During the calibration of the RF amplifier, the device is able to provide
some data about the status of the amplifier.
Record these data and expose them in debugfs.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200526171821.934581-5-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The function wfx_pending_requeue() is not used anymore since the
commit 7a44644c93 ("staging: wfx: introduce
wfx_set_default_unicast_key()")
Fixes: 7a44644c93 ("staging: wfx: introduce wfx_set_default_unicast_key()")
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200526171821.934581-4-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since the commit 3f84adfe1d ("staging: wfx: remove hack about tx_rate
policies"), the variable "count" is no more used in wfx_tx_policy_build().
Notice that there were two instances of the variable "count" in
wfx_tx_policy_build(). This patch also solves this cosmetic issue.
Reported-by: kbuild test robot <lkp@intel.com>
Fixes: 3f84adfe1d ("staging: wfx: remove hack about tx_rate policies")
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200526171821.934581-2-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make some arrays in phy_iq_calibrate() static const and adjust
the functions that take these arrays as parameters accordingly.
Reduces object file size by 84 bytes (GCC 9.3.1 x86_64).
Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20200524101514.20557-2-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Clean up some array declarations in phy_iq_calibrate() to reduce
indentation and clear line over 80 characters checkpatch warnings.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20200524101514.20557-1-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In an effort to enable -Wcast-function-type in the top-level Makefile to
support Control Flow Integrity builds, remove all the function callback
casts.
To do this modify the function prototypes accordingly.
Signed-off-by: Oscar Carter <oscar.carter@gmx.com>
Link: https://lore.kernel.org/r/20200524091515.21799-1-oscar.carter@gmx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/vt6656/rxtx.c:729 vnt_beacon_xmit()
warn: struct type mismatch 'vnt_beacon_buffer vs vnt_tx_usb_header'
Since the only part of vnt_beacon_buffer is used remove and
replace it with vnt_tx_usb_header.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/9818e564-81f6-a683-caa0-69423fded401@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The value in shared headers was fixed 9 years ago in commit 8d661f1e46
("ieee80211: correct IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK macro") and
while looking at using shared headers for other duplicated constants
I noticed this driver uses the old value.
The macros are also defined twice in this file so I am deleting the
second definition.
Signed-off-by: Pascal Terjan <pterjan@google.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200523211247.23262-1-pterjan@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Don't return a garbage screen info when EFI framebuffer is not available
- Make the early EFI console work proper with wider fonts instead of drawing
garbage
- Prevent a memory buffer leak in allocate_e820()
- Print the firmware error record proper so it can be decoded by users
- Fix a symbol clash in the host tool build which only happens with newer
compilers.
- Add a missing check for the event log version of TPM which caused boot
fails on several Dell systems due to an attempt to decode SHA-1 format
with the crypto agile algorithm
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Merge tag 'efi-urgent-2020-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Thomas Gleixner:
"A set of EFI fixes:
- Don't return a garbage screen info when EFI framebuffer is not
available
- Make the early EFI console work properly with wider fonts instead
of drawing garbage
- Prevent a memory buffer leak in allocate_e820()
- Print the firmware error record properly so it can be decoded by
users
- Fix a symbol clash in the host tool build which only happens with
newer compilers.
- Add a missing check for the event log version of TPM which caused
boot failures on several Dell systems due to an attempt to decode
SHA-1 format with the crypto agile algorithm"
* tag 'efi-urgent-2020-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tpm: check event log version before reading final events
efi: Pull up arch-specific prototype efi_systab_show_arch()
x86/boot: Mark global variables as static
efi: cper: Add support for printing Firmware Error Record Reference
efi/libstub/x86: Avoid EFI map buffer alloc in allocate_e820()
efi/earlycon: Fix early printk for wider fonts
efi/libstub: Avoid returning uninitialized data from setup_graphics()
- Unbreak stack dumps for inactive tasks by interpreting the special
first frame left by __switch_to_asm() correctly. The recent change not
to skip the first frame so ORC and frame unwinder behave in the same
way caused all entries to be unreliable, i.e. prepended with '?'.
- Use cpumask_available() instead of an implicit NULL check of a
cpumask_var_t in mmio trace to prevent a Clang build warning
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Merge tag 'x86-urgent-2020-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"Two fixes for x86:
- Unbreak stack dumps for inactive tasks by interpreting the special
first frame left by __switch_to_asm() correctly.
The recent change not to skip the first frame so ORC and frame
unwinder behave in the same way caused all entries to be
unreliable, i.e. prepended with '?'.
- Use cpumask_available() instead of an implicit NULL check of a
cpumask_var_t in mmio trace to prevent a Clang build warning"
* tag 'x86-urgent-2020-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/unwind/orc: Fix unwind_get_return_address_ptr() for inactive tasks
x86/mmiotrace: Use cpumask_available() for cpumask_var_t variables
- Fix handling of throttled parents in enqueue_task_fair() completely. The
recent fix overlooked a corner case where the first iteration terminates
do a entiry being on rq which makes the list management incomplete and
later triggers the assertion which checks for completeness.
- Fix a similar problem in unthrottle_cfs_rq().
- Show the correct uclamp values in procfs which prints the effective
value twice instead of requested and effective.
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Merge tag 'sched-urgent-2020-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Thomas Gleixner:
"A set of fixes for the scheduler:
- Fix handling of throttled parents in enqueue_task_fair() completely.
The recent fix overlooked a corner case where the first iteration
terminates due to an entity already being on the runqueue which
makes the list management incomplete and later triggers the
assertion which checks for completeness.
- Fix a similar problem in unthrottle_cfs_rq().
- Show the correct uclamp values in procfs which prints the effective
value twice instead of requested and effective"
* tag 'sched-urgent-2020-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Fix unthrottle_cfs_rq() for leaf_cfs_rq list
sched/debug: Fix requested task uclamp values shown in procfs
sched/fair: Fix enqueue_task_fair() warning some more
Pull networking fixes from David Miller:
1) Fix RCU warnings in ipv6 multicast router code, from Madhuparna
Bhowmik.
2) Nexthop attributes aren't being checked properly because of
mis-initialized iterator, from David Ahern.
3) Revert iop_idents_reserve() change as it caused performance
regressions and was just working around what is really a UBSAN bug
in the compiler. From Yuqi Jin.
4) Read MAC address properly from ROM in bmac driver (double iteration
proceeds past end of address array), from Jeremy Kerr.
5) Add Microsoft Surface device IDs to r8152, from Marc Payne.
6) Prevent reference to freed SKB in __netif_receive_skb_core(), from
Boris Sukholitko.
7) Fix ACK discard behavior in rxrpc, from David Howells.
8) Preserve flow hash across packet scrubbing in wireguard, from Jason
A. Donenfeld.
9) Cap option length properly for SO_BINDTODEVICE in AX25, from Eric
Dumazet.
10) Fix encryption error checking in kTLS code, from Vadim Fedorenko.
11) Missing BPF prog ref release in flow dissector, from Jakub Sitnicki.
12) dst_cache must be used with BH disabled in tipc, from Eric Dumazet.
13) Fix use after free in mlxsw driver, from Jiri Pirko.
14) Order kTLS key destruction properly in mlx5 driver, from Tariq
Toukan.
15) Check devm_platform_ioremap_resource() return value properly in
several drivers, from Tiezhu Yang.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (71 commits)
net: smsc911x: Fix runtime PM imbalance on error
net/mlx4_core: fix a memory leak bug.
net: ethernet: ti: cpsw: fix ASSERT_RTNL() warning during suspend
net: phy: mscc: fix initialization of the MACsec protocol mode
net: stmmac: don't attach interface until resume finishes
net: Fix return value about devm_platform_ioremap_resource()
net/mlx5: Fix error flow in case of function_setup failure
net/mlx5e: CT: Correctly get flow rule
net/mlx5e: Update netdev txq on completions during closure
net/mlx5: Annotate mutex destroy for root ns
net/mlx5: Don't maintain a case of del_sw_func being null
net/mlx5: Fix cleaning unmanaged flow tables
net/mlx5: Fix memory leak in mlx5_events_init
net/mlx5e: Fix inner tirs handling
net/mlx5e: kTLS, Destroy key object after destroying the TIS
net/mlx5e: Fix allowed tc redirect merged eswitch offload cases
net/mlx5: Avoid processing commands before cmdif is ready
net/mlx5: Fix a race when moving command interface to events mode
net/mlx5: Add command entry handling completion
rxrpc: Fix a memory leak in rxkad_verify_response()
...
Remove runtime PM usage counter decrement when the
increment function has not been called to keep the
counter balanced.
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'mlx5-fixes-2020-05-22' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 fixes 2020-05-22
This series introduces some fixes to mlx5 driver.
Please pull and let me know if there is any problem.
For -stable v4.13
('net/mlx5: Add command entry handling completion')
For -stable v5.2
('net/mlx5: Fix error flow in case of function_setup failure')
('net/mlx5: Fix memory leak in mlx5_events_init')
For -stable v5.3
('net/mlx5e: Update netdev txq on completions during closure')
('net/mlx5e: kTLS, Destroy key object after destroying the TIS')
('net/mlx5e: Fix inner tirs handling')
For -stable v5.6
('net/mlx5: Fix cleaning unmanaged flow tables')
('net/mlx5: Fix a race when moving command interface to events mode')
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In function mlx4_opreq_action(), pointer "mailbox" is not released,
when mlx4_cmd_box() return and error, causing a memory leak bug.
Fix this issue by going to "out" label, mlx4_free_cmd_mailbox() can
free this pointer.
Fixes: fe6f700d6c ("net/mlx4_core: Respond to operation request by firmware")
Signed-off-by: Qiushi Wu <wu000273@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
vlan_for_each() are required to be called with rtnl_lock taken, otherwise
ASSERT_RTNL() warning will be triggered - which happens now during System
resume from suspend:
cpsw_suspend()
|- cpsw_ndo_stop()
|- __hw_addr_ref_unsync_dev()
|- cpsw_purge_all_mc()
|- vlan_for_each()
|- ASSERT_RTNL();
Hence, fix it by surrounding cpsw_ndo_stop() by rtnl_lock/unlock() calls.
Fixes: 15180eca56 ("net: ethernet: ti: cpsw: fix vlan mcast")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
At the very end of the MACsec block initialization in the MSCC PHY
driver, the MACsec "protocol mode" is set. This setting should be set
based on the PHY id within the package, as the bank used to access the
register used depends on this. This was not done correctly, and only the
first bank was used leading to the two upper PHYs being unstable when
using the VSC8584. This patch fixes it.
Fixes: 1bbe0ecc2a ("net: phy: mscc: macsec initialization")
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 14b41a2959 ("net: stmmac: Delete txtimer in suspend") was the
first attempt to fix a race between mod_timer() and setup_timer()
during stmmac_resume(). However the issue still exists as the commit
only addressed half of the issue.
Same race can still happen as stmmac_resume() re-attaches interface
way too early - even before hardware is fully initialized. Worse,
doing so allows network traffic to restart and stmmac_tx_timer_arm()
being called in the middle of stmmac_resume(), which re-init tx timers
in stmmac_init_coalesce(). timer_list will be corrupted and system
crashes as a result of race between mod_timer() and setup_timer().
systemd--1995 2.... 552950018us : stmmac_suspend: 4994
ksoftirq-9 0..s2 553123133us : stmmac_tx_timer_arm: 2276
systemd--1995 0.... 553127896us : stmmac_resume: 5101
systemd--320 7...2 553132752us : stmmac_tx_timer_arm: 2276
(sd-exec-1999 5...2 553135204us : stmmac_tx_timer_arm: 2276
---------------------------------
pc : run_timer_softirq+0x468/0x5e0
lr : run_timer_softirq+0x570/0x5e0
Call trace:
run_timer_softirq+0x468/0x5e0
__do_softirq+0x124/0x398
irq_exit+0xd8/0xe0
__handle_domain_irq+0x6c/0xc0
gic_handle_irq+0x60/0xb0
el1_irq+0xb8/0x180
arch_cpu_idle+0x38/0x230
default_idle_call+0x24/0x3c
do_idle+0x1e0/0x2b8
cpu_startup_entry+0x28/0x48
secondary_start_kernel+0x1b4/0x208
Fix this by deferring netif_device_attach() to the end of
stmmac_resume().
Signed-off-by: Leon Yu <leoyu@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
The srmmu_nocache_init() uses __nocache_fix() macro to add an offset to
page table entry to access srmmu_nocache_pool.
But since sparc32 has only three actual page table levels, pgd, p4d and
pud are essentially the same thing and pgd_offset() and p4d_offset() are
no-ops, the __nocache_fix() should be done only at PUD level.
Remove __nocache_fix() for p4d_offset() and pud_offset() and keep it
only for PUD and lower levels.
Fixes: c2bc26f7ca ("sparc32: use PUD rather than PGD to get PMD in srmmu_nocache_init()")
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Merge misc fixes from Andrew Morton:
"11 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
MAINTAINERS: add files related to kdump
z3fold: fix use-after-free when freeing handles
sparc32: use PUD rather than PGD to get PMD in srmmu_nocache_init()
MAINTAINERS: update email address for Naoya Horiguchi
sh: include linux/time_types.h for sockios
kasan: disable branch tracing for core runtime
selftests/vm/write_to_hugetlbfs.c: fix unused variable warning
selftests/vm/.gitignore: add mremap_dontunmap
rapidio: fix an error in get_user_pages_fast() error handling
x86: bitops: fix build regression
device-dax: don't leak kernel memory to user space after unloading kmem
So, turns out the kobject fix didn't quite work, so here are 4 patches
that in the end, result in just 2 driver core fixes for reported issues
that no one has had problems with.
The kobject patch that was originally in here has now been reverted, as
Guenter reported boot problems with it on some of his systems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"So, turns out the kobject fix didn't quite work, so here are four
patches that in the end, result in just two driver core fixes for
reported issues that no one has had problems with.
The kobject patch that was originally in here has now been reverted,
as Guenter reported boot problems with it on some of his systems"
* tag 'driver-core-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
Revert "kobject: Make sure the parent does not get released before its children"
kobject: Make sure the parent does not get released before its children
driver core: Fix handling of SYNC_STATE_ONLY + STATELESS device links
driver core: Fix SYNC_STATE_ONLY device link implementation
Here are some small char/misc driver fixes for 5.7-rc7 that resolve some
reported issues. Included in here are tiny fixes for the mei,
coresight, rtsx, ipack, and mhi drivers.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Here are some small char/misc driver fixes for 5.7-rc7 that resolve
some reported issues. Included in here are tiny fixes for the mei,
coresight, rtsx, ipack, and mhi drivers.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
misc: rtsx: Add short delay after exit from ASPM
bus: mhi: core: Fix some error return code
ipack: tpci200: fix error return code in tpci200_register()
coresight: cti: remove incorrect NULL return check
mei: release me_cl object reference
Here are some small staging and IIO driver fixes for 5.7-rc7
Nothing major, just a collection of IIO driver fixes for reported
issues, and a few small staging driver fixes that people have found.
Full details are in the shortlog.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/iio fixes from Greg KH:
"Here are some small staging and IIO driver fixes for 5.7-rc7
Nothing major, just a collection of IIO driver fixes for reported
issues, and a few small staging driver fixes that people have found.
Full details are in the shortlog.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: wfx: unlock on error path
staging: greybus: Fix uninitialized scalar variable
staging: kpc2000: fix error return code in kp2000_pcie_probe()
iio: sca3000: Remove an erroneous 'get_device()'
iio: adc: stm32-dfsdm: fix device used to request dma
iio: adc: stm32-adc: fix device used to request dma
iio: adc: ti-ads8344: Fix channel selection
staging: iio: ad2s1210: Fix SPI reading
iio: dac: vf610: Fix an error handling path in 'vf610_dac_probe()'
iio: imu: st_lsm6dsx: unlock on error in st_lsm6dsx_shub_write_raw()
iio: chemical: atlas-sensor: correct DO-SM channels
Here is a single serial driver fix for 5.7-rc7. It resolves an issue
with the SiFive serial console init sequence that was reported a number
of times.
It has been in linux-next for a while now with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fix from Greg KH:
"Here is a single serial driver fix for 5.7-rc7. It resolves an issue
with the SiFive serial console init sequence that was reported a
number of times.
It has been in linux-next for a while now with no reported issues"
* tag 'tty-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: add missing spin_lock_init for SiFive serial console
- Add missing R_390_JMP_SLOT relocation type in KASLR code.
- Fix set_huge_pte_at for empty ptes issue which has been uncovered with
arch page table helper tests.
- Correct initrd location for kdump kernel.
- Fix s390_mmio_read/write with MIO in PCI code.
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Merge tag 's390-5.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Add missing R_390_JMP_SLOT relocation type in KASLR code.
- Fix set_huge_pte_at for empty ptes issue which has been uncovered
with arch page table helper tests.
- Correct initrd location for kdump kernel.
- Fix s390_mmio_read/write with MIO in PCI code.
* tag 's390-5.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/kaslr: add support for R_390_JMP_SLOT relocation type
s390/mm: fix set_huge_pte_at() for empty ptes
s390/kexec_file: fix initrd location for kdump kernel
s390/pci: Fix s390_mmio_read/write with MIO
Kdump is implemented based on kexec, however some files are only related
to crash dumping and missing, add them to KDUMP entry.
Signed-off-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Dave Young <dyoung@redhat.com>
Link: http://lkml.kernel.org/r/20200520103633.GW5029@MiWiFi-R3L-srv
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
free_handle() for a foreign handle may race with inter-page compaction,
what can lead to memory corruption.
To avoid that, take write lock not read lock in free_handle to be
synchronized with __release_z3fold_page().
For example KASAN can detect it:
==================================================================
BUG: KASAN: use-after-free in LZ4_decompress_safe+0x2c4/0x3b8
Read of size 1 at addr ffffffc976695ca3 by task GoogleApiHandle/4121
CPU: 0 PID: 4121 Comm: GoogleApiHandle Tainted: P S OE 4.19.81-perf+ #162
Hardware name: Sony Mobile Communications. PDX-203(KONA) (DT)
Call trace:
LZ4_decompress_safe+0x2c4/0x3b8
lz4_decompress_crypto+0x3c/0x70
crypto_decompress+0x58/0x70
zcomp_decompress+0xd4/0x120
...
Apart from that, initialize zhdr->mapped_count in init_z3fold_page() and
remove "newpage" variable because it is not used anywhere.
Signed-off-by: Uladzislau Rezki <uladzislau.rezki@sony.com>
Signed-off-by: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Qian Cai <cai@lca.pw>
Cc: Raymond Jennings <shentino@gmail.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20200520082100.28876-1-vitaly.wool@konsulko.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The kbuild test robot reported the following warning:
arch/sparc/mm/srmmu.c: In function 'srmmu_nocache_init': arch/sparc/mm/srmmu.c:300:9: error: variable 'pud' set but not used [-Werror=unused-but-set-variable]
300 | pud_t *pud;
This warning is caused by misprint in the page table traversal in
srmmu_nocache_init() function which accessed a PMD entry using PGD
rather than PUD.
Since sparc32 has only 3 page table levels, the PGD and PUD are
essentially the same and usage of __nocache_fix() removed the type
checking.
Use PUD for the consistency and to silence the compiler warning.
Fixes: 7235db268a ("sparc32: use pgtable-nopud instead of 4level-fixup")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20200520132005.GM1059226@linux.ibm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
My email address has changed due to system upgrade, so please update it
in MAINTAINERS list. My old address (n-horiguchi@ah.jp.nec.com) will be
still active for a few months.
Note that my email system has some encoding issue and can't send patches
in raw format via git-send-email. So patches from me will be delivered
via my free address (nao.horiguchi@gmail.com) or GitHub.
Signed-off-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1589874488-9247-1-git-send-email-naoya.horiguchi@nec.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Using the socket ioctls on arch/sh (and only there) causes build time
problems when __kernel_old_timeval/__kernel_old_timespec are not already
visible to the compiler.
Add an explict include line for the header that defines these
structures.
Fixes: 8c709f9a06 ("y2038: sh: remove timeval/timespec usage from headers")
Fixes: 0768e17073 ("net: socket: implement 64-bit timestamps")
Reported-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20200519131327.1836482-1-arnd@arndb.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
During early boot, while KASAN is not yet initialized, it is possible to
enter reporting code-path and end up in kasan_report().
While uninitialized, the branch there prevents generating any reports,
however, under certain circumstances when branches are being traced
(TRACE_BRANCH_PROFILING), we may recurse deep enough to cause kernel
reboots without warning.
To prevent similar issues in future, we should disable branch tracing
for the core runtime.
[elver@google.com: remove duplicate DISABLE_BRANCH_PROFILING, per Qian Cai]
Link: https://lore.kernel.org/lkml/20200517011732.GE24705@shao2-debian/
Link: http://lkml.kernel.org/r/20200522075207.157349-1-elver@google.com
Reported-by: kernel test robot <rong.a.chen@intel.com>
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Qian Cai <cai@lca.pw>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r//20200517011732.GE24705@shao2-debian/
Link: http://lkml.kernel.org/r/20200519182459.87166-1-elver@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
In the case of get_user_pages_fast() returning fewer pages than
requested, rio_dma_transfer() does not quite do the right thing. It
attempts to release all the pages that were requested, rather than just
the pages that were pinned.
Fix the error handling so that only the pages that were successfully
pinned are released.
Fixes: e8de370188 ("rapidio: add mport char device driver")
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Alexandre Bounine <alex.bou9@gmail.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20200517235620.205225-2-jhubbard@nvidia.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This is easily reproducible via CC=clang + CONFIG_STAGING=y +
CONFIG_VT6656=m.
It turns out that if your config tickles __builtin_constant_p via
differences in choices to inline or not, these statements produce
invalid assembly:
$ cat foo.c
long a(long b, long c) {
asm("orb %1, %0" : "+q"(c): "r"(b));
return c;
}
$ gcc foo.c
foo.c: Assembler messages:
foo.c:2: Error: `%rax' not allowed with `orb'
Use the `%b` "x86 Operand Modifier" to instead force register allocation
to select a lower-8-bit GPR operand.
The "q" constraint only has meaning on -m32 otherwise is treated as
"r". Not all GPRs have low-8-bit aliases for -m32.
Fixes: 1651e70066 ("x86: Fix bitops.h warning with a moved cast")
Reported-by: kernelci.org bot <bot@kernelci.org>
Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Suggested-by: Brian Gerst <brgerst@gmail.com>
Suggested-by: H. Peter Anvin <hpa@zytor.com>
Suggested-by: Ilie Halip <ilie.halip@gmail.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Tested-by: Nathan Chancellor <natechancellor@gmail.com> [build, clang-11]
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-By: Brian Gerst <brgerst@gmail.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Marco Elver <elver@google.com>
Cc: "Paul E. McKenney" <paulmck@kernel.org>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Daniel Axtens <dja@axtens.net>
Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20200508183230.229464-1-ndesaulniers@google.com
Link: https://github.com/ClangBuiltLinux/linux/issues/961
Link: https://lore.kernel.org/lkml/20200504193524.GA221287@google.com/
Link: https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html#x86Operandmodifiers
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Assume we have kmem configured and loaded:
[root@localhost ~]# cat /proc/iomem
...
140000000-33fffffff : Persistent Memory$
140000000-1481fffff : namespace0.0
150000000-33fffffff : dax0.0
150000000-33fffffff : System RAM
Assume we try to unload kmem. This force-unloading will work, even if
memory cannot get removed from the system.
[root@localhost ~]# rmmod kmem
[ 86.380228] removing memory fails, because memory [0x0000000150000000-0x0000000157ffffff] is onlined
...
[ 86.431225] kmem dax0.0: DAX region [mem 0x150000000-0x33fffffff] cannot be hotremoved until the next reboot
Now, we can reconfigure the namespace:
[root@localhost ~]# ndctl create-namespace --force --reconfig=namespace0.0 --mode=devdax
[ 131.409351] nd_pmem namespace0.0: could not reserve region [mem 0x140000000-0x33fffffff]dax
[ 131.410147] nd_pmem: probe of namespace0.0 failed with error -16namespace0.0 --mode=devdax
...
This fails as expected due to the busy memory resource, and the memory
cannot be used. However, the dax0.0 device is removed, and along its
name.
The name of the memory resource now points at freed memory (name of the
device):
[root@localhost ~]# cat /proc/iomem
...
140000000-33fffffff : Persistent Memory
140000000-1481fffff : namespace0.0
150000000-33fffffff : �_�^7_��/_��wR��WQ���^��� ...
150000000-33fffffff : System RAM
We have to make sure to duplicate the string. While at it, remove the
superfluous setting of the name and fixup a stale comment.
Fixes: 9f960da72b ("device-dax: "Hotremove" persistent memory that is used like normal RAM")
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: <stable@vger.kernel.org> [5.3]
Link: http://lkml.kernel.org/r/20200508084217.9160-2-david@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This reverts commit 4ef12f7198.
Guenter reports:
All my arm64be (arm64 big endian) boot tests crash with this
patch applied. Reverting it fixes the problem. Crash log and
bisect results (from pending-fixes branch) below.
And also:
arm64 images don't crash but report lots of "poison overwritten"
backtraces like the one below. On arm, I see "refcount_t:
underflow", also attached. I didn't bisect those, but given the
context I would suspect the same culprit.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200513151840.36400-1-heikki.krogerus@linux.intel.com
Cc: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: kernel test robot <rong.a.chen@intel.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Brendan Higgins <brendanhiggins@google.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A rather late final set to pick up a couple of new drivers, a bunch
of cleanup and some fixes that can wait for the merge window.
In particularly I'd like to highlight the great core and driver
cleanup work that the Alex and the team at Analog devices are currently
doing. Should see lots more of that in the next cycle give what is
currently under review.
This pull also has the first few fixes squashing a class of alignment
and small kernel data leak bugs that Lars-Peter Clausen picked up
on in a review. Quite a few more of those to come. They've been
there a long time so we aren't rushing the reviews.
New device support
* atlas ezo
- new driver supporting this range of chemical and similar sensors
with the odd interface of ascii strings over i2c.
* bma180
- bma023, bma150 and smb380 support. Note these are currently also
supported by a driver in input which we will hopefully remove
(eventually). There are Kconfig protections to avoid a clash
in the meantime.
* vcnl3020
- new driver for this proximity sensor.
Core change
* during buffer updates, change the current state variable before
we actually call pre and post enable callbacks so drivers can know
where we are going. Note this is a precursor to only exposing
one enable callback to drivers. The (false) logic behind having two
such callbacks has long been fixed, but only now is the mess getting
cleaned up.
Features
* exynos adc.
- add reporting of channels scale values.
Cleanups and minor fixes.
* core
- drop now unused attrcount_orig variable.
* ad5360, ad5446, ad5449, ad5755, ad5761, ad5764, ad5380, ad5421,
ad5592, ad5686 and vf610_dac
- remove direct use of iio_dev->mlock from all these drivers.
Its semantics used to be poorly defined, but now it is for core
use only. Removing it's use in drivers has been a long process
of which this is the latest step!
* exynos_adc
- drop a pointless check on the phy as the driver doesn't access it.
* ping
- avoid a dance from iio_priv and iio_priv_to_dev back again by
just passing the iio_dev into the functions.
* pms7003
- alignment and potential data leak fix.
* sps30
- alignment bug fix.
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Merge tag 'iio-for-5.8c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Third set of IIO new device support, cleanups etc for the 5.8 cycle.
A rather late final set to pick up a couple of new drivers, a bunch
of cleanup and some fixes that can wait for the merge window.
In particularly I'd like to highlight the great core and driver
cleanup work that the Alex and the team at Analog devices are currently
doing. Should see lots more of that in the next cycle give what is
currently under review.
This pull also has the first few fixes squashing a class of alignment
and small kernel data leak bugs that Lars-Peter Clausen picked up
on in a review. Quite a few more of those to come. They've been
there a long time so we aren't rushing the reviews.
New device support
* atlas ezo
- new driver supporting this range of chemical and similar sensors
with the odd interface of ascii strings over i2c.
* bma180
- bma023, bma150 and smb380 support. Note these are currently also
supported by a driver in input which we will hopefully remove
(eventually). There are Kconfig protections to avoid a clash
in the meantime.
* vcnl3020
- new driver for this proximity sensor.
Core change
* during buffer updates, change the current state variable before
we actually call pre and post enable callbacks so drivers can know
where we are going. Note this is a precursor to only exposing
one enable callback to drivers. The (false) logic behind having two
such callbacks has long been fixed, but only now is the mess getting
cleaned up.
Features
* exynos adc.
- add reporting of channels scale values.
Cleanups and minor fixes.
* core
- drop now unused attrcount_orig variable.
* ad5360, ad5446, ad5449, ad5755, ad5761, ad5764, ad5380, ad5421,
ad5592, ad5686 and vf610_dac
- remove direct use of iio_dev->mlock from all these drivers.
Its semantics used to be poorly defined, but now it is for core
use only. Removing it's use in drivers has been a long process
of which this is the latest step!
* exynos_adc
- drop a pointless check on the phy as the driver doesn't access it.
* ping
- avoid a dance from iio_priv and iio_priv_to_dev back again by
just passing the iio_dev into the functions.
* pms7003
- alignment and potential data leak fix.
* sps30
- alignment bug fix.
* tag 'iio-for-5.8c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (31 commits)
iio:chemical:pms7003: Fix timestamp alignment and prevent data leak.
iio:chemical:sps30: Fix timestamp alignment
iio: adc: stm32-adc: fix a wrong error message when probing interrupts
iio: light: gp2ap002: Take runtime PM reference on light read
iio: proximity: ping: pass reference to IIO device as param to ping_read()
iio: dac: ad5592r-base: Replace indio_dev->mlock with own device lock
iio: proximity: Add driver support for vcnl3020 proximity sensor
dt-bindings: proximity: provide vcnl3020 device tree binding document
iio: buffer: remove attrcount_orig var from sysfs creation
iio: chemical: add atlas-ezo-sensor initial support
dt-bindings: iio: chemical: add CO2 EZO module documentation
iio: adc: exynos: Simplify Exynos7-specific init
iio: adc: Add scaling support to exynos adc driver
iio: __iio_update_buffers: Update mode before preenable/after postdisable
iio: dac: vf610_dac: Replace indio_dev->mlock with own device lock
iio: dac: ad5686: Replace indio_dev->mlock with own device lock
iio: dac: ad5421: Replace indio_dev->mlock with own device lock
iio: dac: ad5380: Replace indio_dev->mlock with own device lock
iio: dac: ad5764: Replace indio_dev->mlock with own device lock
iio: dac: ad5761: Replace indio_dev->mlock with own device lock
...
Three minor fixes, two in drivers, one to fix a hang after reset with
iSCSI, and one to avoid a spurious log message; and the final core one
to correct a suspend/resume miscount with quiesced devices.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Three minor fixes, two in drivers, one to fix a hang after reset with
iSCSI, and one to avoid a spurious log message; and the final core one
to correct a suspend/resume miscount with quiesced devices"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: target: Put lun_ref at end of tmr processing
scsi: pm: Balance pm_only counter of request queue during system resume
scsi: qla2xxx: Do not log message when reading port speed via sysfs
vmwgfx:
- change maintainers
- fix redundant assignment
- fix parameter name
- fix return value
etnaviv:
- memory leak fix when userspace passes a invalid softpin address
- off-by-one crashing the kernel in the perfmon domain iteration when
the GPU core has both 2D and 3D capabilities
amdgpu:
- DP fix
- Floating point fix
- Fix cursor stutter issue
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Merge tag 'drm-fixes-2020-05-23' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Things seemed to have quieten down, though no i915 pull (I even gave
them an extra 12 hours in case they were late).
The amdgpu floating point fix is probably the largest, but it just
moves some code around to it doesn't do fpu stuff outside the fpu
boundaries. Otherwise it's just a couple of vmwgfx fixes (maintainer
change) and two etnaviv fixes.
vmwgfx:
- change maintainers
- fix redundant assignment
- fix parameter name
- fix return value
etnaviv:
- memory leak fix when userspace passes a invalid softpin address
- off-by-one crashing the kernel in the perfmon domain iteration when
the GPU core has both 2D and 3D capabilities
amdgpu:
- DP fix
- Floating point fix
- Fix cursor stutter issue"
* tag 'drm-fixes-2020-05-23' of git://anongit.freedesktop.org/drm/drm:
drm/amd/display: Defer cursor lock until after VUPDATE
drm/amd/display: Remove dml_common_def file
drm/amd/display: DP training to set properly SCRAMBLING_DISABLE
drm/edid: Add Oculus Rift S to non-desktop list
drm/etnaviv: Fix a leak in submit_pin_objects()
drm/etnaviv: fix perfmon domain interation
drm/vmwgfx: Return true in function vmw_fence_obj_signaled()
drm/vmwgfx: remove redundant assignment to variable ret
drm/vmwgfx: Fix parameter name in vmw_bo_init
drm/vmwgfx: update MAINTAINERS entry
Currently, if an error occurred during mlx5_function_setup(), we
keep dev->state as DEVICE_STATE_UP.
Fixing it by adding a goto label.
Fixes: e161105e58 ("net/mlx5: Function setup/teardown procedures")
Signed-off-by: Shay Drory <shayd@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
The correct way is to us the flow_cls_offload_flow_rule() wrapper
instead of f->rule directly.
Fixes: 4c3844d9e9 ("net/mlx5e: CT: Introduce connection tracking")
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
On sq closure when we free its descriptors, we should also update netdev
txq on completions which would not arrive. Otherwise if we reopen sqs
and attach them back, for example on fw fatal recovery flow, we may get
tx timeout.
Fixes: 29429f3300 ("net/mlx5e: Timeout if SQ doesn't flush during close")
Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Add del_sw_func cb for root ns. Now there is no need to
maintain a case of del_sw_func being null when freeing the node.
Fixes: 2cc43b494a ("net/mlx5_core: Managing root flow table")
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
