The sensor hub in Lenovo Yogas needs the enumeration quirk. I've been running
the patch for over a month with no problems, whereas the unpatched drivers
reliably mis-initialized the sensors.
Signed-off-by: Peter F. Patel-Schneider <pfpschneider@gmail.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Pull networking fixes from David Miller:
1) e1000e computes header length incorrectly wrt vlans, fix from Vlad
Yasevich.
2) ns_capable() check in sock_diag netlink code, from Andrew
Lutomirski.
3) Fix invalid queue pairs handling in virtio_net, from Amos Kong.
4) Checksum offloading busted in sxgbe driver due to incorrect
descriptor layout, fix from Byungho An.
5) Fix build failure with SMC_DEBUG set to 2 or larger, from Zi Shen
Lim.
6) Fix uninitialized A and X registers in BPF interpreter, from Alexei
Starovoitov.
7) Fix arch dependencies of candence driver.
8) Fix netlink capabilities checking tree-wide, from Eric W Biederman.
9) Don't dump IFLA_VF_PORTS if netlink request didn't ask for it in
IFLA_EXT_MASK, from David Gibson.
10) IPV6 FIB dump restart doesn't handle table changes that happen
meanwhile, causing the code to loop forever or emit dups, fix from
Kumar Sandararajan.
11) Memory leak on VF removal in bnx2x, from Yuval Mintz.
12) Bug fixes for new Altera TSE driver from Vince Bridgers.
13) Fix route lookup key in SCTP, from Xugeng Zhang.
14) Use BH blocking spinlocks in SLIP, as per a similar fix to CAN/SLCAN
driver. From Oliver Hartkopp.
15) TCP doesn't bump retransmit counters in some code paths, fix from
Eric Dumazet.
16) Clamp delayed_ack in tcp_cubic to prevent theoretical divides by
zero. Fix from Liu Yu.
17) Fix locking imbalance in error paths of HHF packet scheduler, from
John Fastabend.
18) Properly reference the transport module when vsock_core_init() runs,
from Andy King.
19) Fix buffer overflow in cdc_ncm driver, from Bjørn Mork.
20) IP_ECN_decapsulate() doesn't see a correct SKB network header in
ip_tunnel_rcv(), fix from Ying Cai.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (132 commits)
net: macb: Fix race between HW and driver
net: macb: Remove 'unlikely' optimization
net: macb: Re-enable RX interrupt only when RX is done
net: macb: Clear interrupt flags
net: macb: Pass same size to DMA_UNMAP as used for DMA_MAP
ip_tunnel: Set network header properly for IP_ECN_decapsulate()
e1000e: Restrict MDIO Slow Mode workaround to relevant parts
e1000e: Fix issue with link flap on 82579
e1000e: Expand workaround for 10Mb HD throughput bug
e1000e: Workaround for dropped packets in Gig/100 speeds on 82579
net/mlx4_core: Don't issue PCIe speed/width checks for VFs
net/mlx4_core: Load the Eth driver first
net/mlx4_core: Fix slave id computation for single port VF
net/mlx4_core: Adjust port number in qp_attach wrapper when detaching
net: cdc_ncm: fix buffer overflow
Altera TSE: ALTERA_TSE should depend on HAS_DMA
vsock: Make transport the proto owner
net: sched: lock imbalance in hhf qdisc
net: mvmdio: Check for a valid interrupt instead of an error
net phy: Check for aneg completion before setting state to PHY_RUNNING
...
Here are some small fixes and device ids for 3.15-rc4.
All have been in linux-next just fine.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small fixes and device ids for 3.15-rc4.
All have been in linux-next just fine"
* tag 'usb-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: Nokia 5300 should be treated as unusual dev
USB: Nokia 305 should be treated as unusual dev
fsl-usb: do not test for PHY_CLK_VALID bit on controller version 1.6
usb: storage: shuttle_usbat: fix discs being detected twice
usb: qcserial: add a number of Dell devices
USB: OHCI: fix problem with global suspend on ATI controllers
usb: gadget: at91-udc: fix irq and iomem resource retrieval
usb: phy: fsm: change "|" to "||" for condition OTG_STATE_A_WAIT_BCON at statemachine
usb: phy: fsm: update OTG HNP state transition
Here are some tty and serial driver fixes for things reported recently.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some tty and serial driver fixes for things reported
recently"
* tag 'tty-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: Fix lockless tty buffer race
Revert "tty: Fix race condition between __tty_buffer_request_room and flush_to_ldisc"
drivers/tty/hvc: don't free hvc_console_setup after init
n_tty: Fix n_tty_write crash when echoing in raw mode
tty: serial: 8250_core.c Bug fix for Exar chips.
Here are some small IIO driver fixes for 3.15-rc4 that resolve some
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging / iio fixes from Greg KH:
"Here are some small IIO driver fixes for 3.15-rc4 that resolve some
reported issues"
* tag 'staging-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: adc: Nothing in ADC should be a bool CONFIG
iio: exynos_adc: use indio_dev->dev structure to handle child nodes
iio:imu:mpu6050: Fixed segfault in Invensens MPU driver due to null dereference
staging:iio:ad2s1200 fix missing parenthesis in a for statment.
arch/x86/crypto/sha1_avx2_x86_64_asm.S introduced _end as a local
symbol, which broke the build under certain circumstances. Although
the wisdom of _end as a local symbol can definitely be questioned, the
build should not break for that reason.
Thus, filter the output of nm to only get global symbols of
appropriate type.
Reported-by: Andy Lutomirski <luto@amacapital.net>
Cc: Chandramouli Narayanan <mouli@linux.intel.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/n/tip-uxm3j3w3odglcwhafwq5tjqu@git.kernel.org
Pull Ceph fixes from Sage Weil:
"First, there is a critical fix for the new primary-affinity function
that went into -rc1.
The second batch of patches from Zheng fix a range of problems with
directory fragmentation, readdir, and a few odds and ends for cephfs"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
ceph: reserve caps for file layout/lock MDS requests
ceph: avoid releasing caps that are being used
ceph: clear directory's completeness when creating file
libceph: fix non-default values check in apply_primary_affinity()
ceph: use fpos_cmp() to compare dentry positions
ceph: check directory's completeness before emitting directory entry
Commit e461fcb ("xfs: remote attribute lookups require the value
length") passes the remote attribute length in the xfs_da_args
structure on lookup so that CRC calculations and validity checking
can be performed correctly by related code. This, unfortunately has
the side effect of changing the args->valuelen parameter in cases
where it shouldn't.
That is, when we replace a remote attribute, the incoming
replacement stores the value and length in args->value and
args->valuelen, but then the lookup which finds the existing remote
attribute overwrites args->valuelen with the length of the remote
attribute being replaced. Hence when we go to create the new
attribute, we create it of the size of the existing remote
attribute, not the size it is supposed to be. When the new attribute
is much smaller than the old attribute, this results in a
transaction overrun and an ASSERT() failure on a debug kernel:
XFS: Assertion failed: tp->t_blk_res_used <= tp->t_blk_res, file: fs/xfs/xfs_trans.c, line: 331
Fix this by keeping the remote attribute value length separate to
the attribute value length in the xfs_da_args structure. The enables
us to pass the length of the remote attribute to be removed without
overwriting the new attribute's length.
Also, ensure that when we save remote block contexts for a later
rename we zero the original state variables so that we don't confuse
the state of the attribute to be removes with the state of the new
attribute that we just added. [Spotted by Brain Foster.]
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
The current tmpfile handler does not initialize default ACLs. Doing so
within xfs_vn_tmpfile() makes it roughly equivalent to xfs_vn_mknod(),
which is already used as a common create handler.
xfs_vn_mknod() does not currently have a mechanism to determine whether
to link the file into the namespace. Therefore, further abstract
xfs_vn_mknod() into a new xfs_generic_create() handler with a tmpfile
parameter. This new handler calls xfs_create_tmpfile() and d_tmpfile()
on the dentry when called via ->tmpfile().
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Under "heavy" RX load, the driver cannot handle the descriptors fast
enough. In detail, when a descriptor is consumed, its used flag is
cleared and once the RX budget is consumed all descriptors with a
cleared used flag are prepared to receive more data. Under load though,
the HW may constantly receive more data and use those descriptors with a
cleared used flag before they are actually prepared for next usage.
The head and tail pointers into the RX-ring should always be valid and
we can omit clearing and checking of the used flag.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Coverage data suggests that the unlikely case of receiving data while
the receive handler is running may not be that unlikely.
Coverage data after running iperf for a while:
91320: 891: work_done = bp->macbgem_ops.mog_rx(bp, budget);
91320: 892: if (work_done < budget) {
2362: 893: napi_complete(napi);
-: 894:
-: 895: /* Packets received while interrupts were disabled */
4724: 896: status = macb_readl(bp, RSR);
2362: 897: if (unlikely(status)) {
762: 898: if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE)
762: 899: macb_writel(bp, ISR, MACB_BIT(RCOMP));
-: 900: napi_reschedule(napi);
-: 901: } else {
1600: 902: macb_writel(bp, IER, MACB_RX_INT_FLAGS);
-: 903: }
-: 904: }
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When data is received during the driver processing received data the
NAPI is re-scheduled. In that case the RX interrupt should not be
re-enabled.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A few interrupt flags were not cleared in the ISR, resulting in a sytem
trapped in the ISR in cases one of those interrupts occurred. Clear all
flags to avoid such situations.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Just as commit "net: macb: DMA-unmap full rx-buffer"
(48330e08fa), pass the size that
was used for mapping the memory also to the unmap routine to
avoid warnings from the DMA_API.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In ip_tunnel_rcv(), set skb->network_header to inner IP header
before IP_ECN_decapsulate().
Without the fix, IP_ECN_decapsulate() takes outer IP header as
inner IP header, possibly causing error messages or packet drops.
Note that this skb_reset_network_header() call was in this spot when
the original feature for checking consistency of ECN bits through
tunnels was added in eccc1bb8d4 ("tunnel: drop packet if ECN present
with not-ECT"). It was only removed from this spot in 3d7b46cd20
("ip_tunnel: push generic protocol handling to ip_tunnel module.").
Fixes: 3d7b46cd20 ("ip_tunnel: push generic protocol handling to ip_tunnel module.")
Reported-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Ying Cai <ycai@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates
This series contains updates to e1000e only.
David provides four fixes for e1000e, first is a workaround for a hardware
erratum on 82579 devices which experienced packet loss in gigabit and 100
speeds when interconnect between the PHY and MAC is exiting K1 power saving
state. Second expands the scope of a workaround to include i217 and i218
parts as well to address over aggressive transmit behavior when connecting
at 10Mbs half-duplex. Next is to resolve a reported link flap issue on
82579 parts which was root caused as an interoperability problem between
82579 and at least some Broadcom PHYs in the Energy Efficient Ethernet wake
mechanism. Lastly, restricts the workaround of putting the PHY into MDIO
slow mode to access the PHY id to relevant parts since this issue has been
fixed on the newer hardware.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
It has been determined that the workaround of putting the PHY into MDIO
slow mode to access the PHY id is not necessary with Lynx Point and newer
parts. The issue that necessitated the workaround has been fixed on the
newer hardware.
We will maintains, as a last ditch attempt, the conversion to MDIO Slow
Mode in the failure branch when attempting to access the PHY id so as to
cover all contingencies.
Signed-off-by: Dave Ertman <davidx.m.ertman@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Several customers have reported a link flap issue on 82579. The symptoms
are random and intermittent link losses when 82579 is connected to specific
link partners. Issue has been root caused as interoperability problem
between 82579 and at least some Broadcom PHYs in the Energy Efficient
Ethernet wake mechanism.
To fix the issue, we are disabling the Phase Locked Loop shutdown in 100M
Low Power Idle. This solution will cause an increase of power in 100M EEE
link. It will cost additional 28mW in this specific mode.
Cc: Lukasz Adamczuk <lukasz.adamczuk@intel.com>
Signed-off-by: Dave Ertman <davidx.m.ertman@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
In commit 772d05c51c "e1000e: slow performance
between two 82579 connected via 10Mbit hub", a workaround was put into place
to address the overaggressive transmit behavior of 82579 parts when connecting
at 10Mbs half-duplex.
This same behavior is seen on i217 and i218 parts as well. This patch expands
the original workaround to encompass these parts.
Signed-off-by: Dave Ertman <davidx.m.ertman@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This is a workaround for a HW erratum on 82579 devices.
Erratum is #23 in Intel 6 Series Chipset and Intel C200 Series Chipset
specification Update June 2013.
Problem: 82579 parts experience packet loss in Gig and 100 speeds
when interconnect between PHY and MAC is exiting K1 power saving state.
This was previously believed to only affect 1Gig speed, but has been observed
at 100Mbs also.
Workaround: Disable K1 for 82579 devices at Gig and 100 speeds.
Signed-off-by: Dave Ertman <davidx.m.ertman@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Or Gerlitz says:
====================
This series contains fixes for 3.15-rc, mostly around SRIOV. The patches by Jack,
Matan and myself fix few issues related to mlx4 SRIOV support for RoCE and single
port VFs, and the patch from Eyal eliminates checking PCI caps for VFs which is misleading.
Patches done against the net tree, commit 014f1b2 "net: bonding: Fix format string
mismatch in bond_sysfs.c"
We'd be happy to get Eyal's patch queued in your -stable list for 3.14.y
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Carrying out PCI speed/width checks through pcie_get_minimum_link()
on VFs yield wrong results, so remove them.
Fixes: b912b2f ('net/mlx4_core: Warn if device doesn't have enough PCI bandwidth')
Signed-off-by: Eyal Perry <eyalpe@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When running in SRIOV mode, VM that is assigned with a non-provisioned
Ethernet VFs get themselves a random mac when the Eth driver starts. In
this case, if the IB driver startup code that deals with RoCE runs first,
it will use a zero mac as the source mac for the Para-Virtual CM MADs
which is buggy. To handle that, we change the order of loading.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The code that deals with computing the slave id based on a given GID
gave wrong results when the number of single port VFs wasn't the
same for port 1 vs. port 2 and the relevant VF is single ported on
port 2. As a result, incoming CM MADs were dispatched to the wrong VF.
Fixed that and added documentation to clarify the computation steps.
Fixes: 449fc48 ('net/mlx4: Adapt code for N-Port VF')
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When using single ported VFs and the VF is using port 2, we need
to adjust the port accordingly (change it from 1 to 2).
Fixes: 449fc48 ('net/mlx4: Adapt code for N-Port VF')
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Jack Morgenstein <jackm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The hw_version 3 Elantech touchpad on the Gigabyte U2442 does not accept
0x0b as initialization value for r10, this stand-alone version of the
driver: http://planet76.com/drivers/elantech/psmouse-elantech-v6.tar.bz2
Uses 0x03 which does work, so this means not setting bit 3 of r10 which
sets: "Enable Real H/W Resolution In Absolute mode"
Which will result in half the x and y resolution we get with that bit set,
so simply not setting it everywhere is not a solution. We've been unable to
find a way to identify touchpads where setting the bit will fail, so this
patch uses a dmi based blacklist for this.
https://bugzilla.kernel.org/show_bug.cgi?id=61151
Cc: stable@vger.kernel.org
Reported-by: Philipp Wolfer <ph.wolfer@gmail.com>
Tested-by: Philipp Wolfer <ph.wolfer@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Commit 4d619f625a ("net: cdc_ncm: no point in filling up the NTBs
if we send ZLPs") changed the padding logic for devices with the ZLP
flag set. This meant that frames of any size will be sent without
additional padding, except for the single byte added if the size is
a multiple of the USB packet size. But if the unpadded size is
identical to the maximum frame size, and the maximum size is a
multiplum of the USB packet size, then this one-byte padding will
overflow the buffer.
Prevent padding if already at maximum frame size, letting usbnet
transmit a ZLP instead in this case.
Fixes: 4d619f625a ("net: cdc_ncm: no point in filling up the NTBs if we send ZLPs")
Reported by: Yu-an Shih <yshih@nvidia.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
If NO_DMA=y:
drivers/built-in.o: In function `altera_tse_probe':
altera_tse_main.c:(.text+0x25ec2e): undefined reference to `dma_set_mask'
altera_tse_main.c:(.text+0x25ec78): undefined reference to `dma_supported'
altera_tse_main.c:(.text+0x25ecb6): undefined reference to `dma_supported'
drivers/built-in.o: In function `sgdma_async_read':
altera_sgdma.c:(.text+0x25f620): undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `sgdma_uninitialize':
(.text+0x25f678): undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `sgdma_uninitialize':
(.text+0x25f696): undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `sgdma_initialize':
(.text+0x25f6f0): undefined reference to `dma_map_single'
drivers/built-in.o: In function `sgdma_initialize':
(.text+0x25f702): undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `sgdma_tx_buffer':
(.text+0x25f92a): undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `sgdma_rx_status':
(.text+0x25fa24): undefined reference to `dma_sync_single_for_cpu'
make[3]: *** [vmlinux] Error 1
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Vince Bridgers <vbridgers2013@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Right now the core vsock module is the owner of the proto family. This
means there's nothing preventing the transport module from unloading if
there are open sockets, which results in a panic. Fix that by allowing
the transport to be the owner, which will refcount it properly.
Includes version bump to 1.0.1.0-k
Passes checkpatch this time, I swear...
Acked-by: Dmitry Torokhov <dtor@vmware.com>
Signed-off-by: Andy King <acking@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
John W. Linville says:
====================
pull request: wireless 2014-05-01
Please pull the following batch of fixes intended for the 3.15 stream!
For the Bluetooth bits, Gustavo says:
"Some fixes for 3.15. There is a revert for the intel driver, a new
device id, and two important SSP fixes from Johan."
On top of that...
Ben Hutchings gives us a fix for an unbalanced irq enable in an
rtl8192cu error path.
Colin Ian King provides an rtlwifi fix for an uninitialized variable.
Felix Fietkau brings a pair of ath9k fixes, one that corrects a
hardware initialization value and another that removes an (unnecessary)
flag that was being used in a way that led to a software tx queue
hang in ath9k.
Gertjan van Wingerde pushes a MAINTAINERS change to remove himself
from the rt2x00 maintainer team.
Hans de Goede fixes a brcmfmac firmware load hang.
Larry Finger changes rtlwifi to use the correct queue for V0 traffic
on rtl8192se.
Rajkumar Manoharan corrects a race in ath9k driver initialization.
Stanislaw Gruszka fixes an rt2x00 bug in which disabling beaconing
once on USB devices led to permanently disabling beaconing for those
devices.
Tim Harvey provides fixes for a pair of ath9k issues that can lead
to soft lockups in that driver.
Please let me know if there are problems!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Build console support only when CONFIG_TTY is selected.
This restores ISS as the default platform for allnoconfig builds.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
Unpaired quotes really confuse mutt when copy & pasting it into the To:
form.
Signed-off-by: Christoph Hellwig <hch@lst.de>
[ I'm going to remove all silly quotes entirely one day, but that day is
not today. So I'll just apply this - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* 2 real bug-fixes from Tanya for the still "experimental" UBI fastmap feature
* a one-liner from Kees which hardens kernel security
* a small error-path fix, where we forget to free various resources in case of
failure - spotted by the "smatch" tool
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Merge tag 'upstream-3.15-rc5' of git://git.infradead.org/linux-ubifs
Pull ubifs fixes from Artem Bityutskiy:
"This includes the following fixes:
- two real bug-fixes from Tanya for the still "experimental" UBI
fastmap feature
- a one-liner from Kees which hardens kernel security
- a small error-path fix, where we forget to free various resources
in case of failure - spotted by the 'smatch' tool"
* tag 'upstream-3.15-rc5' of git://git.infradead.org/linux-ubifs:
UBI: avoid workqueue format string leak
UBI: fix ubi free PEBs count calculation
UBI: fix error path in __wl_get_peb
UBIFS: fix remount error path
Do not leak kernel-only floppy_raw_cmd structure members to userspace.
This includes the linked-list pointer and the pointer to the allocated
DMA space.
Signed-off-by: Matthew Daley <mattd@bugfuzz.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Always clear out these floppy_raw_cmd struct members after copying the
entire structure from userspace so that the in-kernel version is always
valid and never left in an interdeterminate state.
Signed-off-by: Matthew Daley <mattd@bugfuzz.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Since commit 1df5a06a ("ALSA: hda - hdmi: Fix programmed active channel
count") channel count is no longer being set if monitor_present is 0.
This is because setting the count was moved after the CA value is
determined, which is only after the monitor_present check in
hdmi_setup_audio_infoframe().
Unfortunately, in some cases, such as with a non-spec-compliant codec or
with a problematic video driver, monitor_present is always 0. As a
specific example, this seems to happen with gen1 ATV (SiI1390 codec),
causing left-channel-only stereo playback (multi-channel playback has
apparently never worked with this codec despite it reporting 8 channels,
reason unknown).
Simply setting converter channel count without setting the pin infoframe
and channel mapping as well does not theoretically make much sense as
this will just mean they are out-of-sync and multichannel playback will
have a wrong channel mapping.
However, adding back just setting the converter channel count even in
no-monitor case is the safest change which at least fixes the stereo
playback regression on SiI1390 codec. Do that.
Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Reported-by: Stephan Raue <stephan@openelec.tv>
Tested-by: Stephan Raue <stephan@openelec.tv>
Cc: <stable@vger.kernel.org> # 3.12+
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This touchpad seriously dislikes init reports, not only timeing out, but
also refusing to work after this.
Cc: stable@vger.kernel.org
Reported-and-tested-by: Vincent Fortier <th0ma7@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The extra seven bits are only required when allocating the report buffer.
We can not use those extra bytes for the length of the report in the
generic implementation of .request because the device might (will) refuse
the set_report command.
This has been verified on the Atmel touchpad found on the Samsung Ativ 9
plus, which uses hid-multitouch and HID over I2C. Without this fix, the
device refuses to switch to the multitouch mode, and it becomes unresponsive
from the user point of view.
Actually, this has been discussed during the initial submission of the
commit 4fa5a7f76c, see
https://patchwork.kernel.org/patch/3621751/
Unfortunately, I completely forgot about it later.
Reported-by: Matthias Bayer <thematthiasbayer@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
When building the name for the workqueue thread, make sure a format
string cannot leak in from the disk name.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
The ubi->free_count should be updated with every insert/remove to/from
the ubi->free list.
Signed-off-by: Tanya Brokhman <tlinder@codeaurora.org>
Reviewed-by: Dolev Raviv <draviv@codeaurora.org>
Acked-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
In case of an error (if there are not free PEB's for example),
__wl_get_peb will return a negative value. In order to prevent access
violation we need to test the returned value prior to using it later on.
Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org>
Reviewed-by: Dolev Raviv <draviv@codeaurora.org>
Acked-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Dan's "smatch" checker found out that there was a bug in the error path of the
'ubifs_remount_rw()' function. Instead of jumping to the "out" label which
cleans-things up, we just returned.
This patch fixes the problem.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
We have had this code in the kernel for over a year now and have
shaken all the known issues out of the code over the past few
releases. It's now time to remove the experimental warnings during
mount and fully support the new filesystem format in production
systems.
Remove the experimental warning, and add a version number to the
initial "mounting filesystem" message to tell use what type of
filesystem is being mounted. Also, remove the temporary inode
cluster size output at mount time now we know that this code works
fine.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
On 64 bit systems the agp_info struct has a 4 byte hole between
->agp_mode and ->aper_base. We need to clear it to avoid disclosing
stack information to userspace.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
hhf_change() takes the sch_tree_lock and releases it but misses the
error cases. Fix the missed case here.
To reproduce try a command like this,
# tc qdisc change dev p3p2 root hhf quantum 40960 non_hh_weight 300000
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- only an email address change to the MAINTAINERS file
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Merge tag 'locks-v3.15-3' of git://git.samba.org/jlayton/linux
Pull file locking change from Jeff Layton:
"Only an email address change to the MAINTAINERS file"
* tag 'locks-v3.15-3' of git://git.samba.org/jlayton/linux:
MAINTAINERS: email address change for Jeff Layton
arm64 move of of_clk_init() call in a previous commit
- Default DMA ops changed to non-coherent to preserve compatibility with
32-bit ARM DT files. The "dma-coherent" property can be used to
explicitly mark a device coherent. The Applied Micro DT file has been
updated to avoid DMA cache maintenance for the X-Gene SATA controller
(the only arm64 related driver with such assumption in -rc mainline)
- Fixmap correction for earlyprintk
- kern_addr_valid() fix for huge pages
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
"These are mostly arm64 fixes with an additional arm(64) platform fix
for the initialisation of vexpress clocks (the latter only affecting
arm64; the arch/arm64 code is SoC agnostic and does not rely on early
SoC-specific calls)
- vexpress platform clocks initialisation moved earlier following the
arm64 move of of_clk_init() call in a previous commit
- Default DMA ops changed to non-coherent to preserve compatibility
with 32-bit ARM DT files. The "dma-coherent" property can be used
to explicitly mark a device coherent. The Applied Micro DT file
has been updated to avoid DMA cache maintenance for the X-Gene SATA
controller (the only arm64 related driver with such assumption in
-rc mainline)
- Fixmap correction for earlyprintk
- kern_addr_valid() fix for huge pages"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
vexpress: Initialise the sysregs before setting up the clocks
arm64: Mark the Applied Micro X-Gene SATA controller as DMA coherent
arm64: Use bus notifiers to set per-device coherent DMA ops
arm64: Make default dma_ops to be noncoherent
arm64: fixmap: fix missing sub-page offset for earlyprintk
arm64: Fix for the arm64 kern_addr_valid() function
This is two patches both fixing bugs in drivers (virtio-scsi and mpt2sas)
causing an oops in certain circumstances.
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is two patches both fixing bugs in drivers (virtio-scsi and
mpt2sas) causing an oops in certain circumstances"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
[SCSI] virtio-scsi: Skip setting affinity on uninitialized vq
[SCSI] mpt2sas: Don't disable device twice at suspend.
