This patch adds missing initialisation for HP 2013 UltraSlim Dock
Line-In/Out PINs and activates keyboard mute/micmute leds
for HP EliteBook 830 G5
Signed-off-by: Dennis Wassenberg <dennis.wassenberg@secunet.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
For whatever reason we never actually update pagi_count (the in-core
perag inode count) when we allocate or free inode chunks. Online scrub
is going to use it, so we need to fix the accounting.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This is not necessary. skb_gro_receive() will never change what
'head' points to.
In it's original implementation (see commit 71d93b39e5 ("net: Add
skb_gro_receive")), it did:
====================
+ *head = nskb;
+ nskb->next = p->next;
+ p->next = NULL;
====================
This sequence was removed in commit 58025e46ea ("net: gro: remove
obsolete code from skb_gro_receive()")
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Eric Dumazet <edumazet@google.com>
The existing comments for transport features are outdated.
So update them to address the latest changes in the spec.
Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
There is a new feature bit allocated in virtio spec to
support SR-IOV (Single Root I/O Virtualization):
https://github.com/oasis-tcs/virtio-spec/issues/11
This patch enables the support for this feature bit in
virtio driver.
Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
struct vhost_msg within struct vhost_msg_node is copied to userspace.
Unfortunately it turns out on 64 bit systems vhost_msg has padding after
type which gcc doesn't initialize, leaking 4 uninitialized bytes to
userspace.
This padding also unfortunately means 32 bit users of this interface are
broken on a 64 bit kernel which will need to be fixed separately.
Fixes: CVE-2018-1118
Cc: stable@vger.kernel.org
Reported-by: Kevin Easton <kevin@guarana.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reported-by: syzbot+87cfa083e727a224754b@syzkaller.appspotmail.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This is a branch with a few merge requests that either came in late, or
took a while longer for us to review and merge than usual and thus cut
it a bit close to the merge window. We stage them in a separate branch
and if things look good, we still send them up -- and that's the case
here.
This is mostly DT additions for Renesas platforms, adding IP block
descriptions for existing and new SoCs.
There are also some driver updates for Qualcomm platforms for SMEM/QMI
and GENI, which is their generalized serial protocol interface.
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late updates from Olof Johansson:
"This is a branch with a few merge requests that either came in late,
or took a while longer for us to review and merge than usual and thus
cut it a bit close to the merge window. We stage them in a separate
branch and if things look good, we still send them up -- and that's
the case here.
This is mostly DT additions for Renesas platforms, adding IP block
descriptions for existing and new SoCs.
There are also some driver updates for Qualcomm platforms for SMEM/QMI
and GENI, which is their generalized serial protocol interface"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (186 commits)
soc: qcom: smem: introduce qcom_smem_virt_to_phys()
soc: qcom: qmi: fix a buffer sizing bug
MAINTAINERS: Update pattern for qcom_scm
soc: Unconditionally include qcom Makefile
soc: qcom: smem: check sooner in qcom_smem_set_global_partition()
soc: qcom: smem: fix qcom_smem_set_global_partition()
soc: qcom: smem: fix off-by-one error in qcom_smem_alloc_private()
soc: qcom: smem: byte swap values properly
soc: qcom: smem: return proper type for cached entry functions
soc: qcom: smem: fix first cache entry calculation
soc: qcom: cmd-db: Make endian-agnostic
drivers: qcom: add command DB driver
arm64: dts: renesas: salvator-common: Add ADV7482 support
ARM: dts: r8a7740: Add CEU1
ARM: dts: r8a7740: Add CEU0
arm64: dts: renesas: salvator-common: enable VIN
arm64: dts: renesas: r8a77970: add VIN and CSI-2 nodes
arm64: dts: renesas: r8a77965: add VIN and CSI-2 nodes
arm64: dts: renesas: r8a7796: add VIN and CSI-2 nodes
arm64: dts: renesas: r8a7795-es1: add CSI-2 node
...
This branch contains platform-related driver updates for ARM and ARM64.
Highlights:
- ARM SCMI (System Control & Management Interface) driver cleanups
- Hisilicon support for LPC bus w/ ACPI
- Reset driver updates for several platforms: Uniphier,
- Rockchip power domain bindings and hardware descriptions for several SoCs.
- Tegra memory controller reset improvements
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"This contains platform-related driver updates for ARM and ARM64.
Highlights:
- ARM SCMI (System Control & Management Interface) driver cleanups
- Hisilicon support for LPC bus w/ ACPI
- Reset driver updates for several platforms: Uniphier,
- Rockchip power domain bindings and hardware descriptions for
several SoCs.
- Tegra memory controller reset improvements"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (59 commits)
ARM: tegra: fix compile-testing PCI host driver
soc: rockchip: power-domain: add power domain support for px30
dt-bindings: power: add binding for px30 power domains
dt-bindings: power: add PX30 SoCs header for power-domain
soc: rockchip: power-domain: add power domain support for rk3228
dt-bindings: power: add binding for rk3228 power domains
dt-bindings: power: add RK3228 SoCs header for power-domain
soc: rockchip: power-domain: add power domain support for rk3128
dt-bindings: power: add binding for rk3128 power domains
dt-bindings: power: add RK3128 SoCs header for power-domain
soc: rockchip: power-domain: add power domain support for rk3036
dt-bindings: power: add binding for rk3036 power domains
dt-bindings: power: add RK3036 SoCs header for power-domain
dt-bindings: memory: tegra: Remove Tegra114 SATA and AFI reset definitions
memory: tegra: Remove Tegra114 SATA and AFI reset definitions
memory: tegra: Register SMMU after MC driver became ready
soc: mediatek: remove unneeded semicolon
soc: mediatek: add a fixed wait for SRAM stable
soc: mediatek: introduce a CAPS flag for scp_domain_data
soc: mediatek: reuse regmap_read_poll_timeout helpers
...
As always, a large number of DT updates. Too many to enumerate them all,
but at a glance:
New SoCs introduced in this release:
- Amlogic:
+ Meson 8M2 SoC, a.k.a. S812. A quad Cortex-A9 SoC used in some set
top boxes and other products.
- Mediatek:
+ MT7623A, which is a flavor of the MT7623 family with other on-chip
ethernet options.
- Qualcomm:
+ SDM845, a.k.a Snapdragon 845, an 4+4-core Kryo 385/845
(Cortex-A75/A55 derivative) SoC that's one of the current high-end
mobile SoCs.
It's great to see mainline support for it. So far, you
can't do much with it, since a lot of peripherals are not yet in the
DTs but driver support for USB, GPU and other pieces are starting to
trickle in. This might end up being a well-supported SoC upstream if
the momentum keeps up.
- Renesas:
+ R8A77990, a.k.a R-Car E3, a new automotive entertainment-targeted
SoC. Currently only one Cortex-A53 CPU is enabled, we are eagerly
awaiting more. So far, basic drivers such as serial, gpios, PMU and
ethernet are enabled.
+ R8A77470, a.k.a. RZ/G1C, a new dual Cortex-A7 SoC with PowerVR
GPU. Same here, basic set of drivers such as serial, gpios and ethernet
enabled, and SMP support is also forthcoming.
- STMicroelectronics:
+ STM32F469, very similar tih STM32F429 but with display support
Enhancements to SoCs/platforms (DTS contents, some driver portions might
not be in yet):
- Allwinner sun8i (h3/a33/a83t) SMP, DVFS tweaks, misc
- Amlogic Meson: I2C, UFS, TDM, GPIO external interrupts, MMC resets
- Hisilicon hi3660: Thermal cooling, CPU frequency scaling, mailbox interfaces
- Marvell Berlin2CD: SMP support, thermal sensors
- Mediatek MT7623: Highspeed DMA, audio support
- Qualcomm IPQ8074 PCIe support, MSM8996 UFS support
- Renesas: Watchdog and PMU support across many platforms
- Rockchip RK3399: USB3 OTG support
- Samsung Exynos: Audio-over-HDMI on Odroid X/X2/U3
- STMicro STM32: Lots of peripherals added to STM32MP175C
- Uniphier: Ethernet support
New boards:
- Allwinner A20: Olimex A20-SOM-EVB-eMMC variant
- Allwinner H2+: Libre Computer ALL-H3-CC (h2+ version)
- Allwinner A33: Nintendo NES/SuperNES Classic Edition
- Aspeed: S2600WF, Inventec Lanyang BMC, Portwell Neptune
- Berlin2CD: Valve Steam Link
- Broadcom BCM5301X: Luxul XAP-1610 and XWR-3150 V1
- Broadcom: Raspberry Pi 3 B+
- Mediatek MT7623N and MT7623A: reference boards
- Meson 8M2: Tronsmart MXIII Plus
- NXP i.MX: Engicam i.CoreM6, DHCOM iMX6 SOM, BTicino i.MX6DL Mamoj
- Qualcomm MSM8974: Sony Xperia Z1 Compact support
- Qualcomm SDM845: MTP development board
- Renesas: Ebisu R8A77990 board
- Renesas RZ/G1C: iwg23s: iWave G235-SDB
- TI am335x: Pocketbeagle support
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device tree updates from Olof Johansson:
"As always, a large number of DT updates. Too many to enumerate them
all, but at a glance:
New SoCs introduced in this release:
- Amlogic:
+ Meson 8M2 SoC, a.k.a. S812. A quad Cortex-A9 SoC used in some
set top boxes and other products.
- Mediatek:
+ MT7623A, which is a flavor of the MT7623 family with other
on-chip ethernet options.
- Qualcomm:
+ SDM845, a.k.a Snapdragon 845, an 4+4-core Kryo 385/845
(Cortex-A75/A55 derivative) SoC that's one of the current
high-end mobile SoCs.
It's great to see mainline support for it. So far, you can't do
much with it, since a lot of peripherals are not yet in the DTs
but driver support for USB, GPU and other pieces are starting to
trickle in. This might end up being a well-supported SoC
upstream if the momentum keeps up.
- Renesas:
+ R8A77990, a.k.a R-Car E3, a new automotive
entertainment-targeted SoC. Currently only one Cortex-A53 CPU is
enabled, we are eagerly awaiting more. So far, basic drivers
such as serial, gpios, PMU and ethernet are enabled.
+ R8A77470, a.k.a. RZ/G1C, a new dual Cortex-A7 SoC with PowerVR
GPU. Same here, basic set of drivers such as serial, gpios and
ethernet enabled, and SMP support is also forthcoming.
- STMicroelectronics:
+ STM32F469, very similar tih STM32F429 but with display support
Enhancements to SoCs/platforms (DTS contents, some driver portions
might not be in yet):
- Allwinner sun8i (h3/a33/a83t) SMP, DVFS tweaks, misc
- Amlogic Meson: I2C, UFS, TDM, GPIO external interrupts, MMC resets
- Hisilicon hi3660: Thermal cooling, CPU frequency scaling, mailbox interfaces
- Marvell Berlin2CD: SMP support, thermal sensors
- Mediatek MT7623: Highspeed DMA, audio support
- Qualcomm IPQ8074 PCIe support, MSM8996 UFS support
- Renesas: Watchdog and PMU support across many platforms
- Rockchip RK3399: USB3 OTG support
- Samsung Exynos: Audio-over-HDMI on Odroid X/X2/U3
- STMicro STM32: Lots of peripherals added to STM32MP175C
- Uniphier: Ethernet support
New boards:
- Allwinner A20: Olimex A20-SOM-EVB-eMMC variant
- Allwinner H2+: Libre Computer ALL-H3-CC (h2+ version)
- Allwinner A33: Nintendo NES/SuperNES Classic Edition
- Aspeed: S2600WF, Inventec Lanyang BMC, Portwell Neptune
- Berlin2CD: Valve Steam Link
- Broadcom BCM5301X: Luxul XAP-1610 and XWR-3150 V1
- Broadcom: Raspberry Pi 3 B+
- Mediatek MT7623N and MT7623A: reference boards
- Meson 8M2: Tronsmart MXIII Plus
- NXP i.MX: Engicam i.CoreM6, DHCOM iMX6 SOM, BTicino i.MX6DL Mamoj
- Qualcomm MSM8974: Sony Xperia Z1 Compact support
- Qualcomm SDM845: MTP development board
- Renesas: Ebisu R8A77990 board
- Renesas RZ/G1C: iwg23s: iWave G235-SDB
- TI am335x: Pocketbeagle support"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (448 commits)
ARM: dts: aspeed: Fix hwrng register address
arm64: dts: sprd: whale2: Add the rtc enable clock for watchdog
arm64: dts: sprd: Add GPIO and GPIO keys device nodes
arm64: dts: sprd: fix typo in 'remote-endpoint'
arm64: dts: apq8096-db820c: Removed bt-en-1-8v regulator
arm64: dts: fix regulator property name for wlan pcie endpoint
arm64: dts: qcom: msm8996: Use UFS_GDSC for UFS
ARM: dts: pxa3xx: fix MMC clocks
ARM: pxa: dts: add pin definitions for extended GPIOs
ARM: pxa: dts: add gpio-ranges to gpio controller
ARM: dts: ipq8074: Enable few peripherals for hk01 board
ARM: dts: ipq8074: Add pcie nodes
ARM: dts: ipq8074: Add peripheral nodes
ARM: dts: ipq4019: Add qcom-ipq4019-ap.dk07.1-c2 board file
ARM: dts: ipq4019: Add qcom-ipq4019-ap.dk07.1-c1 board file
ARM: dts: ipq4019: Add ipq4019-ap.dk07.1 common data
ARM: dts: ipq4019: Add qcom-ipq4019-ap.dk04.1-c3 board file
ARM: dts: ipq4019: Add ipq4019-ap.dk04.1-c1 board file
ARM: dts: ipq4019: Add ipq4019-ap.dk04.dtsi
ARM: dts: ipq4019: Change the max opp frequency
...
Here are the main updates for SoC support (besides DT additions) for ARM
32- and 64-bit platforms. The branch also contains defconfig updates to
turn on drivers and options as needed on the various platforms.
The largest parts of the delta are from cleanups moving platform data
and board file setup of TI platforms to ti-sysc bus drivers. There are
also some sweeping changes of eeprom and nand setup on Davinci, i.MX
and other platforms.
Samsung is removing support for Exynos5440, which was an oddball SoC
that hasn't been seen much use in designs.
Renesas is adding support for new SoCs (R-Car E3, RZ/G1C and RZ/N1D).
Linus Walleij is also removing support for ux500 (Sony Ericsson)
U8540/9540 SoCs that never made it to significant mass production and
products.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"Here are the main updates for SoC support (besides DT additions) for
ARM 32- and 64-bit platforms. The branch also contains defconfig
updates to turn on drivers and options as needed on the various
platforms.
The largest parts of the delta are from cleanups moving platform data
and board file setup of TI platforms to ti-sysc bus drivers. There are
also some sweeping changes of eeprom and nand setup on Davinci, i.MX
and other platforms.
Samsung is removing support for Exynos5440, which was an oddball SoC
that hasn't been seen much use in designs.
Renesas is adding support for new SoCs (R-Car E3, RZ/G1C and RZ/N1D).
Linus Walleij is also removing support for ux500 (Sony Ericsson)
U8540/9540 SoCs that never made it to significant mass production and
products"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (133 commits)
MAINTAINERS: add NXP linux team maillist as i.MX reviewer
ARM: stm32: Don't select DMA unconditionally on STM32MP157C
arm64: defconfig: Enable PCIe on msm8996 and db820c
ARM: pxa3xx: enable external wakeup pins
ARM: pxa: stargate2: use device properties for at24 eeprom
arm64: defconfig: Enable HISILICON_LPC
arm64: defconfig: enable drivers for Poplar support
arm64: defconfig: Enable UFS on msm8996
ARM: berlin: switch to SPDX license identifier
arm: berlin: remove non-necessary flush_cache_all()
ARM: berlin: extend BG2CD Kconfig entry
OMAP: CLK: CLKSRC: Add suspend resume hooks
ARM: AM43XX: Add functions to save/restore am43xx control registers
ASoC: ams_delta: use GPIO lookup table
ARM: OMAP1: ams-delta: add GPIO lookup tables
bus: ti-sysc: Fix optional clocks array access
ARM: OMAP2+: Make sure LOGICRETSTATE bits are not cleared
ARM: OMAP2+: prm44xx: Inroduce cpu_pm notifiers for context save/restore
ARM: OMAP2+: prm44xx: Introduce context save/restore for am43 PRCM IO
ARM: OMAP2+: powerdomain: Introduce cpu_pm notifiers for context save/restore
...
Daniel Borkmann says:
====================
pull-request: bpf 2018-06-12
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Avoid an allocation warning in AF_XDP by adding __GFP_NOWARN for the
umem setup, from Björn.
2) Silence a warning in bpf fs when an application tries to open(2) a
pinned bpf obj due to missing fops. Add a dummy open fop that continues
to just bail out in such case, from Daniel.
3) Fix a BPF selftest urandom_read build issue where gcc complains that
it gets built twice, from Anders.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2018-06-11
This series contains fixes to ixgbe IPsec and MACVLAN.
Alex provides the 5 fixes in this series, starting with fixing an issue
where num_rx_pools was not being populated until after the queues and
interrupts were reinitialized when enabling MACVLAN interfaces. Updated
to use CONFIG_XFRM_OFFLOAD instead of CONFIG_XFRM, since the code
requires CONFIG_XFRM_OFFLOAD to be enabled. Moved the IPsec
initialization function to be more consistent with the placement of
similar initialization functions and before the call to reset the
hardware, which will clean up any link issues that may have been
introduced. Fixed the boolean logic that was testing for transmit OR
receive ready bits, when it should have been testing for transmit AND
receive ready bits. Fixed the bit definitions for SECTXSTAT and SECRXSTAT
registers and ensure that if IPsec is disabled on the part, do not
enable it.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Merging in defconfig updates. It's useful to keep them separate during
development but little point in merging them upstream on their own.
* next/defconfig: (40 commits)
arm64: defconfig: Enable PCIe on msm8996 and db820c
arm64: defconfig: Enable HISILICON_LPC
arm64: defconfig: enable drivers for Poplar support
arm64: defconfig: Enable UFS on msm8996
arm64: defconfig: enable the Armada thermal driver
ARM: multi_v7_defconfig: Enable RENESAS_WDT
ARM: shmobile: defconfig: Enable RENESAS_WDT_GEN
arm64: defconfig: enable R8A77990 SoC
ARM: multi_v7_defconfig: Add STM32F7 I2C & STM32 USBPHYC support
arm64: defconfig: Increase CMA size for VC4
arm64: defconfig: enable rockchip efuse
ARM: imx_v6_v7_defconfig: Select CONFIG_GPIO_MAX732X by default
ARM: imx_v6_v7_defconfig: enable imx6sll by default
arm64: defconfig: Enable CONFIG_SND_AUDIO_GRAPH_CARD
arm64: defconfig: makes SND_SIMPLE_CARD to module
ARM: multi_v7_defconfig: enable the Meson PWM controller
arm: multi_v7_defconfig: enable the Amlogic Meson I2C driver
arm64: defconfig: enable CONFIG_SPI_ARMADA_3700
arm64: defconfig: Enable CONFIG_PINCTRL_MT7622 by default
arm64: defconfig: Enable bluetooth USB support
...
Signed-off-by: Olof Johansson <olof@lixom.net>
While hacking on kTLS, I ran into the following panic from an
unprivileged netserver / netperf TCP session:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
PGD 800000037f378067 P4D 800000037f378067 PUD 3c0e61067 PMD 0
Oops: 0010 [#1] SMP KASAN PTI
CPU: 1 PID: 2289 Comm: netserver Not tainted 4.17.0+ #139
Hardware name: LENOVO 20FBCTO1WW/20FBCTO1WW, BIOS N1FET47W (1.21 ) 11/28/2016
RIP: 0010: (null)
Code: Bad RIP value.
RSP: 0018:ffff88036abcf740 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88036f5f6800 RCX: 1ffff1006debed26
RDX: ffff88036abcf920 RSI: ffff8803cb1a4f00 RDI: ffff8803c258c280
RBP: ffff8803c258c280 R08: ffff8803c258c280 R09: ffffed006f559d48
R10: ffff88037aacea43 R11: ffffed006f559d49 R12: ffff8803c258c280
R13: ffff8803cb1a4f20 R14: 00000000000000db R15: ffffffffc168a350
FS: 00007f7e631f4700(0000) GS:ffff8803d1c80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000003ccf64005 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
? tls_sw_poll+0xa4/0x160 [tls]
? sock_poll+0x20a/0x680
? do_select+0x77b/0x11a0
? poll_schedule_timeout.constprop.12+0x130/0x130
? pick_link+0xb00/0xb00
? read_word_at_a_time+0x13/0x20
? vfs_poll+0x270/0x270
? deref_stack_reg+0xad/0xe0
? __read_once_size_nocheck.constprop.6+0x10/0x10
[...]
Debugging further, it turns out that calling into ctx->sk_poll() is
invalid since sk_poll itself is NULL which was saved from the original
TCP socket in order for tls_sw_poll() to invoke it.
Looks like the recent conversion from poll to poll_mask callback started
in 1525242310 ("net: add support for ->poll_mask in proto_ops") missed
to eventually convert kTLS, too: TCP's ->poll was converted over to the
->poll_mask in commit 2c7d3daceb ("net/tcp: convert to ->poll_mask")
and therefore kTLS wrongly saved the ->poll old one which is now NULL.
Convert kTLS over to use ->poll_mask instead. Also instead of POLLIN |
POLLRDNORM use the proper EPOLLIN | EPOLLRDNORM bits as the case in
tcp_poll_mask() as well that is mangled here.
Fixes: 2c7d3daceb ("net/tcp: convert to ->poll_mask")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Watson <davejwatson@fb.com>
Tested-by: Dave Watson <davejwatson@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
syzkaller reported a warning from xdp_umem_pin_pages():
WARNING: CPU: 1 PID: 4537 at mm/slab_common.c:996 kmalloc_slab+0x56/0x70 mm/slab_common.c:996
...
__do_kmalloc mm/slab.c:3713 [inline]
__kmalloc+0x25/0x760 mm/slab.c:3727
kmalloc_array include/linux/slab.h:634 [inline]
kcalloc include/linux/slab.h:645 [inline]
xdp_umem_pin_pages net/xdp/xdp_umem.c:205 [inline]
xdp_umem_reg net/xdp/xdp_umem.c:318 [inline]
xdp_umem_create+0x5c9/0x10f0 net/xdp/xdp_umem.c:349
xsk_setsockopt+0x443/0x550 net/xdp/xsk.c:531
__sys_setsockopt+0x1bd/0x390 net/socket.c:1935
__do_sys_setsockopt net/socket.c:1946 [inline]
__se_sys_setsockopt net/socket.c:1943 [inline]
__x64_sys_setsockopt+0xbe/0x150 net/socket.c:1943
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
This is a warning about attempting to allocate more than
KMALLOC_MAX_SIZE memory. The request originates from userspace, and if
the request is too big, the kernel is free to deny its allocation. In
this patch, the failed allocation attempt is silenced with
__GFP_NOWARN.
Fixes: c0c77d8fb7 ("xsk: add user memory registration support sockopt")
Reported-by: syzbot+4abadc5d69117b346506@syzkaller.appspotmail.com
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
The following patchset contains Netfilter/IPVS fixes for your net tree:
1) Reject non-null terminated helper names from xt_CT, from Gao Feng.
2) Fix KASAN splat due to out-of-bound access from commit phase, from
Alexey Kodanev.
3) Missing conntrack hook registration on IPVS FTP helper, from Julian
Anastasov.
4) Incorrect skbuff allocation size in bridge nft_reject, from Taehee Yoo.
5) Fix inverted check on packet xmit to non-local addresses, also from
Julian.
6) Fix ebtables alignment compat problems, from Alin Nastac.
7) Hook mask checks are not correct in xt_set, from Serhey Popovych.
8) Fix timeout listing of element in ipsets, from Jozsef.
9) Cap maximum timeout value in ipset, also from Jozsef.
10) Don't allow family option for hash:mac sets, from Florent Fourcot.
11) Restrict ebtables to work with NFPROTO_BRIDGE targets only, this
Florian.
12) Another bug reported by KASAN in the rbtree set backend, from
Taehee Yoo.
13) Missing __IPS_MAX_BIT update doesn't include IPS_OFFLOAD_BIT.
From Gao Feng.
14) Missing initialization of match/target in ebtables, from Florian
Westphal.
15) Remove useless nft_dup.h file in include path, from C. Labbe.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When pskb_trim_rcsum fails, the lack of error-handling code may
cause unexpected results.
This patch adds error-handling code after calling pskb_trim_rcsum.
Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
IPVS setups with local client and remote tunnel server need
to create exception for the local virtual IP. What we do is to
change PMTU from 64KB (on "lo") to 1460 in the common case.
Suggested-by: Martin KaFai Lau <kafai@fb.com>
Fixes: 45e4fd2668 ("ipv6: Only create RTF_CACHE routes after encountering pmtu exception")
Fixes: 7343ff31eb ("ipv6: Don't create clones of host routes.")
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Acked-by: David Ahern <dsahern@gmail.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This reverts commit b468620f2a.
It turns out that this broke drm on AMD platforms. Quoting Gabriel C:
"I can confirm reverting b468620f2a fixes
that issue for me.
The GPU is working fine with SME enabled.
Now with working GPU :) I can also confirm performance is back to
normal without doing any other workarounds"
Christan König analyzed it partially:
"As far as I analyzed it we now get an -ENOMEM from dma_alloc_attrs()
in drivers/gpu/drm/ttm/ttm_page_alloc_dma.c when IOMMU is enabled"
and Christoph Hellwig responded:
"I think the prime issue is that dma_direct_alloc respects the dma
mask. Which we don't need if actually using the iommu. This would be
mostly harmless exept for the the SEV bit high in the address that
makes the checks fail.
For now I'd say revert this commit for 4.17/4.18-rc and I'll look into
addressing these issues properly"
Reported-and-bisected-by: Gabriel C <nix.or.die@gmail.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Cc: Christian König <christian.koenig@amd.com>
Cc: Michel Dänzer <michel.daenzer@amd.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: stable@kernel.org # v4.17
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
ntb_transport_create_queue() is never called in atomic context.
ntb_transport_create_queue() is only called by ntb_netdev_probe(),
which is set as ".probe" in struct ntb_transport_client.
Despite never getting called from atomic context,
ntb_transport_create_queue() calls kzalloc_node() with GFP_ATOMIC,
which does not sleep for allocation.
GFP_ATOMIC is not necessary and can be replaced with GFP_KERNEL,
which can sleep and improve the possibility of sucessful allocation.
This is found by a static analysis tool named DCNS written by myself.
And I also manually check it
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
ntb_transport_setup_qp_mw() is never called in atomic context.
ntb_transport_setup_qp_mw() is only called by ntb_transport_link_work(),
which is set as a parameter of INIT_DELAYED_WORK()
in ntb_transport_probe().
Despite never getting called from atomic context,
ntb_transport_setup_qp_mw() calls kzalloc_node() with GFP_ATOMIC,
which does not sleep for allocation.
GFP_ATOMIC is not necessary and can be replaced with GFP_KERNEL,
which can sleep and improve the possibility of sucessful allocation.
This is found by a static analysis tool named DCNS written by myself.
And I also manually check it.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Move the Intel hw gen3 code to its own source file. The ntb_hw_intel.c was
getting too large and makes it hard to maintain with future hardware
changes.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Break out the generation specific definitions to different headers
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This migrates rpmsg to use SPDX license headers and fixes a
use-after-free in SMD.
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Merge tag 'rpmsg-v4.18' of git://github.com/andersson/remoteproc
Pull rpmsg updates from Bjorn Andersson:
"This migrates rpmsg to use SPDX license headers and fixes a
use-after-free in SMD"
* tag 'rpmsg-v4.18' of git://github.com/andersson/remoteproc:
rpmsg: smd: do not use mananged resources for endpoints and channels
rpmsg: char: Switch to SPDX license identifier
rpmsg: glink: Switch to SPDX license identifier
rpmsg: smd: Switch to SPDX license identifier
rpmsg: virtio_rpmsg_bus: Switch to SPDX license identifier
rpmsg: Switch to SPDX license identifier
rpmsg: qcom_smd: Access APCS through mailbox framework
rpmsg: Add driver_override device attribute for rpmsg_device
This brings a few minor fixes to the Davinci driver, drops a orphan
include file from the StE cleanup done ealier and introduces support for
booting the modem on Qualcomm's SDM845 platform.
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Merge tag 'rproc-v4.18' of git://github.com/andersson/remoteproc
Pull remoteproc updates from Bjorn Andersson:
"This brings a few minor fixes to the Davinci driver, drops a orphan
include file from the StE cleanup done ealier and introduces support
for booting the modem on Qualcomm's SDM845 platform"
* tag 'rproc-v4.18' of git://github.com/andersson/remoteproc:
remoteproc: q6v5: Allow defining GLINK edge for mss remoteproc
remoteproc: q6v5: Add support for mss remoteproc on SDM845
remoteproc: q6v5: Introduce reset assert/deassert helper functions
dt-bindings: remoteproc: Add Q6v5 Modem PIL binding for SDM845
remoteproc: q6v5: Move proxy unvote to handover irq handler
remoteproc: q6v5: Return irq from q6v5_request_irq()
remoteproc/ste: remove abandoned include file
remoteproc/davinci: use octal permissions for module_param()
remoteproc/davinci: prepare and unprepare the clock where needed
remoteproc/davinci: add the missing retval check for clk_enable()
remoteproc: Remove depends on HAS_DMA in case of platform dependency
remoteproc: Prevent incorrect rproc state on xfer mem ownership failure
In addition to migrating the files to use SPDX license headers this
introduces the ability for clients to operate a hwlock without the
framework taking any additional locks.
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Merge tag 'hwlock-v4.18' of git://github.com/andersson/remoteproc
Pull hwspinlock updates from Bjorn Andersson:
"In addition to migrating the files to use SPDX license headers this
introduces the ability for clients to operate a hwlock without the
framework taking any additional locks"
* tag 'hwlock-v4.18' of git://github.com/andersson/remoteproc:
hwspinlock/u8500: Switch to SPDX license identifier
hwspinlock: sprd: Switch to SPDX license identifier
hwspinlock/sirf: Switch to SPDX license identifier
hwspinlock: qcom: Switch to SPDX license identifier
hwspinlock/omap: Switch to SPDX license identifier
hwspinlock/core: Switch to SPDX license identifier
hwspinlock: Introduce one new mode for hwspinlock
hwspinlock: Convert to use 'switch' statement
Al noted that the semantics of the ia64 perfmon mmap() is really wrong,
and can cause serious VM problems. Before we look at whether it needs
to be fixed, let's see if anybody even uses it, and mark it broken. It
may be that we can just remove the code entirely.
Reported-by: Alexander Viro <viro@zeniv.linux.org.uk>
Acked-by: Matthew Wilcox <willy@infradead.org>
Acked-by: Stephane Eranian <eranian@google.com>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
In this round, we've mainly focused on discard, aka unmap, control along with
fstrim for Android-specific usage model. In addition, we've fixed writepage flow
which returned EAGAIN previously resulting in EIO of fsync(2) due to mapping's
error state. In order to avoid old MM bug [1], we decided not to use __GFP_ZERO
for the mapping for node and meta page caches. As always, we've cleaned up many
places for future fsverity and symbol conflicts.
Enhancement:
- do discard/fstrim in lower priority considering fs utilization
- split large discard commands into smaller ones for better responsiveness
- add more sanity checks to address syzbot reports
- add a mount option, fsync_mode=nobarrier, which can reduce # of cache flushes
- clean up symbol namespace with modified function names
- be strict on block allocation and IO control in corner cases
Bug fix:
- don't use __GFP_ZERO for mappings
- fix error reports in writepage to avoid fsync() failure
- avoid selinux denial on CAP_RESOURCE on resgid/resuid
- fix some subtle race conditions in GC/atomic writes/shutdown
- fix overflow bugs in sanity_check_raw_super
- fix missing bits on get_flags
Clean-up:
- prepare the generic flow for future fsverity integration
- fix some broken coding standard
[1] https://lkml.org/lkml/2018/4/8/661
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Merge tag 'f2fs-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this round, we've mainly focused on discard, aka unmap, control
along with fstrim for Android-specific usage model. In addition, we've
fixed writepage flow which returned EAGAIN previously resulting in EIO
of fsync(2) due to mapping's error state. In order to avoid old MM bug
[1], we decided not to use __GFP_ZERO for the mapping for node and
meta page caches. As always, we've cleaned up many places for future
fsverity and symbol conflicts.
Enhancements:
- do discard/fstrim in lower priority considering fs utilization
- split large discard commands into smaller ones for better responsiveness
- add more sanity checks to address syzbot reports
- add a mount option, fsync_mode=nobarrier, which can reduce # of cache flushes
- clean up symbol namespace with modified function names
- be strict on block allocation and IO control in corner cases
Bug fixes:
- don't use __GFP_ZERO for mappings
- fix error reports in writepage to avoid fsync() failure
- avoid selinux denial on CAP_RESOURCE on resgid/resuid
- fix some subtle race conditions in GC/atomic writes/shutdown
- fix overflow bugs in sanity_check_raw_super
- fix missing bits on get_flags
Clean-ups:
- prepare the generic flow for future fsverity integration
- fix some broken coding standard"
[1] https://lkml.org/lkml/2018/4/8/661
* tag 'f2fs-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (79 commits)
f2fs: fix to clear FI_VOLATILE_FILE correctly
f2fs: let sync node IO interrupt async one
f2fs: don't change wbc->sync_mode
f2fs: fix to update mtime correctly
fs: f2fs: insert space around that ':' and ', '
fs: f2fs: add missing blank lines after declarations
fs: f2fs: changed variable type of offset "unsigned" to "loff_t"
f2fs: clean up symbol namespace
f2fs: make set_de_type() static
f2fs: make __f2fs_write_data_pages() static
f2fs: fix to avoid accessing cross the boundary
f2fs: fix to let caller retry allocating block address
disable loading f2fs module on PAGE_SIZE > 4KB
f2fs: fix error path of move_data_page
f2fs: don't drop dentry pages after fs shutdown
f2fs: fix to avoid race during access gc_thread pointer
f2fs: clean up with clear_radix_tree_dirty_tag
f2fs: fix to don't trigger writeback during recovery
f2fs: clear discard_wake earlier
f2fs: let discard thread wait a little longer if dev is busy
...
This patch set contains a handful of fixes that clean up the sparse
results for the RISC-V port. These patches shouldn't have any
functional difference. The patches:
* Use NULL instead of 0.
* Clean up __user annotations.
* Split __copy_user into two functions, to make the __user annotations
valid.
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
This patch set contains a pair of RISC-V related updates to the
MAINTAINERS file:
* Albert is now back at UC Berkeley.
* I've added myself as a maintainer for anything with "sifive" in the
name.
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
With CONFIG_MODVERSIONS=y the R_RISCV_32 relocation is used by the
__kcrctab section.
Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
The EXPORT_SYMBOL(_mcount) for RISC-V ended up inside a
CONFIG_DYNAMIC_FTRACE ifdef. If you enable modules without enabling
CONFIG_DYNAMIC_FTRACE then you'll get a build error without this patch
because the modules won't be able to find _mcount.
The new behavior is to export _mcount whenever CONFIG_FUNCTION_TRACER is
defined. This matches what every other architecture is doing.
Signed-off-by: Alan Kao <alankao@andestech.com>
Cc: Greentime Hu <greentime@andestech.com>
Cc: Zong Li <zong@andestech.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
RISC-V uses the macro __riscv_xlen, predefined by GCC, to
make the distinction between 32 or 64 bit code.
However, sparse doesn't know anything about this macro
which lead to wrong warnings and failures.
Fix this by adding a define of __riscv_xlen to CHECKFLAGS
and add one for __riscv too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
This patch addresses two issues. First it adds the correct bit definitions
for the SECTXSTAT and SECRXSTAT registers. Then it makes use of those
definitions to test for if IPsec has been disabled on the part and if so we
do not enable it.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Reported-by: Andre Tomt <andre@tomt.net>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch fixes two issues. First we add an early test for the Tx and Rx
security block ready bits. By doing this we can avoid the need for waits or
loopback in the event that the security block is already flushed out.
Secondly we fix the boolean logic that was testing for the Tx OR Rx ready
bits being set and change it so that we only exit if the Tx AND Rx ready
bits are both set.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch moves the IPsec init function in ixgbe_sw_init. This way it is a
bit more consistent with the placement of similar initialization functions
and is placed before the reset_hw call which should allow us to clean up
any link issues that may be introduced by the fact that we force the link
up if somehow the device had IPsec still enabled before the driver was
loaded.
In addition to the function move it is necessary to change the assignment
of netdev->features. The easiest way to do this is to just test for the
existence of adapter->ipsec and if it is present we set the feature bits.
Fixes: 49a94d74d9 ("ixgbe: add ipsec engine start and stop routines")
Reported-by: Andre Tomt <andre@tomt.net>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
There is no point in adding code if CONFIG_XFRM is defined that we won't
use unless CONFIG_XFRM_OFFLOAD is defined. So instead of leaving this code
floating around I am replacing the ifdef with what I believe is the correct
one so that we only include the code and variables if they will actually be
used.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
There's no need to retain the fs/autofs4 directory for backward
compatibility.
Adding an AUTOFS4_FS fragment to the autofs Kconfig and a module alias
for autofs4 is sufficient for almost all cases. Not keeping fs/autofs4
remnants will prevent "insmod <path>/autofs4/autofs4.ko" from working
but this shouldn't be used in automation scripts rather than
modprobe(8).
There were some comments about things to look out for with the module
rename in the fs/autofs4/Kconfig that is removed by this patch, see the
commit patch if you are interested.
One potential problem with this change is that when the
fs/autofs/Kconfig fragment for AUTOFS4_FS is removed any AUTOFS4_FS
entries will be removed from the kernel config, resulting in no autofs
file system being built if there is no AUTOFS_FS entry also.
This would have also happened if the fs/autofs4 remnants had remained
and is most likely to be a problem with automated builds.
Please check your build configurations before the removal which will
occur after the next couple of kernel releases.
Acked-by: Ian Kent <raven@themaw.net>
[ With edits and commit message from Ian Kent ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When we were enabling macvlan interfaces we weren't correctly configuring
things until ixgbe_setup_tc was called a second time either by tweaking the
number of queues or increasing the macvlan count past 15.
The issue came down to the fact that num_rx_pools is not populated until
after the queues and interrupts are reinitialized.
Instead of trying to set it sooner we can just move the call to setup at
least 1 traffic class to the SR-IOV/VMDq setup function so that we just set
it for this one case. We already had a spot that was configuring the queues
for TC 0 in the code here anyway so it makes sense to also set the number
of TCs here as well.
Fixes: 49cfbeb7a9 ("ixgbe: Fix handling of macvlan Tx offload")
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
- Provide helpers to enable/disable backlight
- Provide standard and devres versions OF find helpers
- New Drivers
- Add support for the Zodiac Inflight Innovations RAVE Supervisory Processor
- New Functionality
- Allow pwm-on/pwm-off delay to be specified via DT
- Bug Fixes
- Fix ordering of the power {en,dis}able and PWM {en,dis}able signals
- Fix Device Tree node look-up
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Merge tag 'backlight-next-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Core Frameworks
- Provide helpers to enable/disable backlight
- Provide standard and devres versions OF find helpers
New Drivers:
- Add support for the Zodiac Inflight Innovations RAVE Supervisory
Processor
New Functionality:
- Allow pwm-on/pwm-off delay to be specified via DT
Bug Fixes:
- Fix ordering of the power {en,dis}able and PWM {en,dis}able
signals
- Fix Device Tree node look-up"
* tag 'backlight-next-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: as3711_bl: Fix Device Tree node leaks
backlight: tps65217_bl: Fix Device Tree node lookup
backlight: max8925_bl: Fix Device Tree node lookup
backlight: as3711_bl: Fix Device Tree node lookup
MAINTAINERS: Add dri-devel for backlight subsystem patches
backlight: Nuke BL_CORE_DRIVER1
staging: fbtft: Stop using BL_CORE_DRIVER1
backlight: pandora: Stop using BL_CORE_DRIVER1
backlight: generic-bl: Remove DRIVER1 state
backlight: Nuke unused backlight.props.state states
backlight: otm3225a: Add support for ORISE OTM3225A LCD SoC
backlight: pwm_bl: Don't use GPIOF_* with gpiod_get_direction
pwm-backlight: Add support for PWM delays proprieties.
dt-bindings: pwm-backlight: Add PWM delay proprieties.
pwm-backlight: Enable/disable the PWM before/after LCD enable toggle.
dt-bindings: backlight: Add binding for RAVE SP backlight driver
backlight: Add RAVE SP backlight driver
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Merge tag 'drm-next-2018-06-11' of git://anongit.freedesktop.org/drm/drm
Pull drm msm updates and misc fixes from Dave Airlie:
"I looked at Rob's msm tree, he kept it small due to being late, and it
was in -next for a while before he was ill, so I think it should be
fine.
Otherwise this contains a set of i915 fixes and a v3d build fix, and
vc4 leak fix"
* tag 'drm-next-2018-06-11' of git://anongit.freedesktop.org/drm/drm: (31 commits)
drm/i915/icl: Don't update enabled dbuf slices struct until updated in hw
drm/i915/icl: fix icl_unmap/map_plls_to_ports
drm/i915: Remove bogus NV12 PLANE_COLOR_CTL setup
drm/msm: Fix NULL deref on bind/probe deferral
drm/msm: Switch to atomic_helper_commit()
drm/msm: Remove msm_commit/worker, use atomic helper commit
drm/msm: Issue queued events when disabling crtc
drm/msm: Move implicit sync handling to prepare_fb
drm/msm: Refactor complete_commit() to look more the helpers
drm/msm: Don't subclass drm_atomic_state anymore
drm/msm/mdp5: Use the new private_obj state
drm/msm/mdp5: Add global state as a private atomic object
drm/msm: use correct aspace pointer in msm_gem_put_iova()
drm/msm: remove unbalanced mutex unlock
drm/msm: don't deref error pointer in the msm_fbdev_create error path
drm/msm/dsi: use correct enum in dsi_get_cmd_fmt
drm/msm: Fix possible null dereference on failure of get_pages()
drm/msm: Add modifier to mdp_get_format arguments
drm/msm: Mark the crtc->state->event consumed
drm/msm/dsi: implement auto PHY timing calculator for 10nm PHY
...
[BUG]
Btrfs can create compressed extent without checksum (even though it
shouldn't), and if we then try to replace device containing such extent,
the result device will contain all the uncompressed data instead of the
compressed one.
Test case already submitted to fstests:
https://patchwork.kernel.org/patch/10442353/
[CAUSE]
When handling compressed extent without checksum, device replace will
goe into copy_nocow_pages() function.
In that function, btrfs will get all inodes referring to this data
extents and then use find_or_create_page() to get pages direct from that
inode.
The problem here is, pages directly from inode are always uncompressed.
And for compressed data extent, they mismatch with on-disk data.
Thus this leads to corrupted compressed data extent written to replace
device.
[FIX]
In this attempt, we could just remove the "optimization" branch, and let
unified scrub_pages() to handle it.
Although scrub_pages() won't bother reusing page cache, it will be a
little slower, but it does the correct csum checking and won't cause
such data corruption caused by "optimization".
Note about the fix: this is the minimal fix that can be backported to
older stable trees without conflicts. The whole callchain from
copy_nocow_pages() can be deleted, and will be in followup patches.
Fixes: ff023aac31 ("Btrfs: add code to scrub to copy read data to another disk")
CC: stable@vger.kernel.org # 4.4+
Reported-by: James Harvey <jamespharvey20@gmail.com>
Reviewed-by: James Harvey <jamespharvey20@gmail.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
[ remove code removal, add note why ]
Signed-off-by: David Sterba <dsterba@suse.com>
When snd_ctl_add fails, the lack of error-handling code may
cause unexpected results.
This patch adds error-handling code after calling snd_ctl_add.
Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
When snd_ctl_add fails, the lack of error-handling code may
cause unexpected results.
This patch adds error-handling code after calling snd_ctl_add.
Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
