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Since commit 278d24047891 (net: fec: ptp: Enable PPS output based on ptp clock)
fec_enet_interrupt calls fec_ptp_check_pps_event unconditionally, which calls
into ptp_clock_event. If fep->ptp_clock is NULL, ptp_clock_event tries to
dereference the NULL pointer.
Since on i.MX53 fep->bufdesc_ex is not set, fec_ptp_init is never called,
and fep->ptp_clock is NULL, which reliably causes a kernel panic.
This patch adds a check for fep->ptp_clock == NULL in fec_enet_interrupt.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix CE event being reported as HW_EVENT_ERR_UNCORRECTED.
Signed-off-by: Jason Baron <jbaron@akamai.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/e6dd616f2cd51583a7e77af6f639b86313c74144.1413405053.git.jbaron@akamai.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Fix UE event being reported as HW_EVENT_ERR_CORRECTED.
Signed-off-by: Jason Baron <jbaron@akamai.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/8beb13803500076fef827eab33d523e355d83759.1413405053.git.jbaron@akamai.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Fix CE event being reported as HW_EVENT_ERR_UNCORRECTED.
Signed-off-by: Jason Baron <jbaron@akamai.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/7aee8e244a32ff86b399a8f966c4aae70296aae0.1413405053.git.jbaron@akamai.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Fix CE event being reported as HW_EVENT_ERR_UNCORRECTED.
Signed-off-by: Jason Baron <jbaron@akamai.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/d02465b4f30314b390c12c061502eda5e9d29c52.1413405053.git.jbaron@akamai.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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After interface restart (eg: after link disconnection/reconnection), the bridge
function doesn't work anymore. This is due to the promiscuous mode being cleared
by the restart.
The mac-fcc already includes code to set the promiscuous mode back during the restart.
This patch adds the same handling to mac-fec and mac-scc.
Tested with bridge function on MPC885 with FEC.
Reported-by: Germain Montoies <germain.montoies@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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write_count and insert_count can wrap around, making > check invalid.
Fixes: 70b33fb0ddec827cbbd14cdc664fc27b2ef4a6b6 ("sfc: add support for
skb->xmit_more").
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When creation of queues fails in init_driver_queues(), we free the
queues. But null_add_dev() doesn't test for this failure and continues
with the setup leading to strange consequences, likely oops. Fix the
problem by testing whether init_driver_queues() failed and do proper
error cleanup.
Coverity-id: 1148005
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
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It's possible that the call to of_match_device() (introduced in commit
df59fa7f ["spi: orion: support armada extended baud rates"]) may return
a NULL if there is no match in the device tree (or perhaps no device tree
at all). Check the return pointer and set the local device data to the
lowest common denominator orion device data if it is NULL.
Reported-by: Karl Beldan <karl.beldan@gmail.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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PLL_SELFREQDCO bitfield is from bit 3 to 1, but the driver writes bits
from 4 to 1. The bit 4 is 'reserved', so this probably should not cause
any issues, but it's better to fix it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Preload register is dumped twice for video overlays and mflag register
is not dumped for GFX.
Fix the register dump.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The register offset for DISPC_OVL_MFLAG_THRESHOLD is wrong, fix it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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HDMI PLL's REGSD field is only set by the driver if the PLL's output
clock is over 1GHz. This is clearly an error, as REGSD should be set
always.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Commit 90419cfcb5d9c889b10dc51363c56a4d394d670e,
"USB: kobil_sct: fix control requests without data stage", removed
the bogus data buffer arguments, but still allocate transfer
buffers which are not used.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Port layout:
0: QCDM/DIAG
1: NMEA
2: AT
3: AT/PPP
Signed-off-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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In the case of at91sam9g45_restart(), the driver is writing
AT91_DDRSDRC_LPCB_POWER_DOWN to AT91_DDRSDRC_RTR, this should actually be
AT91_DDRSDRC_LPR.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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The PLL settings are committed by setting GO bit, which is then cleared
by the HW when the settings have been taken into use.
The current PLL code handles this wrong: instead of waiting for the bit
to be cleared, it waits for the bit to be set. Usually, the bit is
always set, as the CPU has just set it before. However, if the CPU takes
enough time between setting the GO bit and checking it, the HW may
already have cleared the bit and this leads to timeout error.
Fix the wait to check the bit properly.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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omapfb disables all the overlays when freeing resources, but it should
also remove those overlays from overlay managers.
Not doing so causes a crash if omapfb is unbound and bound, or omapfb
module is removed and loaded, while keeping omapdss around.
Fix this by calling unset_manager() for all overlays.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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When omapfb is shutting down, it will disable all the overlays. However,
instead of actually disabling all the overlays, it disables only all the
overlays that are currently attached to framebuffers.
On OMAP4+, this leaves the fourth overlay left enabled.
Fix the loop so that we actually go through all the overlays.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We should wait for any pending updates when an overlay manager is
about to be disabled, because the updates will never be finished if the
manager is disabled too early.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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If we leave __exit annotation, driver can't be unbound
through sysfs.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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omapdss drivers cannot handle devices being unbound while the devices
are part of a connected display pipeline. Module refcounts are used to
prevent unloading the modules, but one can still manually unbind the
devices via sysfs, causing crash.
Set suppress_bind_attrs to disable the bind/unbind support via sysfs.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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without MODULE_ALIAS(), omapfb won't get loaded
automatically.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add VID/PID for Telit LE910 modem. Interfaces description is almost the
same than LE920, except that the qmi interface is number 2 (instead than
5).
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Add new IDs for the Xsens Awinda Station and Awinda Dongle.
While at it, order the definitions by PID and add a logical separation
between devices using Xsens' VID and those using FTDI's VID.
Cc: <stable@vger.kernel.org>
Signed-off-by: Frans Klaver <frans.klaver@xsens.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Enable Silicon Labs Ember VID chips to enumerate with the cp210x usb serial
driver. EM358x devices operating with the Ember Z-Net 5.1.2 stack may now
connect to host PCs over a USB serial link.
Signed-off-by: Nathaniel Ting <nathaniel.ting@silabs.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Remove unnecessary mach/cpu.h header to be able to converge to a multiplatform
kernel.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Resolve shadow warnings that appear in W=2 builds by renaming
the "state" global to "vgastate".
Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Since strsep is used to tokenize the options string, after each option
match the code should use "continue" to get the next token from strsep.
This patch applies this pattern consistently.
Previously, for "scrollback:" and "map:" the parse code would return
(unconditionally: strsep ensures *options != ','), causing any
following option to be ignored, while for "vc:" the parse code would
go on to parse further options within the same token, which could lead
to invalid input being accepted.
Signed-off-by: Maarten ter Huurne <maarten@treewalker.org>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Limit primary to qemu vgamem size, to avoid reaching
qemu guest bug "requested primary larger than framebuffer"
on resizing screen too large to fit.
Remove unneeded and misleading variables.
Related to:
https://bugzilla.redhat.com/show_bug.cgi?id=1127552
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Most devices are configured for 32-bit DMA addresses.
Setting the mask to 32-bit here removes the need for the
drivers to do it separately.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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m25p80's device ID table is now spi_nor_ids, defined in spi-nor. The
MODULE_DEVICE_TABLE() macro doesn't work with extern definitions, but
its use was also removed at the same time. Now if m25p80 is built as
a module it doesn't get the necessary aliases to be loaded
automatically.
A clean solution to this will involve defining the list of device
IDs in spi-nor.h and removing struct spi_device_id from the spi-nor
API, but this is quite a large change.
As a quick fix suitable for stable, copy the device IDs back into
m25p80.
Fixes: 03e296f613af ("mtd: m25p80: use the SPI nor framework")
Cc: <stable@vger.kernel.org> # 3.16.x: 32f1b7c8352f: mtd: move support for struct flash_platform_data into m25p80
Cc: <stable@vger.kernel.org> # 3.16.x: 90e55b3812a1: mtd: m25p80: get rid of spi_get_device_id
Cc: <stable@vger.kernel.org> # 3.16.x: 70f3ce0510af: mtd: spi-nor: make spi_nor_scan() take a chip type name, not spi_device_id
Cc: <stable@vger.kernel.org> # 3.16.x
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
"Here are the target updates for v3.18-rc2 code. These where
originally destined for -rc1, but due to the combination of travel
last week for KVM Forum and my mistake of taking the three week merge
window literally, the pull request slipped.. Apologies for that.
Things where reasonably quiet this round. The highlights include:
- New userspace backend driver (target_core_user.ko) by Shaohua Li
and Andy Grover
- A number of cleanups in target, iscsi-taret and qla_target code
from Joern Engel
- Fix an OOPs related to queue full handling with CHECK_CONDITION
status from Quinn Tran
- Fix to disable TX completion interrupt coalescing in iser-target,
that was causing problems on some hardware
- Fix for PR APTPL metadata handling with demo-mode ACLs
I'm most excited about the new backend driver that uses UIO + shared
memory ring to dispatch I/O and control commands into user-space.
This was probably the most requested feature by users over the last
couple of years, and opens up a new area of development + porting of
existing user-space storage applications to LIO. Thanks to Shaohua +
Andy for making this happen.
Also another honorable mention, a new Xen PV SCSI driver was merged
via the xen/tip.git tree recently, which puts us now at 10 target
drivers in upstream! Thanks to David Vrabel + Juergen Gross for their
work to get this code merged"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (40 commits)
target/file: fix inclusive vfs_fsync_range() end
iser-target: Disable TX completion interrupt coalescing
target: Add force_pr_aptpl device attribute
target: Fix APTPL metadata handling for dynamic MappedLUNs
qla_target: don't delete changed nacls
target/user: Recalculate pad size inside is_ring_space_avail()
tcm_loop: Fixup tag handling
iser-target: Fix smatch warning
target/user: Fix up smatch warnings in tcmu_netlink_event
target: Add a user-passthrough backstore
target: Add documentation on the target userspace pass-through driver
uio: Export definition of struct uio_device
target: Remove unneeded check in sbc_parse_cdb
target: Fix queue full status NULL pointer for SCF_TRANSPORT_TASK_SENSE
qla_target: rearrange struct qla_tgt_prm
qla_target: improve qlt_unmap_sg()
qla_target: make some global functions static
qla_target: remove unused parameter
target: simplify core_tmr_abort_task
target: encapsulate smp_mb__after_atomic()
...
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Pull email address change from Boaz Harrosh.
* 'for-linus' of git://git.open-osd.org/linux-open-osd:
Boaz Harrosh - fix email in Documentation
Boaz Harrosh - Fix broken email address
MAINTAINERS: Change Boaz Harrosh's email
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In enic_stop, we disable preemption using local_bh_disable(). We disable
preemption to wait for busy_poll to finish.
napi_disable should not be called here as it might sleep.
Moving napi_disable() call out side of local_bh_disable.
BUG: sleeping function called from invalid context at include/linux/netdevice.h:477
in_atomic(): 1, irqs_disabled(): 0, pid: 443, name: ifconfig
INFO: lockdep is turned off.
Preemption disabled at:[<ffffffffa029c5c4>] enic_rfs_flw_tbl_free+0x34/0xd0 [enic]
CPU: 31 PID: 443 Comm: ifconfig Not tainted 3.17.0-netnext-05504-g59f35b8 #268
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
ffff8800dac10000 ffff88020b8dfcb8 ffffffff8148a57c 0000000000000000
ffff88020b8dfcd0 ffffffff8107e253 ffff8800dac12a40 ffff88020b8dfd10
ffffffffa029305b ffff88020b8dfd48 ffff8800dac10000 ffff88020b8dfd48
Call Trace:
[<ffffffff8148a57c>] dump_stack+0x4e/0x7a
[<ffffffff8107e253>] __might_sleep+0x123/0x1a0
[<ffffffffa029305b>] enic_stop+0xdb/0x4d0 [enic]
[<ffffffff8138ed7d>] __dev_close_many+0x9d/0xf0
[<ffffffff8138ef81>] __dev_close+0x31/0x50
[<ffffffff813974a8>] __dev_change_flags+0x98/0x160
[<ffffffff81397594>] dev_change_flags+0x24/0x60
[<ffffffff814085fd>] devinet_ioctl+0x63d/0x710
[<ffffffff81139c16>] ? might_fault+0x56/0xc0
[<ffffffff81409ef5>] inet_ioctl+0x65/0x90
[<ffffffff813768e0>] sock_do_ioctl+0x20/0x50
[<ffffffff81376ebb>] sock_ioctl+0x20b/0x2e0
[<ffffffff81197250>] do_vfs_ioctl+0x2e0/0x500
[<ffffffff81492619>] ? sysret_check+0x22/0x5d
[<ffffffff81285f23>] ? __this_cpu_preempt_check+0x13/0x20
[<ffffffff8109fe19>] ? trace_hardirqs_on_caller+0x119/0x270
[<ffffffff811974ac>] SyS_ioctl+0x3c/0x80
[<ffffffff814925ed>] system_call_fastpath+0x1a/0x1f
Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The following warning is shown when spinlock debug is enabled.
This occurs when enic_flow_may_expire timer function is running and
enic_stop is called on same CPU.
Fix this by using spink_lock_bh().
=================================
[ INFO: inconsistent lock state ]
3.17.0-netnext-05504-g59f35b8 #268 Not tainted
---------------------------------
inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage.
ifconfig/443 [HC0[0]:SC0[0]:HE1:SE1] takes:
(&(&enic->rfs_h.lock)->rlock){+.?...}, at:
enic_rfs_flw_tbl_free+0x34/0xd0 [enic]
{IN-SOFTIRQ-W} state was registered at:
[<ffffffff810a25af>] __lock_acquire+0x83f/0x21c0
[<ffffffff810a45f2>] lock_acquire+0xa2/0xd0
[<ffffffff814913fc>] _raw_spin_lock+0x3c/0x80
[<ffffffffa029c3d5>] enic_flow_may_expire+0x25/0x130[enic]
[<ffffffff810bcd07>] call_timer_fn+0x77/0x100
[<ffffffff810bd8e3>] run_timer_softirq+0x1e3/0x270
[<ffffffff8105f9ae>] __do_softirq+0x14e/0x280
[<ffffffff8105fdae>] irq_exit+0x8e/0xb0
[<ffffffff8103da0f>] smp_apic_timer_interrupt+0x3f/0x50
[<ffffffff81493742>] apic_timer_interrupt+0x72/0x80
[<ffffffff81018143>] default_idle+0x13/0x20
[<ffffffff81018a6a>] arch_cpu_idle+0xa/0x10
[<ffffffff81097676>] cpu_startup_entry+0x2c6/0x330
[<ffffffff8103b7ad>] start_secondary+0x21d/0x290
irq event stamp: 2997
hardirqs last enabled at (2997): [<ffffffff81491865>] _raw_spin_unlock_irqrestore+0x65/0x90
hardirqs last disabled at (2996): [<ffffffff814915e6>] _raw_spin_lock_irqsave+0x26/0x90
softirqs last enabled at (2968): [<ffffffff813b57a3>] dev_deactivate_many+0x213/0x260
softirqs last disabled at (2966): [<ffffffff813b5783>] dev_deactivate_many+0x1f3/0x260
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&(&enic->rfs_h.lock)->rlock);
<Interrupt>
lock(&(&enic->rfs_h.lock)->rlock);
*** DEADLOCK ***
Reported-by: Jan Stancek <jstancek@redhat.com>
Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox framework from Jassi Brar:
"A framework for Mailbox controllers and clients have been cooking for
more than a year now.
Everybody in the CC list had been copied on patchset revisions and
most of them have made sounds of approval, though just one concrete
Reviewed-by. The patchset has also been in linux-next for a couple of
weeks now and no conflict has been reported. The framework has the
backing of at least 5 platforms, though I can't say if/when they
upstream their drivers (some businesses have 'changed')"
(Further acked-by by Arnd Bergmann and Suman Anna in the pull request
thread)
* 'mailbox-for-linus' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
dt: mailbox: add generic bindings
doc: add documentation for mailbox framework
mailbox: Introduce framework for mailbox
mailbox: rename pl320-ipc specific mailbox.h
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Pull watchdog updates from Wim Van Sebroeck:
- new Cadence WDT driver
- new Ricoh RN5T618 watchdog
- new DA9063 PMIC watchdog driver
- new Meson WDT driver
- add restart handling code
- fixes and improvements
* git://www.linux-watchdog.org/linux-watchdog: (25 commits)
watchdog: meson: remove magic value for reboot
watchdog: Let XILINX_WATCHDOG and TEGRA_WATCHDOG depend on HAS_IOMEM
watchdog: sunxi: Add A31 watchdog support
watchdog: sunxi: support parameterized compatible strings
watchdog: imx2_wdt: add restart handler support
watchdog: qcom: register a restart notifier
watchdog: s3c2410: add restart handler
watchdog: dw_wdt: add restart handler support
ARM: defconfig: update multi_v7_defconfig
ARM: meson: add watchdog driver
ARM: docs: add documentation binding for meson watchdog
stmp3xxx_rtc_wdt: Add suspend/resume PM support
watchdog: Add DA9063 PMIC watchdog driver.
watchdog: add driver for Ricoh RN5T618 watchdog
watchdog: s3c2410_wdt: Add support for Watchdog device on Exynos7
watchdog: qcom: document device tree bindings
watchdog: qcom: add support for KPSS WDT
watchdog: dw_wdt: initialise TOP_INIT in dw_wdt_set_top()
devicetree: Add Cadence WDT devicetree bindings documentation
watchdog: Add Cadence WDT driver
...
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED update from Bryan Wu:
"Basically we have some bug fixing and clean up and one big thing is we
start to merge patch to add support LED Flash class"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
leds: gpio: cleanup the leds-gpio driver
led: gpio: Fix possible ZERO_SIZE_PTR pointer dereferencing error.
led: gpio: Sort include headers alphabetically
leds: Improve and export led_update_brightness
leds: trigger: gpio: fix warning in gpio trigger for gpios whose accessor function may sleep
leds: lp3944: fix sparse warning
leds: avoid using DEVICE_ATTR macro for max_brightness attribute
leds: make brightness type consistent across whole subsystem
leds: Reorder include directives
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git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm changes from Thierry Reding:
"There are no new drivers here, only a couple of fixes all over the
place"
* tag 'pwm/for-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: Let PWM_CLPS711X depend on HAS_IOMEM
pwm: atmel: Fix calculation of prescale value
pwm: Fix uninitialized warnings in pwm_get()
pwm: rockchip: Allow polarity invert on rk3288
pwm: imx: Avoid sample FIFO overflow for i.MX PWM version2
pwm: imx: Cleanup indentation for register definitions
pwm: imx: Fix the macro MX3_PWMCR_PRESCALER(x) definition
pwm: Fix possible ZERO_SIZE_PTR pointer dereferencing error.
pwm: lpss: make it buildable only on X86
pwm: lpss: use c99 initializers in structures
pwm: lpss: Fix build failure on PowerPC
pwm: lpss: pci: Move to use pcim_enable_device()
pwm: lpss: Properly split driver to parts
pwm: lpss: Add ACPI and PCI IDs for Intel Braswell
pwm: fsl-ftm: Select REGMAP_MMIO
pwm: fsl-ftm: Document 'big-endian' property
pwm: fsl-ftm: Convert to direct regmap API usage
pwm: fsl-ftm: Clean up the code
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
"One patch to enable the BPF system call and three more bug fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/uprobes: fix kprobes dependency
s390: wire up bpf syscall
s390/mm: fixing calls of pte_unmap_unlock
s390/hmcdrv: Restrict s390 HMC driver to S390 arch
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The dm-raid superblock (struct dm_raid_superblock) is padded to 512
bytes and that size is being used to read it in from the metadata
device into one preallocated page.
Reading or writing this on a 512-byte sector device works fine but on
a 4096-byte sector device this fails.
Set the dm-raid superblock's size to the logical block size of the
metadata device, because IO at that size is guaranteed too work. Also
add a size check to avoid silent partial metadata loss in case the
superblock should ever grow past the logical block size or PAGE_SIZE.
[includes pointer math fix from Dan Carpenter]
Reported-by: "Liuhua Wang" <lwang@suse.com>
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
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My static checker complains that "i" could be one element beyond the end
of the array.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The config structs used for DVBSky T9580 were not initialized. This patch fixes that.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Commit e93e7fd9f5a3fffec7792dbcc4c3574653effda7 ("v4l2: uvcvideo: Allow
using larger buffers") reworked the buffer size sanity check at buffer
completion time to use the frame size instead of the allocated buffer
size. However, it introduced two bugs in doing so:
- it assigned the allocated buffer size to the frame_size field, instead
of assigning the correct frame size
- it performed the assignment in the S_FMT handler, resulting in the
frame_size field being uninitialized if the userspace application
doesn't call S_FMT.
Fix both issues by removing the frame_size field and validating the
buffer size against the UVC video control dwMaxFrameSize.
Fixes: e93e7fd9f5a3 ("v4l2: uvcvideo: Allow using larger buffers")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The random_line buffer must be twice the maximum width, but it only allocated
the maximum width, so it was only half the size it needed to be.
Surprisingly I never saw the kernel fail on this, but the same TPG code used in
qv4l2 crashed and valgrind helped me track this bug down.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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request_irq() uses it, tries to create a procfs file with an empty name
otherwise.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=83771
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Fix this daily build warning:
In file included from build/media_build/v4l/em28xx-core.c:35:0:
build/media_build/v4l/em28xx-core.c: In function 'em28xx_audio_setup':
build/media_build/v4l/em28xx.h:798:2: warning: 'vid' may be used uninitialized in this function [-Wmaybe-uninitialized]
printk(KERN_INFO "%s: "fmt,\
^
build/media_build/v4l/em28xx-core.c:507:6: note: 'vid' was declared here
u32 vid;
^
As far as I can tell 'vid' can not really be used uninitialized here, but the code
is sufficiently complex that apparently gcc can't figure that out.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The vivid driver depends on FB, update the Kconfig accordingly.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reported-by: Jim Davis <jim.epost@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Make sure that loaded modules are const char strings so we don't
load arbitrary modules in the future, nor allow for format string
leaks in the module request call.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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