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The patch fix the DRAM usage accounting by adding a missing update of
the DRAM memory consumption, when a context is being torn down without an
organized release of the allocated memory.
Signed-off-by: Tomer Tayar <[email protected]>
Reviewed-by: Oded Gabbay <[email protected]>
Signed-off-by: Oded Gabbay <[email protected]>
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In case kernel context init fails during device initialization, both
hl_ctx_put() and kfree() are called, ending with a double free of the
kernel context.
Calling kfree() is needed only when a failure happens between the
allocation of the kernel context and its initialization, so move it to
there and remove it from the error flow.
Signed-off-by: Tomer Tayar <[email protected]>
Reviewed-by: Oded Gabbay <[email protected]>
Signed-off-by: Oded Gabbay <[email protected]>
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If fsg_disable() and fsg_set_alt() are called too closely to each
other (for example due to a quick reset/reconnect), what can happen
is that fsg_set_alt sets common->new_fsg from an interrupt while
handle_exception is trying to process the config change caused by
fsg_disable():
fsg_disable()
...
handle_exception()
sets state back to FSG_STATE_NORMAL
hasn't yet called do_set_interface()
or is inside it.
---> interrupt
fsg_set_alt
sets common->new_fsg
queues a new FSG_STATE_CONFIG_CHANGE
<---
Now, the first handle_exception can "see" the updated
new_fsg, treats it as if it was a fsg_set_alt() response,
call usb_composite_setup_continue() etc...
But then, the thread sees the second FSG_STATE_CONFIG_CHANGE,
and goes back down the same path, wipes and reattaches a now
active fsg, and .. calls usb_composite_setup_continue() which
at this point is wrong.
Not only we get a backtrace, but I suspect the second set_interface
wrecks some state causing the host to get upset in my case.
This fixes it by replacing "new_fsg" by a "state argument" (same
principle) which is set in the same lock section as the state
update, and retrieved similarly.
That way, there is never any discrepancy between the dequeued
state and the observed value of it. We keep the ability to have
the latest reconfig operation take precedence, but we guarantee
that once "dequeued" the argument (new_fsg) will not be clobbered
by any new event.
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Acked-by: Alan Stern <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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In some cases, one can get out of suspend with a reset or
a disconnect followed by a reconnect. Previously we would
leave a stale suspended flag set.
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Since the role_store() uses strncmp(), it's possible to refer
out-of-memory if the sysfs data size is smaller than strlen("host").
This patch fixes it by using sysfs_streq() instead of strncmp().
Fixes: cc995c9ec118 ("usb: gadget: udc: renesas_usb3: add support for usb role swap")
Cc: <[email protected]> # v4.12+
Reviewed-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Yoshihiro Shimoda <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Add missing break statement in order to prevent the code from falling
through to case SH_BREAKPOINT_WRITE.
Fixes: 09a072947791 ("sh: hw-breakpoints: Add preliminary support for SH-4A UBC.")
Cc: [email protected]
Reviewed-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Tested-by: Guenter Roeck <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
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Remove logically dead code and mark switch cases where we are expecting
to fall through.
Fix the following warnings (Building: defconfig sh):
arch/sh/kernel/disassemble.c:478:8: warning: this statement may fall
through [-Wimplicit-fallthrough=]
arch/sh/kernel/disassemble.c:487:8: warning: this statement may fall
through [-Wimplicit-fallthrough=]
arch/sh/kernel/disassemble.c:496:8: warning: this statement may fall
through [-Wimplicit-fallthrough=]
Reviewed-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Tested-by: Guenter Roeck <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull dax fixes from Dan Williams:
"A filesystem-dax and device-dax fix for v5.3.
The filesystem-dax fix is tagged for stable as the implementation has
been mistakenly throwing away all cow pages on any truncate or hole
punch operation as part of the solution to coordinate device-dma vs
truncate to dax pages.
The device-dax change fixes up a regression this cycle from the
introduction of a common 'internal per-cpu-ref' implementation.
Summary:
- Fix dax_layout_busy_page() to not discard private cow pages of
fs/dax private mappings.
- Update the memremap_pages core to properly cleanup on behalf of
internal reference-count users like device-dax"
* tag 'dax-fixes-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
mm/memremap: Fix reuse of pgmap instances with internal references
dax: dax_layout_busy_page() should not unmap cow pages
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Pull NTB fix from Jon Mason:
"Bug fix for NTB MSI kernel compile warning"
* tag 'ntb-5.3-bugfixes' of git://github.com/jonmason/ntb:
NTB/msi: remove incorrect MODULE defines
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Pull NVMe fixes from Sagi:
"Few nvme fixes for the next rc round.
- detect capacity changes on the mpath disk from Anthony
- probe/remove fix from Keith
- various fixes to pass blktests from Logan
- deadlock in reset/scan race fix
- nvme-rdma use-after-free fix
- deadlock fix when passthru commands race mpath disk info update"
* 'nvme-5.3-rc' of git://git.infradead.org/nvme:
nvme-pci: Fix async probe remove race
nvme: fix controller removal race with scan work
nvme-rdma: fix possible use-after-free in connect error flow
nvme: fix a possible deadlock when passthru commands sent to a multipath device
nvme-core: Fix extra device_put() call on error path
nvmet-file: fix nvmet_file_flush() always returning an error
nvmet-loop: Flush nvme_delete_wq when removing the port
nvmet: Fix use-after-free bug when a port is removed
nvme-multipath: revalidate nvme_ns_head gendisk in nvme_validate_ns
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Paul Walmsley:
"A few minor RISC-V updates for v5.3-rc4:
- Remove __udivdi3() from the 32-bit Linux port, converting the only
upstream user to use do_div(), per Linux policy
- Convert the RISC-V standard clocksource away from per-cpu data
structures, since only one is used by Linux, even on a multi-CPU
system
- A set of DT binding updates that remove an obsolete text binding in
favor of a YAML binding, fix a bogus compatible string in the
schema (thus fixing a "make dtbs_check" warning), and clarifies the
future values expected in one of the RISC-V CPU properties"
* tag 'riscv/for-v5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
dt-bindings: riscv: fix the schema compatible string for the HiFive Unleashed board
dt-bindings: riscv: remove obsolete cpus.txt
RISC-V: Remove udivdi3
riscv: delay: use do_div() instead of __udivdi3()
dt-bindings: Update the riscv,isa string description
RISC-V: Remove per cpu clocksource
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"A few fixes for x86:
- Don't reset the carefully adjusted build flags for the purgatory
and remove the unwanted flags instead. The 'reset all' approach led
to build fails under certain circumstances.
- Unbreak CLANG build of the purgatory by avoiding the builtin
memcpy/memset implementations.
- Address missing prototype warnings by including the proper header
- Fix yet more fall-through issues"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/lib/cpu: Address missing prototypes warning
x86/purgatory: Use CFLAGS_REMOVE rather than reset KBUILD_CFLAGS
x86/purgatory: Do not use __builtin_memcpy and __builtin_memset
x86: mtrr: cyrix: Mark expected switch fall-through
x86/ptrace: Mark expected switch fall-through
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf tooling fixes from Thomas Gleixner:
"Perf tooling fixes all over the place:
- Fix the selection of the main thread COMM in db-export
- Fix the disassemmbly display for BPF in annotate
- Fix cpumap mask setup in perf ftrace when only one CPU is present
- Add the missing 'cpu_clk_unhalted.core' event
- Fix CPU 0 bindings in NUMA benchmarks
- Fix the module size calculations for s390
- Handle the gap between kernel end and module start on s390
correctly
- Build and typo fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf pmu-events: Fix missing "cpu_clk_unhalted.core" event
perf annotate: Fix s390 gap between kernel end and module start
perf record: Fix module size on s390
perf tools: Fix include paths in ui directory
perf tools: Fix a typo in a variable name in the Documentation Makefile
perf cpumap: Fix writing to illegal memory in handling cpumap mask
perf ftrace: Fix failure to set cpumask when only one cpu is present
perf db-export: Fix thread__exec_comm()
perf annotate: Fix printing of unaugmented disassembled instructions from BPF
perf bench numa: Fix cpu0 binding
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Thomas Gleixner:
"Three fixlets for the scheduler:
- Avoid double bandwidth accounting in the push & pull code
- Use a sane FIFO priority for the Pressure Stall Information (PSI)
thread.
- Avoid permission checks when setting the scheduler params for the
PSI thread"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/psi: Do not require setsched permission from the trigger creator
sched/psi: Reduce psimon FIFO priority
sched/deadline: Fix double accounting of rq/running bw in push & pull
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Thomas Gleixner:
"A small fix for the affinity spreading code.
It failed to handle situations where a single vector was requested
either due to only one CPU being available or vector exhaustion
causing only a single interrupt to be granted.
The fix is to simply remove the requirement in the affinity spreading
code for more than one interrupt being available"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq/affinity: Create affinity mask for single vector
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool warning fix from Thomas Gleixner:
"The recent objtool fixes/enhancements unearthed a unbalanced CLAC in
the i915 driver.
Chris asked me to pick the fix up and route it through"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
drm/i915: Remove redundant user_access_end() from __copy_from_user() error path
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git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 fix from Andreas Gruenbacher:
"Fix incorrect lseek / fiemap results"
* tag 'gfs2-v5.3-rc3.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: gfs2_walk_metadata fix
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for clang
A compilation -Wimplicit-fallthrough warning was enabled by commit
a035d552a93b ("Makefile: Globally enable fall-through warning")
Even though clang 10.0.0 does not currently support this warning without
a patch, clang currently does not support a value for this option.
Link: https://bugs.llvm.org/show_bug.cgi?id=39382
The gcc default for this warning is 3 so removing the =3 has no effect
for gcc and enables the warning for patched versions of clang.
Also remove the =3 from an existing use in a parisc Makefile:
arch/parisc/math-emu/Makefile
Signed-off-by: Joe Perches <[email protected]>
Reviewed-and-tested-by: Nathan Chancellor <[email protected]>
Cc: Gustavo A. R. Silva <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes Greg KH:
"Here are some small char/misc driver fixes for 5.3-rc4.
Two of these are for the habanalabs driver for issues found when
running on a big-endian system (are they still alive?) The others are
tiny fixes reported by people, and a MAINTAINERS update about the
location of the fpga development tree.
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
coresight: Fix DEBUG_LOCKS_WARN_ON for uninitialized attribute
MAINTAINERS: Move linux-fpga tree to new location
nvmem: Use the same permissions for eeprom as for nvmem
habanalabs: fix host memory polling in BE architecture
habanalabs: fix F/W download in BE architecture
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are two small fixes for some driver core issues that have been
reported. There is also a kernfs "fix" here, which was then reverted
because it was found to cause problems in linux-next.
The driver core fixes both resolve reported issues, one with gpioint
stuff that showed up in 5.3-rc1, and the other finally (and hopefully)
resolves a very long standing race when removing glue directories.
It's nice to get that issue finally resolved and the developers
involved should be applauded for the persistence it took to get this
patch finally accepted.
All of these have been in linux-next for a while with no reported
issues. Well, the one reported issue, hence the revert :)"
* tag 'driver-core-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
Revert "kernfs: fix memleak in kernel_ops_readdir()"
kernfs: fix memleak in kernel_ops_readdir()
driver core: Fix use-after-free and double free on glue directory
driver core: platform: return -ENXIO for missing GpioInt
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty fix from Greg KH:
"Here is a single tty kgdb fix for 5.3-rc4.
It fixes an annoying log message that has caused kdb to become
useless. It's another fallout from commit ddde3c18b700 ("vt: More
locking checks") which tries to enforce locking checks more strictly
in the tty layer, unfortunatly when kdb is stopped, there's no need
for locks :)
This patch has been linux-next for a while with no reported issues"
* tag 'tty-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
kgdboc: disable the console lock when in kgdb
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging / IIO driver fixes from Greg KH:
"Here are some small staging and IIO driver fixes for 5.3-rc4.
Nothing major, just resolutions for a number of small reported issues,
full details in the shortlog.
All have been in linux-next for a while with no reported issues"
* tag 'staging-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: adc: gyroadc: fix uninitialized return code
docs: generic-counter.rst: fix broken references for ABI file
staging: android: ion: Bail out upon SIGKILL when allocating memory.
Staging: fbtft: Fix GPIO handling
staging: unisys: visornic: Update the description of 'poll_for_irq()'
staging: wilc1000: flush the workqueue before deinit the host
staging: gasket: apex: fix copy-paste typo
Staging: fbtft: Fix reset assertion when using gpio descriptor
Staging: fbtft: Fix probing of gpio descriptor
iio: imu: mpu6050: add missing available scan masks
iio: cros_ec_accel_legacy: Fix incorrect channel setting
IIO: Ingenic JZ47xx: Set clock divider on probe
iio: adc: max9611: Fix misuse of GENMASK macro
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 5.3-rc4.
The "biggest" one here is moving code from one file to another in
order to fix a long-standing race condition with the creation of sysfs
files for USB devices. Turns out that there are now userspace tools
out there that are hitting this long-known bug, so it's time to fix
them. Thankfully the tool-maker in this case fixed the issue :)
The other patches in here are all fixes for reported issues. Now that
syzbot knows how to fuzz USB drivers better, and is starting to now
fuzz the userspace facing side of them at the same time, there will be
more and more small fixes like these coming, which is a good thing.
All of these have been in linux-next with no reported issues"
* tag 'usb-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: setup authorized_default attributes using usb_bus_notify
usb: iowarrior: fix deadlock on disconnect
Revert "USB: rio500: simplify locking"
usb: usbfs: fix double-free of usb memory upon submiturb error
usb: yurex: Fix use-after-free in yurex_delete
usb: typec: tcpm: Ignore unsupported/unknown alternate mode requests
xhci: Fix NULL pointer dereference at endpoint zero reset.
usb: host: xhci-rcar: Fix timeout in xhci_suspend()
usb: typec: ucsi: ccg: Fix uninitilized symbol error
usb: typec: tcpm: remove tcpm dir if no children
usb: typec: tcpm: free log buf memory when remove debug file
usb: typec: tcpm: Add NULL check before dereferencing config
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All the way back to introducing dma_common_mmap we've defaulted to mark
the pages as uncached. But this is wrong for DMA coherent devices.
Later on DMA_ATTR_WRITE_COMBINE also got incorrect treatment as that
flag is only treated special on the alloc side for non-coherent devices.
Introduce a new dma_pgprot helper that deals with the check for coherent
devices so that only the remapping cases ever reach arch_dma_mmap_pgprot
and we thus ensure no aliasing of page attributes happens, which makes
the powerpc version of arch_dma_mmap_pgprot obsolete and simplifies the
remaining ones.
Note that this means arch_dma_mmap_pgprot is a bit misnamed now, but
we'll phase it out soon.
Fixes: 64ccc9c033c6 ("common: dma-mapping: add support for generic dma_mmap_* calls")
Reported-by: Shawn Anastasio <[email protected]>
Reported-by: Gavin Li <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
Acked-by: Catalin Marinas <[email protected]> # arm64
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The dma required_mask needs to reflect the actual addressing capabilities
needed to handle the whole system RAM. When truncated down to the bus
addressing capabilities dma_addressing_limited() will incorrectly signal
no limitations for devices which are restricted by the bus_dma_mask.
Fixes: b4ebe6063204 (dma-direct: implement complete bus_dma_mask handling)
Signed-off-by: Lucas Stach <[email protected]>
Tested-by: Atish Patra <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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The new DMA_ATTR_NO_KERNEL_MAPPING needs to actually assign
a dma_addr to work. Also skip it if the architecture needs
forced decryption handling, as that needs a kernel virtual
address.
Fixes: d98849aff879 (dma-direct: handle DMA_ATTR_NO_KERNEL_MAPPING in common code)
Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Lucas Stach <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- Delay acquisition of regmaps in the Aspeed G5 driver.
- Make a symbol static to reduce compiler noise.
* tag 'pinctrl-v5.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: aspeed: Make aspeed_pinmux_ips static
pinctrl: aspeed-g5: Delay acquisition of regmaps
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
"Just one fix, a revert of a commit that was meant to be a minor
improvement to some inline asm, but ended up having no real benefit
with GCC and broke booting 32-bit machines when using Clang.
Thanks to: Arnd Bergmann, Christophe Leroy, Nathan Chancellor, Nick
Desaulniers, Segher Boessenkool"
* tag 'powerpc-5.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
Revert "powerpc: slightly improve cache helpers"
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git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux
Pull fall-through fixes from Gustavo A. R. Silva:
"Mark more switch cases where we are expecting to fall through, fixing
fall-through warnings in arm, sparc64, mips, i386 and s390"
* tag 'Wimplicit-fallthrough-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
ARM: ep93xx: Mark expected switch fall-through
scsi: fas216: Mark expected switch fall-throughs
pcmcia: db1xxx_ss: Mark expected switch fall-throughs
video: fbdev: omapfb_main: Mark expected switch fall-throughs
watchdog: riowd: Mark expected switch fall-through
s390/net: Mark expected switch fall-throughs
crypto: ux500/crypt: Mark expected switch fall-throughs
watchdog: wdt977: Mark expected switch fall-through
watchdog: scx200_wdt: Mark expected switch fall-through
watchdog: Mark expected switch fall-throughs
ARM: signal: Mark expected switch fall-through
mfd: omap-usb-host: Mark expected switch fall-throughs
mfd: db8500-prcmu: Mark expected switch fall-throughs
ARM: OMAP: dma: Mark expected switch fall-throughs
ARM: alignment: Mark expected switch fall-throughs
ARM: tegra: Mark expected switch fall-through
ARM/hw_breakpoint: Mark expected switch fall-throughs
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To avoid reducing the frequency of a CPU prematurely, we skip reducing
the frequency if the CPU had been busy recently.
This should not be done when the limits of the policy are changed, for
example due to thermal throttling. We should always get the frequency
within the new limits as soon as possible.
Trying to fix this by using only one flag, i.e. need_freq_update, can
lead to a race condition where the flag gets cleared without forcing us
to change the frequency at least once. And so this patch introduces
another flag to avoid that race condition.
Fixes: ecd288429126 ("cpufreq: schedutil: Don't set next_freq to UINT_MAX")
Cc: v4.18+ <[email protected]> # v4.18+
Reported-by: Doug Smythies <[email protected]>
Tested-by: Doug Smythies <[email protected]>
Signed-off-by: Viresh Kumar <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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dev_pm_qos_update_request() can return 1 on success, so don't treat
it as an error.
Fixes: 18c49926c4bf ("cpufreq: Add QoS requests for userspace constraints")
Signed-off-by: Viresh Kumar <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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In snd_hda_parse_generic_codec(), 'spec' is allocated through kzalloc().
Then, the pin widgets in 'codec' are parsed. However, if the parsing
process fails, 'spec' is not deallocated, leading to a memory leak.
To fix the above issue, free 'spec' before returning the error.
Fixes: 352f7f914ebb ("ALSA: hda - Merge Realtek parser code to generic parser")
Signed-off-by: Wenwen Wang <[email protected]>
Cc: <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- revive single target %.ko
- do not create built-in.a where it is unneeded
- do not create modules.order where it is unneeded
- show a warning if subdir-y/m is used to visit a module Makefile
* tag 'kbuild-fixes-v5.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: show hint if subdir-y/m is used to visit module Makefile
kbuild: generate modules.order only in directories visited by obj-y/m
kbuild: fix false-positive need-builtin calculation
kbuild: revive single target %.ko
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Mark switch cases where we are expecting to fall through.
Fix the following warnings (Building: arm-ep93xx_defconfig arm):
arch/arm/mach-ep93xx/crunch.c: In function 'crunch_do':
arch/arm/mach-ep93xx/crunch.c:46:3: warning: this statement may
fall through [-Wimplicit-fallthrough=]
memset(crunch_state, 0, sizeof(*crunch_state));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm/mach-ep93xx/crunch.c:53:2: note: here
case THREAD_NOTIFY_EXIT:
^~~~
Notice that, in this particular case, the code comment is
modified in accordance with what GCC is expecting to find.
Reported-by: kbuild test robot <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
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Mark switch cases where we are expecting to fall through.
Fix the following warnings (Building: rpc_defconfig arm):
drivers/scsi/arm/fas216.c: In function ‘fas216_disconnect_intr’:
drivers/scsi/arm/fas216.c:913:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (fas216_get_last_msg(info, info->scsi.msgin_fifo) == ABORT) {
^
drivers/scsi/arm/fas216.c:919:2: note: here
default: /* huh? */
^~~~~~~
drivers/scsi/arm/fas216.c: In function ‘fas216_kick’:
drivers/scsi/arm/fas216.c:1959:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
fas216_allocate_tag(info, SCpnt);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/arm/fas216.c:1960:2: note: here
case TYPE_OTHER:
^~~~
drivers/scsi/arm/fas216.c: In function ‘fas216_busservice_intr’:
drivers/scsi/arm/fas216.c:1413:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
fas216_stoptransfer(info);
^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/arm/fas216.c:1414:2: note: here
case STATE(STAT_STATUS, PHASE_SELSTEPS):/* Sel w/ steps -> Status */
^~~~
drivers/scsi/arm/fas216.c:1424:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
fas216_stoptransfer(info);
^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/arm/fas216.c:1425:2: note: here
case STATE(STAT_MESGIN, PHASE_COMMAND): /* Command -> Message In */
^~~~
drivers/scsi/arm/fas216.c: In function ‘fas216_funcdone_intr’:
drivers/scsi/arm/fas216.c:1573:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if ((stat & STAT_BUSMASK) == STAT_MESGIN) {
^
drivers/scsi/arm/fas216.c:1579:2: note: here
default:
^~~~~~~
drivers/scsi/arm/fas216.c: In function ‘fas216_handlesync’:
drivers/scsi/arm/fas216.c:605:20: warning: this statement may fall through [-Wimplicit-fallthrough=]
info->scsi.phase = PHASE_MSGOUT_EXPECT;
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
drivers/scsi/arm/fas216.c:607:2: note: here
case async:
^~~~
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|
|
Mark switch cases where we are expecting to fall through.
This patch fixes the following warnings (Building: db1xxx_defconfig mips):
drivers/pcmcia/db1xxx_ss.c:257:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
drivers/pcmcia/db1xxx_ss.c:269:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|
|
Mark switch cases where we are expecting to fall through.
This patch fixes the following warning (Building: omap1_defconfig arm):
drivers/watchdog/wdt285.c:170:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
drivers/watchdog/ar7_wdt.c:237:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
drivers/video/fbdev/omap/omapfb_main.c:449:23: warning: this statement may fall through [-Wimplicit-fallthrough=]
drivers/video/fbdev/omap/omapfb_main.c:1549:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
drivers/video/fbdev/omap/omapfb_main.c:1547:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
drivers/video/fbdev/omap/omapfb_main.c:1545:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
drivers/video/fbdev/omap/omapfb_main.c:1543:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
drivers/video/fbdev/omap/omapfb_main.c:1540:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
drivers/video/fbdev/omap/omapfb_main.c:1538:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
drivers/video/fbdev/omap/omapfb_main.c:1535:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|
|
Mark switch cases where we are expecting to fall through.
This patch fixes the following warnings (Building: sparc64):
drivers/watchdog/riowd.c: In function ‘riowd_ioctl’:
drivers/watchdog/riowd.c:136:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
riowd_writereg(p, riowd_timeout, WDTO_INDEX);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/watchdog/riowd.c:139:2: note: here
case WDIOC_GETTIMEOUT:
^~~~
Reviewed-by: Kees Cook <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|
|
Mark switch cases where we are expecting to fall through.
This patch fixes the following warnings (Building: s390):
drivers/s390/net/ctcm_fsms.c: In function ‘ctcmpc_chx_attnbusy’:
drivers/s390/net/ctcm_fsms.c:1703:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (grp->changed_side == 1) {
^
drivers/s390/net/ctcm_fsms.c:1707:2: note: here
case MPCG_STATE_XID0IOWAIX:
^~~~
drivers/s390/net/ctcm_mpc.c: In function ‘ctc_mpc_alloc_channel’:
drivers/s390/net/ctcm_mpc.c:358:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (callback)
^
drivers/s390/net/ctcm_mpc.c:360:2: note: here
case MPCG_STATE_XID0IOWAIT:
^~~~
drivers/s390/net/ctcm_mpc.c: In function ‘mpc_action_timeout’:
drivers/s390/net/ctcm_mpc.c:1469:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if ((fsm_getstate(rch->fsm) == CH_XID0_PENDING) &&
^
drivers/s390/net/ctcm_mpc.c:1472:2: note: here
default:
^~~~~~~
drivers/s390/net/ctcm_mpc.c: In function ‘mpc_send_qllc_discontact’:
drivers/s390/net/ctcm_mpc.c:2087:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (grp->estconnfunc) {
^
drivers/s390/net/ctcm_mpc.c:2092:2: note: here
case MPCG_STATE_FLOWC:
^~~~
drivers/s390/net/qeth_l2_main.c: In function ‘qeth_l2_process_inbound_buffer’:
drivers/s390/net/qeth_l2_main.c:328:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (IS_OSN(card)) {
^
drivers/s390/net/qeth_l2_main.c:337:3: note: here
default:
^~~~~~~
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|
|
Mark switch cases where we are expecting to fall through.
This patch fixes the following warning (Building: arm):
drivers/crypto/ux500/cryp/cryp.c: In function ‘cryp_save_device_context’:
drivers/crypto/ux500/cryp/cryp.c:316:16: warning: this statement may fall through [-Wimplicit-fallthrough=]
ctx->key_4_r = readl_relaxed(&src_reg->key_4_r);
drivers/crypto/ux500/cryp/cryp.c:318:2: note: here
case CRYP_KEY_SIZE_192:
^~~~
drivers/crypto/ux500/cryp/cryp.c:320:16: warning: this statement may fall through [-Wimplicit-fallthrough=]
ctx->key_3_r = readl_relaxed(&src_reg->key_3_r);
drivers/crypto/ux500/cryp/cryp.c:322:2: note: here
case CRYP_KEY_SIZE_128:
^~~~
drivers/crypto/ux500/cryp/cryp.c:324:16: warning: this statement may fall through [-Wimplicit-fallthrough=]
ctx->key_2_r = readl_relaxed(&src_reg->key_2_r);
drivers/crypto/ux500/cryp/cryp.c:326:2: note: here
default:
^~~~~~~
In file included from ./include/linux/io.h:13:0,
from drivers/crypto/ux500/cryp/cryp_p.h:14,
from drivers/crypto/ux500/cryp/cryp.c:15:
drivers/crypto/ux500/cryp/cryp.c: In function ‘cryp_restore_device_context’:
./arch/arm/include/asm/io.h:92:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
#define __raw_writel __raw_writel
^
./arch/arm/include/asm/io.h:299:29: note: in expansion of macro ‘__raw_writel’
#define writel_relaxed(v,c) __raw_writel((__force u32) cpu_to_le32(v),c)
^~~~~~~~~~~~
drivers/crypto/ux500/cryp/cryp.c:363:3: note: in expansion of macro ‘writel_relaxed’
writel_relaxed(ctx->key_4_r, ®->key_4_r);
^~~~~~~~~~~~~~
drivers/crypto/ux500/cryp/cryp.c:365:2: note: here
case CRYP_KEY_SIZE_192:
^~~~
In file included from ./include/linux/io.h:13:0,
from drivers/crypto/ux500/cryp/cryp_p.h:14,
from drivers/crypto/ux500/cryp/cryp.c:15:
./arch/arm/include/asm/io.h:92:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
#define __raw_writel __raw_writel
^
./arch/arm/include/asm/io.h:299:29: note: in expansion of macro ‘__raw_writel’
#define writel_relaxed(v,c) __raw_writel((__force u32) cpu_to_le32(v),c)
^~~~~~~~~~~~
drivers/crypto/ux500/cryp/cryp.c:367:3: note: in expansion of macro ‘writel_relaxed’
writel_relaxed(ctx->key_3_r, ®->key_3_r);
^~~~~~~~~~~~~~
drivers/crypto/ux500/cryp/cryp.c:369:2: note: here
case CRYP_KEY_SIZE_128:
^~~~
In file included from ./include/linux/io.h:13:0,
from drivers/crypto/ux500/cryp/cryp_p.h:14,
from drivers/crypto/ux500/cryp/cryp.c:15:
./arch/arm/include/asm/io.h:92:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
#define __raw_writel __raw_writel
^
./arch/arm/include/asm/io.h:299:29: note: in expansion of macro ‘__raw_writel’
#define writel_relaxed(v,c) __raw_writel((__force u32) cpu_to_le32(v),c)
^~~~~~~~~~~~
drivers/crypto/ux500/cryp/cryp.c:371:3: note: in expansion of macro ‘writel_relaxed’
writel_relaxed(ctx->key_2_r, ®->key_2_r);
^~~~~~~~~~~~~~
drivers/crypto/ux500/cryp/cryp.c:373:2: note: here
default:
^~~~~~~
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|
|
Mark switch cases where we are expecting to fall through.
This patch fixes the following warning (Building: arm):
drivers/watchdog/wdt977.c: In function ‘wdt977_ioctl’:
LD [M] drivers/media/platform/vicodec/vicodec.o
drivers/watchdog/wdt977.c:400:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
wdt977_keepalive();
^~~~~~~~~~~~~~~~~~
drivers/watchdog/wdt977.c:403:2: note: here
case WDIOC_GETTIMEOUT:
^~~~
Reviewed-by: Kees Cook <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|
|
Mark switch cases where we are expecting to fall through.
This patch fixes the following warning (Building: i386):
drivers/watchdog/scx200_wdt.c: In function ‘scx200_wdt_ioctl’:
drivers/watchdog/scx200_wdt.c:188:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
scx200_wdt_ping();
^~~~~~~~~~~~~~~~~
drivers/watchdog/scx200_wdt.c:189:2: note: here
case WDIOC_GETTIMEOUT:
^~~~
Reviewed-by: Kees Cook <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|
|
Mark switch cases where we are expecting to fall through.
This patch fixes the following warnings:
drivers/watchdog/ar7_wdt.c: warning: this statement may fall
through [-Wimplicit-fallthrough=]: => 237:3
drivers/watchdog/pcwd.c: warning: this statement may fall
through [-Wimplicit-fallthrough=]: => 653:3
drivers/watchdog/sb_wdog.c: warning: this statement may fall
through [-Wimplicit-fallthrough=]: => 204:3
drivers/watchdog/wdt.c: warning: this statement may fall
through [-Wimplicit-fallthrough=]: => 391:3
Reported-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|
|
Mark switch cases where we are expecting to fall through.
This patch fixes the following warning:
arch/arm/kernel/signal.c: In function 'do_signal':
arch/arm/kernel/signal.c:598:12: warning: this statement may fall through [-Wimplicit-fallthrough=]
restart -= 2;
~~~~~~~~^~~~
arch/arm/kernel/signal.c:599:3: note: here
case -ERESTARTNOHAND:
^~~~
Reported-by: Stephen Rothwell <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|
|
Mark switch cases where we are expecting to fall through.
This patch fixes the following warnings:
drivers/mfd/omap-usb-host.c: In function 'usbhs_runtime_resume':
drivers/mfd/omap-usb-host.c:303:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (!IS_ERR(omap->hsic480m_clk[i])) {
^
drivers/mfd/omap-usb-host.c:313:3: note: here
case OMAP_EHCI_PORT_MODE_TLL:
^~~~
drivers/mfd/omap-usb-host.c: In function 'usbhs_runtime_suspend':
drivers/mfd/omap-usb-host.c:345:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (!IS_ERR(omap->hsic480m_clk[i]))
^
drivers/mfd/omap-usb-host.c:349:3: note: here
case OMAP_EHCI_PORT_MODE_TLL:
^~~~
Reported-by: Stephen Rothwell <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|
|
Mark switch cases where we are expecting to fall through.
This patch fixes the following warnings:
drivers/mfd/db8500-prcmu.c: In function 'dsiclk_rate':
drivers/mfd/db8500-prcmu.c:1592:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
div *= 2;
~~~~^~~~
drivers/mfd/db8500-prcmu.c:1593:2: note: here
case PRCM_DSI_PLLOUT_SEL_PHI_2:
^~~~
drivers/mfd/db8500-prcmu.c:1594:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
div *= 2;
~~~~^~~~
drivers/mfd/db8500-prcmu.c:1595:2: note: here
case PRCM_DSI_PLLOUT_SEL_PHI:
^~~~
Reported-by: Stephen Rothwell <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|
|
Mark switch cases where we are expecting to fall through.
This patch fixes the following warnings:
arch/arm/plat-omap/dma.c: In function 'omap_set_dma_src_burst_mode':
arch/arm/plat-omap/dma.c:384:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (dma_omap2plus()) {
^
arch/arm/plat-omap/dma.c:393:2: note: here
case OMAP_DMA_DATA_BURST_16:
^~~~
arch/arm/plat-omap/dma.c:394:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (dma_omap2plus()) {
^
arch/arm/plat-omap/dma.c:402:2: note: here
default:
^~~~~~~
arch/arm/plat-omap/dma.c: In function 'omap_set_dma_dest_burst_mode':
arch/arm/plat-omap/dma.c:473:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (dma_omap2plus()) {
^
arch/arm/plat-omap/dma.c:481:2: note: here
default:
^~~~~~~
Notice that, in this particular case, the code comment is
modified in accordance with what GCC is expecting to find.
Reported-by: Stephen Rothwell <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|
|
Mark switch cases where we are expecting to fall through.
This patch fixes the following warnings:
arch/arm/mm/alignment.c: In function 'thumb2arm':
arch/arm/mm/alignment.c:688:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if ((tinstr & (3 << 9)) == 0x0400) {
^
arch/arm/mm/alignment.c:700:2: note: here
default:
^~~~~~~
arch/arm/mm/alignment.c: In function 'do_alignment_t32_to_handler':
arch/arm/mm/alignment.c:753:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
poffset->un = (tinst2 & 0xff) << 2;
~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
arch/arm/mm/alignment.c:754:2: note: here
case 0xe940:
^~~~
Reported-by: Stephen Rothwell <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|
|
Mark switch cases where we are expecting to fall through.
This patch fixes the following warning:
arch/arm/mach-tegra/reset.c: In function 'tegra_cpu_reset_handler_enable':
arch/arm/mach-tegra/reset.c:72:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
tegra_cpu_reset_handler_set(reset_address);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm/mach-tegra/reset.c:74:2: note: here
case 0:
^~~~
Reported-by: Stephen Rothwell <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
|