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Check CRC of incoming touch packets to ensure that we do not operate on
corrupted data.
Signed-off-by: Jeffrey Lin <jeffrey.lin@rad-ic.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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... as being the simpler variant.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This patch fix a double word "is is" found in in
Documentation/DocBook/device-drivers.xml.
It is because the file was created from comments in sources,
so I have to fix the double words in include/linux/input.h
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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| ~/linux/arch/arc/kernel/setup.c: In function show_cpuinfo:
| ~/linux/arch/arc/kernel/setup.c:463:9: error: implicit declaration of function of_find_node_by_name [-Werror=implicit-function-declaration]
| struct device_node *core_clk = of_find_node_by_name(NULL, "core_clk");
Reported-by: Anton Kolesov <akolesov@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Johan Hedberg says:
====================
pull request: bluetooth-next 2016-07-13
Here's our main bluetooth-next pull request for the 4.8 kernel:
- Fixes and cleanups in 802.15.4 and 6LoWPAN code
- Fix out of bounds issue in btmrvl driver
- Fixes to Bluetooth socket recvmsg return values
- Use crypto_cipher_encrypt_one() instead of crypto_skcipher
- Cleanup of Bluetooth connection sysfs interface
- New Authentication failure reson code for Disconnected mgmt event
- New USB IDs for Atheros, Qualcomm and Intel Bluetooth controllers
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Any clock dependencies can be properly handled with deferred probing
so we can remove core_initcall and switch to a proper loadable platform
driver module.
This change has been tested on Exynos4412 Odroid U3 based board.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/1467987300-31450-1-git-send-email-s.nawrocki@samsung.com
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The Kconfig currently controlling compilation of this code is:
arch/arm/mach-s5pv210/Kconfig:config ARCH_S5PV210
arch/arm/mach-s5pv210/Kconfig: bool "Samsung S5PV210/S5PC110" if ARCH_MULTI_V7
...meaning that it currently is not being built as a module by anyone.
Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.
We explicitly disallow a driver unbind, since that doesn't have a
sensible use case anyway, and it allows us to drop the ".remove"
code for non-modular drivers.
Since this code is already not using module_init, case, the init
ordering remains unchanged with this commit.
We also delete the MODULE_LICENSE tags etc. since all that information
is already contained at the top of the file in the comments.
Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: linux-samsung-soc@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160704211220.5685-8-paul.gortmaker@windriver.com
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Because the Exynos5433 SPI driver supports the ioclk handling and
the following patch:
http://marc.info/?l=linux-kernel&m=146787645626318&w=2
fixes a synchronus abort issue, none of the SPI clocks require
any critical handling: remove, then, the CLK_IGNORE_UNUSED flag
for the SPI related clocks.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/1468317736-18841-8-git-send-email-andi.shyti@samsung.com
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf and timer fixes from Ingo Molnar:
"A fix for a posix CPU timers bug, and a perf printk message fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86: Fix bogus kernel printk, again
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
posix_cpu_timer: Exit early when process has been reaped
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This driver supports bringing the Q6V5 out of reset, load and drive
the self-authenticating boot loader and use this to load the mdt and
subsequent bXX files.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"This contains three commits to fix memory corruption bugs with certain
Apple AirPort cards, plus a fix for a X86_BUG() ID definitions collision
bug in asm/cpufeatures.h"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/quirks: Add early quirk to reset Apple AirPort card
x86/quirks: Reintroduce scanning of secondary buses
x86/quirks: Apply nvidia_bugs quirk only on root bus
x86/cpu: Fix duplicated X86_BUG(9) macro
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fixes from Ingo Molnar:
"Fix an objtool false positive plus an UP kernel memory corruption bug
on certain configs"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu/hotplug: Keep enough storage space if SMP=n to avoid array out of bounds scribble
objtool: Fix STACK_FRAME_NON_STANDARD macro checking for function symbols
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Willem de Bruijn says:
====================
limit sk_filter trim to payload
Sockets can apply a filter to incoming packets to drop or trim them.
Fix two codepaths that call skb_pull/__skb_pull after sk_filter
without checking for packet length.
Reading beyond skb->tail after trimming happens in more codepaths, but
safety of reading in the linear segment is based on minimum allocation
size (MAX_HEADER, GRO_MAX_HEAD, ..).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Dccp verifies packet integrity, including length, at initial rcv in
dccp_invalid_packet, later pulls headers in dccp_enqueue_skb.
A call to sk_filter in-between can cause __skb_pull to wrap skb->len.
skb_copy_datagram_msg interprets this as a negative value, so
(correctly) fails with EFAULT. The negative length is reported in
ioctl SIOCINQ or possibly in a DCCP_WARN in dccp_close.
Introduce an sk_receive_skb variant that caps how small a filter
program can trim packets, and call this in dccp with the header
length. Excessively trimmed packets are now processed normally and
queued for reception as 0B payloads.
Fixes: 7c657876b63c ("[DCCP]: Initial implementation")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sockets can have a filter program attached that drops or trims
incoming packets based on the filter program return value.
Rose requires data packets to have at least ROSE_MIN_LEN bytes. It
verifies this on arrival in rose_route_frame and unconditionally pulls
the bytes in rose_recvmsg. The filter can trim packets to below this
value in-between, causing pull to fail, leaving the partial header at
the time of skb_copy_datagram_msg.
Place a lower bound on the size to which sk_filter may trim packets
by introducing sk_filter_trim_cap and call this for rose packets.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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address
If a system configures the Nuvoton chip to use the alternative
EFM IO address (CR_EFIR2) then after probing the primary EFM IO
address (CR_EFIR) this region is not released.
If a driver for another function of the Nuvoton Super I/O
chip uses the same probing mechanism then it will hang if
loaded after the nuvoton-cir driver.
This was reported for the nct6775 hwmon driver.
Fix this by properly releasing the region after probing CR_EFIR.
This regression was introduced with kernel 4.6 so cc it to stable.
Reported-by: Antti Seppälä <a.seppala@gmail.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Tested-by: Antti Seppälä <a.seppala@gmail.com>
Cc: <stable@vger.kernel.org> # 4.6.x-
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Don't free the object until the file handle has been closed. Fixes
use-after-free bug which occurs when I disconnect my DVB-S received
while VDR is running.
This is a crash dump of such a use-after-free:
general protection fault: 0000 [#1] SMP
CPU: 0 PID: 2541 Comm: CI adapter on d Not tainted 4.7.0-rc1-hosting+ #49
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
task: ffff880027d7ce00 ti: ffff88003d8f8000 task.ti: ffff88003d8f8000
RIP: 0010:[<ffffffff812f3d1f>] [<ffffffff812f3d1f>] dvb_ca_en50221_io_read_condition.isra.7+0x6f/0x150
RSP: 0018:ffff88003d8fba98 EFLAGS: 00010206
RAX: 0000000059534255 RBX: 000000753d470f90 RCX: ffff88003c74d181
RDX: 00000001bea04ba9 RSI: ffff88003d8fbaf4 RDI: 3a3030a56d763fc0
RBP: ffff88003d8fbae0 R08: ffff88003c74d180 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88003c480e00
R13: 00000000ffffffff R14: 0000000059534255 R15: 0000000000000000
FS: 00007fb4209b4700(0000) GS:ffff88003fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f06445f4078 CR3: 000000003c55b000 CR4: 00000000000006b0
Stack:
ffff88003d8fbaf4 000000003c2170c0 0000000000004000 0000000000000000
ffff88003c480e00 ffff88003d8fbc80 ffff88003c74d180 ffff88003d8fbb8c
0000000000000000 ffff88003d8fbb10 ffffffff812f3e37 ffff88003d8fbb00
Call Trace:
[<ffffffff812f3e37>] dvb_ca_en50221_io_poll+0x37/0xa0
[<ffffffff8113109b>] do_sys_poll+0x2db/0x520
This is a backtrace of the kernel attempting to lock a freed mutex:
#0 0xffffffff81083d40 in rep_nop () at ./arch/x86/include/asm/processor.h:569
#1 cpu_relax () at ./arch/x86/include/asm/processor.h:574
#2 virt_spin_lock (lock=<optimized out>) at ./arch/x86/include/asm/qspinlock.h:57
#3 native_queued_spin_lock_slowpath (lock=0xffff88003c480e90, val=761492029) at kernel/locking/qspinlock.c:304
#4 0xffffffff810d1a06 in pv_queued_spin_lock_slowpath (val=<optimized out>, lock=<optimized out>) at ./arch/x86/include/asm/paravirt.h:669
#5 queued_spin_lock_slowpath (val=<optimized out>, lock=<optimized out>) at ./arch/x86/include/asm/qspinlock.h:28
#6 queued_spin_lock (lock=<optimized out>) at include/asm-generic/qspinlock.h:107
#7 __mutex_lock_common (use_ww_ctx=<optimized out>, ww_ctx=<optimized out>, ip=<optimized out>, nest_lock=<optimized out>, subclass=<optimized out>,
state=<optimized out>, lock=<optimized out>) at kernel/locking/mutex.c:526
#8 mutex_lock_interruptible_nested (lock=0xffff88003c480e88, subclass=<optimized out>) at kernel/locking/mutex.c:647
#9 0xffffffff812f49fe in dvb_ca_en50221_io_do_ioctl (file=<optimized out>, cmd=761492029, parg=0x1 <irq_stack_union+1>)
at drivers/media/dvb-core/dvb_ca_en50221.c:1210
#10 0xffffffff812ee660 in dvb_usercopy (file=<optimized out>, cmd=761492029, arg=<optimized out>, func=<optimized out>) at drivers/media/dvb-core/dvbdev.c:883
#11 0xffffffff812f3410 in dvb_ca_en50221_io_ioctl (file=<optimized out>, cmd=<optimized out>, arg=<optimized out>) at drivers/media/dvb-core/dvb_ca_en50221.c:1284
#12 0xffffffff8112eddd in vfs_ioctl (arg=<optimized out>, cmd=<optimized out>, filp=<optimized out>) at fs/ioctl.c:43
#13 do_vfs_ioctl (filp=0xffff88003c480e90, fd=<optimized out>, cmd=<optimized out>, arg=<optimized out>) at fs/ioctl.c:674
#14 0xffffffff8112f30c in SYSC_ioctl (arg=<optimized out>, cmd=<optimized out>, fd=<optimized out>) at fs/ioctl.c:689
#15 SyS_ioctl (fd=6, cmd=2148298626, arg=140734533693696) at fs/ioctl.c:680
#16 0xffffffff8103feb2 in entry_SYSCALL_64 () at arch/x86/entry/entry_64.S:207
Signed-off-by: Max Kellermann <max@duempel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The wait_event() call in dvb_unregister_frontend() waits synchronously
for other tasks to free a file descriptor, but it does that while
holding several mutexes. That alone is a bad idea, but if one user
process happens to keep a (defunct) file descriptor open indefinitely,
the kernel will correctly detect a hung task:
INFO: task kworker/0:1:314 blocked for more than 30 seconds.
Not tainted 4.7.0-rc1-hosting+ #50
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/0:1 D ffff88003daf7a50 0 314 2 0x00000000
Workqueue: usb_hub_wq hub_event
ffff88003daf7a50 0000000000000296 ffff88003daf7a30 ffff88003fc13f98
ffff88003dadce00 ffff88003daf8000 ffff88003e3fc010 ffff88003d48d4f8
ffff88003e3b5030 ffff88003e3f8898 ffff88003daf7a68 ffffffff810cf860
Call Trace:
[<ffffffff810cf860>] schedule+0x30/0x80
[<ffffffff812f88d3>] dvb_unregister_frontend+0x93/0xc0
[<ffffffff8107a000>] ? __wake_up_common+0x80/0x80
[<ffffffff813019c7>] dvb_usb_adapter_frontend_exit+0x37/0x70
[<ffffffff81300614>] dvb_usb_exit+0x34/0xb0
[<ffffffff81300d4a>] dvb_usb_device_exit+0x3a/0x50
[<ffffffff81302dc2>] pctv452e_usb_disconnect+0x52/0x60
[<ffffffff81295a07>] usb_unbind_interface+0x67/0x1e0
[<ffffffff810609f3>] ? __blocking_notifier_call_chain+0x53/0x70
[<ffffffff8127ba67>] __device_release_driver+0x77/0x110
[<ffffffff8127c2d3>] device_release_driver+0x23/0x30
[<ffffffff8127ab5d>] bus_remove_device+0x10d/0x150
[<ffffffff8127879b>] device_del+0x13b/0x260
[<ffffffff81299dea>] ? usb_remove_ep_devs+0x1a/0x30
[<ffffffff8129468e>] usb_disable_device+0x9e/0x1e0
[<ffffffff8128bb09>] usb_disconnect+0x89/0x260
[<ffffffff8128db8d>] hub_event+0x30d/0xfc0
[<ffffffff81059475>] process_one_work+0x1c5/0x4a0
[<ffffffff8105940c>] ? process_one_work+0x15c/0x4a0
[<ffffffff81059799>] worker_thread+0x49/0x480
[<ffffffff81059750>] ? process_one_work+0x4a0/0x4a0
[<ffffffff81059750>] ? process_one_work+0x4a0/0x4a0
[<ffffffff8105f65e>] kthread+0xee/0x110
[<ffffffff810400bf>] ret_from_fork+0x1f/0x40
[<ffffffff8105f570>] ? __kthread_unpark+0x70/0x70
5 locks held by kworker/0:1/314:
#0: ("usb_hub_wq"){......}, at: [<ffffffff8105940c>] process_one_work+0x15c/0x4a0
#1: ((&hub->events)){......}, at: [<ffffffff8105940c>] process_one_work+0x15c/0x4a0
#2: (&dev->mutex){......}, at: [<ffffffff8128d8cb>] hub_event+0x4b/0xfc0
#3: (&dev->mutex){......}, at: [<ffffffff8128bad2>] usb_disconnect+0x52/0x260
#4: (&dev->mutex){......}, at: [<ffffffff8127c2cb>] device_release_driver+0x1b/0x30
This patch removes the blocking wait, and postpones the kfree() call
until all file handles have been closed by using struct kref.
Signed-off-by: Max Kellermann <max@duempel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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by adding trailing '*'
Signed-off-by: Aayush Gupta <aayustark007@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Not all libelf implementations have this "Please, ELF_C_READ, but use
mmap if possible" elf_begin() cmd, so provide a fallback to plain old
ELF_C_READ.
Case in point: Alpine Linux 3.4.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-1fctuknrawgoi5xqon4mu9dv@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Saeed Mahameed says:
====================
mlx5 tx timeout watchdog fixes
This patch set provides two trivial fixes for the tx timeout series lately
applied into net 4.7.
From Daniel, detect stuck queues due to BQL
From Mohamad, fix tx timeout watchdog false alarm
Hopefully those two fixes will make it to -stable, assuming
3947ca185999 ('net/mlx5e: Implement ndo_tx_timeout callback') was also backported to -stable.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Start all tx queues (including inactive ones) when opening the netdev.
Stop all tx queues (including inactive ones) when closing the netdev.
This is a workaround for the tx timeout watchdog false alarm issue in
which the netdev watchdog is polling all the tx queues which may include
inactive queues and thus once lowering the real tx queues number
(ethtool -L) it will generate tx timeout watchdog false alarms.
Fixes: 3947ca185999 ('net/mlx5e: Implement ndo_tx_timeout callback')
Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change netif_tx_queue_stopped to netif_xmit_stopped. This will show
when queues are stopped due to byte queue limits.
Fixes: 3947ca185999 ('net/mlx5e: Implement ndo_tx_timeout callback')
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update vrf documentation for changes made to 4.4 - 4.8 kernels
and iproute2 support for vrf keyword.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The LIRC_CAN_REC() returns a boolean "flag & LIRC_CAN_REC_MASK"
to check whether the device can receive data.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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When opening or closing a lirc character device, the framework
provides to the user the possibility to keep track of opening or
closing of the device by calling two functions:
- set_use_inc() when opening the device
- set_use_dec() when closing the device
if those are not set by the lirc user, the system segfaults.
Check the pointer value before calling the above functions.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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If ioctl is called, it cannot be a case of invalid system call
number (ENOSYS), that is a ENOTTY case which means that the
device doesn't support that specific ioctl command.
So, replace ENOSYS with ENOTTY.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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When comparing a variable with a constant, the comparison should
start from the variable and not from the constant. It's also
written in the human DNA.
Swap the terms of comparisons whenever the constant comes first
and fix the following checkpatch warning:
WARNING: Comparisons should place the constant on the right side of the test
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The three if statements check the same thing, merge them in only
one statement.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There are two if ... else which check the same thing in different
part of the code, they can be merged in a single check.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The whole function is inside an 'if' statement
("if (ir->d.add_to_buf)").
Check the opposite of that statement at the beginning and exit,
this way we can have one level less of indentation.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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It was set based on CONFIG_64BIT, that is available only when using
Kconfig, which we're working towards but not to the point of having this
CONFIG variable set, so synthesize it from available compiler defined
defines, __SIZEOF_LONG__ or, lacking that, __WORDSIZE.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-og5fmkr17856lhupacihwxvb@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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... use "do .. while" instead.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The code can be rearranged so that some goto paths can be removed
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This patch mutes also all the checkpatch warnings related to
printk.
Reword all the printouts so that the string doesn't need to be
split, which fixes the following checkpatch warning:
WARNING: quoted string split across lines
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Transmitters don't necessarily need to have a FIFO managed buffer
for their transfers.
When registering the driver, before allocating the buffer, check
whether the device is a transmitter or receiver. Allocate the
buffer only for receivers.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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During the driver registration, move the buffer allocation on a
separate function.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The newly added FCP support in the vsp1 driver causes a link error
when CONFIG_RENESAS_FCP=m, since it's not reachable by built-in code:
drivers/media/built-in.o: In function `vsp1_remove':
:(.text+0xdeca0): undefined reference to `rcar_fcp_put'
drivers/media/built-in.o: In function `vsp1_probe':
:(.text+0xdef44): undefined reference to `rcar_fcp_get'
We already have a conditional dependency on FCP that requires
it for ARM64, so for all others we just have to prevent setting
RENESAS_VSP1=y when RENESAS_FCP=m by extending the FCP dependency.
Fixes: 94fcdf829793 ("[media] v4l: vsp1: Add FCP support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Building without CONFIG_PM results in a harmless warning from
slightly incorrect #ifdef guards:
drivers/media/platform/vsp1/vsp1_drv.c:525:12: error: 'vsp1_pm_runtime_resume' defined but not used [-Werror=unused-function]
drivers/media/platform/vsp1/vsp1_drv.c:516:12: error: 'vsp1_pm_runtime_suspend' defined but not used [-Werror=unused-function]
This removes the existing #ifdef and instead marks all four
PM functions as __maybe_unused.
Fixes: 1e6af546ee66 ("[media] v4l: vsp1: Implement runtime PM support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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* topic/vsp1: (36 commits)
[media] v4l: vsp1: wpf: Add flipping support
[media] v4l: vsp1: rwpf: Support runtime modification of controls
[media] v4l: vsp1: Simplify alpha propagation
[media] v4l: vsp1: clu: Support runtime modification of controls
[media] v4l: vsp1: lut: Support runtime modification of controls
[media] v4l: vsp1: Support runtime modification of controls
[media] v4l: vsp1: Add Cubic Look Up Table (CLU) support
[media] v4l: vsp1: lut: Expose configuration through a control
[media] v4l: vsp1: lut: Initialize the mutex
[media] v4l: vsp1: dl: Don't free fragments with interrupts disabled
[media] v4l: vsp1: Set entities functions
[media] v4l: vsp1: Don't create LIF entity when the userspace API is enabled
[media] v4l: vsp1: Don't register media device when userspace API is disabled
[media] v4l: vsp1: Base link creation on availability of entities
[media] media: Add video statistics computation functions
[media] media: Add video processing entity functions
[media] v4l: vsp1: sru: Fix intensity control ID
[media] v4l: vsp1: Stop the pipeline upon the first STREAMOFF
[media] v4l: vsp1: Constify operation structures
[media] v4l: vsp1: pipe: Fix typo in comment
...
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Now that the frame rate can be properly set, this commit adds support
for S_PARM and G_PARM.
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Instead of using two tables to estimate the temporal decimation
factor, use a formula. This allows to get the closest fps, which
sounds better than the current tables.
Also, the current code doesn't store the real framerate.
This patch fixes the above issues.
[Ezequiel:
- introduce a TW686X_MAX_FPS macro for max_fps.
- use hweight_long instead of open coding the set bits count.]
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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For 4K LBA or very large disks, atari_partition can easily get tricked
into thinking it has found an Atari partition table. Depending on the
data in the disk, it ends up creating partitions with awkward lengths.
We saw logs like this while playing with fio.
[5.625867] nvme2n1: AHDI p2
[5.625872] nvme2n1: p2 size 2910030523 extends beyond EOD, truncated
People has had issues with misinterpreted AHDI partition tables for a long
time, see this BSD thread from 1995, for example.
https://mail-index.netbsd.org/port-atari/1995/11/19/0001.html
Since the atari partition, according to the spec, doesn't even support
sector sizes with more than 512, a quick sanity check is reasonable to
just bail out early, before even attempting to read sector 0.
Signed-off-by: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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When CONFIG_NUMA is enabled and node 0 is memoryless, the system
crashes because nvme_probe() sets the device->numa_node to 0 by
set_dev_node(&pdev->dev, 0), so it tries to allocate memory from node 0.
To avoid the crash, we should change the 0 to first_memory_node.
Signed-off-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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My static checker complains that if adap->props.num_frontends is 0 then
"ret" is uninitialized. I don't think that can happen. But "ret" is
always zero here so we can just remove the condition.
This extra check was added in commit 0d3ab8410dcb ('[media] dvb core:
must check dvb_create_media_graph()').
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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"initialize"
trivial fix to spelling mistake in dev_err message
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add the USB ID for Terratec Cinergy S2 Rev.3 (0ccd:0102).
Curiously dvb-usb-ids included already the USB ID for TERRATEC_CINERGY_S2_R3 even if the device was not supported.
Reported-by: Christian Knippel <namerp@googlemail.com>
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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