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This patch sorts out an asymmetry in deletions. Currently, table and set
deletion commands come with an implicit content flush on deletion.
However, chain deletion results in -EBUSY if there is content in this
chain, so no implicit flush happens. So you have to send a flush command
in first place to delete chains, this is inconsistent and it can be
annoying in terms of user experience.
This patch uses the new NLM_F_NONREC flag to request non-recursive chain
deletion, ie. if the chain to be removed contains rules, then this
returns EBUSY. This problem was discussed during the NFWS'17 in Faro,
Portugal. In iptables, you hit -EBUSY if you try to delete a chain that
contains rules, so you have to flush first before you can remove
anything. Since iptables-compat uses the nf_tables netlink interface, it
has to use the NLM_F_NONREC flag from userspace to retain the original
iptables semantics, ie. bail out on removing chains that contain rules.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Bail out if user requests non-recursive deletion for tables and sets.
This new flags tells nf_tables netlink interface to reject deletions if
tables and sets have content.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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In the last NFWS in Faro, Portugal, we discussed that netlink is lacking
the semantics to request non recursive deletions, ie. do not delete an
object iff it has child objects that hang from this parent object that
the user requests to be deleted.
We need this new flag to solve a problem for the iptables-compat
backward compatibility utility, that runs iptables commands using the
existing nf_tables netlink interface. Specifically, custom chains in
iptables cannot be deleted if there are rules in it, however, nf_tables
allows to remove any chain that is populated with content. To sort out
this asymmetry, iptables-compat userspace sets this new NLM_F_NONREC
flag to obtain the same semantics that iptables provides.
This new flag should only be used for deletion requests. Note this new
flag value overlaps with the existing:
* NLM_F_ROOT for get requests.
* NLM_F_REPLACE for new requests.
However, those flags should not ever be used in deletion requests.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Wrap the chain addition path in a function to make it more maintainable.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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nf_tables_newchain() is too large, wrap the chain update path in a
function to make it more maintainable.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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hda_codec_driver_probe
When hda_codec_driver_probe meet error and return failure, we need
to free resource with patch_ops.free, or we will get resource leak.
Signed-off-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnad:
"The main RCU related changes in this cycle were:
- Removal of spin_unlock_wait()
- SRCU updates
- RCU torture-test updates
- RCU Documentation updates
- Extend the sys_membarrier() ABI with the MEMBARRIER_CMD_PRIVATE_EXPEDITED variant
- Miscellaneous RCU fixes
- CPU-hotplug fixes"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (63 commits)
arch: Remove spin_unlock_wait() arch-specific definitions
locking: Remove spin_unlock_wait() generic definitions
drivers/ata: Replace spin_unlock_wait() with lock/unlock pair
ipc: Replace spin_unlock_wait() with lock/unlock pair
exit: Replace spin_unlock_wait() with lock/unlock pair
completion: Replace spin_unlock_wait() with lock/unlock pair
doc: Set down RCU's scheduling-clock-interrupt needs
doc: No longer allowed to use rcu_dereference on non-pointers
doc: Add RCU files to docbook-generation files
doc: Update memory-barriers.txt for read-to-write dependencies
doc: Update RCU documentation
membarrier: Provide expedited private command
rcu: Remove exports from rcu_idle_exit() and rcu_idle_enter()
rcu: Add warning to rcu_idle_enter() for irqs enabled
rcu: Make rcu_idle_enter() rely on callers disabling irqs
rcu: Add assertions verifying blocked-tasks list
rcu/tracing: Set disable_rcu_irq_enter on rcu_eqs_exit()
rcu: Add TPS() protection for _rcu_barrier_trace strings
rcu: Use idle versions of swait to make idle-hack clear
swait: Add idle variants which don't contribute to load average
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull debugobjects fix from Ingo Molnar:
"A single commit making debugobjects interact better with kmemleak"
* 'core-debugobjects-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
debugobjects: Make kmemleak ignore debug objects
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'spi/topic/sunxi', 'spi/topic/tegra' and 'spi/topic/tools' into spi-next
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'spi/topic/qup', 'spi/topic/rockchip' and 'spi/topic/sh' into spi-next
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'spi/topic/omap', 'spi/topic/pic32' and 'spi/topic/pl022' into spi-next
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'spi/topic/ep93xx' and 'spi/topic/falcon' into spi-next
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'spi/topic/bcm-qspi', 'spi/topic/bcm63xx' and 'spi/topic/bcm63xx-hspi' into spi-next
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Add __maybe_unused prefix for addressing the following warnings:
sound/soc/codecs/cs43130.c:2615:12: warning: ‘cs43130_runtime_resume’ defined but not used [-Wunused-function]
sound/soc/codecs/cs43130.c:2596:12: warning: ‘cs43130_runtime_suspend’ defined but not used [-Wunused-function]
Fixes: 8f1e5bf9b440 ("ASoC: cs43130: Add support for CS43130 codec")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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As compiler spotted out, there is the potential NULL-dereference in
the code when dc-measure OF is given for other than 43130/43131:
sound/soc/codecs/cs43130.c:2089:18: warning: ‘hpload_seq’ may be used uninitialized in this function [-Wmaybe-uninitialized]
Warn it and return before triggering Oops.
Fixes: 8f1e5bf9b440 ("ASoC: cs43130: Add support for CS43130 codec")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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STM32 ADC supports hardware triggers like STM32 Low-Power Timer.
For instance, STM32H7 ADC may be triggered by instances 1, 2 or 3.
Add hardware triggered mode so Low-Power Timer Trigger driver can
validate device.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add support for STM32 Low-Power Timer, that can be used as counter
or quadrature encoder.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add documentation for STMicroelectronics STM32 Low-Power Timer
quadrature encoder and counter binding.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add support for LPTIMx_OUT triggers that can be found on some STM32
devices. These triggers can be used then by ADC or DAC.
Typical usage is to configure LPTimer as PWM output (via pwm-stm32-lp)
and have synchronised analog conversions with these triggers.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add documentation for STMicroelectronics STM32 Low-Power Timer Trigger
binding.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add documentation for STMicroelectronics STM32 Low-Power Timer
PWM binding.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add support for single PWM channel on Low-Power Timer, that can be
found on some STM32 platforms.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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STM32 Low-Power Timer hardware block can be used for:
- PWM generation
- IIO trigger (in sync with PWM)
- IIO quadrature encoder counter
PWM and IIO timer configuration are mixed in the same registers so
we need a multi fonction driver to be able to share those registers.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Add documentation for STMicroelectronics STM32 Low-Power Timer binding.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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include/linux/i2c is not for client devices. Move the header file to a
more appropriate location.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v4.14
This is quite a large release by volume of patches and diff, a lot of
that is mechanical cleanup patches but it's great to also see a range of
vendors actively working on adding new features and fixing issues in
their drivers. Intel and Realtek have been especially active here.
- Continued work towards moving everything to the component model from
Morimoto-san.
- Use of devres for jack detection GPIOs, eliminating some potential
resource leaks.
- Jack detection support for Qualcomm MSM8916.
- Support for Allwinner H3, Cirrus Logic CS43130, Intel Kabylake
systems with RT5663, Realtek RT274, TI TLV320AIC32x6 and Wolfson
WM8523.
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Trivial fix to spelling mistake in variable name
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This patch removes CONFIG_NETFILTER_DEBUG and _ASSERT() macros as they
are no longer required. Replace _ASSERT() macros with WARN_ON().
Signed-off-by: Varsha Rao <rvarsha016@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch removes NF_CT_ASSERT() and instead uses WARN_ON().
Signed-off-by: Varsha Rao <rvarsha016@gmail.com>
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tested with allmodconfig build.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Register a new limit stateful object type into the stateful object
infrastructure.
Signed-off-by: Pablo M. Bermudo Garay <pablombg@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Just a small refactor patch in order to improve the code readability.
Signed-off-by: Pablo M. Bermudo Garay <pablombg@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds support for overloading stateful objects operations
through the select_ops() callback, just as it is implemented for
expressions.
This change is needed for upcoming additions to the stateful objects
infrastructure.
Signed-off-by: Pablo M. Bermudo Garay <pablombg@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds a new feature to hashlimit that allows matching on the
current packet/byte rate without rate limiting. This can be enabled
with a new flag --hashlimit-rate-match. The match returns true if the
current rate of packets is above/below the user specified value.
The main difference between the existing algorithm and the new one is
that the existing algorithm rate-limits the flow whereas the new
algorithm does not. Instead it *classifies* the flow based on whether
it is above or below a certain rate. I will demonstrate this with an
example below. Let us assume this rule:
iptables -A INPUT -m hashlimit --hashlimit-above 10/s -j new_chain
If the packet rate is 15/s, the existing algorithm would ACCEPT 10
packets every second and send 5 packets to "new_chain".
But with the new algorithm, as long as the rate of 15/s is sustained,
all packets will continue to match and every packet is sent to new_chain.
This new functionality will let us classify different flows based on
their current rate, so that further decisions can be made on them based on
what the current rate is.
This is how the new algorithm works:
We divide time into intervals of 1 (sec/min/hour) as specified by
the user. We keep track of the number of packets/bytes processed in the
current interval. After each interval we reset the counter to 0.
When we receive a packet for match, we look at the packet rate
during the current interval and the previous interval to make a
decision:
if [ prev_rate < user and cur_rate < user ]
return Below
else
return Above
Where cur_rate is the number of packets/bytes seen in the current
interval, prev is the number of packets/bytes seen in the previous
interval and 'user' is the rate specified by the user.
We also provide flexibility to the user for choosing the time
interval using the option --hashilmit-interval. For example the user can
keep a low rate like x/hour but still keep the interval as small as 1
second.
To preserve backwards compatibility we have to add this feature in a new
revision, so I've created revision 3 for hashlimit. The two new options
we add are:
--hashlimit-rate-match
--hashlimit-rate-interval
I have updated the help text to add these new options. Also added a few
tests for the new options.
Suggested-by: Igor Lubashev <ilubashe@akamai.com>
Reviewed-by: Josh Hunt <johunt@akamai.com>
Signed-off-by: Vishwanath Pai <vpai@akamai.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The ALSA related include header files are left overs after the commit
020c5260c2b1 ("ALSA: atmel: Remove AVR32 bits from the driver")
Fixes: 020c5260c2b1 ("ALSA: atmel: Remove AVR32 bits from the driver")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Convert the driver to use GPIO descriptor API.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Intel ALC 700 needs this patch for jack detection function.
Because ALC700's jack detect function defaults is disable.
So alc700 needs pathc to enable jack detection function.
Signed-off-by: PeiSen Hou <pshou@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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xive_spapr_init() is called from a __init routine and calls __init
routines.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Commit 350779a29f11 ("powerpc: Handle most loads and stores in
instruction emulation code", 2017-08-30) changed the register usage
in get_vr and put_vr with the aim of leaving the register number in
r3 untouched on return. Unfortunately, r6 was not a good choice, as
the callers as of 350779a29f11 store a MSR value in r6. Then, in
commit c22435a5f3d8 ("powerpc: Emulate FP/vector/VSX loads/stores
correctly when regs not live", 2017-08-30), the saving and restoring
of the MSR got moved into get_vr and put_vr. Either way, the effect
is that we put a value in MSR that only has the 0x3f8 bits non-zero,
meaning that we are switching to 32-bit mode. That leads to a crash
like this:
Unable to handle kernel paging request for instruction fetch
Faulting instruction address: 0x0007bea0
Oops: Kernel access of bad area, sig: 11 [#12]
LE SMP NR_CPUS=2048 NUMA PowerNV
Modules linked in: vmx_crypto binfmt_misc ip_tables x_tables autofs4 crc32c_vpmsum
CPU: 6 PID: 32659 Comm: trashy_testcase Tainted: G D 4.13.0-rc2-00313-gf3026f57e6ed-dirty #23
task: c000000f1bb9e780 task.stack: c000000f1ba98000
NIP: 000000000007bea0 LR: c00000000007b054 CTR: c00000000007be70
REGS: c000000f1ba9b960 TRAP: 0400 Tainted: G D (4.13.0-rc2-00313-gf3026f57e6ed-dirty)
MSR: 10000000400010a1 <HV,ME,IR,LE> CR: 48000228 XER: 00000000
CFAR: c00000000007be74 SOFTE: 1
GPR00: c00000000007b054 c000000f1ba9bbe0 c000000000e6e000 000000000000001d
GPR04: c000000f1ba9bc00 c00000000007be70 00000000000000e8 9000000002009033
GPR08: 0000000002000000 100000000282f033 000000000b0a0900 0000000000001009
GPR12: 0000000000000000 c00000000fd42100 0706050303020100 a5a5a5a5a5a5a5a5
GPR16: 2e2e2e2e2e2de70c 2e2e2e2e2e2e2e2d 0000000000ff00ff 0606040202020000
GPR20: 000000000000005b ffffffffffffffff 0000000003020100 0000000000000000
GPR24: c000000f1ab90020 c000000f1ba9bc00 0000000000000001 0000000000000001
GPR28: c000000f1ba9bc90 c000000f1ba9bea0 000000000b0a0908 0000000000000001
NIP [000000000007bea0] 0x7bea0
LR [c00000000007b054] emulate_loadstore+0x1044/0x1280
Call Trace:
[c000000f1ba9bbe0] [c000000000076b80] analyse_instr+0x60/0x34f0 (unreliable)
[c000000f1ba9bc70] [c00000000007b7ec] emulate_step+0x23c/0x544
[c000000f1ba9bce0] [c000000000053424] arch_uprobe_skip_sstep+0x24/0x40
[c000000f1ba9bd00] [c00000000024b2f8] uprobe_notify_resume+0x598/0xba0
[c000000f1ba9be00] [c00000000001c284] do_notify_resume+0xd4/0xf0
[c000000f1ba9be30] [c00000000000bd44] ret_from_except_lite+0x70/0x74
Instruction dump:
XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
---[ end trace a7ae7a7f3e0256b5 ]---
To fix this, we just revert to using r3 as before, since the callers
don't rely on r3 being left unmodified.
Fortunately, this can't be triggered by a misaligned load or store,
because vector loads and stores truncate misaligned addresses rather
than taking an alignment interrupt. It can be triggered using
uprobes.
Fixes: 350779a29f11 ("powerpc: Handle most loads and stores in instruction emulation code")
Reported-by: Anton Blanchard <anton@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Tested-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Conflicts:
mm/page_alloc.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Johan Hedberg says:
====================
pull request: bluetooth-next 2017-09-03
Here's one last bluetooth-next pull request for the 4.14 kernel:
- NULL pointer fix in ca8210 802.15.4 driver
- A few "const" fixes
- New Kconfig option for disabling legacy interfaces
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Subash Abhinov Kasiviswanathan says:
====================
net: qualcomm: rmnet: Fix comments on initial patchset
This series fixes the comments from Dan on the first patch series.
Fixes a memory corruption which could occur if mux_id was higher than 32.
Remove the RMNET_LOCAL_LOGICAL_ENDPOINT which is no longer used.
Make a log message more useful.
Combine __rmnet_set_endpoint_config() with rmnet_set_endpoint_config().
Set the mux_id in rmnet_vnd_newlink().
Set the ingress and egress data format directly in newlink.
Implement ndo_get_iflink to find the real_dev.
Rename the real_dev_info to port to make it similar to other drivers.
The conversion of rmnet_devices to a list and hash lookup will be sent
as part of a seperate patch.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make it similar to drivers like ipvlan / macvlan so it is easier to read.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Cc: Dan Williams <dcbw@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This makes it easier to find out the parent dev.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Cc: Dan Williams <dcbw@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Data format can be directly set from rmnet_newlink() since the
rmnet real dev info is already available.
Since __rmnet_get_real_dev_info() is no longer used in rmnet_config.c
after removal of those functions, move content to
rmnet_get_real_dev_info().
__rmnet_set_endpoint_config() is collapsed into
rmnet_set_endpoint_config() since only mux_id was being set additionally
within it. Remove an unnecessary mux_id check.
Set the mux_id for the rmnet_dev within rmnet_vnd_newlink() itself.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Cc: Dan Williams <dcbw@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current log is not very useful as it does not log the device
name since it it is prior to registration -
(unnamed net_device) (uninitialized): Setting up device
Modify to log after the device registration -
rmnet1: rmnet dev created
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This was used only in the original patch series where the IOCTLs were
present and is no longer in use.
Fixes: ceed73a2cf4a ("drivers: net: ethernet: qualcomm: rmnet: Initial implementation")
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Cc: Dan Williams <dcbw@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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