Use list_first_entry_or_null() to simplify stm32_cryp_find_dev() and
remove the now-unused local variable 'struct stm32_cryp *tmp'.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Kees Cook <kees@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Use list_first_entry_or_null() to simplify stm32_hash_find_dev() and
remove the now-unused local variable 'struct stm32_hash_dev *tmp'.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Test vectors were generated starting from existing RFC3686(CTR(AES)) test
vectors and adding HMAC(MD5) computed with software implementation.
Then, the results were double-checked on Mediatek MT7986 (safexcel).
Platform pass self-tests.
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Anti-Rollback (ARB) is a QAT GEN6 hardware feature that prevents loading
firmware with a Security Version Number (SVN) lower than an authorized
minimum. This protects against downgrade attacks by ensuring that only
firmware at or above a committed SVN can run on the acceleration device.
During firmware loading, the driver checks the SVN validation status via
a hardware CSR. If the check reports a failure, firmware authentication
is aborted. If it reports a retry status, the driver reissues the
authentication command up to a maximum number of retries.
Extend the firmware admin interface with two new messages,
ICP_QAT_FW_SVN_READ and ICP_QAT_FW_SVN_COMMIT, to query and commit the
SVN, respectively. Integrate the SVN check into the firmware
authentication path in qat_uclo.c so the driver can react to
anti-rollback status during device bring-up.
Expose SVN information to userspace via a new sysfs attribute group,
qat_svn, under the PCI device directory. The group provides read-only
attributes for the active, enforced minimum, and permanent minimum SVN
values, as well as a write-only commit attribute that allows a system
administrator to commit the currently active SVN as the new authorized
minimum.
This is based on earlier work by Ciunas Bennett.
Signed-off-by: Suman Kumar Chakraborty <suman.kumar.chakraborty@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Use print_hex_dump_devel() for dumping sensitive HMAC key bytes in
hash_digest_key() to avoid leaking secrets at runtime when
CONFIG_DYNAMIC_DEBUG is enabled.
Fixes: 045e36780f ("crypto: caam - ahash hmac support")
Fixes: 3f16f6c9d6 ("crypto: caam/qi2 - add support for ahash algorithms")
Cc: stable@vger.kernel.org
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add print_hex_dump_devel() as the hex dump equivalent of pr_devel(),
which emits output only when DEBUG is enabled, but keeps call sites
compiled otherwise.
Suggested-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: John Ogness <john.ogness@linutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add the __counted_by() compiler attribute to the flexible array member
'group' to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and
CONFIG_FORTIFY_SOURCE.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Replace memset() followed by memcpy() with memcpy_and_pad() to simplify
the code and to write to 'cache' only once.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Replace multiple for loops with calls to crypto_unregister_ahashes() and
crypto_unregister_skciphers().
If crypto_register_skcipher() fails in s5p_aes_probe(), log the error
directly instead of checking 'i < ARRAY_SIZE(algs)' later. Also drop
now-unused local index variables. No functional changes.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Setting up the interface when suspended/resumeing fail on this card.
Adding a reset and delay quirk will eliminate this problem.
usb 1-1: new full-speed USB device number 2 using xhci-hcd
usb 1-1: New USB device found, idVendor=001f, idProduct=0b23
usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-1: Product: AB17X USB Audio
usb 1-1: Manufacturer: Generic
usb 1-1: SerialNumber: 20241228172028
Signed-off-by: Lianqin Hu <hulianqin@vivo.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/PUZPR06MB6224CA59AD2B26054120B276D249A@PUZPR06MB6224.apcprd06.prod.outlook.com
Refactor the futex atomic operations using ll/sc instructions in
preparation for FEAT_LSUI support. In addition, use named operands for
the inline asm.
No functional change.
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
[catalin.marinas@arm.com: remove unnecessary stringify.h include]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
HP Laptop 15-fd0xxx with ALC236 codec does not handle the toggling of
the mute LED.
This patch adds a quirk entry for subsystem ID 0x8dd7 using
ALC236_FIXUP_HP_MUTE_LED_COEFBIT2 fixup, enabling correct mute LED
behavior.
Signed-off-by: Kshamendra Kumar Mishra <kshamendrakumarmishra@gmail.com>
Link: https://patch.msgid.link/DHAB51ISUM96.2K9SZIABIDEQ0@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The HP Pavilion 15-eg0xxx with subsystem ID 0x103c87cb uses a Realtek
ALC287 codec with a mute LED wired to GPIO pin 4 (mask 0x10). The
existing ALC287_FIXUP_HP_GPIO_LED fixup already handles this correctly,
but the subsystem ID was missing from the quirk table.
GPIO pin confirmed via manual hda-verb testing:
hda-verb SET_GPIO_MASK 0x10
hda-verb SET_GPIO_DIRECTION 0x10
hda-verb SET_GPIO_DATA 0x10
Signed-off-by: César Montoya <sprit152009@gmail.com>
Link: https://patch.msgid.link/20260321153603.12771-1-sprit152009@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
On the HP EliteBoard G1a platform (models without a headphone jack).
the speaker mute LED failed to function. The Sysfs ctl-led info showed
empty values because the standard LED registration couldn't correctly
bind to the master switch.
Adding this patch will fix and enable the speaker mute LED feature.
Tested-by: Chris Chiu <chris.chiu@canonical.com>
Signed-off-by: Kailang Yang <kailang@realtek.com>
Link: https://lore.kernel.org/279e929e884849df84687dbd67f20037@realtek.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Currently, the mmc_host_class_dev_pm_ops and its callback
functions are wrapped in #ifdef CONFIG_PM_SLEEP to handle the
conditional compilation when PM support is disabled.
Replace this #ifdef usage with the standard pm_ptr() helpers. This
allows the compiler to automatically optimize away the unused code
paths when CONFIG_PM_SLEEP is not selected, resulting in cleaner and
more maintainable code.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The 'enable-sdio-wakeup' device tree property was marked as legacy and
superseded by the standard 'wakeup-source' property in commit 71a0151c5c
("Documentation: devicetree: fix reference to legacy wakeup properties")
back in 2015.
Since it has been a decade and the migration to the standard property
has long been completed, remove this obsolete legacy support.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Simplifies allocations by using a flexible array member in these structs.
Add __counted_by to get extra runtime analysis.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This is two week's worth of fixes and quirks so it's a bit larger than
you might expect, there's nothing too exciting individually and nothing
in core code.
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Merge tag 'asoc-fix-v7.0-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v7.0
This is two week's worth of fixes and quirks so it's a bit larger than
you might expect, there's nothing too exciting individually and nothing
in core code.
Update header inclusions to follow IWYU (Include What You Use)
principle.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
linedisp_release() currently retrieves the enclosing struct linedisp via
to_linedisp(). That lookup depends on the attachment list, but the
attachment may already have been removed before put_device() invokes the
release callback. This can happen in linedisp_unregister(), and can also
be reached from some linedisp_register() error paths.
In that case, to_linedisp() returns NULL and linedisp_release()
dereferences it while freeing the display resources.
The struct device released here is the embedded linedisp->dev used by
linedisp_register(), so retrieve the enclosing object directly with
container_of() instead.
Fixes: 66c9380948 ("auxdisplay: linedisp: encapsulate container_of usage within to_linedisp")
Cc: stable@vger.kernel.org
Signed-off-by: Guangshuo Li <lgs201920130244@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
After enabling CONFIG_GCOV_KERNEL and CONFIG_GCOV_PROFILE_ALL, following
build failure is observed under GCC 14.2.1:
In function 'amdv1pt_install_leaf_entry',
inlined from '__do_map_single_page' at drivers/iommu/generic_pt/fmt/../iommu_pt.h:650:3,
inlined from '__map_single_page0' at drivers/iommu/generic_pt/fmt/../iommu_pt.h:661:1,
inlined from 'pt_descend' at drivers/iommu/generic_pt/fmt/../pt_iter.h:391:9,
inlined from '__do_map_single_page' at drivers/iommu/generic_pt/fmt/../iommu_pt.h:657:10,
inlined from '__map_single_page1.constprop' at drivers/iommu/generic_pt/fmt/../iommu_pt.h:661:1:
././include/linux/compiler_types.h:706:45: error: call to '__compiletime_assert_71' declared with attribute error: FIELD_PREP: value too large for the field
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
|
......
drivers/iommu/generic_pt/fmt/amdv1.h:220:26: note: in expansion of macro 'FIELD_PREP'
220 | FIELD_PREP(AMDV1PT_FMT_OA,
| ^~~~~~~~~~
In the path '__do_map_single_page()', level 0 always invokes
'pt_install_leaf_entry(&pts, map->oa, PAGE_SHIFT, …)'. At runtime that
lands in the 'if (oasz_lg2 == isz_lg2)' arm of 'amdv1pt_install_leaf_entry()';
the contiguous-only 'else' block is unreachable for 4 KiB pages.
With CONFIG_GCOV_KERNEL + CONFIG_GCOV_PROFILE_ALL, the extra
instrumentation changes GCC's inlining so that the "dead" 'else' branch
still gets instantiated. The compiler constant-folds the contiguous OA
expression, runs the 'FIELD_PREP()' compile-time check, and produces:
FIELD_PREP: value too large for the field
gcov-enabled builds therefore fail even though the code path never executes.
Fix this by marking amdv1pt_install_leaf_entry as __always_inline.
Fixes: dcd6a011a8 ("iommupt: Add map_pages op")
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sherry Yang <sherry.yang@oracle.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Add AMDI0033 to the AMD GPIO ACPI match table.
This lets the driver bind on new AMD platforms that expose this HID.
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
In the current AMD IOMMU debugfs, when multiple processes simultaneously
access the IOMMU mmio/cap registers using the IOMMU debugfs, illegal
access issues can occur in the following execution flow:
1. CPU1: Sets a valid access address using iommu_mmio/capability_write,
and verifies the access address's validity in iommu_mmio/capability_show
2. CPU2: Sets an invalid address using iommu_mmio/capability_write
3. CPU1: accesses the IOMMU mmio/cap registers based on the invalid
address, resulting in an illegal access.
This patch modifies the execution process to first verify the address's
validity and then access it based on the same address, ensuring
correctness and robustness.
Signed-off-by: Guanghui Feng <guanghuifeng@linux.alibaba.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
In the current AMD IOMMU debugFS, when multiple processes use the IOMMU
debugFS process simultaneously, illegal access issues can occur in the
following execution flow:
1. CPU1: Sets a valid sbdf via devid_write, then checks the sbdf's
validity in execution flows such as devid_show, iommu_devtbl_show,
and iommu_irqtbl_show.
2. CPU2: Sets an invalid sbdf via devid_write, at which point the sbdf
value is -1.
3. CPU1: accesses the IOMMU device table, IRQ table, based on the
invalid SBDF value of -1, resulting in illegal access.
This is especially problematic in monitoring scripts, where multiple
scripts may access debugFS simultaneously, and some scripts may
unexpectedly set invalid values, which triggers illegal access in
debugfs.
This patch modifies the execution flow of devid_show,
iommu_devtbl_show, and iommu_irqtbl_show to ensure that these
processes determine the validity and access based on the
same device-id, thus guaranteeing correctness and robustness.
Signed-off-by: Guanghui Feng <guanghuifeng@linux.alibaba.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
unmap has the odd behavior that it can unmap more than requested if the
ending point lands within the middle of a large or contiguous IOPTE.
In this case the gather should flush everything unmapped which can be
larger than what was requested to be unmapped. The gather was only
flushing the range requested to be unmapped, not extending to the extra
range, resulting in a short invalidation if the caller hits this special
condition.
This was found by the new invalidation/gather test I am adding in
preparation for ARMv8. Claude deduced the root cause.
As far as I remember nothing relies on unmapping a large entry, so this is
likely not a triggerable bug.
Cc: stable@vger.kernel.org
Fixes: 7c53f4238a ("iommupt: Add unmap_pages op")
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Samiullah Khawaja <skhawaja@google.com>
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
An empty gather is coded with start=U64_MAX, end=0 and several drivers go
on to convert that to a size with:
end - start + 1
Which gives 2 for an empty gather. This then causes Weird Stuff to
happen (for example an UBSAN splat in VT-d) that is hopefully harmless,
but maybe not.
Prevent drivers from being called right in iommu_iotlb_sync().
Auditing shows that AMD, Intel, Mediatek and RSIC-V drivers all do things
on these empty gathers.
Further, there are several callers that can trigger empty gathers,
especially in unusual conditions. For example iommu_map_nosync() will call
a 0 size unmap on some error paths. Also in VFIO, iommupt and other
places.
Cc: stable@vger.kernel.org
Reported-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Closes: https://lore.kernel.org/r/11145826.aFP6jjVeTY@jkrzyszt-mobl2.ger.corp.intel.com
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Samiullah Khawaja <skhawaja@google.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
GFP_* flag fix for syncobj, and a MAINTAINERS update.
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Merge tag 'drm-misc-fixes-2026-03-26' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
A page mapping fix for shmem fault handler, a power-off fix for ivpu, a
GFP_* flag fix for syncobj, and a MAINTAINERS update.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patch.msgid.link/20260326-lush-cuddly-limpet-ab2aa9@houat
Correct the ad7191 documentation to match the datasheet:
- Fix inverted CLKSEL pin logic: device uses external clock when pin is
inactive, and internal CMOS/crystal when high.
- Correct CMOS-compatible clock pin from MCLK2 to MCLK1.
Signed-off-by: Ammar Mustafa <ammarmustafa34@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Replace the deprecated[1] strncpy() with strnlen() on the source
followed by memcpy_and_pad().
This function is a chunk callback for UML's strncpy_from_user()
implementation, called by buffer_op() to process userspace memory one
page at a time. The source is a kernel-mapped userspace address that
is not guaranteed to be NUL-terminated; "len" bounds how many bytes
to read from it.
By measuring the source string length first with strnlen(), we avoid
reading past the NUL terminator in the source. memcpy_and_pad() then
copies the string content and zero-fills the remainder of the chunk,
preserving the original strncpy() behavior exactly: copy up to the
first NUL, then pad with zeros to the full length.
strtomem_pad() would be the idiomatic helper for this strnlen() +
memcpy_and_pad() pattern, but it requires a compile-time-determinable
destination size (via ARRAY_SIZE()). Here the destination is a char *
into a caller-provided buffer and the chunk length is a runtime value,
so the explicit two-step is necessary.
No behavioral change: the same bytes are written to the destination
(string content followed by zero padding), the pointer advances by
the same amount, and the NUL-found return condition is unchanged.
Link: https://github.com/KSPP/linux/issues/90 [1]
Signed-off-by: Kees Cook <kees@kernel.org>
Link: https://patch.msgid.link/20260323171713.work.839-kees@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The core mmc devicetree schema expects mmc controller nodes to be named
using '^mmc(@.*)?$' pattern.
The legacy Hisilicon SoC files (hi3660, hi3670, and hi6220) previously
used the 'dwmmc' prefix for their nodes. This caused warnings during
dtbs_check.
Rename the 'dwmmc' nodes to 'mmc' to comply with the standard schema and
dtbs_check warnings. The legacy phandle labels are kept intact.
Signed-off-by: Bhargav Joshi <rougueprince47@gmail.com>
Acked-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
Add device tree overlay to enable ICSSG0 dual EMAC support on AM642 EVM.
This overlay enables both ICSSG0 Ethernet interfaces (port0 and port1) in
dual EMAC mode.
Users can combine this with the existing ICSSG1 overlay to enable all four
ICSSG interfaces if needed.
Signed-off-by: Meghana Malladi <m-malladi@ti.com>
Link: https://patch.msgid.link/20260323090358.632329-2-m-malladi@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Some carrier board reuse the UART_2 control signals as GPIO, split
the pinctrl RTS/CTS in separated nodes to maximize flexibility.
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://patch.msgid.link/20260324093705.26730-6-francesco@dolcini.it
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Some carrier board reuse the UART_2 control signals as GPIO, split
the pinctrl RTS/CTS in separated nodes to maximize flexibility.
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://patch.msgid.link/20260324093705.26730-4-francesco@dolcini.it
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Fix SPI_1_CS GPIO pinmux label, this is spi1_cs, not qspi1_io4.
There are no user of this label yet, therefore this change does not
create any compatibility issue.
Fixes: fcb335934c ("arm64: dts: ti: verdin-am62: Improve spi1 chip-select pinctrl")
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://patch.msgid.link/20260324093705.26730-3-francesco@dolcini.it
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Russell King says:
====================
net: stmmac: remove unused and unimplemented AXI properties
commit afea03656a ("stmmac: rework DMA bus setting and introduce new
platform AXI structure") added support for parsing all the stmmac AXI
attributes, and added code to set most of the appropriate register bits
with three exceptions:
snps,kbbe
snps,mb
snps,rb
These were parsed by the driver, but the result of parsing was never
used by any of the cores.
Moreover, no DTS in the kernel makes use of these properties.
Thus, it doesn't make sense for the driver to parse these, so let's
remove them. Also remove them from the DT binding document.
====================
Link: https://patch.msgid.link/acJh4z3pRKkeaFbR@shell.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Remove the AXI snps,kbbe snps,mb and snps,rb properties as they have
not been used, and although the driver parses these, the code hasn't
ever used the parsed result. This parsing has now been removed.
These were introduced by commit afea03656a ("stmmac: rework DMA bus
setting and introduce new platform AXI structure").
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/E1w4ydt-0000000Dlph-3WvI@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
axi_kbbe, axi_mb and axi_rb are all written, but nothing ever reads
their values. Remove the code that sets these and the struct members.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1w4ydo-0000000Dlpb-34jd@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When processing Router Advertisements with user options the kernel
builds an RTM_NEWNDUSEROPT netlink message. The nduseroptmsg struct
has three padding fields that are never zeroed and can leak kernel data
The fix is simple, just zeroes the padding fields.
Fixes: 31910575a9 ("[IPv6]: Export userland ND options through netlink (RDNSS support)")
Signed-off-by: Yochai Eisenrich <echelonh@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20260324224925.2437775-1-echelonh@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
