Should not init a NULL box. It will cause system crash.
The issue looks like caused by a typo.
This was not noticed because there is no NULL box. Also, for most
boxes, they are enabled by default. The init code is not critical.
Fixes: fff4b87e59 ("perf/x86/intel/uncore: Make package handling more robust")
Signed-off-by: Kan Liang <kan.liang@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20170629190926.2456-1-kan.liang@intel.com
Michael Grzeschik says:
====================
arcnet: Collection of latest fixes
Here we sum up the recent fixes I collected on the way to use and
stabilise the framework. Part of it is an possible deadlock that we
prevent as well to fix the calculation of the dev_id that can be setup
by an rotary encoder. Beside that we added an trivial spelling patch and
fix some wrong and missing assignments that improves the code footprint.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
We add the pdev data to the pci devices netdev structure. This way
the interface get consistent device names in the userspace (udev).
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The dev_id was miscalculated. Only the two bits 4-5 are relevant for the
MA1 card. PCIARC1 and PCIFB2 use the four bits 4-7 for id selection.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
My static checker complains that ofdpa_neigh_del() can sometimes free
"found". It just makes sense to use it first before deleting it.
Fixes: ecf244f753 ("rocker: fix maybe-uninitialized warning")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In case a VLAN device is enslaved to a bridge we shouldn't create a
router interface (RIF) for it when it's configured with an IP address.
This is already handled by the driver for other types of netdevs, such
as physical ports and LAG devices.
If this IP address is then removed and the interface is subsequently
unlinked from the bridge, a NULL pointer dereference can happen, as the
original 802.1d FID was replaced with an rFID which was then deleted.
To reproduce:
$ ip link set dev enp3s0np9 up
$ ip link add name enp3s0np9.111 link enp3s0np9 type vlan id 111
$ ip link set dev enp3s0np9.111 up
$ ip link add name br0 type bridge
$ ip link set dev br0 up
$ ip link set enp3s0np9.111 master br0
$ ip address add dev enp3s0np9.111 192.168.0.1/24
$ ip address del dev enp3s0np9.111 192.168.0.1/24
$ ip link set dev enp3s0np9.111 nomaster
Fixes: 99724c18fc ("mlxsw: spectrum: Introduce support for router interfaces")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Petr Machata <petrm@mellanox.com>
Tested-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When qdisc fail to init, qdisc_create would invoke the destroy callback
to cleanup. But there is no check if the callback exists really. So it
would cause the panic if there is no real destroy callback like the qdisc
codel, fq, and so on.
Take codel as an example following:
When a malicious user constructs one invalid netlink msg, it would cause
codel_init->codel_change->nla_parse_nested failed.
Then kernel would invoke the destroy callback directly but qdisc codel
doesn't define one. It causes one panic as a result.
Now add one the check for destroy to avoid the possible panic.
Fixes: 87b60cfacf ("net_sched: fix error recovery at qdisc creation")
Signed-off-by: Gao Feng <gfree.wind@vip.163.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We don't hold any tx lock when trying to disable TX during reset, this
would lead a use after free since ndo_start_xmit() tries to access
the virtqueue which has already been freed. Fix this by using
netif_tx_disable() before freeing the vqs, this could make sure no tx
after vq freeing.
Reported-by: Jean-Philippe Menil <jpmenil@gmail.com>
Tested-by: Jean-Philippe Menil <jpmenil@gmail.com>
Fixes commit f600b69050 ("virtio_net: Add XDP support")
Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Robert McCabe <robert.mccabe@rockwellcollins.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/device.h> work with const
attribute_group. So mark the non-const structs as const.
File size before:
text data bss dec hex filename
995 608 0 1603 643 sound/pci/hda/hda_sysfs.o
File size After adding 'const':
text data bss dec hex filename
1035 544 0 1579 62b sound/pci/hda/hda_sysfs.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/device.h> work with const
attribute_group. So mark the non-const structs as const.
File size before:
text data bss dec hex filename
9781 240 8 10029 272d sound/core/pcm.o
File size After adding 'const':
text data bss dec hex filename
9813 176 8 9997 270d sound/core/pcm.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
When doing the following command:
# echo ":mod:kvm_intel" > /sys/kernel/tracing/stack_trace_filter
it triggered a crash.
This happened with the clean up of probes. It required all callers to the
regex function (doing ftrace filtering) to have ops->private be a pointer to
a trace_array. But for the stack tracer, that is not the case.
Allow for the ops->private to be NULL, and change the function command
callbacks to handle the trace_array pointer being NULL as well.
Fixes: d2afd57a4b ("tracing/ftrace: Allow instances to have their own function probes")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Add DELL4_MIC_NO_PRESENCE model.
Add the pin configuration value of this machine into the pin_quirk
table to make DELL4_MIC_NO_PRESENCE apply to this machine.
Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
acpi_walk_resources will stop as soon as the callback passed in returns
an error status. On a x86 tablet I have the first GpioInt in the _AEI
resource list has no handler defined in the DSDT, causing
acpi_walk_resources to abort scanning the rest of the resource list,
which does define valid ACPI GPIO events.
This commit changes the return for not finding a handler from
AE_BAD_PARAMETER to AE_OK so that the rest of the resource list will
get scanned normally in case of missing event handlers.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
GPIOEVENT_REQUEST_BOTH_EDGES is not a single flag, but a binary OR of
GPIOEVENT_REQUEST_RISING_EDGE and GPIOEVENT_REQUEST_FALLING_EDGE.
The expression 'le->eflags & GPIOEVENT_REQUEST_BOTH_EDGES' we'll get
evaluated to true even if only one event type was requested.
Fix it by checking both RISING & FALLING flags explicitly.
Cc: stable@vger.kernel.org
Fixes: 61f922db72 ("gpio: userspace ABI for reading GPIO line events")
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The only user of thread_saved_pc() in non-arch-specific code was removed
in commit 8243d55977 ("sched/core: Remove pointless printout in
sched_show_task()"). Remove the implementations as well.
Some architectures use thread_saved_pc() in their arch-specific code.
Leave their thread_saved_pc() intact.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Wen reports significant memory leaks with DIF and O_DIRECT:
"With nvme devive + T10 enabled, On a system it has 256GB and started
logging /proc/meminfo & /proc/slabinfo for every minute and in an hour
it increased by 15968128 kB or ~15+GB.. Approximately 256 MB / minute
leaking.
/proc/meminfo | grep SUnreclaim...
SUnreclaim: 6752128 kB
SUnreclaim: 6874880 kB
SUnreclaim: 7238080 kB
....
SUnreclaim: 22307264 kB
SUnreclaim: 22485888 kB
SUnreclaim: 22720256 kB
When testcases with T10 enabled call into __blkdev_direct_IO_simple,
code doesn't free memory allocated by bio_integrity_alloc. The patch
fixes the issue. HTX has been run with +60 hours without failure."
Since __blkdev_direct_IO_simple() allocates the bio on the stack, it
doesn't go through the regular bio free. This means that any ancillary
data allocated with the bio through the stack is not freed. Hence, we
can leak the integrity data associated with the bio, if the device is
using DIF/DIX.
Fix this by providing a bio_uninit() and export it, so that we can use
it to free this data. Note that this is a minimal fix for this issue.
Any current user of bio's that are allocated outside of
bio_alloc_bioset() suffers from this issue, most notably some drivers.
We will fix those in a more comprehensive patch for 4.13. This also
means that the commit marked as being fixed by this isn't the real
culprit, it's just the most obvious one out there.
Fixes: 542ff7bf18 ("block: new direct I/O implementation")
Reported-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Bugfixes include:
- Stable fix for exclusive create if the server supports the umask attribute
- Trunking detection should handle ERESTARTSYS/EINTR
- Stable fix for a race in the LAYOUTGET function
- Stable fix to revert "nfs_rename() handle -ERESTARTSYS dentry left behind"
- nfs4_callback_free_slot() cannot call nfs4_slot_tbl_drain_complete()
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Merge tag 'nfs-for-4.12-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
"Bugfixes include:
- stable fix for exclusive create if the server supports the umask
attribute
- trunking detection should handle ERESTARTSYS/EINTR
- stable fix for a race in the LAYOUTGET function
- stable fix to revert "nfs_rename() handle -ERESTARTSYS dentry left
behind"
- nfs4_callback_free_slot() cannot call nfs4_slot_tbl_drain_complete()"
* tag 'nfs-for-4.12-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFSv4.1: nfs4_callback_free_slot() cannot call nfs4_slot_tbl_drain_complete()
Revert "NFS: nfs_rename() handle -ERESTARTSYS dentry left behind"
NFSv4.1: Fix a race in nfs4_proc_layoutget
NFS: Trunking detection should handle ERESTARTSYS/EINTR
NFSv4.2: Don't send mode again in post-EXCLUSIVE4_1 SETATTR with umask
Pull drm fixes from Dave Airlie:
"This is the final set of fixes for -rc8, just a few i915 and one
vmwgfx ones.
I'm off on holidays for a week, so if anything shows up for fixes I've
asked Daniel or Sean Paul to herd it in the right direction"
[ The additional etnaviv fixes were already herded towards me as seen in
my previous pull - Linus ]
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/vmwgfx: Free hash table allocated by cmdbuf managed res mgr
drm/i915: Disable EXEC_OBJECT_ASYNC when doing relocations
drm/i915: Hold struct_mutex for per-file stats in debugfs/i915_gem_object
drm/i915: Retire the VMA's fence tracker before unbinding
Pull drm/etnaviv fixes from Lucas Stach:
"I realized I just missed the cut-off point for the final drm fixes
pull, but I have 2 more etnaviv fixes that need to go into 4.12, as
they fix fallout from the explicit sync work introduced in the last
merge window"
[ Pulling directly because Dave is on vacation. Noted by Daniel Vetter,
and acked by Dave Airlie - Linus ]
* 'etnaviv/fixes' of git://git.pengutronix.de/git/lst/linux:
drm/etnaviv: Fix implicit/explicit sync sense inversion
drm/etnaviv: fix submit flags getting overwritten by BO content
ALSA SoC needs to know connected DAI ID for probing. Using
the new audio-card-graph approach, ports/endpoints are used
to describe how the links are connected. Unfortunately, since
ports/endpoints are used as well for video linkages, there
are some issues mixing the port ids to the two (video and
audio) namespaces.
To solve this issue, this patch adds new .get_dai_id callback
on hdmi_codec_ops.
The will assume that HDMI audio out will be connected to
reg = <2>. This will then be remapped to the ALSA SoC side will
as DAI 0. Allowing the adv7511's hdmi audio support to be used
with the audio-card-graph.
Credit to Kuninori Morimoto who's patch to dw-hdmi-i2s-audio.c
was what this was mostly copy-pasted from.
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Archit Taneja <architt@codeaurora.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Linux-ALSA <alsa-devel@alsa-project.org>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
ALSA SoC needs to know connected DAI ID for probing.
It is not a big problem if device/driver was only for sound,
but getting DAI ID will be difficult if device includes both
Video/Sound, like HDMI.
To solve this issue, this patch adds new .get_dai_id callback
on hdmi_codec_ops.
dw-hdmi-i2s will assume that HDMI sound will be connected
to reg = <2>. Then, ALSA SoC side will recognized it as DAI 0
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
/* HDMI Video IN */
};
port@1 {
reg = <1>;
/* HDMI OUT */
};
port@2 {
reg = <2>;
/* HDMI Sound IN */
};
};
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch is uploaded for enabling the speaker protection features
of the audio codec.
Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Move set_sysclk to codec level and people can use it at both
codec and dai level.
Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
{ "ADC Stereo1 Filter", NULL, "PLL1", is_sys_clk_from_pll }, and
{ "ADC Stereo2 Filter", NULL, "PLL1", is_sys_clk_from_pll }, are
defined twice in the driver.
Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
When we select "IF1_ADC4" for IF1 ADC Muxes, it is actually connected
to "TxDP_ADC" widget. This patch fixes the audio route and remove the
unexisting "IF1_ADC4" widget.
Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Add debug message for crosstalk function bypass.
Signed-off-by: John Hsu <KCHSU0@nuvoton.com>
Signed-off-by: John Hsu <supercraig0719@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Added quirk DW_I2S_QUIRK_16BIT_IDX_OVERRIDE to Designware
driver. This quirk will set idx value to 1.
By setting this quirk, it will override supported format
as 16 bit resolution and bus width as 2 Bytes.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Lenovo platforms use RT5670 with Baytrail, add the required
MCLK control and configuration to 19.2MHz
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=96691
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Sometimes DMI fields may be invalid and so can't give useful vendor,
product or board info, such as "Type2 - Board Manufacturer" or
"Type1 - TBD by OEM". Including such invalid DMI fileds may create silly
card long name. So this patch creates a black list of invalid strings.
And if a DMI field contains any string in this list, it will be excluded
from the card long name.
Signed-off-by: Mengdong Lin <mengdong.lin@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The timer may still be running when rt5645_i2c_remove() gets called,
call del_timer_sync() to make sure it is stopped.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
GPD Win requires jd_mode=3 and the inverted flag for making the jack
detection working. Unfortunately, the BIOS doesn't give a nice way to
match with DMI strings, and the only working way so far is to match
with the board vendor/name/version/date to some known patterns.
Hopefully other vendors won't do such a stupid setup, too...
Thanks to Hans de Goede for the DMI matching suggestion.
Suggested-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
The flag will invert jd1_1 status. Which will be used if the jack
connector is normal closed.
Signed-off-by: Bard Liao <bardliao@realtek.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
The jd_invert flag is actually used for level triggered IRQ. Rename
it to let code more readable.
Signed-off-by: Bard Liao <bardliao@realtek.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Read the jd status after invert control. The benefit is we don't need
to invert the reading jd status when jd invert is needed.
Signed-off-by: Bard Liao <bardliao@realtek.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
We used a on-demand i915 component binding for IvyBridge and
SandyBridge HDMI codecs, but it has a potential problem of the nested
module loading. For avoiding that situation, assure the i915 binding
happening at the controller driver level for PCH controller devices,
where the initialization is performed in a detached work, instead of
calling from the codec driver probe.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Pass-through devices to VM guest can get updated IRQ affinity
information via irq_set_affinity() when not running in guest mode.
Currently, AMD IOMMU driver in GA mode ignores the updated information
if the pass-through device is setup to use vAPIC regardless of guest_mode.
This could cause invalid interrupt remapping.
Also, the guest_mode bit should be set and cleared only when
SVM updates posted-interrupt interrupt remapping information.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Cc: Joerg Roedel <jroedel@suse.de>
Fixes: d98de49a53 ('iommu/amd: Enable vAPIC interrupt remapping mode by default')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
When copying up a file that has multiple hard links we need to break any
association with the origin file. This makes copy-up be essentially an
atomic replace.
The new file has nothing to do with the old one (except having the same
data and metadata initially), so don't set the overlay.origin attribute.
We can relax this in the future when we are able to index upper object by
origin.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Fixes: 3a1e819b4e ("ovl: store file handle of lower inode on copy up")
Nothing prevents mischief on upper layer while we are busy copying up the
data.
Move the lookup right before the looked up dentry is actually used.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Fixes: 01ad3eb8a0 ("ovl: concurrent copy up of regular files")
Cc: <stable@vger.kernel.org> # v4.11
It's nonsense to register a card object when no codec is bound on it,
as we don't support the deferred codec binding. Instead of
registering an empty card object, just skip the registration by
returning an error from azx_codec_configure().
Signed-off-by: Takashi Iwai <tiwai@suse.de>
azx_codec_configure() loops over the codecs found on the given
controller via a linked list. The code used to work in the past, but
in the current version, this may lead to an endless loop when a codec
binding returns an error.
The culprit is that the snd_hda_codec_configure() unregisters the
device upon error, and this eventually deletes the given codec object
from the bus. Since the list is initialized via list_del_init(), the
next object points to the same device itself. This behavior change
was introduced at splitting the HD-audio code code, and forgotten to
adapt it here.
For fixing this bug, just use a *_safe() version of list iteration.
Fixes: d068ebc25e ("ALSA: hda - Move some codes up to hdac_bus struct")
Reported-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
We were reading the no-implicit sync flag the wrong way around,
synchronizing too much for the explicit case, and not at all for the
implicit case. Oops.
Signed-off-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Kan Liang