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[ Upstream commit 884caadad128efad8e00c1cdc3177bc8912ee8ec ]
The definitions for bit field [19:18] of the Peripheral Function Select
Register 3 were accidentally copied from bit field [20], leading to
duplicates for the TCLK1_B function, and missing TCLK0, CAN_CLK_B, and
ET0_ETXD4 functions.
Fix this by adding the missing GPIO_FN_CAN_CLK_B and GPIO_FN_ET0_ETXD4
enum values, and correcting the functions.
Reported-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191024131308.16659-1-geert+renesas@glider.be
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 130f4caf145c3562108b245a576db30b916199d2 ]
With CONFIG_DEBUG_TEST_DRIVER_REMOVE set, we may find the following WARN:
[ 23.452574] ------------[ cut here ]------------
[ 23.457190] WARNING: CPU: 59 PID: 1 at drivers/ata/libata-core.c:6676 ata_host_detach+0x15c/0x168
[ 23.466047] Modules linked in:
[ 23.469092] CPU: 59 PID: 1 Comm: swapper/0 Not tainted 5.4.0-rc1-00010-g5b83fd27752b-dirty #296
[ 23.477776] Hardware name: Huawei D06 /D06, BIOS Hisilicon D06 UEFI RC0 - V1.16.01 03/15/2019
[ 23.486286] pstate: a0c00009 (NzCv daif +PAN +UAO)
[ 23.491065] pc : ata_host_detach+0x15c/0x168
[ 23.495322] lr : ata_host_detach+0x88/0x168
[ 23.499491] sp : ffff800011cabb50
[ 23.502792] x29: ffff800011cabb50 x28: 0000000000000007
[ 23.508091] x27: ffff80001137f068 x26: ffff8000112c0c28
[ 23.513390] x25: 0000000000003848 x24: ffff0023ea185300
[ 23.518689] x23: 0000000000000001 x22: 00000000000014c0
[ 23.523987] x21: 0000000000013740 x20: ffff0023bdc20000
[ 23.529286] x19: 0000000000000000 x18: 0000000000000004
[ 23.534584] x17: 0000000000000001 x16: 00000000000000f0
[ 23.539883] x15: ffff0023eac13790 x14: ffff0023eb76c408
[ 23.545181] x13: 0000000000000000 x12: ffff0023eac13790
[ 23.550480] x11: ffff0023eb76c228 x10: 0000000000000000
[ 23.555779] x9 : ffff0023eac13798 x8 : 0000000040000000
[ 23.561077] x7 : 0000000000000002 x6 : 0000000000000001
[ 23.566376] x5 : 0000000000000002 x4 : 0000000000000000
[ 23.571674] x3 : ffff0023bf08a0bc x2 : 0000000000000000
[ 23.576972] x1 : 3099674201f72700 x0 : 0000000000400284
[ 23.582272] Call trace:
[ 23.584706] ata_host_detach+0x15c/0x168
[ 23.588616] ata_pci_remove_one+0x10/0x18
[ 23.592615] ahci_remove_one+0x20/0x40
[ 23.596356] pci_device_remove+0x3c/0xe0
[ 23.600267] really_probe+0xdc/0x3e0
[ 23.603830] driver_probe_device+0x58/0x100
[ 23.608000] device_driver_attach+0x6c/0x90
[ 23.612169] __driver_attach+0x84/0xc8
[ 23.615908] bus_for_each_dev+0x74/0xc8
[ 23.619730] driver_attach+0x20/0x28
[ 23.623292] bus_add_driver+0x148/0x1f0
[ 23.627115] driver_register+0x60/0x110
[ 23.630938] __pci_register_driver+0x40/0x48
[ 23.635199] ahci_pci_driver_init+0x20/0x28
[ 23.639372] do_one_initcall+0x5c/0x1b0
[ 23.643199] kernel_init_freeable+0x1a4/0x24c
[ 23.647546] kernel_init+0x10/0x108
[ 23.651023] ret_from_fork+0x10/0x18
[ 23.654590] ---[ end trace 634a14b675b71c13 ]---
With KASAN also enabled, we may also get many use-after-free reports.
The issue is that when CONFIG_DEBUG_TEST_DRIVER_REMOVE is set, we may
attempt to detach the ata_port before it has been probed.
This is because the ata_ports are async probed, meaning that there is no
guarantee that the ata_port has probed prior to detach. When the ata_port
does probe in this scenario, we get all sorts of issues as the detach may
have already happened.
Fix by ensuring synchronisation with async_synchronize_full(). We could
alternatively use the cookie returned from the ata_port probe
async_schedule() call, but that means managing the cookie, so more
complicated.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit bfcef4ab1d7ee8921bc322109b1692036cc6cbe0 ]
In cases like suspend-to-disk and suspend-to-ram, a large number of CPU
cores need to be shut down. At present, the CPU hotplug operation is
serialised, and the CPU cores can only be shut down one by one. In this
process, if PSCI affinity_info() does not return LEVEL_OFF quickly,
cpu_psci_cpu_kill() needs to wait for 10ms. If hundreds of CPU cores
need to be shut down, it will take a long time.
Normally, there is no need to wait 10ms in cpu_psci_cpu_kill(). So
change the wait interval from 10 ms to max 1 ms and use usleep_range()
instead of msleep() for more accurate timer.
In addition, reducing the time interval will increase the messages
output, so remove the "Retry ..." message, instead, track time and
output to the the sucessful message.
Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit df4393424af3fbdcd5c404077176082a8ce459c4 ]
There is an issue with threaded interrupts which are marked ONESHOT
and using the fasteoi handler:
if (IS_ONESHOT())
mask_irq();
....
cond_unmask_eoi_irq()
chip->irq_eoi();
if (setaffinity_pending) {
mask_ioapic();
...
move_affinity();
unmask_ioapic();
}
So if setaffinity is pending the interrupt will be moved and then
unconditionally unmasked at the ioapic level, which is wrong in two
aspects:
1) It should be kept masked up to the point where the threaded handler
finished.
2) The physical chip state and the software masked state are inconsistent
Guard both the mask and the unmask with a check for the software masked
state. If the line is marked masked then the ioapic line is also masked, so
both mask_ioapic() and unmask_ioapic() can be skipped safely.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sebastian Siewior <bigeasy@linutronix.de>
Fixes: 3aa551c9b4c4 ("genirq: add threaded interrupt handler support")
Link: https://lkml.kernel.org/r/20191017101938.321393687@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit ec3b7b6eb8c90b52f61adff11b6db7a8db34de19 ]
"clock" may be copied to "best_clock". Initializing best_clock
is not sufficient. The fix initializes clock as well to avoid
memory disclosures and informaiton leaks.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20191018044150.1899-1-kjlu@umn.edu
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit eb8c101e28496888a0dcfe16ab86a1bee369e820 ]
During the setup() stage, HCI device drivers expect the chip to
acknowledge its setup() completion via vendor specific frames.
If userspace opens() such HCI device in HCI_USER_CHANNEL [1] mode,
the vendor specific frames are never tranmitted to the driver, as
they are filtered in hci_rx_work().
Allow HCI devices which operate in HCI_USER_CHANNEL mode to receive
frames if the HCI device is is HCI_INIT state.
[1] https://www.spinics.net/lists/linux-bluetooth/msg37345.html
Fixes: 23500189d7e0 ("Bluetooth: Introduce new HCI socket channel for user operation")
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit db033831b4f5589f9fcbadb837614a7c4eac0308 ]
All the registers are configured by the driver, let's reset the chip
at probe time, avoiding any conflict with a possible earlier
configuration.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 800d3f561659b5436f8c57e7c26dd1f6928b5615 ]
We received a user report that call-graph DWARF mode was enabled in
'perf record' but 'perf report' didn't unwind the callstack correctly.
The reason was, libunwind was not compiled in.
We can use 'perf -vv' to check the compiled libraries but it would be
valuable to report a warning to user directly (especially valuable for
a perf newbie).
The warning is:
Warning:
Please install libunwind development packages during the perf build.
Both TUI and stdio are supported.
Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20191011022122.26369-1-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit f53e2cd0b8ab7d9e390414470bdbd830f660133f ]
We call native_set_fixmap indirectly through the function pointer
struct pv_mmu_ops::set_fixmap, which expects the first parameter to be
'unsigned' instead of 'enum fixed_addresses'. This patch changes the
function type for native_set_fixmap to match the pointer, which fixes
indirect call mismatches with Control-Flow Integrity (CFI) checking.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H . Peter Anvin <hpa@zytor.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190913211402.193018-1-samitolvanen@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 6942635032cfd3e003e980d2dfa4e6323a3ce145 ]
On some devices (e.g. Samsung Galaxy A5 (2015)), the bootloader
seems to keep interrupts enabled for SM5502 when booting Linux.
Changing the cable state (i.e. plugging in a cable) - until the driver
is loaded - will therefore produce an interrupt that is never read.
In this situation, the cable state will be stuck forever on the
initial state because SM5502 stops sending interrupts.
This can be avoided by clearing those pending interrupts after
the driver has been loaded.
One way to do this is to reset all registers to default state
by writing to SM5502_REG_RESET. This ensures that we start from
a clean state, with all interrupts disabled.
Suggested-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit e20b248051ca0f90d84b4d9378e4780bc31f16c6 ]
v4l2-compliance fails with this message:
fail: v4l2-test-formats.cpp(672): \
Video Capture Multiplanar: TRY_FMT(G_FMT) != G_FMT
fail: v4l2-test-formats.cpp(672): \
Video Output Multiplanar: TRY_FMT(G_FMT) != G_FMT
...
test VIDIOC_TRY_FMT: FAIL
The default pixel format was setup as pointing to a specific offset in
the vpe_formats table assuming it was pointing to the V4L2_PIX_FMT_YUYV
entry. This became false after the addition on the NV21 format (see
above commid-id)
So instead of hard-coding an offset which might change over time we need
to use a lookup helper instead so we know the default will always be what
we intended.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Fixes: 40cc823f7005 ("media: ti-vpe: Add support for NV21 format")
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 2444846c0dbfa4ead21b621e4300ec32c90fbf38 ]
v4l2-compliance fails with this message:
fail: v4l2-test-buffers.cpp(294): \
(int)g_sequence() < seq.last_seq + 1
fail: v4l2-test-buffers.cpp(740): \
buf.check(m2m_q, last_m2m_seq)
fail: v4l2-test-buffers.cpp(974): \
captureBufs(node, q, m2m_q, frame_count, true)
test MMAP: FAIL
The driver is failing to update the source frame sequence number in the
vb2 buffer object. Only the destination frame sequence was being
updated.
This is only a reporting issue if the user space app actually cares
about the frame sequence number. But it is fixed nonetheless.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 06bec72b250b2cb3ba96fa45c2b8e0fb83745517 ]
v4l2-compliance warns with this message:
warn: v4l2-test-formats.cpp(717): \
TRY_FMT cannot handle an invalid pixelformat.
warn: v4l2-test-formats.cpp(718): \
This may or may not be a problem. For more information see:
warn: v4l2-test-formats.cpp(719): \
http://www.mail-archive.com/linux-media@vger.kernel.org/msg56550.html
...
test VIDIOC_TRY_FMT: FAIL
We need to make sure that the returns a valid pixel format in all
instance. Based on the v4l2 framework convention drivers must return a
valid pixel format when the requested pixel format is either invalid or
not supported.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit d10dcb615c8e29d403a24d35f8310a7a53e3050c ]
In mwifiex_pcie_init_evt_ring, a new skb is allocated which should be
released if mwifiex_map_pci_memory() fails. The release for skb and
card->evtbd_ring_vbase is added.
Fixes: 0732484b47b5 ("mwifiex: separate ring initialization and ring creation routines")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Acked-by: Ganapathi Bhat <gbhat@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3cad8f911575191fb3b81d8ed0e061e30f922223 ]
Currently, proc_cmd is used to dispatch command to 'pg_ctrl', 'pg_thread',
'pg_set'. proc_cmd is designed to check command result with grep the
"Result:", but this might fail since this string is only shown in
'pg_thread' and 'pg_set'.
This commit fixes this logic by grep-ing the "Result:" string only when
the command is not for 'pg_ctrl'.
For clarity of an execution flow, 'errexit' flag has been set.
To cleanup pktgen on exit, trap has been added for EXIT signal.
Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 649cd16c438f51d4cd777e71ca1f47f6e0c5e65d ]
If usb_set_interface() failed, iface->cur_altsetting will
not be assigned and it will be used in flexcop_usb_transfer_init()
It may lead a NULL pointer dereference.
Check usb_set_interface() return value in flexcop_usb_init()
and return failed to avoid using this NULL pointer.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 472b39c3d1bba0616eb0e9a8fa3ad0f56927c7d7 ]
Inside function max8907_regulator_probe(), variable val could
be uninitialized if regmap_read() fails. However, val is used
later in the if statement to decide the content written to
"pmic", which is potentially unsafe.
Signed-off-by: Yizhuo <yzhai003@ucr.edu>
Link: https://lore.kernel.org/r/20191003175813.16415-1-yzhai003@ucr.edu
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit eaecce12f5f0d2c35d278e41e1bc4522393861ab ]
When unloading omap3-rom-rng, we'll get the following:
WARNING: CPU: 0 PID: 100 at drivers/clk/clk.c:948 clk_core_disable
This is because the clock may be already disabled by omap3_rom_rng_idle().
Let's fix the issue by checking for rng_idle on exit.
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Adam Ford <aford173@gmail.com>
Cc: Pali Rohár <pali.rohar@gmail.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Fixes: 1c6b7c2108bd ("hwrng: OMAP3 ROM Random Number Generator support")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 39abcc84846bbc0538f13c190b6a9c7e36890cd2 ]
When R-Car Gen3 USB 2.0 is in Gadget mode, if host is detached an interrupt
will be generated and Suspended state bit is set in interrupt status
register. Interrupt handler will call driver->suspend(composite_suspend)
if suspended state bit is set. composite_suspend will call
ffs_func_suspend which will post FUNCTIONFS_SUSPEND and will be consumed
by user space application via /dev/ep0.
To be able to detect host detach, extend the DVSQ_MASK to cover the
Suspended bit of the DVSQ[2:0] bitfield from the Interrupt Status
Register 0 (INTSTS0) register and perform appropriate action in the
DVST interrupt handler (usbhsg_irq_dev_state).
Without this commit, disconnection of the phone from R-Car-H3 ES2.0
Salvator-X CN9 port is not recognized and reverse role switch does
not happen. If phone is connected again it does not enumerate.
With this commit, disconnection will be recognized and reverse role
switch will happen by a user space application. If phone is connected
again it will enumerate properly and will become visible in the output
of 'lsusb'.
Signed-off-by: Veeraiyan Chidambaram <veeraiyan.chidambaram@in.bosch.com>
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/1568207756-22325-3-git-send-email-external.veeraiyan.c@de.adit-jv.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7e5705c635ecfccde559ebbbe1eaf05b5cc60529 ]
When building cpupower with clang, the following warning appears:
utils/idle_monitor/hsw_ext_idle.c:42:16: warning: initializer overrides
prior initialization of this subobject [-Winitializer-overrides]
.desc = N_("Processor Package C2"),
^~~~~~~~~~~~~~~~~~~~~~
./utils/helpers/helpers.h:25:33: note: expanded from macro 'N_'
#define N_(String) gettext_noop(String)
^~~~~~
./utils/helpers/helpers.h:23:30: note: expanded from macro
'gettext_noop'
#define gettext_noop(String) String
^~~~~~
utils/idle_monitor/hsw_ext_idle.c:41:16: note: previous initialization
is here
.desc = N_("Processor Package C9"),
^~~~~~~~~~~~~~~~~~~~~~
./utils/helpers/helpers.h:25:33: note: expanded from macro 'N_'
#define N_(String) gettext_noop(String)
^~~~~~
./utils/helpers/helpers.h:23:30: note: expanded from macro
'gettext_noop'
#define gettext_noop(String) String
^~~~~~
1 warning generated.
This appears to be a copy and paste or merge mistake because the name
and id fields both have PC9 in them, not PC2. Remove the second
assignment to fix the warning.
Fixes: 7ee767b69b68 ("cpupower: Add Haswell family 0x45 specific idle monitor to show PC8,9,10 states")
Link: https://github.com/ClangBuiltLinux/linux/issues/718
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3143b459de4cdcce67b36827476c966e93c1cf01 ]
The driver stores frame format settings supposed to be in line with
hardware state in a device private structure. Since the driver initial
submission, those settings are updated before they are actually applied
on hardware. If an error occurs on device update, the stored settings
my not reflect hardware state anymore and consecutive calls to
.get_fmt() may return incorrect information. That in turn may affect
ability of a bridge device to use correct DMA transfer settings if such
incorrect informmation on active frame format returned by .get_fmt() is
used.
Assuming a failed device update means its state hasn't changed, update
frame format related settings stored in the device private structure
only after they are successfully applied so the stored values always
reflect hardware state as closely as possible.
Fixes: 2f6e2404799a ("[media] SoC Camera: add driver for OV6650 sensor")
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9d669fbfca20e6035ead814e55d9ef1a6b500540 ]
The initial registers sequence is only loaded at probe
time. Afterward only the resolution and format specific
register are modified. Care must be taken to make sure
registers modified by one resolution setting are reverted
back when another resolution is programmed.
This was not done properly for the 720p case.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 85c4043f1d403c222d481dfc91846227d66663fb ]
In ov2659_s_stream() return value for invoked function should be checked
and propagated.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 13aa21cfe92ce9ebb51824029d89f19c33f81419 ]
VIDIOC_S_STD should not return an error if the value is identical
to the current one.
This error was highlighted by the v4l2-compliance test.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Acked-by: Lad Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7718cf03c3ce4b6ebd90107643ccd01c952a1fce ]
In case we don't set the sg_prot_tablesize, the scsi layer assign the
default size (65535 entries). We should limit this size since we should
take into consideration the underlaying device capability. This cap is
considered when calculating the sg_tablesize. Otherwise, for example,
we can get that /sys/block/sdb/queue/max_segments is 128 and
/sys/block/sdb/queue/max_integrity_segments is 65535.
Link: https://lore.kernel.org/r/1569359027-10987-1-git-send-email-maxg@mellanox.com
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3f93616951138a598d930dcaec40f2bfd9ce43bb ]
In rtl_usb_probe if allocation for usb_data fails the allocated hw
should be released. In addition the allocated rtlpriv->usb_data should
be released on error handling path.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 228241944a48113470d3c3b46c88ba7fbe0a274b ]
Inside a nested 'else' block at the beginning of this function is a
call that assigns 'psta' to the return value of 'rtw_get_stainfo()'.
If 'rtw_get_stainfo()' returns NULL and the flow of control reaches
the 'else if' where 'psta' is dereferenced, then we will dereference
a NULL pointer.
Fix this by checking if 'psta' is not NULL before reading its
'psta->qos_option' data member.
Addresses-Coverity: ("Dereference null return value")
Signed-off-by: Connor Kuehl <connor.kuehl@canonical.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Link: https://lore.kernel.org/r/20190926150317.5894-1-connor.kuehl@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9f918a728cf86b2757b6a7025e1f46824bfe3155 ]
This change is necessary for spidev devices (e.g. /dev/spidev3.0) working
in the slave mode (like NXP's dspi driver for Vybrid SoC).
When SPI HW works in this mode - the master is responsible for providing
CS and CLK signals. However, when some fault happens - like for example
distortion on SPI lines - the SPI Linux driver needs a chance to recover
from this abnormal situation and prepare itself for next (correct)
transmission.
This change doesn't pose any threat on drivers working in master mode as
spi_slave_abort() function checks if SPI slave mode is supported.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Link: https://lore.kernel.org/r/20190924110547.14770-2-lukma@denx.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Reported-by: kbuild test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20190925091143.15468-2-lukma@denx.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit f552fde983d378e7339f9ea74a25f918563bf0d3 ]
Separate the declaration of struct bh1750_chip_info from definition
of bh1750_chip_info_tbl[] in a single statement as it makes the code
hard to read, and with the extra newline it makes it look as if the
bh1750_chip_info_tbl[] had no explicit type.
This change also resolves the following compiler warning about the
unusual position of the static keyword that can be seen when building
with warnings enabled (W=1):
drivers/iio/light/bh1750.c:64:1: warning:
‘static’ is not at beginning of declaration [-Wold-style-declaration]
Related to commit 3a11fbb037a1 ("iio: light: add support for ROHM
BH1710/BH1715/BH1721/BH1750/BH1751 ambient light sensors").
Signed-off-by: Krzysztof Wilczynski <kw@linux.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
commit cb04fc3b6b076f67d228a0b7d096c69ad486c09c upstream.
Introduce a timeout to dspio_clear_response_queue() so that it won't
be caught in an endless loop even if the hardware doesn't respond
properly.
Fixes: a73d511c4867 ("ALSA: hda/ca0132: Add unsol handler for DSP and jack detection")
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191213085111.22855-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 377bc0cfabce0244632dada19060839ced4e6949 upstream.
We need to keep power on while processing the DSP response via unsol
event. Each snd_hda_codec_read() call does the power management, so
it should work normally, but still it's safer to keep the power up for
the whole function.
Fixes: a73d511c4867 ("ALSA: hda/ca0132: Add unsol handler for DSP and jack detection")
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191213085111.22855-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 714cd3e8cba6841220dce9063a7388a81de03825 upstream.
If we get an -ENOENT back from btrfs_uuid_iter_rem when iterating the
uuid tree we'll just continue and do btrfs_next_item(). However we've
done a btrfs_release_path() at this point and no longer have a valid
path. So increment the key and go back and do a normal search.
CC: stable@vger.kernel.org # 4.4+
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit ca1aa2818a53875cfdd175fb5e9a2984e997cce9 upstream.
If we fail to read the fs root corresponding with a reloc root we'll
just break out and free the reloc roots. But we remove our current
reloc_root from this list higher up, which means we'll leak this
reloc_root. Fix this by adding ourselves back to the reloc_roots list
so we are properly cleaned up.
CC: stable@vger.kernel.org # 4.4+
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 07b3975352374c3f5ebb4a42ef0b253fe370542d upstream.
Currently, if we drop a packet, we exit from NAPI loop before the budget
is consumed. In some situations this will make the RX processing stall
e.g. when flood pinging the system with oversized packets, as the
errorneous packets are not dropped efficiently.
If we drop a packet, we should just continue to the next one as long as
the budget allows.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[acj: backport v4.4 -stable
-adjust context]
Signed-off-by: Aviraj CJ <acj@cisco.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 583e6361414903c5206258a30e5bd88cb03c0254 upstream.
We always program the maximum DMA buffer size into the receive descriptor,
although the allocated size may be less. E.g. with the default MTU size
we allocate only 1536 bytes. If somebody sends us a bigger frame, then
memory may get corrupted.
Fix by using exact buffer sizes.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[acj: backport to v4.4 -stable :
- Modified patch since v4.4 driver has no support for Big endian
- Skipped the section modifying non-existent functions in dwmac4_descs.c and
dwxgmac2_descs.c ]
Signed-off-by: Aviraj CJ <acj@cisco.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 057d476fff778f1d3b9f861fdb5437ea1a3cfc99 upstream.
A race in xhci USB3 remote wake handling may force device back to suspend
after it initiated resume siganaling, causing a missed resume event or warm
reset of device.
When a USB3 link completes resume signaling and goes to enabled (UO)
state a interrupt is issued and the interrupt handler will clear the
bus_state->port_remote_wakeup resume flag, allowing bus suspend.
If the USB3 roothub thread just finished reading port status before
the interrupt, finding ports still in suspended (U3) state, but hasn't
yet started suspending the hub, then the xhci interrupt handler will clear
the flag that prevented roothub suspend and allow bus to suspend, forcing
all port links back to suspended (U3) state.
Example case:
usb_runtime_suspend() # because all ports still show suspended U3
usb_suspend_both()
hub_suspend(); # successful as hub->wakeup_bits not set yet
==> INTERRUPT
xhci_irq()
handle_port_status()
clear bus_state->port_remote_wakeup
usb_wakeup_notification()
sets hub->wakeup_bits;
kick_hub_wq()
<== END INTERRUPT
hcd_bus_suspend()
xhci_bus_suspend() # success as port_remote_wakeup bits cleared
Fix this by increasing roothub usage count during port resume to prevent
roothub autosuspend, and by making sure bus_state->port_remote_wakeup
flag is only cleared after resume completion is visible, i.e.
after xhci roothub returned U0 or other non-U3 link state link on a
get port status request.
Issue rootcaused by Chiasheng Lee
Cc: <stable@vger.kernel.org>
Cc: Lee, Hou-hsun <hou-hsun.lee@intel.com>
Reported-by: Lee, Chiasheng <chiasheng.lee@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20191211142007.8847-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 008037d4d972c9c47b273e40e52ae34f9d9e33e7 upstream.
Shift and mask were reversed. Noticed by chance.
Tested-by: Meelis Roos <mroos@linux.ee>
Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 474e559567fa631dea8fb8407ab1b6090c903755 upstream.
We got the following warnings from thin_check during thin-pool setup:
$ thin_check /dev/vdb
examining superblock
examining devices tree
missing devices: [1, 84]
too few entries in btree_node: 41, expected at least 42 (block 138, max_entries = 126)
examining mapping tree
The phenomenon is the number of entries in one node of details_info tree is
less than (max_entries / 3). And it can be easily reproduced by the following
procedures:
$ new a thin pool
$ presume the max entries of details_info tree is 126
$ new 127 thin devices (e.g. 1~127) to make the root node being full
and then split
$ remove the first 43 (e.g. 1~43) thin devices to make the children
reblance repeatedly
$ stop the thin pool
$ thin_check
The root cause is that the B-tree removal procedure in __rebalance2()
doesn't guarantee the invariance: the minimal number of entries in
non-root node should be >= (max_entries / 3).
Simply fix the problem by increasing the rebalance threshold to
make sure the number of entries in each child will be greater
than or equal to (max_entries / 3 + 1), so no matter which
child is used for removal, the number will still be valid.
Cc: stable@vger.kernel.org
Signed-off-by: Hou Tao <houtao1@huawei.com>
Acked-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit d567fb8819162099035e546b11a736e29c2af0ea upstream.
Since irq_bypass_register_producer() is called after request_irq(), we
should do tear-down in reverse order: irq_bypass_unregister_producer()
then free_irq().
Specifically free_irq() may release resources required by the
irqbypass del_producer() callback. Notably an example provided by
Marc Zyngier on arm64 with GICv4 that he indicates has the potential
to wedge the hardware:
free_irq(irq)
__free_irq(irq)
irq_domain_deactivate_irq(irq)
its_irq_domain_deactivate()
[unmap the VLPI from the ITS]
kvm_arch_irq_bypass_del_producer(cons, prod)
kvm_vgic_v4_unset_forwarding(kvm, irq, ...)
its_unmap_vlpi(irq)
[Unmap the VLPI from the ITS (again), remap the original LPI]
Signed-off-by: Jiang Yi <giangyi@amazon.com>
Cc: stable@vger.kernel.org # v4.4+
Fixes: 6d7425f109d26 ("vfio: Register/unregister irq_bypass_producer")
Link: https://lore.kernel.org/kvm/20191127164910.15888-1-giangyi@amazon.com
Reviewed-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
[aw: commit log]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit d70f7d31a9e2088e8a507194354d41ea10062994 upstream.
There is an unfortunate typo in the code that results in writing to
FLOW_CTLR_HALT instead of FLOW_CTLR_CSR.
Cc: <stable@vger.kernel.org>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 44805b0e62f15e90d233485420e1847133716bdc upstream.
Currently the client translates O_SYNC and O_DIRECT flags
into corresponding SMB create options when openning a file.
The problem is that on reconnect when the file is being
re-opened the client doesn't set those flags and it causes
a server to reject re-open requests because create options
don't match. The latter means that any subsequent system
call against that open file fail until a share is re-mounted.
Fix this by properly setting SMB create options when
re-openning files after reconnects.
Fixes: 1013e760d10e6: ("SMB3: Don't ignore O_SYNC/O_DSYNC and O_DIRECT flags")
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 36de10c4788efc6efe6ff9aa10d38cb7eea4c818 upstream.
Virtual and translated addresses retrieved by the xtensa TLB sanity
checker must be consistent, i.e. correspond to the same state of the
checked TLB entry. KASAN shadow memory is mapped dynamically using
auto-refill TLB entries and thus may change TLB state between the
virtual and translated address retrieval, resulting in false TLB
insanity report.
Move read_xtlb_translation close to read_xtlb_virtual to make sure that
read values are consistent.
Cc: stable@vger.kernel.org
Fixes: a99e07ee5e88 ("xtensa: check TLB sanity on return to userspace")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit e045fa29e89383c717e308609edd19d2fd29e1be upstream.
When a driver enables MSI-X, msix_program_entries() reads the MSI-X Vector
Control register for each vector and saves it in desc->masked. Each
register is 32 bits and bit 0 is the actual Mask bit.
When we restored these registers during resume, we previously set the Mask
bit if *any* bit in desc->masked was set instead of when the Mask bit
itself was set:
pci_restore_state
pci_restore_msi_state
__pci_restore_msix_state
for_each_pci_msi_entry
msix_mask_irq(entry, entry->masked) <-- entire u32 word
__pci_msix_desc_mask_irq(desc, flag)
mask_bits = desc->masked & ~PCI_MSIX_ENTRY_CTRL_MASKBIT
if (flag) <-- testing entire u32, not just bit 0
mask_bits |= PCI_MSIX_ENTRY_CTRL_MASKBIT
writel(mask_bits, desc_addr + PCI_MSIX_ENTRY_VECTOR_CTRL)
This means that after resume, MSI-X vectors were masked when they shouldn't
be, which leads to timeouts like this:
nvme nvme0: I/O 978 QID 3 timeout, completion polled
On resume, set the Mask bit only when the saved Mask bit from suspend was
set.
This should remove the need for 19ea025e1d28 ("nvme: Add quirk for Kingston
NVME SSD running FW E8FK11.T").
[bhelgaas: commit log, move fix to __pci_msix_desc_mask_irq()]
Link: https://bugzilla.kernel.org/show_bug.cgi?id=204887
Link: https://lore.kernel.org/r/20191008034238.2503-1-jian-hong@endlessm.com
Fixes: f2440d9acbe8 ("PCI MSI: Refactor interrupt masking code")
Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit d8558ac8c93d429d65d7490b512a3a67e559d0d4 upstream.
According to documentation [0] the correct offset for the Upstream Peer
Decode Configuration Register (UPDCR) is 0x1014. It was previously defined
as 0x1114.
d99321b63b1f ("PCI: Enable quirks for PCIe ACS on Intel PCH root ports")
intended to enforce isolation between PCI devices allowing them to be put
into separate IOMMU groups. Due to the wrong register offset the intended
isolation was not fully enforced. This is fixed with this patch.
Please note that I did not test this patch because I have no hardware that
implements this register.
[0] https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/4th-gen-core-family-mobile-i-o-datasheet.pdf (page 325)
Fixes: d99321b63b1f ("PCI: Enable quirks for PCIe ACS on Intel PCH root ports")
Link: https://lore.kernel.org/r/7a3505df-79ba-8a28-464c-88b83eefffa6@kernkonzept.com
Signed-off-by: Steffen Liebergeld <steffen.liebergeld@kernkonzept.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
Acked-by: Ashok Raj <ashok.raj@intel.com>
Cc: stable@vger.kernel.org # v3.15+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit 51302f77bedab8768b761ed1899c08f89af9e4e2 ]
Now RX interrupt is triggered twice every time, because in
cpsw_rx_interrupt() it is asked first and then disabled. So there will be
pending interrupt always, when RX interrupt is enabled again in NAPI
handler.
Fix it by first disabling IRQ and then do ask.
Fixes: 870915feabdc ("drivers: net: cpsw: remove disable_irq/enable_irq as irq can be masked from cpsw itself")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit 721c8dafad26ccfa90ff659ee19755e3377b829d ]
Syncookies borrow the ->rx_opt.ts_recent_stamp field to store the
timestamp of the last synflood. Protect them with READ_ONCE() and
WRITE_ONCE() since reads and writes aren't serialised.
Use of .rx_opt.ts_recent_stamp for storing the synflood timestamp was
introduced by a0f82f64e269 ("syncookies: remove last_synq_overflow from
struct tcp_sock"). But unprotected accesses were already there when
timestamp was stored in .last_synq_overflow.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit cb44a08f8647fd2e8db5cc9ac27cd8355fa392d8 ]
When no synflood occurs, the synflood timestamp isn't updated.
Therefore it can be so old that time_after32() can consider it to be
in the future.
That's a problem for tcp_synq_no_recent_overflow() as it may report
that a recent overflow occurred while, in fact, it's just that jiffies
has grown past 'last_overflow' + TCP_SYNCOOKIE_VALID + 2^31.
Spurious detection of recent overflows lead to extra syncookie
verification in cookie_v[46]_check(). At that point, the verification
should fail and the packet dropped. But we should have dropped the
packet earlier as we didn't even send a syncookie.
Let's refine tcp_synq_no_recent_overflow() to report a recent overflow
only if jiffies is within the
[last_overflow, last_overflow + TCP_SYNCOOKIE_VALID] interval. This
way, no spurious recent overflow is reported when jiffies wraps and
'last_overflow' becomes in the future from the point of view of
time_after32().
However, if jiffies wraps and enters the
[last_overflow, last_overflow + TCP_SYNCOOKIE_VALID] interval (with
'last_overflow' being a stale synflood timestamp), then
tcp_synq_no_recent_overflow() still erroneously reports an
overflow. In such cases, we have to rely on syncookie verification
to drop the packet. We unfortunately have no way to differentiate
between a fresh and a stale syncookie timestamp.
In practice, using last_overflow as lower bound is problematic.
If the synflood timestamp is concurrently updated between the time
we read jiffies and the moment we store the timestamp in
'last_overflow', then 'now' becomes smaller than 'last_overflow' and
tcp_synq_no_recent_overflow() returns true, potentially dropping a
valid syncookie.
Reading jiffies after loading the timestamp could fix the problem,
but that'd require a memory barrier. Let's just accommodate for
potential timestamp growth instead and extend the interval using
'last_overflow - HZ' as lower bound.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
