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In the error path of stm_source_register_device(), the kfree is
unnecessary, as the put_device() before it ends up calling
stm_source_device_release() to free stm_source_device, leading to
a double free at the outer kfree() call. Remove it.
Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Fixes: 7bd1d4093c2fa ("stm class: Introduce an abstraction for System Trace Module devices")
Link: https://lore.kernel.org/linux-arm-kernel/1563354988-23826-1-git-send-email-dingxiang@cmss.chinamobile.com/
Cc: stable@vger.kernel.org # v4.4+
Link: https://lore.kernel.org/r/20190821074955.3925-2-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-linus
Moritz writes:
FPGA Manager fixes for 5.3
A single fix for the altera-ps-spi driver that fixes the behavior when
the driver receives -EPROBE_DEFER when trying to obtain a GPIO desc.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
* tag 'fpga-fixes-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga:
fpga: altera-ps-spi: Fix getting of optional confd gpio
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Thomas and I seem to have become the "unofficial" maintainers for these
files and questions about SPDX things. So let's make it official.
Reported-by: "Darrick J. Wong" <darrick.wong@oracle.com>
Grumpily-acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Darrick J. Wong <darrick.wong@oracle.com>
Link: https://lore.kernel.org/r/20190827195310.GA30618@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Hot on the heels of our last set of fixes are a few more for -rc7.
Two of them are fixing issues with our virtual interrupt controller
implementation in KVM/arm, while the other is a longstanding but
straightforward kallsyms fix which was been acked by Masami and
resolves an initialisation failure in kprobes observed on arm64.
- Fix GICv2 emulation bug (KVM)
- Fix deadlock in virtual GIC interrupt injection code (KVM)
- Fix kprobes blacklist init failure due to broken kallsyms lookup"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
KVM: arm/arm64: vgic-v2: Handle SGI bits in GICD_I{S,C}PENDR0 as WI
KVM: arm/arm64: vgic: Fix potential deadlock when ap_list is long
kallsyms: Don't let kallsyms_lookup_size_offset() fail on retrieving the first symbol
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Yi reported[1] that after commit a3619190d62e ("libnvdimm/pfn: stop
padding pmem namespaces to section alignment"), it was no longer
possible to create a device dax namespace with a 1G alignment. The
reason was that the pmem region was not itself 1G-aligned. The code
happily skips past the first 512M, but fails to account for a now
misaligned end offset (since space was allocated starting at that
misaligned address, and extending for size GBs). Reintroduce
end_trunc, so that the code correctly handles the misaligned end
address. This results in the same behavior as before the introduction
of the offending commit.
[1] https://lists.01.org/pipermail/linux-nvdimm/2019-July/022813.html
Fixes: a3619190d62e ("libnvdimm/pfn: stop padding pmem namespaces ...")
Reported-and-tested-by: Yi Zhang <yi.zhang@redhat.com>
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Link: https://lore.kernel.org/r/x49ftll8f39.fsf@segfault.boston.devel.redhat.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The de-init routine should be doing the following in order:-
1. Unregister the drm device
2. Shut down the crtcs - failing to do this might cause a connector leakage
See the 'commit 109c4d18e574 ("drm/arm/malidp: Ensure that the crtcs are
shutdown before removing any encoder/connector")'
3. Disable the interrupts
4. Unbind the components
5. Free up DRM mode_config info
Changes from v1:-
1. Re-ordered the header files inclusion
2. Rebased on top of the latest drm-misc-fixes
Signed-off-by:. Ayan Kumar Halder <Ayan.Halder@arm.com>
Reviewed-by: Mihail Atanassov <mihail.atanassov@arm.com>
Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Link: https://patchwork.freedesktop.org/patch/327606/
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GCC9 build warning
One of the very few warnings I have in the current build comes from
arch/x86/boot/edd.c, where I get the following with a gcc9 build:
arch/x86/boot/edd.c: In function ‘query_edd’:
arch/x86/boot/edd.c:148:11: warning: taking address of packed member of ‘struct boot_params’ may result in an unaligned pointer value [-Waddress-of-packed-member]
148 | mbrptr = boot_params.edd_mbr_sig_buffer;
| ^~~~~~~~~~~
This warning triggers because we throw away all the CFLAGS and then make
a new set for REALMODE_CFLAGS, so the -Wno-address-of-packed-member we
added in the following commit is not present:
6f303d60534c ("gcc-9: silence 'address-of-packed-member' warning")
The simplest solution for now is to adjust the warning for this version
of CFLAGS as well, but it would definitely make sense to examine whether
REALMODE_CFLAGS could be derived from CFLAGS, so that it picks up changes
in the compiler flags environment automatically.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Borislav Petkov <bp@alien8.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Walking the address list of an inet6_dev requires
appropriate locking. Since the called function
siw_listen_address() may sleep, we have to use
rtnl_lock() instead of read_lock_bh().
Also introduces sanity checks if we got a device
from in_dev_get() or in6_dev_get().
Reported-by: Bart Van Assche <bvanassche@acm.org>
Fixes: 6c52fdc244b5 ("rdma/siw: connection management")
Signed-off-by: Bernard Metzler <bmt@zurich.ibm.com>
Link: https://lore.kernel.org/r/20190828130355.22830-1-bmt@zurich.ibm.com
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add some documentation describing the DDR PMU residing in the Freescale
i.MDX SoC and its perf driver implementation in Linux.
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: Will Deacon <will@kernel.org>
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AXI filtering is used by events 0x41 and 0x42 to count reads or writes
with an ARID or AWID matching a specified filter. The filter is exposed
to userspace as an (ID, MASK) pair, where each set bit in the mask
causes the corresponding bit in the ID to be ignored when matching
against the ID of memory transactions for the purposes of incrementing
the counter.
For example:
# perf stat -a -e imx8_ddr0/axid-read,axi_mask=0xff,axi_id=0x800/ cmd
will count all read transactions from AXI IDs 0x800 - 0x8ff. If the
'axi_mask' is omitted, then it is treated as 0x0 which means that the
'axi_id' will be matched exactly.
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: Will Deacon <will@kernel.org>
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This converts the BCM2835 SPI master driver to use GPIO
descriptors for chip select handling.
The BCM2835 driver was relying on the core to drive the
CS high/low so very small changes were needed for this
part. If it managed to request the CS from the device tree
node, all is pretty straight forward.
However for native GPIOs this driver has a quite unorthodox
loopback to request some GPIOs from the SoC GPIO chip by
looking it up from the device tree using gpiochip_find()
and then offseting hard into its numberspace. This has
been augmented a bit by using gpiochip_request_own_desc()
but this code really needs to be verified. If "native CS"
is actually an SoC GPIO, why is it even done this way?
Should this GPIO not just be defined in the device tree
like any other CS GPIO? I'm confused.
Cc: Lukas Wunner <lukas@wunner.de>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Martin Sperl <kernel@martin.sperl.org>
Cc: Chris Boot <bootc@bootc.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20190804003852.1312-1-linus.walleij@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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This converts the Freescale SPI master driver to use GPIO
descriptors for chip select handling.
The Freescale (fsl) driver has a lot of quirks to look up
"gpios" rather than "cs-gpios" from the device tree.
After the prior patch that will make gpiolib return the
GPIO descriptor for "gpios" in response to a request for
"cs-gpios", this code can be cut down quite a bit.
The driver has custom handling of chip select rather
than using the core (which may be possible but not
done in this patch) so it still needs to refer directly
to spi->cs_gpiod to set the chip select.
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20190804003539.985-1-linus.walleij@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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While the MMUs is disabled, I-cache speculation can result in
instructions being fetched from the PoC. During boot we may patch
instructions (e.g. for alternatives and jump labels), and these may be
dirty at the PoU (and stale at the PoC).
Thus, while the MMU is disabled in the KPTI pagetable fixup code we may
load stale instructions into the I-cache, potentially leading to
subsequent crashes when executing regions of code which have been
modified at runtime.
Similarly to commit:
8ec41987436d566f ("arm64: mm: ensure patched kernel text is fetched from PoU")
... we can invalidate the I-cache after enabling the MMU to prevent such
issues.
The KPTI pagetable fixup code itself should be clean to the PoC per the
boot protocol, so no maintenance is required for this code.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: James Morse <james.morse@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
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With 16K pages and 48-bit VAs, the PGD level of table has two entries,
and so the fixmap shares a PGD with the kernel image. Since commit:
f9040773b7bbbd9e ("arm64: move kernel image to base of vmalloc area")
... we copy the existing fixmap to the new fine-grained page tables at
the PUD level in this case. When walking to the new PUD, we forgot to
offset the PGD entry and always used the PGD entry at index 0, but this
worked as the kernel image and fixmap were in the low half of the TTBR1
address space.
As of commit:
14c127c957c1c607 ("arm64: mm: Flip kernel VA space")
... the kernel image and fixmap are in the high half of the TTBR1
address space, and hence use the PGD at index 1, but we didn't update
the fixmap copying code to account for this.
Thus, we'll erroneously try to copy the fixmap slots into a PUD under
the PGD entry at index 0. At the point we do so this PGD entry has not
been initialised, and thus we'll try to write a value to a small offset
from physical address 0, causing a number of potential problems.
Fix this be correctly offsetting the PGD. This is split over a few steps
for legibility.
Fixes: 14c127c957c1c607 ("arm64: mm: Flip kernel VA space")
Reported-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Tested-by: Marc Zyngier <maz@kernel.org>
Acked-by: Steve Capper <Steve.Capper@arm.com>
Tested-by: Steve Capper <Steve.Capper@arm.com>
Tested-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
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The register number needs to be translated for chips with more than 8
ports. This patch fixes a bug causing all chips with more than 8 GPIO pins
to not work correctly.
Fixes: 0f25fda840a9 ("gpio: pca953x: Zap ad-hoc reg_direction cache")
Cc: Cc: <stable@vger.kernel.org>
Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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The type of reg_direction needs to match the type of the regmap, which
is u8.
Fixes: 0f25fda840a9 ("gpio: pca953x: Zap ad-hoc reg_direction cache")
Cc: Cc: <stable@vger.kernel.org>
Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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The MT6358 is a regulator found on boards based on MediaTek MT8183 and
probably other SoCs. It is a so called pmic and connects as a slave to
SoC using SPI, wrapped inside the pmic-wrapper.
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Link: https://lore.kernel.org/r/1566531931-9772-8-git-send-email-hsin-hsiung.wang@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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add dt-binding document for MediaTek MT6358 PMIC
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Link: https://lore.kernel.org/r/1566531931-9772-6-git-send-email-hsin-hsiung.wang@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The parent image is read only up to the overlap point, the rest of
the buffer should be zeroed. This snuck in because as it turns out
the overlap test case has not been triggering this code path for
a while now.
Fixes: a9b67e69949d ("rbd: replace obj_req->tried_parent with obj_req->read_state")
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
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In set_secret(), key->tfm is assigned to NULL on line 55, and then
ceph_crypto_key_destroy(key) is executed.
ceph_crypto_key_destroy(key)
crypto_free_sync_skcipher(key->tfm)
crypto_free_skcipher(&tfm->base);
This happens to work because crypto_sync_skcipher is a trivial wrapper
around crypto_skcipher: &tfm->base is still 0 and crypto_free_skcipher()
handles that. Let's not rely on the layout of crypto_sync_skcipher.
This bug is found by a static analysis tool STCheck written by us.
Fixes: 69d6302b65a8 ("libceph: Remove VLA usage of skcipher").
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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A guest is not allowed to inject a SGI (or clear its pending state)
by writing to GICD_ISPENDR0 (resp. GICD_ICPENDR0), as these bits are
defined as WI (as per ARM IHI 0048B 4.3.7 and 4.3.8).
Make sure we correctly emulate the architecture.
Fixes: 96b298000db4 ("KVM: arm/arm64: vgic-new: Add PENDING registers handlers")
Cc: stable@vger.kernel.org # 4.7+
Reported-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
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Vladimir Rutsky reported stuck TCP sessions after memory pressure
events. Edge Trigger epoll() user would never receive an EPOLLOUT
notification allowing them to retry a sendmsg().
Jason tested the case of sk_stream_alloc_skb() returning NULL,
but there are other paths that could lead both sendmsg() and sendpage()
to return -1 (EAGAIN), with an empty skb queued on the write queue.
This patch makes sure we remove this empty skb so that
Jason code can detect that the queue is empty, and
call sk->sk_write_space(sk) accordingly.
Fixes: ce5ec440994b ("tcp: ensure epoll edge trigger wakeup when write queue is empty")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jason Baron <jbaron@akamai.com>
Reported-by: Vladimir Rutsky <rutsky@google.com>
Cc: Soheil Hassas Yeganeh <soheil@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The rds6_inc_info_copy() function has a couple struct members which
are leaking stack information. The ->tos field should hold actual
information and the ->flags field needs to be zeroed out.
Fixes: 3eb450367d08 ("rds: add type of service(tos) infrastructure")
Fixes: b7ff8b1036f0 ("rds: Extend RDS API for IPv6 support")
Reported-by: 黄ID蝴蝶 <butterflyhuangxx@gmail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ka-Cheong Poon <ka-cheong.poon@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After commit baeababb5b85d5c4e6c917efe2a1504179438d3b
("tun: return NET_XMIT_DROP for dropped packets"),
when tun_net_xmit drop packets, it will free skb and return NET_XMIT_DROP,
netpoll_send_skb_on_dev will run into following use after free cases:
1. retry netpoll_start_xmit with freed skb;
2. queue freed skb in npinfo->txq.
queue_process will also run into use after free case.
hit netpoll_send_skb_on_dev first case with following kernel log:
[ 117.864773] kernel BUG at mm/slub.c:306!
[ 117.864773] invalid opcode: 0000 [#1] SMP PTI
[ 117.864774] CPU: 3 PID: 2627 Comm: loop_printmsg Kdump: loaded Tainted: P OE 5.3.0-050300rc5-generic #201908182231
[ 117.864775] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
[ 117.864775] RIP: 0010:kmem_cache_free+0x28d/0x2b0
[ 117.864781] Call Trace:
[ 117.864781] ? tun_net_xmit+0x21c/0x460
[ 117.864781] kfree_skbmem+0x4e/0x60
[ 117.864782] kfree_skb+0x3a/0xa0
[ 117.864782] tun_net_xmit+0x21c/0x460
[ 117.864782] netpoll_start_xmit+0x11d/0x1b0
[ 117.864788] netpoll_send_skb_on_dev+0x1b8/0x200
[ 117.864789] __br_forward+0x1b9/0x1e0 [bridge]
[ 117.864789] ? skb_clone+0x53/0xd0
[ 117.864790] ? __skb_clone+0x2e/0x120
[ 117.864790] deliver_clone+0x37/0x50 [bridge]
[ 117.864790] maybe_deliver+0x89/0xc0 [bridge]
[ 117.864791] br_flood+0x6c/0x130 [bridge]
[ 117.864791] br_dev_xmit+0x315/0x3c0 [bridge]
[ 117.864792] netpoll_start_xmit+0x11d/0x1b0
[ 117.864792] netpoll_send_skb_on_dev+0x1b8/0x200
[ 117.864792] netpoll_send_udp+0x2c6/0x3e8
[ 117.864793] write_msg+0xd9/0xf0 [netconsole]
[ 117.864793] console_unlock+0x386/0x4e0
[ 117.864793] vprintk_emit+0x17e/0x280
[ 117.864794] vprintk_default+0x29/0x50
[ 117.864794] vprintk_func+0x4c/0xbc
[ 117.864794] printk+0x58/0x6f
[ 117.864795] loop_fun+0x24/0x41 [printmsg_loop]
[ 117.864795] kthread+0x104/0x140
[ 117.864795] ? 0xffffffffc05b1000
[ 117.864796] ? kthread_park+0x80/0x80
[ 117.864796] ret_from_fork+0x35/0x40
Signed-off-by: Feng Sun <loyou85@gmail.com>
Signed-off-by: Xiaojun Zhao <xiaojunzhao141@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After witnessing the discussion in https://lkml.org/lkml/2019/8/14/151
w.r.t. ioctl extensibility, it became clear that such an issue might
prevent that the 3 RSV bits inside the DSA 802.1Q tag might also suffer
the same fate and be useless for further extension.
So clearly specify that the reserved bits should currently be
transmitted as zero and ignored on receive. The DSA tagger already does
this (and has always did), and is the only known user so far (no
Wireshark dissection plugin, etc). So there should be no incompatibility
to speak of.
Fixes: 0471dd429cea ("net: dsa: tag_8021q: Create a stable binary format")
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 34786005eca3 ("net: phy: prevent PHYs w/o Clause 22 regs from calling
genphy_config_aneg") introduced a check that aborts phy_config_aneg()
if the phy is a C45 phy.
This causes phy_state_machine() to call phy_error() so that the phy
ends up in PHY_HALTED state.
Instead of returning -EOPNOTSUPP, call genphy_c45_config_aneg()
(analogous to the C22 case) so that the state machine can run
correctly.
genphy_c45_config_aneg() closely resembles mv3310_config_aneg()
in drivers/net/phy/marvell10g.c, excluding vendor specific
configurations for 1000BaseT.
Fixes: 22b56e827093 ("net: phy: replace genphy_10g_driver with genphy_c45_driver")
Signed-off-by: Marco Hartmann <marco.hartmann@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To 2.22
Signed-off-by: Steve French <stfrench@microsoft.com>
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Using strscpy is cleaner, and avoids some problems with
handling maximum length strings. Linus noticed the
original problem and Aurelien pointed out some additional
problems. Fortunately most of this is SMB1 code (and
in particular the ASCII string handling older, which
is less common).
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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The net pointer in struct xt_tgdtor_param is not explicitly
initialized therefore is still NULL when dereferencing it.
So we have to find a way to pass the correct net pointer to
ipt_destroy_target().
The best way I find is just saving the net pointer inside the per
netns struct tcf_idrinfo, which could make this patch smaller.
Fixes: 0c66dc1ea3f0 ("netfilter: conntrack: register hooks in netns when needed by ruleset")
Reported-and-tested-by: itugrok@yahoo.com
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It's safer to zero out the password so that it can never be disclosed.
Fixes: 0c219f5799c7 ("cifs: set domainName when a domain-key is used in multiuser")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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RHBZ: 1710429
When we use a domain-key to authenticate using multiuser we must also set
the domainnmame for the new volume as it will be used and passed to the server
in the NTLMSSP Domain-name.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Pull NFS client bugfixes from Trond Myklebust:
"Highlights include:
Stable fixes:
- Fix a page lock leak in nfs_pageio_resend()
- Ensure O_DIRECT reports an error if the bytes read/written is 0
- Don't handle errors if the bind/connect succeeded
- Revert "NFSv4/flexfiles: Abort I/O early if the layout segment was
invalidat ed"
Bugfixes:
- Don't refresh attributes with mounted-on-file information
- Fix return values for nfs4_file_open() and nfs_finish_open()
- Fix pnfs layoutstats reporting of I/O errors
- Don't use soft RPC calls for pNFS/flexfiles I/O, and don't abort
for soft I/O errors when the user specifies a hard mount.
- Various fixes to the error handling in sunrpc
- Don't report writepage()/writepages() errors twice"
* tag 'nfs-for-5.3-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS: remove set but not used variable 'mapping'
NFSv2: Fix write regression
NFSv2: Fix eof handling
NFS: Fix writepage(s) error handling to not report errors twice
NFS: Fix spurious EIO read errors
pNFS/flexfiles: Don't time out requests on hard mounts
SUNRPC: Handle connection breakages correctly in call_status()
Revert "NFSv4/flexfiles: Abort I/O early if the layout segment was invalidated"
SUNRPC: Handle EADDRINUSE and ENOBUFS correctly
pNFS/flexfiles: Turn off soft RPC calls
SUNRPC: Don't handle errors if the bind/connect succeeded
NFS: On fatal writeback errors, we need to call nfs_inode_remove_request()
NFS: Fix initialisation of I/O result struct in nfs_pgio_rpcsetup
NFS: Ensure O_DIRECT reports an error if the bytes read/written is 0
NFSv4/pnfs: Fix a page lock leak in nfs_pageio_resend()
NFSv4: Fix return value in nfs_finish_open()
NFSv4: Fix return values for nfs4_file_open()
NFS: Don't refresh attributes with mounted-on-file information
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The differences between SY8824C and SY20278 are different regs
for mode/enable.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20190827163830.2c94f29b@xhacker.debian
Signed-off-by: Mark Brown <broonie@kernel.org>
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SY20276 is an I2C-controlled adjustable voltage regulator made by
Silergy Corp. The differences between SY8824C and SY20278 are
different regs for mode/enable.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20190827163754.170cf130@xhacker.debian
Signed-off-by: Mark Brown <broonie@kernel.org>
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The differences between SY8824C and SY20276 are different vsel_min,
vsel_step, vsel_count and regs for mode/enable.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20190827163721.1947f7a0@xhacker.debian
Signed-off-by: Mark Brown <broonie@kernel.org>
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SY20276 is an I2C-controlled adjustable voltage regulator made by
Silergy Corp. The differences between SY8824C and SY20276 are
different vsel_min, vsel_step, vsel_count and regs for mode/enable.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20190827163650.47ed1213@xhacker.debian
Signed-off-by: Mark Brown <broonie@kernel.org>
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The only difference between SY8824E and SY8824C/D is the vsel_min.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20190827163537.52023c4e@xhacker.debian
Signed-off-by: Mark Brown <broonie@kernel.org>
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SY8824E is an I2C-controlled adjustable voltage regulator made by
Silergy Corp. The only difference between SY8824C and SY8824E is the
vsel_min.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20190827163505.361890af@xhacker.debian
Signed-off-by: Mark Brown <broonie@kernel.org>
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SY8824C is an I2C attached single output regulator made by Silergy Corp,
which is used on several Synaptics berlin platforms to control the
power supply of the ARM cores.
Add a driver for it.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20190827163418.1a32fc48@xhacker.debian
Signed-off-by: Mark Brown <broonie@kernel.org>
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SY8824C is an I2C-controlled adjustable voltage regulator made by
Silergy Corp.
Add its device tree binding.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20190827163341.61df63a7@xhacker.debian
Signed-off-by: Mark Brown <broonie@kernel.org>
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Don't advance RIP or inject a single-step #DB if emulation signals a
fault. This logic applies to all state updates that are conditional on
clean retirement of the emulation instruction, e.g. updating RFLAGS was
previously handled by commit 38827dbd3fb85 ("KVM: x86: Do not update
EFLAGS on faulting emulation").
Not advancing RIP is likely a nop, i.e. ctxt->eip isn't updated with
ctxt->_eip until emulation "retires" anyways. Skipping #DB injection
fixes a bug reported by Andy Lutomirski where a #UD on SYSCALL due to
invalid state with EFLAGS.TF=1 would loop indefinitely due to emulation
overwriting the #UD with #DB and thus restarting the bad SYSCALL over
and over.
Cc: Nadav Amit <nadav.amit@gmail.com>
Cc: stable@vger.kernel.org
Reported-by: Andy Lutomirski <luto@kernel.org>
Fixes: 663f4c61b803 ("KVM: x86: handle singlestep during emulation")
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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kvm_intel.nested is disabled
If kvm_intel is loaded with nested=0 parameter an attempt to perform
KVM_GET_SUPPORTED_HV_CPUID results in OOPS as nested_get_evmcs_version hook
in kvm_x86_ops is NULL (we assign it in nested_vmx_hardware_setup() and
this only happens in case nested is enabled).
Check that kvm_x86_ops->nested_get_evmcs_version is not NULL before
calling it. With this, we can remove the stub from svm as it is no
longer needed.
Cc: <stable@vger.kernel.org>
Fixes: e2e871ab2f02 ("x86/kvm/hyper-v: Introduce nested_get_evmcs_version() helper")
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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With global filtering, it becomes possible for users to construct
self-contradictory groups with conflicting filters. Make sure we
cover that when initially validating events.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
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Ensure that a group will actually fit into the available counters.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
- support for Edge Triggered IRQs in ARC IDU intc
- other fixes here and there
* tag 'arc-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
arc: prefer __section from compiler_attributes.h
dt-bindings: IDU-intc: Add support for edge-triggered interrupts
dt-bindings: IDU-intc: Clean up documentation
ARCv2: IDU-intc: Add support for edge-triggered interrupts
ARC: unwind: Mark expected switch fall-throughs
ARC: [plat-hsdk]: allow to switch between AXI DMAC port configurations
ARC: fix typo in setup_dma_ops log message
ARCv2: entry: early return from exception need not clear U & DE bits
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD fix from Lee Jones:
"Identify potentially unused functions in rk808 driver when !PM"
* tag 'mfd-fixes-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
mfd: rk808: Make PM function declaration static
mfd: rk808: Mark pm functions __maybe_unused
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes as usual:
- More coverage of USB-audio descriptor sanity checks
- A fix for mute LED regression on Conexant HD-audio codecs
- A few device-specific fixes and quirks for USB-audio and HD-audio
- A fix for (die-hard remaining) possible race in sequencer core
- FireWire oxfw regression fix that was introduced in 5.3-rc1"
* tag 'sound-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: oxfw: fix to handle correct stream for PCM playback
ALSA: seq: Fix potential concurrent access to the deleted pool
ALSA: usb-audio: Check mixer unit bitmap yet more strictly
ALSA: line6: Fix memory leak at line6_init_pcm() error path
ALSA: usb-audio: Fix invalid NULL check in snd_emuusb_set_samplerate()
ALSA: hda/ca0132 - Add new SBZ quirk
ALSA: usb-audio: Add implicit fb quirk for Behringer UFX1604
ALSA: hda - Fixes inverted Conexant GPIO mic mute led
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For picasso(adev->pdev->device == 0x15d8)&raven2(adev->rev_id >= 0x8),
firmware is sufficient to support gfxoff.
In commit 98f58ada2d37e, for picasso&raven2,
return directly and cause gfxoff disabled.
Fixes: 98f58ada2d37 ("drm/amdgpu/gfx9: update pg_flags after determining if gfx off is possible")
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Needs ATPX rather than _PR3 to really turn off the dGPU. This can save
~5W when dGPU is runtime-suspended.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Correct the settings for auto mode and skip the unnecessary
settings for dcefclk and fclk.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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