In case videomode_from_timings() fails in function of_get_videomode(), the
allocated display timing data is not freed in the exit path. Make sure that
display_timings_release() is called in any case. Detected by Coverity CID
1309681.
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Upon receipt of SYNACK from the server, ipt_SYNPROXY first sends back an ACK to
finish the server handshake, then calls nf_ct_seqadj_init() to initiate
sequence number adjustment of forwarded packets to the client and finally sends
a window update to the client to unblock it's TX queue.
Since synproxy_send_client_ack() does not set synproxy_send_tcp()'s nfct
parameter, no sequence number adjustment happens and the client receives the
window update with incorrect sequence number. Depending on client TCP
implementation, this leads to a significant delay (until a window probe is
being sent).
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This happens when networking namespaces are enabled.
Suggested-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Commit 77a3c6fd90 ("[media] vb2: Don't WARN when v4l2_buffer.bytesused
is 0 for multiplanar buffers") uses the __WARN() macro which isn't
defined when CONFIG_BUG isn't set. This introduces a compilation
breakage. Fix it by using WARN_ON() instead.
The commit was also broken in that it merged v1 of the patch while a new
v2 version had been submitted, reviewed and acked. Fix it by
incorporating the changes from v1 to v2.
Fixes: 77a3c6fd90 ("[media] vb2: Don't WARN when v4l2_buffer.bytesused is 0 for multiplanar buffers")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The clocks need to be prepared before being enabled. Without it a
warning appears in the drivers probe path :
WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:707 clk_core_enable+0x84/0xa0()
Modules linked in:
CPU: 0 PID: 1 Comm: swapper Not tainted 4.2.0-rc3-cm-x300+ #804
Hardware name: CM-X300 module
[<c000ed50>] (unwind_backtrace) from [<c000ce08>] (show_stack+0x10/0x14)
[<c000ce08>] (show_stack) from [<c0017eb4>] (warn_slowpath_common+0x7c/0xb4)
[<c0017eb4>] (warn_slowpath_common) from [<c0017f88>] (warn_slowpath_null+0x1c/0x24)
[<c0017f88>] (warn_slowpath_null) from [<c02d30dc>] (clk_core_enable+0x84/0xa0)
[<c02d30dc>] (clk_core_enable) from [<c02d3118>] (clk_enable+0x20/0x34)
[<c02d3118>] (clk_enable) from [<c0200dfc>] (pxa3xx_gcu_probe+0x148/0x338)
[<c0200dfc>] (pxa3xx_gcu_probe) from
[<c022eccc>] (platform_drv_probe+0x30/0x94)
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Fix omap_dss_find_output_by_port_node() port parameter refcount
decrementation. The only user of dss_of_port_get_parent_device()
function is omap_dss_find_output_by_port_node() and it assumes the
refcount of the port parameter is not decremented by the call.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Commit 11c32d7b62
"video: move Versatile CLCD helpers" missed the fact
that the Integrator/CP is also using the helper, and
as a result the platform got only stubs and no graphics.
Add this as a default selection to Kconfig so we have
graphics again.
Fixes: 11c32d7b62 (video: move Versatile CLCD helpers)
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Avoid any chance of format string expansion when calling dev_set_name.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Remove early dereference of a pointer that is checked later in the code.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
A plain 32 bit integer will overflow for values over 4GiB.
Change the plain integer size to the appropriate size type in
ntb_set_mw. Change the type of the size parameter and two local
variables used for size.
Even if there is no overflow, a size of zero is invalid here.
Reported-by: Juyoung Jung <jjung@micron.com>
Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Schedule to receive on QP link up, to make sure that the doorbell is
properly cleared for interrupts.
Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
When the remote side is not up, we do not have all the context for the
transport, and that causes NULL ptr access. Have the debugfs reads check
to see if transport is up before we make access.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
ntb_netdev is allowing the link to come up even when -ENOMEM is returned
from ntb_transport_rx_enqueue. Fix to cover all possible errors.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Currently the debugfs does not have files for all NTB transport queue
pairs. When there are multiple NTBs present in a system, the QP names
of the last transport clobber the names of previously added transport
QPs. Only the last added QPs can be observed via debugfs.
Create a directory per NTB transport to associate the QPs with that
transport. Name the directory the same as the PCI device.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
It was possible for a synchronous update of the RX index in the error
case to get ahead of the asynchronous RX index update in the normal
case. Change the RX processing to preserve an RX completion order.
There were two error cases. First, if a buffer is not present to
receive data, there would be no queue entry to preserve the RX
completion order. Instead of dropping the RX frame, leave the RX frame
in the ring. Schedule RX processing when RX entries are enqueued, in
case there are RX frames waiting in the ring to be received.
Second, if a buffer is too small to receive data, drop the frame in the
ring, mark the RX entry as done, and indicate the error in the RX entry
length. Check for a negative length in the receive callback in
ntb_netdev, and count occurrences as rx_length_errors.
Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Pull input subsystem fixes from Dmitry Torokhov:
"Just small ALPS and Elan touchpads, and other driver fixups"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elantech - add special check for fw_version 0x470f01 touchpad
Input: twl4030-vibra - fix ERROR: Bad of_node_put() warning
Input: alps - only Dell laptops have separate button bits for v2 dualpoint sticks
Input: axp20x-pek - add module alias
Input: turbografx - fix potential out of bound access
Pull MIPS fixes from Ralf Baechle:
"Another round of MIPS fixes for 4.2. No area does particularly stand
out but we have a two unpleasant ones:
- Kernel ptes are marked with a global bit which allows the kernel to
share kernel TLB entries between all processes. For this to work
both entries of an adjacent even/odd pte pair need to have the
global bit set. There has been a subtle race in setting the other
entry's global bit since ~ 2000 but it take particularly
pathological workloads that essentially do mostly vmalloc/vfree to
trigger this.
This pull request fixes the 64-bit case but leaves the case of 32
bit CPUs with 64 bit ptes unsolved for now. The unfixed cases
affect hardware that is not available in the field yet.
- Instruction emulation requires loading instructions from user space
but the current fast but simplistic approach will fail on pages
that are PROT_EXEC but !PROT_READ. For this reason we temporarily
do not permit this permission and will map pages with PROT_EXEC |
PROT_READ.
The remainder of this pull request is more or less across the field
and the short log explains them well"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: Make set_pte() SMP safe.
MIPS: Replace add and sub instructions in relocate_kernel.S with addiu
MIPS: Flush RPS on kernel entry with EVA
Revert "MIPS: BCM63xx: Provide a plat_post_dma_flush hook"
MIPS: BMIPS: Delete unused Kconfig symbol
MIPS: Export get_c0_perfcount_int()
MIPS: show_stack: Fix stack trace with EVA
MIPS: do_mcheck: Fix kernel code dump with EVA
MIPS: SMP: Don't increment irq_count multiple times for call function IPIs
MIPS: Partially disable RIXI support.
MIPS: Handle page faults of executable but unreadable pages correctly.
MIPS: Malta: Don't reinitialise RTC
MIPS: unaligned: Fix build error on big endian R6 kernels
MIPS: Fix sched_getaffinity with MT FPAFF enabled
MIPS: Fix build with CONFIG_OF=y for non OF-enabled targets
CPUFREQ: Loongson2: Fix broken build due to incorrect include.
Pull btrfs fix from Chris Mason:
"We have a btrfs quota regression fix.
I merged this one on Thursday and have run it through tests against
current master.
Normally I wouldn't have sent this while you were finalizing rc6, but
I'm feeding mosquitoes in the adirondacks next week, so I wanted to
get this one out before leaving. I'll leave longer tests running and
check on things during the week, but I don't expect any problems"
* 'for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: qgroup: Fix a regression in qgroup reserved space.
Pull thermal management fixes from Zhang Rui:
"Specifics:
- fix an error that "weight_attr" sysfs attribute is not removed
while unbinding. From: Viresh Kumar.
- fix power allocator governor tracing to return the real request.
From Javi Merino.
- remove redundant owner assignment of hisi platform thermal driver.
From Krzysztof Kozlowski.
- a couple of small fixes of Exynos thermal driver. From Krzysztof
Kozlowski and Chanwoo Choi"
* 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
thermal: Drop owner assignment from platform_driver
thermal: exynos: Remove unused code related to platform_data on probe()
thermal: exynos: Add the dependency of CONFIG_THERMAL_OF instead of CONFIG_OF
thermal: exynos: Disable the regulator on probe failure
thermal: power_allocator: trace the real requested power
thermal: remove dangling 'weight_attr' device file
Currently the sh_cmt clocksource timer is disabled or enabled
unconditionally on clocksource suspend resp. resume, even if a
better clocksource is present (e.g. arch_sys_counter) and the
sh_cmt clocksource is not enabled.
As sh_cmt is a syscore device when its timer is enabled, this
may lead to a genpd.prepared_count imbalance in the presence of
PM Domains, which may cause a lock-up during reboot after s2ram.
During suspend:
- pm_genpd_prepare() is called for all non-syscore devices (incl.
sh_cmt), increasing genpd.prepared_count for each device,
- clocksource.suspend() is called for all clocksource devices,
- sh_cmt_clocksource_suspend() calls sh_cmt_stop(), which is a no-op
as the clocksource was not enabled.
During resume:
- clocksource.resume() is called for all clocksource devices,
- sh_cmt_clocksource_resume() calls sh_cmt_start(), which enables the
clocksource timer, and turns sh_cmt into a syscore device,
- pm_genpd_complete() is called for all non-syscore devices (excl.
sh_cmt now!), decreasing genpd.prepared_count for each device but
sh_cmt.
Now genpd.prepared_count of the PM Domain containing sh_cmt is
still 1 instead of zero. On subsequent suspend/resume cycles,
sh_cmt is still a syscore device, hence it's skipped for
pm_genpd_{prepare,complete}(), keeping the imbalance of
genpd.prepared_count at 1.
During reboot:
- platform_drv_shutdown() is called for any platform device that has
a driver with a .shutdown() method (only rcar-dmac on R-Car Gen2),
- platform_drv_shutdown() calls dev_pm_domain_detach(), which
calls genpd_dev_pm_detach(),
- genpd_dev_pm_detach() keeps calling pm_genpd_remove_device() until
it doesn't return -EAGAIN[*],
- If the device is part of the same PM Domain as sh_cmt,
pm_genpd_remove_device() always fails with -EAGAIN due to
genpd.prepared_count > 0.
- Infinite loop in genpd_dev_pm_detach()[*].
[*] Commit 93af5e9354 ("PM / Domains: Avoid infinite loops in
attach/detach code") already limited the number of loop iterations,
avoiding the lock-up.
To fix this, only disable or enable the clocksource timer on
clocksource suspend resp. resume if the clocksource was enabled.
This was tested on r8a7791/koelsch with the CPG Clock Domain:
- using arch_sys_counter as the clocksource, which is the default, and
which showed the problem,
- using sh_cmt as a clocksource ("echo ffca0000.timer > \
/sys/devices/system/clocksource/clocksource0/current_clocksource"),
which behaves the same as before.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1438875126-12596-2-git-send-email-daniel.lezcano@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Commit 37868fe113 ("x86/ldt: Make modify_ldt synchronous")
introduced a new struct ldt_struct anchored at mm->context.ldt.
Adapt the x86 fpu emulation code to use that new structure.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Cc: <stable@vger.kernel.org> # On top of: 37868fe113: x86/ldt: Make modify_ldt synchronous
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: billm@melbpc.org.au
Link: http://lkml.kernel.org/r/1438883674-1240-1-git-send-email-jgross@suse.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Commit 37868fe113 ("x86/ldt: Make modify_ldt synchronous")
introduced a new struct ldt_struct anchored at mm->context.ldt.
convert_ip_to_linear() was changed to reflect this, but indexing
into the ldt has to be changed as the pointer is no longer void *.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Cc: <stable@vger.kernel.org> # On top of: 37868fe113: x86/ldt: Make modify_ldt synchronous
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: bp@suse.de
Link: http://lkml.kernel.org/r/1438848278-12906-1-git-send-email-jgross@suse.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Adding software workaround for LLOCK/SCOND livelock
Fallout of a recent pt_regs update
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Merge tag 'arc-v4.2-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
"Here's a late pull request for accumulated ARC fixes which came out of
extended testing of the new ARCv2 port with LTP etc. llock/scond
livelock workaround has been reviewed by PeterZ. The changes look a
lot but I've crafted them into finer grained patches for better
tracking later.
I have some more fixes (ARC Futex backend) ready to go but those will
have to wait for tglx to return from vacation.
Summary:
- Enable a reduced config of HS38 (w/o div-rem, ll64...)
- Add software workaround for LLOCK/SCOND livelock
- Fallout of a recent pt_regs update"
* tag 'arc-v4.2-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARCv2: spinlock/rwlock/atomics: reduce 1 instruction in exponential backoff
ARC: Make pt_regs regs unsigned
ARCv2: spinlock/rwlock: Reset retry delay when starting a new spin-wait cycle
ARCv2: spinlock/rwlock/atomics: Delayed retry of failed SCOND with exponential backoff
ARC: LLOCK/SCOND based rwlock
ARC: LLOCK/SCOND based spin_lock
ARC: refactor atomic inline asm operands with symbolic names
Revert "ARCv2: STAR 9000837815 workaround hardware exclusive transactions livelock"
ARCv2: [axs103_smp] Reduce clk for Quad FPGA configs
ARCv2: Fix the peripheral address space detection
ARCv2: allow selection of page size for MMUv4
ARCv2: lib: memset: Don't assume 64-bit load/stores
ARCv2: lib: memcpy: Missing PREFETCHW
ARCv2: add knob for DIV_REV in Kconfig
ARC/time: Migrate to new 'set-state' interface
A last minute fix for the new virtio input driver. It seems pretty obvious, and
the problem it's fixing would be quite hard to debug.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fix from Michael Tsirkin:
"A last minute fix for the new virtio input driver. It seems pretty
obvious, and the problem it's fixing would be quite hard to debug"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio-input: reset device and detach unused during remove
- Fix for a 4.2 DM thinp discard regression due to inability to properly
delete a range of blocks in a data mapping btree.
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Merge tag 'dm-4.2-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- stable fix for a dm_merge_bvec() regression on 32 bit Fedora systems.
- fix for a 4.2 DM thinp discard regression due to inability to
properly delete a range of blocks in a data mapping btree.
* tag 'dm-4.2-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm btree remove: fix bug in remove_one()
dm: fix dm_merge_bvec regression on 32 bit systems
API. It's a new API that was introduced in 4.2, and we'd like to
avoid ABI change after the release, so it's taken now. As there is no
real in-tree user for this API, it should be fairly safe.
Other than that, the usual small fixes are found in various drivers:
ASoC cs4265, rt5645, intel-sst, firewire, oxygen and HD-audio.
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Merge tag 'sound-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The only bulk changes in this request is ABI updates for ASoC topology
API. It's a new API that was introduced in 4.2, and we'd like to
avoid ABI change after the release, so it's taken now. As there is no
real in-tree user for this API, it should be fairly safe.
Other than that, the usual small fixes are found in various drivers:
ASoC cs4265, rt5645, intel-sst, firewire, oxygen and HD-audio"
* tag 'sound-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: topology: Add private data type and bump ABI version to 3
ASoC: topology: Add ops support to byte controls UAPI
ASoC: topology: Update TLV support so we can support more TLV types
ASoC: topology: add private data to manifest
ASoC: topology: Add subsequence in topology
ALSA: hda - one Dell machine needs the headphone white noise fixup
ALSA: fireworks/firewire-lib: add support for recent firmware quirk
Revert "ALSA: fireworks: add support for AudioFire2 quirk"
ASoC: topology: fix typo in soc_tplg_kcontrol_bind_io()
ALSA: HDA: Dont check return for snd_hdac_chip_readl
ALSA: HDA: Fix stream assignment for host in decoupled mode
ASoC: rt5645: Fix lost pin setting for DMIC1
ALSA: oxygen: Fix logical-not-parentheses warning
ASoC: Intel: sst_byt: fix initialize 'NULL device *' issue
ASoC: Intel: haswell: fix initialize 'NULL device *' issue
ASoC: cs4265: Fix setting dai format for Left/Right Justified
Blacklist Dell Studio XPS 8100 in dell-smm to fix fan control problems.
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Merge tag 'hwmon-for-linus-v4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Export module alias information in g762 and nct7904 to support
auto-loading.
- Blacklist Dell Studio XPS 8100 in dell-smm to fix fan control
problems.
* tag 'hwmon-for-linus-v4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (g762) Export OF module alias information
hwmon: (nct7904) Export I2C module alias information
hwmon: (dell-smm) Blacklist Dell Studio XPS 8100
Here are some USB and PHY fixes for 4.2-rc6 that resolve some reported
issues.
All of these have been in the linux-next tree for a while, full details
on the patches are in the shortlog below.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some USB and PHY fixes for 4.2-rc6 that resolve some reported
issues.
All of these have been in the linux-next tree for a while, full
details on the patches are in the shortlog below"
* tag 'usb-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
ARM: dts: dra7: Add syscon-pllreset syscon to SATA PHY
drivers/usb: Delete XHCI command timer if necessary
xhci: fix off by one error in TRB DMA address boundary check
usb: udc: core: add device_del() call to error pathway
phy: ti-pipe3: i783 workaround for SATA lockup after dpll unlock/relock
phy-sun4i-usb: Add missing EXPORT_SYMBOL_GPL for sun4i_usb_phy_set_squelch_detect
USB: sierra: add 1199:68AB device ID
usb: gadget: f_printer: actually limit the number of instances
usb: gadget: f_hid: actually limit the number of instances
usb: gadget: f_uac2: fix calculation of uac2->p_interval
usb: gadget: bdc: fix a driver crash on disconnect
usb: chipidea: ehci_init_driver is intended to call one time
USB: qcserial: Add support for Dell Wireless 5809e 4G Modem
USB: qcserial/option: make AT URCs work for Sierra Wireless MC7305/MC7355
Here are 3 bugfixes for some staging driver issues that have been
reported. All have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are three bugfixes for some staging driver issues that have been
reported. All have been in the linux-next tree for a while"
* tag 'staging-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: lustre: Include unaligned.h instead of access_ok.h
staging: vt6655: vnt_bss_info_changed check conf->beacon_rate is not NULL
staging: comedi: das1800: add missing break in switch
Here are some extcon fixes for 4.2-rc6 that resolve some reported
problems.
All have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Here are some extcon fixes for 4.2-rc6 that resolve some reported
problems.
All have been in linux-next for a while"
* tag 'char-misc-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
extcon: Fix extcon_cable_get_state() from getting old state after notification
extcon: Fix hang and extcon_get/set_cable_state().
extcon: palmas: Fix NULL pointer error
Pull drm fixes from Daniel Vetter:
"One i915 regression fix and a drm core one since Dave's not around,
both introduced in 4.2 so not cc: stable.
The fix for the warning Ted reported isn't in here yet since he didn't
yet supply a tested-by and I can't repro this one myself (it's in
fixup code that needs firmware doing something i915 wouldn't do)"
* tag 'drm-intel-fixes-2015-08-07' of git://anongit.freedesktop.org/drm-intel:
drm/vblank: Use u32 consistently for vblank counters
drm/i915: Allow parsing of variable size child device entries from VBT
Clocks 0 to 31 are on CKENA, and not CKENB. The clock register names
were inadequately inverted. As a consequence, all clock operations were
happening on CKENB, because almost all but 2 clocks are on CKENA.
As the clocks were activated by the bootloader in the former tests, it
escaped the testing that the wrong clock gate was manipulated. The error
was revealed by changing the pxa3xx-nand driver to a module, where upon
unloading, the wrong clock was disabled in CKENB.
Fixes: 9bbb8a338f ("clk: pxa: add pxa3xx clock driver")
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
failed to configure the page size for architectures with page size
different than 4K.
Fixes: 938fe83 ("net/mlx5_core: New device capabilities handling")
Signed-off-by: Carol L Soto <clsoto@linux.vnet.ibm.com>
Acked-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- prevent DAT from replying on behalf of local clients and confuse L2
bridges
- fix crash on double list removal of TT objects (tt_local_entry)
- fix crash due to missing NULL checks
- initialize bw values for new GWs objects to prevent memory leak
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Merge tag 'batman-adv-fix-for-davem' of git://git.open-mesh.org/linux-merge
Antonio Quartulli says:
====================
Included changes:
- prevent DAT from replying on behalf of local clients and confuse L2
bridges
- fix crash on double list removal of TT objects (tt_local_entry)
- fix crash due to missing NULL checks
- initialize bw values for new GWs objects to prevent memory leak
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
It is no need to check the packet[0] for sanity check when doing
elantech_packet_check_v4() function for fw_version = 0x470f01 touchpad.
Signed-off by: Duson Lin <dusonlin@emc.com.tw>
Reviewed-by: Ulrik De Bie <ulrik.debie-os@e2big.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
ret_fast_syscall runs when user space makes a syscall. However it
needs to be marked as such so the ELF information is correct. Before
it was:
101: 8000f300 0 NOTYPE LOCAL DEFAULT 2 ret_fast_syscall
But with this change it correctly shows as:
101: 8000f300 96 FUNC LOCAL DEFAULT 2 ret_fast_syscall
I see this function when using perf to unwind call stacks from kernel
space to user space. Without this change I would need to add some
special case logic when using the vmlinux ELF information.
Signed-off-by: Drew Richardson <drew.richardson@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Since the commit "b2c3e38a5471 ARM: redo TTBR setup code for LPAE",
the setup code had been reworked. As a result the secondary CPUs
failed to come online in Big Endian.
As explained by Russell, the new code expected the value in r4/r5 to
be the least significant 32bits in r4 and the most significant 32bits
in r5. However, in the secondary code, we load this using ldrd, which
on BE reverses that.
This patch swap r4/r5 after the ldrd. It is done using the xor
instructions in order to not use a temporary register.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Sathya Perla says:
====================
be2net: patch set
This patch set contains 2 driver fixes to a Lancer HW issue and a fix
to a double free bug. Pls apply to the "net" tree. Thanks!
Patch 1 now enables filters only after creating RXQs. This is done as
HW issues were observed on Lancer adapters if filters
(flags, mac addrs etc) are enabled *before* creating RXQs. This patch
changes the driver design by enabling filters in be_open() --
instead of be_setup() -- after RXQs are created and buffers posted.
Patch 2 fixes an RX stall issue that was seen on Lancer adapters when
RXQs are destroyed while they are in an "out of buffer" state.
This patch fixes this issue by posting 64 buffers to each RXQ before
destroying them in the close path. This is done after ensuring that no
more new packets are selected for transfer to the RXQs by disabling
interface filters.
Patch 3 protects eqo->affinity_mask variable from being freed twice and
resulting in a crash. It's now freed only when EQs haven't yet been
destroyed.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
There are paths in the driver such as an unrecoverable error (UE) detection
followed by a driver unload wherein be_clear() is invoked twice.
Individual data structures are reset so that they are not cleaned/freed
twice. This patch does the same for eqo->affinity_mask. It is freed only
if EQs haven't yet been destroyed. This fixes a possible crash when
affinity_mask is freed twice.
Signed-off-by: Kalesh AP <kalesh.purayil@avagotech.com>
Signed-off-by: Sathya Perla <sathya.perla@avagotech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
An RX stall issue was seen on Lancer adapters, when RXQs are destroyed
while they are in an "out of buffer" state. This patch fixes this issue
by posting 64 buffers to each RXQ before destroying them in the close path.
This is done after ensuring that no more new packets are selected for
transfer to the RXQs by disabling interface filters.
Signed-off-by: Kalesh AP <kalesh.purayil@avagotech.com>
Signed-off-by: Sathya Perla <sathya.perla@avagotech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
HW issues were observed on Lancer adapters if IFACE filters
(flags, mac addrs etc) are enabled *before* creating RXQs. This patch
changes the driver design by enabling filters in be_open() --
instead of be_setup() -- after RXQs are created and buffers posted.
Two new wrapper functions, be_enable_if_filters() and
be_disable_if_filters() are introduced to enable/disable IFACE filters in
be_open()/be_close() respectively. In be_setup() the IFACE is now created
only with the RSS flag.
Signed-off-by: Kalesh AP <kalesh.purayil@avagotech.com>
Signed-off-by: Sathya Perla <sathya.perla@avagotech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
remove_one() was not incrementing the key for the beginning of the
range, so not all entries were being removed. This resulted in
discards that were not unmapping all blocks.
Fixes: 4ec331c3ea ("dm btree: add dm_btree_remove_leaves()")
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
In
commit 99264a61df
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed Apr 15 19:34:43 2015 +0200
drm/vblank: Fixup and document timestamp update/read barriers
I've switched vblank->count from atomic_t to unsigned long and
accidentally created an integer comparison bug in
drm_vblank_count_and_time since vblanke->count might overflow the u32
local copy and hence the retry loop never succeed.
Fix this by consistently using u32.
Cc: Michel Dänzer <michel@daenzer.net>
Reported-by: Michel Dänzer <michel@daenzer.net>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
There are a couple of small driver specific fixes here but the
overwhelming bulk of these changes are fixes to the topology ABI that
has been newly introduced in v4.2. Once this makes it into a release we
will have to firm this up but for now getting enhancements in before
they've made it into a release is the most expedient thing.
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Merge tag 'asoc-fix-v4.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.2
There are a couple of small driver specific fixes here but the
overwhelming bulk of these changes are fixes to the topology ABI that
has been newly introduced in v4.2. Once this makes it into a release we
will have to firm this up but for now getting enhancements in before
they've made it into a release is the most expedient thing.
When kvm_set_msr_common() handles a guest's write to
MSR_IA32_TSC_ADJUST, it will calcuate an adjustment based on the data
written by guest and then use it to adjust TSC offset by calling a
call-back adjust_tsc_offset(). The 3rd parameter of adjust_tsc_offset()
indicates whether the adjustment is in host TSC cycles or in guest TSC
cycles. If SVM TSC scaling is enabled, adjust_tsc_offset()
[i.e. svm_adjust_tsc_offset()] will first scale the adjustment;
otherwise, it will just use the unscaled one. As the MSR write here
comes from the guest, the adjustment is in guest TSC cycles. However,
the current kvm_set_msr_common() uses it as a value in host TSC
cycles (by using true as the 3rd parameter of adjust_tsc_offset()),
which can result in an incorrect adjustment of TSC offset if SVM TSC
scaling is enabled. This patch fixes this problem.
Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Cc: stable@vger.linux.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The recent BlackHat 2015 presentation "The Memory Sinkhole"
mentions that the IDT limit is zeroed on entry to SMM.
This is not documented, and must have changed some time after 2010
(see http://www.ssi.gouv.fr/uploads/IMG/pdf/IT_Defense_2010_final.pdf).
KVM was not doing it, but the fix is easy.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The increment of delay counter was 2 instructions:
Arithmatic Shfit Left (ASL) + set to 1 on overflow
This can be done in 1 using ROtate Left (ROL)
Suggested-by: Nigel Topham <ntopham@synopsys.com>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
virtio declares support for NETIF_F_FRAGLIST, but assumes
that there are at most MAX_SKB_FRAGS + 2 fragments which isn't
always true with a fraglist.
A longer fraglist in the skb will make the call to skb_to_sgvec overflow
the sg array, leading to memory corruption.
Drop NETIF_F_FRAGLIST so we only get what we can handle.
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
