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The rule of mainmenu_stmt does not have debug print of zconf_lineno(),
but if it had, it would print a wrong line number for the same reason
as commit b2d00d7c61c8 ("kconfig: fix line numbers for if-entries in
menu tree").
The mainmenu_stmt does not need to eat following empty lines because
they are reduced to common_stmt.
Signed-off-by: Masahiro Yamada <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Eight fixes.
The most important one is the mpt3sas fix which makes the driver work
again on big endian systems. The rest are mostly minor error path or
checker issues and the vmw_scsi one fixes a performance problem"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: vmw_pvscsi: Return DID_RESET for status SAM_STAT_COMMAND_TERMINATED
scsi: sr: Avoid that opening a CD-ROM hangs with runtime power management enabled
scsi: mpt3sas: Swap I/O memory read value back to cpu endianness
scsi: fcoe: clear FC_RP_STARTED flags when receiving a LOGO
scsi: fcoe: drop frames in ELS LOGO error path
scsi: fcoe: fix use-after-free in fcoe_ctlr_els_send
scsi: qedi: Fix a potential buffer overflow
scsi: qla2xxx: Fix memory leak for allocating abort IOCB
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This is purely a preparatory patch for upcoming changes during the 4.19
merge window.
We have a function called "boot_cpu_state_init()" that isn't really
about the bootup cpu state: that is done much earlier by the similarly
named "boot_cpu_init()" (note lack of "state" in name).
This function initializes some hotplug CPU state, and needs to run after
the percpu data has been properly initialized. It even has a comment to
that effect.
Except it _doesn't_ actually run after the percpu data has been properly
initialized. On x86 it happens to do that, but on at least arm and
arm64, the percpu base pointers are initialized by the arch-specific
'smp_prepare_boot_cpu()' hook, which ran _after_ boot_cpu_state_init().
This had some unexpected results, and in particular we have a patch
pending for the merge window that did the obvious cleanup of using
'this_cpu_write()' in the cpu hotplug init code:
- per_cpu_ptr(&cpuhp_state, smp_processor_id())->state = CPUHP_ONLINE;
+ this_cpu_write(cpuhp_state.state, CPUHP_ONLINE);
which is obviously the right thing to do. Except because of the
ordering issue, it actually failed miserably and unexpectedly on arm64.
So this just fixes the ordering, and changes the name of the function to
be 'boot_cpu_hotplug_init()' to make it obvious that it's about cpu
hotplug state, because the core CPU state was supposed to have already
been done earlier.
Marked for stable, since the (not yet merged) patch that will show this
problem is marked for stable.
Reported-by: Vlastimil Babka <[email protected]>
Reported-by: Mian Yousaf Kaukab <[email protected]>
Suggested-by: Catalin Marinas <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]>
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Pull vfs fixes from Al Viro:
"A bunch of race fixes, mostly around lazy pathwalk.
All of it is -stable fodder, a large part going back to 2013"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
make sure that __dentry_kill() always invalidates d_seq, unhashed or not
fix __legitimize_mnt()/mntput() race
fix mntput/mntput race
root dentries need RCU-delayed freeing
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Fuzzing tool reports a write to null pointer error in the
xfs_bmap_extents_to_btree, fix it by bailing out on encountering
a null pointer.
Signed-off-by: Shan Hai <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Darrick J. Wong <[email protected]>
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The old lock tracking infrastructure in xfs using the b_last_holder
field seems to only be useful if you can get into the system with a
debugger; it seems that the existing tracepoints would be the way to
go these days, and this old infrastructure can be removed.
Signed-off-by: Eric Sandeen <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Darrick J. Wong <[email protected]>
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Instead of open-coding pos & (PAGE_SIZE - 1) and pos & ~PAGE_MASK, use
the offset_in_page macro.
Signed-off-by: Andreas Gruenbacher <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Darrick J. Wong <[email protected]>
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This patch is the duplicate of ross's fix for ext4 for xfs.
If the refcount of a page is lowered between the time that it is returned
by dax_busy_page() and when the refcount is again checked in
xfs_break_layouts() => ___wait_var_event(), the waiting function
xfs_wait_dax_page() will never be called. This means that
xfs_break_layouts() will still have 'retry' set to false, so we'll stop
looping and never check the refcount of other pages in this inode.
Instead, always continue looping as long as dax_layout_busy_page() gives us
a page which it found with an elevated refcount.
Signed-off-by: Dave Jiang <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Darrick J. Wong <[email protected]>
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Preparation for 4.19 merge material.
Signed-off-by: Takashi Iwai <[email protected]>
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For legacy queues the only call of blkg_root_lookup() happens after
bypass mode has been enabled. Since blkg_lookup() returns NULL for
queues in bypass mode, modify the blkg_root_lookup() such that it
no longer depends on bypass mode. Rename the function into
blk_queue_root_blkg() as suggested by Tejun.
Suggested-by: Tejun Heo <[email protected]>
Fixes: 6bad9b210a22 ("blkcg: Introduce blkg_root_lookup()")
Signed-off-by: Bart Van Assche <[email protected]>
Cc: Tejun Heo <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Pull networking fixes from David Miller:
"Last bit of straggler fixes...
1) Fix btf library licensing to LGPL, from Martin KaFai lau.
2) Fix error handling in bpf sockmap code, from Daniel Borkmann.
3) XDP cpumap teardown handling wrt. execution contexts, from Jesper
Dangaard Brouer.
4) Fix loss of runtime PM on failed vlan add/del, from Ivan
Khoronzhuk.
5) xen-netfront caches skb_shinfo(skb) across a __pskb_pull_tail()
call, which potentially changes the skb's data buffer, and thus
skb_shinfo(). Fix from Juergen Gross"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
xen/netfront: don't cache skb_shinfo()
net: ethernet: ti: cpsw: fix runtime_pm while add/kill vlan
net: ethernet: ti: cpsw: clear all entries when delete vid
xdp: fix bug in devmap teardown code path
samples/bpf: xdp_redirect_cpu adjustment to reproduce teardown race easier
xdp: fix bug in cpumap teardown code path
bpf, sockmap: fix cork timeout for select due to epipe
bpf, sockmap: fix leak in bpf_tcp_sendmsg wait for mem path
bpf, sockmap: fix bpf_tcp_sendmsg sock error handling
bpf: btf: Change tools/lib/bpf/btf to LGPL
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skb_shinfo() can change when calling __pskb_pull_tail(): Don't cache
its return value.
Cc: [email protected]
Signed-off-by: Juergen Gross <[email protected]>
Reviewed-by: Wei Liu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Grygorii Strashko says:
====================
net: ethernet: ti: cpsw: fix runtime pm while add/del reserved vid
Here 2 not critical fixes for:
- vlan ale table leak while error if deleting vlan (simplifies next fix)
- runtime pm while try to set reserved vlan
====================
Reviewed-by: Grygorii Strashko <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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It's exclusive with normal behaviour but if try to set vlan to one of
the reserved values is made, the cpsw runtime pm is broken.
Fixes: a6c5d14f5136 ("drivers: net: cpsw: ndev: fix accessing to suspended device")
Signed-off-by: Ivan Khoronzhuk <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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In cases if some of the entries were not found in forwarding table
while killing vlan, the rest not needed entries still left in the
table. No need to stop, as entry was deleted anyway. So fix this by
returning error only after all was cleaned. To implement this, return
-ENOENT in cpsw_ale_del_mcast() as it's supposed to be.
Signed-off-by: Ivan Khoronzhuk <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The driver uses genalloc functions. Select GENERIC_ALLOCATOR to prevent
build errors when selected through COMPILE_TEST.
Fixes: 88a40e7dca00 ("mtd: rawnand: atmel: Allow selection of this driver when COMPILE_TEST=y")
Reported-by: Randy Dunlap <[email protected]>
Signed-off-by: Boris Brezillon <[email protected]>
Acked-by: Miquel Raynal <[email protected]>
Acked-by: Randy Dunlap <[email protected]>
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Pull SPI NOR updates from Boris Brezillon:
"
Core changes:
- Apply reset hacks only when reset is explicitly marked as broken in
the DT
Driver changes:
- Minor cleanup/fixes in the m25p80 driver
- Release flash_np in the nxp-spifi driver
- Add suspend/resume hooks to the atmel-quadspi driver
- Include gpio/consumer.h instead of gpio.h in the atmel-quadspi driver
- Use %pK instead of %p in the stm32-quadspi driver
- Improve timeout handling in the cadence-quadspi driver
- Use mtd_device_register() instead of mtd_device_parse_register() in
the intel-spi driver
"
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Pull NAND updates from Miquel Raynal:
"
NAND core changes:
- Add the SPI-NAND framework.
- Create a helper to find the best ECC configuration.
- Create NAND controller operations.
- Allocate dynamically ONFI parameters structure.
- Add defines for ONFI version bits.
- Add manufacturer fixup for ONFI parameter page.
- Add an option to specify NAND chip as a boot device.
- Add Reed-Solomon error correction algorithm.
- Better name for the controller structure.
- Remove unused caller_is_module() definition.
- Make subop helpers return unsigned values.
- Expose _notsupp() helpers for raw page accessors.
- Add default values for dynamic timings.
- Kill the chip->scan_bbt() hook.
- Rename nand_default_bbt() into nand_create_bbt().
- Start to clean the nand_chip structure.
- Remove stale prototype from rawnand.h.
Raw NAND controllers drivers changes:
- Qcom: structuring cleanup.
- Denali: use core helper to find the best ECC configuration.
- Possible build of almost all drivers by adding a dependency on
COMPILE_TEST for almost all of them in Kconfig, implies various
fixes, Kconfig cleanup, GPIO headers inclusion cleanup, and even
changes in sparc64 and ia64 architectures.
- Clean the ->probe() functions error path of a lot of drivers.
- Migrate all drivers to use nand_scan() instead of
nand_scan_ident()/nand_scan_tail() pair.
- Use mtd_device_register() where applicable to simplify the code.
- Marvell:
* Handle on-die ECC.
* Better clocks handling.
* Remove bogus comment.
* Add suspend and resume support.
- Tegra: add NAND controller driver.
- Atmel:
* Add module param to avoid using dma.
* Drop Wenyou Yang from MAINTAINERS.
- Denali: optimize timings handling.
- FSMC: Stop using chip->read_buf().
- FSL:
* Switch to SPDX license tag identifiers.
* Fix qualifiers in MXC init functions.
Raw NAND chip drivers changes:
- Micron:
* Add fixup for ONFI revision.
* Update ecc_stats.corrected.
* Make ECC activation stateful.
* Avoid enabling/disabling ECC when it can't be disabled.
* Get the actual number of bitflips.
* Allow forced on-die ECC.
* Support 8/512 on-die ECC.
* Fix on-die ECC detection logic.
- Hynix:
* Fix decoding the OOB size on H27UCG8T2BTR.
* Use ->exec_op() in hynix_nand_reg_write_op().
"
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If zram supports writeback feature, it's no longer a
BD_CAP_SYNCHRONOUS_IO device beause zram does asynchronous IO operations
for incompressible pages.
Do not pretend to be synchronous IO device. It makes the system very
sluggish due to waiting for IO completion from upper layers.
Furthermore, it causes a user-after-free problem because swap thinks the
opearion is done when the IO functions returns so it can free the page
(e.g., lock_page_or_retry and goto out_release in do_swap_page) but in
fact, IO is asynchronous so the driver could access a just freed page
afterward.
This patch fixes the problem.
BUG: Bad page state in process qemu-system-x86 pfn:3dfab21
page:ffffdfb137eac840 count:0 mapcount:0 mapping:0000000000000000 index:0x1
flags: 0x17fffc000000008(uptodate)
raw: 017fffc000000008 dead000000000100 dead000000000200 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_PREP flag set
bad because of flags: 0x8(uptodate)
CPU: 4 PID: 1039 Comm: qemu-system-x86 Tainted: G B 4.18.0-rc5+ #1
Hardware name: Supermicro Super Server/X10SRL-F, BIOS 2.0b 05/02/2017
Call Trace:
dump_stack+0x5c/0x7b
bad_page+0xba/0x120
get_page_from_freelist+0x1016/0x1250
__alloc_pages_nodemask+0xfa/0x250
alloc_pages_vma+0x7c/0x1c0
do_swap_page+0x347/0x920
__handle_mm_fault+0x7b4/0x1110
handle_mm_fault+0xfc/0x1f0
__get_user_pages+0x12f/0x690
get_user_pages_unlocked+0x148/0x1f0
__gfn_to_pfn_memslot+0xff/0x3c0 [kvm]
try_async_pf+0x87/0x230 [kvm]
tdp_page_fault+0x132/0x290 [kvm]
kvm_mmu_page_fault+0x74/0x570 [kvm]
kvm_arch_vcpu_ioctl_run+0x9b3/0x1990 [kvm]
kvm_vcpu_ioctl+0x388/0x5d0 [kvm]
do_vfs_ioctl+0xa2/0x630
ksys_ioctl+0x70/0x80
__x64_sys_ioctl+0x16/0x20
do_syscall_64+0x55/0x100
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Link: https://lore.kernel.org/lkml/[email protected]/
Link: http://lkml.kernel.org/r/[email protected]
[[email protected]: fix changelog, add comment]
Link: https://lore.kernel.org/lkml/[email protected]/
Link: http://lkml.kernel.org/r/[email protected]
Link: http://lkml.kernel.org/r/[email protected]
[[email protected]: coding-style fixes]
Signed-off-by: Minchan Kim <[email protected]>
Reported-by: Tino Lehnig <[email protected]>
Tested-by: Tino Lehnig <[email protected]>
Cc: Sergey Senozhatsky <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: <[email protected]> [4.15+]
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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ioremap_prot() can return NULL which could lead to an oops.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: chen jie <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Cc: Li Zefan <[email protected]>
Cc: chenjie <[email protected]>
Cc: Yang Shi <[email protected]>
Cc: Alexey Dobriyan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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With gcc-8 fsanitize=null become very noisy. GCC started to complain
about things like &a->b, where 'a' is NULL pointer. There is no NULL
dereference, we just calculate address to struct member. It's
technically undefined behavior so UBSAN is correct to report it. But as
long as there is no real NULL-dereference, I think, we should be fine.
-fno-delete-null-pointer-checks compiler flag should protect us from any
consequences. So let's just no use -fsanitize=null as it's not useful
for us. If there is a real NULL-deref we will see crash. Even if
userspace mapped something at NULL (root can do this), with things like
SMAP should catch the issue.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Andrey Ryabinin <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This entry was created with my personal e-mail address. Update this entry
to my open-source kernel.org account.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Kieran Bingham <[email protected]>
Cc: Jan Kiszka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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We really, really don't want to be encouraging people to use
cifs (the dialect) since it is insecure, so to avoid confusion
we want to move them to names which include 'smb3' instead of
'cifs' - so this simply creates an alias for the pseudo-xattrs
e.g. can now do:
getfattr -n user.smb3.creationtime /mnt1/file
and
getfattr -n user.smb3.dosattrib /mnt1/file
and
getfattr -n system.smb3_acl /mnt1/file
instead of forcing you to use the string 'cifs' in
these (e.g. getfattr -n system.cifs_acl /mnt1/file)
Signed-off-by: Steve French <[email protected]>
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Fix typos, line length, grammar, punctuation, and capitalization
in console.txt.
Signed-off-by: Randy Dunlap <[email protected]>
Cc: Antonino A. Daplas <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Update ioctl-number.txt for ioctl's that are defined in
<media/v4l2-subdev.h>.
Signed-off-by: Randy Dunlap <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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This small commit replaces gendered pronouns for neutral ones.
Signed-off-by: Fox Foster <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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This is harmless, but "val" isn't necessarily initialized if
abx500_get_register_interruptible() fails. I've re-arranged the code to
just return an error code in that situation.
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
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There is no check that allocation in axp20x_funcs_groups_from_mask
is successful.
The patch adds corresponding check and return values.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Anton Vasilyev <[email protected]>
Acked-by: Chen-Yu Tsai <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
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Double "wakeup" appears in printed message.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
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The user page-table gets the updated kernel mappings in pti_finalize(),
which runs after the RO+X permissions got applied to the kernel page-table
in mark_readonly().
But with CONFIG_DEBUG_WX enabled, the user page-table is already checked in
mark_readonly() for insecure mappings. This causes false-positive
warnings, because the user page-table did not get the updated mappings yet.
Move the W+X check for the user page-table into pti_finalize() after it
updated all required mappings.
[ tglx: Folded !NX supported fix ]
Signed-off-by: Joerg Roedel <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: "H . Peter Anvin" <[email protected]>
Cc: [email protected]
Cc: Linus Torvalds <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Juergen Gross <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Jiri Kosina <[email protected]>
Cc: Boris Ostrovsky <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: David Laight <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Greg KH <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: Andrea Arcangeli <[email protected]>
Cc: Waiman Long <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: "David H . Gutteridge" <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
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Rebuild the AGI header items with some help from the rmapbt.
Signed-off-by: Darrick J. Wong <[email protected]>
Reviewed-by: Brian Foster <[email protected]>
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Repair the AGFL from the rmap data.
Signed-off-by: Darrick J. Wong <[email protected]>
Reviewed-by: Brian Foster <[email protected]>
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Regenerate the AGF from the rmap data.
Signed-off-by: Darrick J. Wong <[email protected]>
Reviewed-by: Brian Foster <[email protected]>
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Commit ea8c5356d390 ("bcache: set max writeback rate when I/O request
is idle") changes struct bch_ratelimit member rate from uint32_t to
atomic_long_t and uses atomic_long_set() in drivers/md/bcache/sysfs.c
to set new writeback rate, after the input is converted from memory
buf to long int by sysfs_strtoul_clamp().
The above change has a problem because there is an implicit return
inside sysfs_strtoul_clamp() so the following atomic_long_set()
won't be called. This error is detected by 0day system with following
snipped smatch warnings:
drivers/md/bcache/sysfs.c:271 __cached_dev_store() error: uninitialized
symbol 'v'.
270 sysfs_strtoul_clamp(writeback_rate, v, 1, INT_MAX);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@271 atomic_long_set(&dc->writeback_rate.rate, v);
This patch fixes the above error by using strtoul_safe_clamp() to
convert the input buffer into a long int type result.
Fixes: ea8c5356d390 ("bcache: set max writeback rate when I/O request is idle")
Cc: Kai Krakow <[email protected]>
Cc: Stefan Priebe <[email protected]>
Signed-off-by: Coly Li <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fix from Wolfram Sang:
"A single driver bugfix for I2C.
The bug was found by systematically stress testing the driver, so I am
confident to merge it that late in the cycle although it is probably
unusually large"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: xlp9xx: Fix case where SSIF read transaction completes early
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mounting with the "snapshots=" mount parm allows a read-only
view of a previous version of a file system (see MS-SMB2
and "timewarp" tokens, section 2.2.13.2.6) based on the timestamp
passed in on the snapshots mount parm.
Add processing to optionally send this create context.
Example output:
/mnt1 is mounted with "snapshots=..." and will see an earlier
version of the directory, with three fewer files than /mnt2
the current version of the directory.
root@Ubuntu-17-Virtual-Machine:~/cifs-2.6# cat /proc/mounts | grep cifs
//172.22.149.186/public /mnt1 cifs
ro,relatime,vers=default,cache=strict,username=smfrench,uid=0,noforceuid,gid=0,noforcegid,addr=172.22.149.186,file_mode=0755,dir_mode=0755,soft,nounix,mapposix,rsize=1048576,wsize=1048576,echo_interval=60,snapshot=131748608570000000,actimeo=1
//172.22.149.186/public /mnt2 cifs
rw,relatime,vers=default,cache=strict,username=smfrench,uid=0,noforceuid,gid=0,noforcegid,addr=172.22.149.186,file_mode=0755,dir_mode=0755,soft,nounix,mapposix,rsize=1048576,wsize=1048576,echo_interval=60,actimeo=1
root@Ubuntu-17-Virtual-Machine:~/cifs-2.6# ls /mnt1
EmptyDir newerdir
root@Ubuntu-17-Virtual-Machine:~/cifs-2.6# ls /mnt1/newerdir
root@Ubuntu-17-Virtual-Machine:~/cifs-2.6# ls /mnt2
EmptyDir file newerdir newestdir timestamp-trace.cap
root@Ubuntu-17-Virtual-Machine:~/cifs-2.6# ls /mnt2/newerdir
new-file-not-in-snapshot
Snapshots are extremely useful for comparing previous versions of files or directories,
and recovering from data corruptions or mistakes.
Signed-off-by: Steve French <[email protected]>
Reviewed-by: Ronnie Sahlberg <[email protected]>
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Reported-by: Xiaoli Feng <[email protected]>
Signed-off-by: Ronnie Sahlberg <[email protected]>
Signed-off-by: Steve French <[email protected]>
Reviewed-by: Pavel Shilovsky <[email protected]>
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We were missing the methods for get_acl and friends for the 3.11
dialect.
Signed-off-by: Ronnie Sahlberg <[email protected]>
Signed-off-by: Steve French <[email protected]>
CC: Stable <[email protected]>
Reviewed-by: Pavel Shilovsky <[email protected]>
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Add the QCOM RPMh regulator driver to manage PMIC regulators
which are controlled via RPMh on some Qualcomm Technologies, Inc.
SoCs. RPMh is a hardware block which contains several
accelerators which are used to manage various hardware resources
that are shared between the processors of the SoC. The final
hardware state of a regulator is determined within RPMh by
performing max aggregation of the requests made by all of the
processors.
Add support for PMIC regulator control via the voltage regulator
manager (VRM) and oscillator buffer (XOB) RPMh accelerators.
VRM supports manipulation of enable state, voltage, and mode.
XOB supports manipulation of enable state.
Signed-off-by: David Collins <[email protected]>
Reviewed-by: Douglas Anderson <[email protected]>
Reviewed-by: Matthias Kaehlcke <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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Introduce bindings for RPMh regulator devices found on some
Qualcomm Technlogies, Inc. SoCs. These devices allow a given
processor within the SoC to make PMIC regulator requests which
are aggregated within the RPMh hardware block along with requests
from other processors in the SoC to determine the final PMIC
regulator hardware state.
Signed-off-by: David Collins <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Reviewed-by: Douglas Anderson <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into regulator-4.19 for RPMH
Qualcomm ARM Based Driver Updates for v4.19
* Add Qualcomm LLCC driver
* Add Qualcomm RPMH controller
* Fix memleak in Qualcomm RMTFS
* Add dummy qcom_scm_assign_mem()
* Fix check for global partition in SMEM
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Change update device function to return an error pointer if needed,
and report the error to user space.
Signed-off-by: Tokunori Ikegami <[email protected]>
Cc: Guenter Roeck <[email protected]>
Cc: Chris Packham <[email protected]>
[groeck: Clarified/updated description]
Signed-off-by: Guenter Roeck <[email protected]>
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I2C SMBus sometimes returns error codes.
In the error case, measurement values are updated incorrectly.
The sensor application then generates warning log messages and SNMP traps.
To prevent this, add error handling into the update functions.
Signed-off-by: Tokunori Ikegami <[email protected]>
Cc: Guenter Roeck <[email protected]>
Cc: Chris Packham <[email protected]>
[groeck: Update description]
Signed-off-by: Guenter Roeck <[email protected]>
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Currently the valid variable is of type char, but it is used as boolean.
So let's change it to bool.
Signed-off-by: Tokunori Ikegami <[email protected]>
Cc: Guenter Roeck <[email protected]>
Cc: Chris Packham <[email protected]>
[groeck: Update description]
Signed-off-by: Guenter Roeck <[email protected]>
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The update function reads both measurement and limit values.
Those parts can be split so split them for a maintainability.
Signed-off-by: Tokunori Ikegami <[email protected]>
Cc: Guenter Roeck <[email protected]>
Cc: Chris Packham <[email protected]>
[groeck: Clarify description]
Signed-off-by: Guenter Roeck <[email protected]>
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