The caller can just ignore the return. No need for this wrapper that
just casts the other function to void.
[ idryomov: argument alignment ]
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
SAE authentication has been extended with H2E (IEEE 802.11 REVmd) and PK
(WFA) options. Those extensions use special status code values in the
SAE commit messages (Authentication frame with transaction sequence
number 1) to identify which extension is in use. mac80211 was
interpreting those new values as the AP denying authentication and that
resulted in failure to complete SAE authentication in some cases.
Fix this by adding exceptions for the new status code values 126 and
127.
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Link: https://lore.kernel.org/r/20200731183830.18735-1-jouni@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Drop the repeated word "can" in a comment.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Richard Weinberger <richard@nod.at>
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
- Disable Quad Mode in spi_nor_restore().
- Don't abort BFPT parsing when QER reserved value is used.
- Add support/update capabilities for few flashes.
- Drop s70fl01gs flash: it does not support RDSR(05h) which
is critical for erase/write.
- Merge the SPIMEM DTR bits in spi-nor/next to avoid conflicts
during the release cycle.
SPI NOR controller drivers changes:
- Move the cadence-quadspi driver to spi-mem. The series was
taken through the SPI tree. Merge it also in spi-nor/next
to avoid conflicts during the release cycle.
- intel-spi:
- Add new PCI IDs.
- Ignore the Write Disable command, the controller doesn't
support it.
- Fix performance regression.
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Merge tag 'spi-nor/for-5.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux into mtd/next
SPI NOR core changes:
- Disable Quad Mode in spi_nor_restore().
- Don't abort BFPT parsing when QER reserved value is used.
- Add support/update capabilities for few flashes.
- Drop s70fl01gs flash: it does not support RDSR(05h) which
is critical for erase/write.
- Merge the SPIMEM DTR bits in spi-nor/next to avoid conflicts
during the release cycle.
SPI NOR controller drivers changes:
- Move the cadence-quadspi driver to spi-mem. The series was
taken through the SPI tree. Merge it also in spi-nor/next
to avoid conflicts during the release cycle.
- intel-spi:
- Add new PCI IDs.
- Ignore the Write Disable command, the controller doesn't
support it.
- Fix performance regression.
Moved macros used for Vendor/Device ID from wilc1000 driver to common
header file and changed macro name for consistency with other macros.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200717051134.19160-1-ajay.kathat@microchip.com
Add LINK_DETACH command to force-detach bpf_link without destroying it. It has
the same behavior as auto-detaching of bpf_link due to cgroup dying for
bpf_cgroup_link or net_device being destroyed for bpf_xdp_link. In such case,
bpf_link is still a valid kernel object, but is defuncts and doesn't hold BPF
program attached to corresponding BPF hook. This functionality allows users
with enough access rights to manually force-detach attached bpf_link without
killing respective owner process.
This patch implements LINK_DETACH for cgroup, xdp, and netns links, mostly
re-using existing link release handling code.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20200731182830.286260-2-andriin@fb.com
Pull networking fixes from David Miller:
1) Encap offset calculation is incorrect in esp6, from Sabrina Dubroca.
2) Better parameter validation in pfkey_dump(), from Mark Salyzyn.
3) Fix several clang issues on powerpc in selftests, from Tanner Love.
4) cmsghdr_from_user_compat_to_kern() uses the wrong length, from Al
Viro.
5) Out of bounds access in mlx5e driver, from Raed Salem.
6) Fix transfer buffer memleak in lan78xx, from Johan Havold.
7) RCU fixups in rhashtable, from Herbert Xu.
8) Fix ipv6 nexthop refcnt leak, from Xiyu Yang.
9) vxlan FDB dump must be done under RCU, from Ido Schimmel.
10) Fix use after free in mlxsw, from Ido Schimmel.
11) Fix map leak in HASH_OF_MAPS bpf code, from Andrii Nakryiko.
12) Fix bug in mac80211 Tx ack status reporting, from Vasanthakumar
Thiagarajan.
13) Fix memory leaks in IPV6_ADDRFORM code, from Cong Wang.
14) Fix bpf program reference count leaks in mlx5 during
mlx5e_alloc_rq(), from Xin Xiong.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (86 commits)
vxlan: fix memleak of fdb
rds: Prevent kernel-infoleak in rds_notify_queue_get()
net/sched: The error lable position is corrected in ct_init_module
net/mlx5e: fix bpf_prog reference count leaks in mlx5e_alloc_rq
net/mlx5e: E-Switch, Specify flow_source for rule with no in_port
net/mlx5e: E-Switch, Add misc bit when misc fields changed for mirroring
net/mlx5e: CT: Support restore ipv6 tunnel
net: gemini: Fix missing clk_disable_unprepare() in error path of gemini_ethernet_port_probe()
ionic: unlock queue mutex in error path
atm: fix atm_dev refcnt leaks in atmtcp_remove_persistent
net: ethernet: mtk_eth_soc: fix MTU warnings
net: nixge: fix potential memory leak in nixge_probe()
devlink: ignore -EOPNOTSUPP errors on dumpit
rxrpc: Fix race between recvmsg and sendmsg on immediate call failure
MAINTAINERS: Replace Thor Thayer as Altera Triple Speed Ethernet maintainer
selftests/bpf: fix netdevsim trap_flow_action_cookie read
ipv6: fix memory leaks on IPV6_ADDRFORM path
net/bpfilter: Initialize pos in __bpfilter_process_sockopt
igb: reinit_locked() should be called with rtnl_lock
e1000e: continue to init PHY even when failed to disable ULP
...
Use a local var to collect flags in kiocb_set_rw_flags(). That spares
some memory writes and allows to replace most of the jumps with MOVEcc.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Pull v5.9 KCSAN bits from Paul E. McKenney.
Perhaps the most important change is that GCC 11 now has all fixes in place
to support KCSAN, so GCC support can be enabled again.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Rather that hide their purpose in some dark, damp corner of Documentation/,
add some documentation to the default implementations.
Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20200731192016.7484-2-valentin.schneider@arm.com
netdev protodown is a mechanism that allows protocols to
hold an interface down. It was initially introduced in
the kernel to hold links down by a multihoming protocol.
There was also an attempt to introduce protodown
reason at the time but was rejected. protodown and protodown reason
is supported by almost every switching and routing platform.
It was ok for a while to live without a protodown reason.
But, its become more critical now given more than
one protocol may need to keep a link down on a system
at the same time. eg: vrrp peer node, port security,
multihoming protocol. Its common for Network operators and
protocol developers to look for such a reason on a networking
box (Its also known as errDisable by most networking operators)
This patch adds support for link protodown reason
attribute. There are two ways to maintain protodown
reasons.
(a) enumerate every possible reason code in kernel
- A protocol developer has to make a request and
have that appear in a certain kernel version
(b) provide the bits in the kernel, and allow user-space
(sysadmin or NOS distributions) to manage the bit-to-reasonname
map.
- This makes extending reason codes easier (kind of like
the iproute2 table to vrf-name map /etc/iproute2/rt_tables.d/)
This patch takes approach (b).
a few things about the patch:
- It treats the protodown reason bits as counter to indicate
active protodown users
- Since protodown attribute is already an exposed UAPI,
the reason is not enforced on a protodown set. Its a no-op
if not used.
the patch follows the below algorithm:
- presence of reason bits set indicates protodown
is in use
- user can set protodown and protodown reason in a
single or multiple setlink operations
- setlink operation to clear protodown, will return -EBUSY
if there are active protodown reason bits
- reason is not included in link dumps if not used
example with patched iproute2:
$cat /etc/iproute2/protodown_reasons.d/r.conf
0 mlag
1 evpn
2 vrrp
3 psecurity
$ip link set dev vxlan0 protodown on protodown_reason vrrp on
$ip link set dev vxlan0 protodown_reason mlag on
$ip link show
14: vxlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode
DEFAULT group default qlen 1000
link/ether f6:06:be:17:91:e7 brd ff:ff:ff:ff:ff:ff protodown on <mlag,vrrp>
$ip link set dev vxlan0 protodown_reason mlag off
$ip link set dev vxlan0 protodown off protodown_reason vrrp off
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This change adds TCP_NLA_EDT to SCM_TIMESTAMPING_OPT_STATS that reports
the earliest departure time(EDT) of the timestamped skb. By tracking EDT
values of the skb from different timestamps, we can observe when and how
much the value changed. This allows to measure the precise delay
injected on the sender host e.g. by a bpf-base throttler.
Signed-off-by: Yousuk Seung <ysseung@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull i2c fixes from Wolfram Sang:
"Some I2C core improvements to prevent NULL pointer usage and a
MAINTAINERS update"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: slave: add sanity check when unregistering
i2c: slave: improve sanity check when registering
MAINTAINERS: Update GENI I2C maintainers list
i2c: also convert placeholder function to return errno
* for-next/read-barrier-depends:
: Allow architectures to override __READ_ONCE()
arm64: Reduce the number of header files pulled into vmlinux.lds.S
compiler.h: Move compiletime_assert() macros into compiler_types.h
checkpatch: Remove checks relating to [smp_]read_barrier_depends()
include/linux: Remove smp_read_barrier_depends() from comments
tools/memory-model: Remove smp_read_barrier_depends() from informal doc
Documentation/barriers/kokr: Remove references to [smp_]read_barrier_depends()
Documentation/barriers: Remove references to [smp_]read_barrier_depends()
locking/barriers: Remove definitions for [smp_]read_barrier_depends()
alpha: Replace smp_read_barrier_depends() usage with smp_[r]mb()
vhost: Remove redundant use of read_barrier_depends() barrier
asm/rwonce: Don't pull <asm/barrier.h> into 'asm-generic/rwonce.h'
asm/rwonce: Remove smp_read_barrier_depends() invocation
alpha: Override READ_ONCE() with barriered implementation
asm/rwonce: Allow __READ_ONCE to be overridden by the architecture
compiler.h: Split {READ,WRITE}_ONCE definitions out into rwonce.h
tools: bpf: Use local copy of headers including uapi/linux/filter.h
* for-next/misc:
: Miscellaneous fixes and cleanups
arm64: use IRQ_STACK_SIZE instead of THREAD_SIZE for irq stack
arm64/mm: save memory access in check_and_switch_context() fast switch path
recordmcount: only record relocation of type R_AARCH64_CALL26 on arm64.
arm64: Reserve HWCAP2_MTE as (1 << 18)
arm64/entry: deduplicate SW PAN entry/exit routines
arm64: s/AMEVTYPE/AMEVTYPER
arm64/hugetlb: Reserve CMA areas for gigantic pages on 16K and 64K configs
arm64: stacktrace: Move export for save_stack_trace_tsk()
smccc: Make constants available to assembly
arm64/mm: Redefine CONT_{PTE, PMD}_SHIFT
arm64/defconfig: Enable CONFIG_KEXEC_FILE
arm64: Document sysctls for emulated deprecated instructions
arm64/panic: Unify all three existing notifier blocks
arm64/module: Optimize module load time by optimizing PLT counting
* for-next/vmcoreinfo:
: Export the virtual and physical address sizes in vmcoreinfo
arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo
crash_core, vmcoreinfo: Append 'MAX_PHYSMEM_BITS' to vmcoreinfo
* for-next/cpufeature:
: CPU feature handling cleanups
arm64/cpufeature: Validate feature bits spacing in arm64_ftr_regs[]
arm64/cpufeature: Replace all open bits shift encodings with macros
arm64/cpufeature: Add remaining feature bits in ID_AA64MMFR2 register
arm64/cpufeature: Add remaining feature bits in ID_AA64MMFR1 register
arm64/cpufeature: Add remaining feature bits in ID_AA64MMFR0 register
* for-next/acpi:
: ACPI updates for arm64
arm64/acpi: disallow writeable AML opregion mapping for EFI code regions
arm64/acpi: disallow AML memory opregions to access kernel memory
* for-next/perf:
: perf updates for arm64
arm64: perf: Expose some new events via sysfs
tools headers UAPI: Update tools's copy of linux/perf_event.h
arm64: perf: Add cap_user_time_short
perf: Add perf_event_mmap_page::cap_user_time_short ABI
arm64: perf: Only advertise cap_user_time for arch_timer
arm64: perf: Implement correct cap_user_time
time/sched_clock: Use raw_read_seqcount_latch()
sched_clock: Expose struct clock_read_data
arm64: perf: Correct the event index in sysfs
perf/smmuv3: To simplify code for ioremap page in pmcg
* for-next/timens:
: Time namespace support for arm64
arm64: enable time namespace support
arm64/vdso: Restrict splitting VVAR VMA
arm64/vdso: Handle faults on timens page
arm64/vdso: Add time namespace page
arm64/vdso: Zap vvar pages when switching to a time namespace
arm64/vdso: use the fault callback to map vvar pages
* for-next/msi-iommu:
: Make the MSI/IOMMU input/output ID translation PCI agnostic, augment the
: MSI/IOMMU ACPI/OF ID mapping APIs to accept an input ID bus-specific parameter
: and apply the resulting changes to the device ID space provided by the
: Freescale FSL bus
bus: fsl-mc: Add ACPI support for fsl-mc
bus/fsl-mc: Refactor the MSI domain creation in the DPRC driver
of/irq: Make of_msi_map_rid() PCI bus agnostic
of/irq: make of_msi_map_get_device_domain() bus agnostic
dt-bindings: arm: fsl: Add msi-map device-tree binding for fsl-mc bus
of/device: Add input id to of_dma_configure()
of/iommu: Make of_map_rid() PCI agnostic
ACPI/IORT: Add an input ID to acpi_dma_configure()
ACPI/IORT: Remove useless PCI bus walk
ACPI/IORT: Make iort_msi_map_rid() PCI agnostic
ACPI/IORT: Make iort_get_device_domain IRQ domain agnostic
ACPI/IORT: Make iort_match_node_callback walk the ACPI namespace for NC
* for-next/trivial:
: Trivial fixes
arm64: sigcontext.h: delete duplicated word
arm64: ptrace.h: delete duplicated word
arm64: pgtable-hwdef.h: delete duplicated words
This is a long life mode set in the factory for extended warranty
battery, the power charging rate is customized so that battery at
work last longer.
Presently switching to a different battery charging mode is through
EC PID 0x0710 to configure the battery firmware, this operation will
be blocked by EC with failure code 0x01 when PLL mode is already
in use.
Signed-off-by: Crag Wang <crag.wang@dell.com>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Conflicts:
arch/arm/include/asm/percpu.h
As Stephen Rothwell noted, there's a conflict between this commit
in locking/core:
a21ee6055c ("lockdep: Change hardirq{s_enabled,_context} to per-cpu variables")
and this fresh upstream commit:
aa54ea903a ("ARM: percpu.h: fix build error")
a21ee6055c is a simpler solution to the dependency problem and doesn't
further increase header hell - so this conflict resolution effectively
reverts aa54ea903a and uses the a21ee6055c solution.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
To improve the general usefulness of the IRQ state trace events with
KCSAN enabled, save and restore the trace information when entering and
exiting the KCSAN runtime as well as when generating a KCSAN report.
Without this, reporting the IRQ trace events (whether via a KCSAN report
or outside of KCSAN via a lockdep report) is rather useless due to
continuously being touched by KCSAN. This is because if KCSAN is
enabled, every instrumented memory access causes changes to IRQ trace
events (either by KCSAN disabling/enabling interrupts or taking
report_lock when generating a report).
Before "lockdep: Prepare for NMI IRQ state tracking", KCSAN avoided
touching the IRQ trace events via raw_local_irq_save/restore() and
lockdep_off/on().
Fixes: 248591f5d2 ("kcsan: Make KCSAN compatible with new IRQ state tracking")
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20200729110916.3920464-2-elver@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Refactor the IRQ trace events fields, used for printing information
about the IRQ trace events, into a separate struct 'irqtrace_events'.
This improves readability by separating the information only used in
reporting, as well as enables (simplified) storing/restoring of
irqtrace_events snapshots.
No functional change intended.
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20200729110916.3920464-1-elver@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
- Add unzstd() and the zstd decompress interface.
- Add zstd support to decompress_method().
The decompress_method() and unzstd() functions are used to decompress
the initramfs and the initrd. The __decompress() function is used in
the preboot environment to decompress a zstd compressed kernel.
The zstd decompression function allows the input and output buffers to
overlap because that is used by x86 kernel decompression.
Signed-off-by: Nick Terrell <terrelln@fb.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20200730190841.2071656-3-nickrterrell@gmail.com
Add mpi_sub_ui() based on Gnu MP mpz_sub_ui() function from file
mpz/aors_ui.h[1] from change id 510b83519d1c adapting the code to the
kernel's data structures, helper functions and coding style and also
removing the defines used to produce mpz_sub_ui() and mpz_add_ui()
from the same code.
[1] https://gmplib.org/repo/gmp-6.2/file/510b83519d1c/mpz/aors.h
Signed-off-by: Marcelo Henrique Cerri <marcelo.cerri@canonical.com>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add a simple helper to set timestamps with a kernel space file name and
switch the early init code over to it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Add a simple helper to mknod with a kernel space file name and switch
the early init code over to it. Remove the now unused ksys_mknod.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Add a simple helper to mkdir with a kernel space file name and switch
the early init code over to it. Remove the now unused ksys_mkdir.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Add a simple helper to symlink with a kernel space file name and switch
the early init code over to it. Remove the now unused ksys_symlink.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Add a simple helper to link with a kernel space file name and switch
the early init code over to it. Remove the now unused ksys_link.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Add a simple helper to check if a file exists based on kernel space file
name and switch the early init code over to it. Note that this
theoretically changes behavior as it always is based on the effective
permissions. But during early init that doesn't make a difference.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Add a simple helper to chroot with a kernel space file name and switch
the early init code over to it. Remove the now unused ksys_chroot.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Add a simple helper to chdir with a kernel space file name and switch
the early init code over to it. Remove the now unused ksys_chdir.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Add a simple helper to rmdir with a kernel space file name and switch
the early init code over to it. Remove the now unused ksys_rmdir.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Add a simple helper to unlink with a kernel space file name and switch
the early init code over to it. Remove the now unused ksys_unlink.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Like ksys_umount, but takes a kernel pointer for the destination path.
Switch over the umount in the init code, which just happen to work due to
the implicit set_fs(KERNEL_DS) during early init right now.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Like do_mount, but takes a kernel pointer for the destination path.
Switch over the mounts in the init code and devtmpfs to it, which
just happen to work due to the implicit set_fs(KERNEL_DS) during early
init right now.
Signed-off-by: Christoph Hellwig <hch@lst.de>
This mirrors do_unlinkat and will make life a little easier for
the init code to reuse the whole function with a kernel filename.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Rename utimes_common to vfs_utimes and make it available outside of
utimes.c. This will be used by the initramfs unpacking code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
