")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220630111008.3838307-1-jamie@jamieiles.com
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git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/fixes
AT91 fixes for 5.19
It contains 3 SoC fixes and 2 DT fixes:
SoC:
- fix the wakeup from RTC and RTT for ULP1 mode
- fix section mismatch warning
- fix SAM9X60 SiP detection
DT:
- fixes the EEPROMs compatibles for sama5d2_icp and sam9x60ek and EEPROM
size for sam9x60ek
* tag 'at91-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
ARM: at91: pm: Mark at91_pm_secure_init as __init
ARM: at91: fix soc detection for SAM9X60 SiPs
ARM: dts: at91: sama5d2_icp: fix eeprom compatibles
ARM: dts: at91: sam9x60ek: fix eeprom compatible and size
ARM: at91: pm: use proper compatibles for sama7g5's rtc and rtt
ARM: at91: pm: use proper compatibles for sam9x60's rtc and rtt
ARM: at91: pm: use proper compatible for sama5d2's rtc
Link: https://lore.kernel.org/r/20220628135130.3114878-1-claudiu.beznea@microchip.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
|
The kernel test robot found this inconsistency:
drivers/soc/ixp4xx/ixp4xx-npe.c:737:34: warning:
'ixp4xx_npe_of_match' defined but not used [-Wunused-const-variable=]
737 | static const struct of_device_id ixp4xx_npe_of_match[] = {
This is because the match is enclosed in the of_match_ptr()
which compiles into NULL when OF is disabled and this
is unnecessary.
Fix it by dropping of_match_ptr() around the match.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220626074315.61209-1-linus.walleij@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
|
Remove the repeated ';' from code.
Signed-off-by: Li kunyu <kunyu@nfschina.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
When the DMA is configured for more than 8 channels the bits controlling
suspend moves to another register. However when adding support for this
the new register would be completely overwritten in one case and
overwritten with values from the old register in another case.
Found by comparing the parallel implementation of more than 8 channel
support for the StarFive JH7100 SoC by Samin.
Fixes: 824351668a41 ("dmaengine: dw-axi-dmac: support DMAX_NUM_CHANNELS > 8")
Co-developed-by: Samin Guo <samin.guo@starfivetech.com>
Signed-off-by: Samin Guo <samin.guo@starfivetech.com>
Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Link: https://lore.kernel.org/r/20220627090939.1775717-1-emil.renner.berthing@canonical.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Testing shown that when a wq mode is setup to be dedicated and then torn
down and reconfigured to shared, the wq configured end up being dedicated
anyays. The root cause is when idxd_device_wqs_clear_state() gets called
during idxd_driver removal, idxd_wq_disable_cleanup() does not get called
vs when the wq driver is removed first. The check of wq state being
"enabled" causes the cleanup to be bypassed. However, idxd_driver->remove()
releases all wq drivers. So the wqs goes to "disabled" state and will never
be "enabled". By that point, the driver has no idea if the wq was
previously configured or clean. So force call idxd_wq_disable_cleanup() on
all wqs always to make sure everything gets cleaned up.
Reported-by: Tony Zhu <tony.zhu@intel.com>
Tested-by: Tony Zhu <tony.zhu@intel.com>
Fixes: 0dcfe41e9a4c ("dmanegine: idxd: cleanup all device related bits after disabling device")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Co-developed-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Link: https://lore.kernel.org/r/20220628230056.2527816-1-fenghua.yu@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Commit dbad41e7bb5f ("dmaengine: qcom: bam_dma: check if the runtime pm enabled")
caused unbalanced pm_runtime_get/put() calls when the bam is
controlled remotely. This commit reverts it and just enables pm_runtime
in all cases, the clk_* functions already just nop when the clock is NULL.
Also clean up a bit by removing unnecessary bamclk null checks.
Suggested-by: Stephan Gerhold <stephan@gerhold.net>
Fixes: dbad41e7bb5f ("dmaengine: qcom: bam_dma: check if the runtime pm enabled")
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
Link: https://lore.kernel.org/r/20220629140559.118537-1-caleb.connolly@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2022-06-30
This series contains updates to i40e driver only.
Lukasz adds reporting of packets dropped for being too large into the Rx
dropped statistics.
Norbert clears VF filter and MAC address to resolve issue with older VFs
being unable to change their MAC address.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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|
The commit referenced below moved the invocation past the "next" label,
without any explanation. In fact this allows misbehaving backends undue
control over the domain the frontend runs in, as earlier detected errors
require the skb to not be freed (it may be retained for later processing
via xennet_move_rx_slot(), or it may simply be unsafe to have it freed).
This is CVE-2022-33743 / XSA-405.
Fixes: 6c5aa6fc4def ("xen networking: add basic XDP support for xen-netfront")
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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Split the current bounce buffering logic used with persistent grants
into it's own option, and allow enabling it independently of
persistent grants. This allows to reuse the same code paths to
perform the bounce buffering required to avoid leaking contiguous data
in shared pages not part of the request fragments.
Reporting whether the backend is to be trusted can be done using a
module parameter, or from the xenstore frontend path as set by the
toolstack when adding the device.
This is CVE-2022-33742, part of XSA-403.
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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Bounce all data on the skbs to be transmitted into zeroed pages if the
backend is untrusted. This avoids leaking data present in the pages
shared with the backend but not part of the skb fragments. This
requires introducing a new helper in order to allocate skbs with a
size multiple of XEN_PAGE_SIZE so we don't leak contiguous data on the
granted pages.
Reporting whether the backend is to be trusted can be done using a
module parameter, or from the xenstore frontend path as set by the
toolstack when adding the device.
This is CVE-2022-33741, part of XSA-403.
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
|
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When allocating pages to be used for shared communication with the
backend always zero them, this avoids leaking unintended data present
on the pages.
This is CVE-2022-33740, part of XSA-403.
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
|
