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SKB stored in qdisc->gso_skb also counted into backlog.
Some qdiscs don't reset backlog to zero in ->reset(),
for example sfq just dequeue and free all queued skb.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Fixes: 2ccccf5fb43f ("net_sched: update hierarchical backlog too")
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the case where sizeof(maddr) != sizeof(long) p is initialized and
never read and clang throws a warning on this. Move declaration of
p to clean up the clang build warning:
warning: Value stored to 'p' during its initialization is never read
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
"Here are some early Kbuild fixes.
The in-kernel firmware was removed during the previous merge window.
Since then, some bug reports of broken rpm building are flying in ML.
We need to fix it now.
Summary:
- remove firmware install from rpm-pkg / deb-pkg
- fix mismatch between release number and UTS_VERSION for rpm-pkg"
* tag 'kbuild-fixes-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: rpm-pkg: fix version number handling
kbuild: deb-pkg: remove firmware package support
kbuild: rpm-pkg: delete firmware_install to fix build error
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc fixes from Al Viro:
"A couple of regression fixes, one for this merge window, one for the
previous cycle"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
ipc/shm: Fix order of parameters when calling copy_compat_shmid_to_user
iov_iter: fix page_copy_sane for compound pages
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Pull mtd fixes from Boris Brezillon:
"SPI NOR:
- Fix the SFDP parsing code (bugs reported by Geert Uytterhoeven)
NAND:
- Fix a resource leak in the lpc32xx_mlc driver
- Fix a build warning in the core"
* tag 'mtd/fixes-for-4.14-rc2' of git://git.infradead.org/linux-mtd:
mtd: nand: remove unused blockmask variable
mtd: nand: lpc32xx_mlc: Fix an error handling path in lpc32xx_nand_probe()
mtd: spi-nor: fix DMA unsafe buffer issue in spi_nor_read_sfdp()
mtd: spi-nor: Check consistency of the memory size extracted from the SFDP
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"amdkfd, i915 and exynos fixes.
I've ended up on unplanned + planned leave this week, but there were
some fixes I decided to dequeue, some amdkfd bits missed the next pull
but they are pretty trivial, so I included them.
I'm not sure I'll see much else for rc2, lots of people are at XDC"
* tag 'drm-fixes-for-v4.14-rc2' of git://people.freedesktop.org/~airlied/linux:
drm/exynos/hdmi: Fix unsafe list iteration
drm: exynos: include linux/irq.h
drm/exynos: Fix suspend/resume support
drm/exynos: Fix locking in the suspend/resume paths
drm/i915: Remove unused 'in_vbl' from i915_get_crtc_scanoutpos()
drm/i915/cnp: set min brightness from VBT
Revert "drm/i915/bxt: Disable device ready before shutdown command"
drm/i915/bxt: set min brightness from VBT
drm/i915: Fix an error handling in 'intel_framebuffer_init()'
drm/i915/gvt: Fix incorrect PCI BARs reporting
drm/amdkfd: pass queue's mqd when destroying mqd
drm/amdkfd: remove memset before memcpy
uapi linux/kfd_ioctl.h: only use __u32 and __u64
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Pull dma mapping fix from Christoph Hellwig:
"A fix for a fix that went in this merge window from Arnd"
* tag 'dma-mapping-4.14-2' of git://git.infradead.org/users/hch/dma-mapping:
dma-coherent: fix rmem_dma_device_init regression
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Drop the __init from pcibios_map_irq() to make this section mis-
match go away:
WARNING: vmlinux.o(.text+0x56acd4): Section mismatch in reference from the function pcibios_scanbus() to the function .init.text:pcibios_map_irq()
The function pcibios_scanbus() references
the function __init pcibios_map_irq().
This is often because pcibios_scanbus lacks a __init
annotation or the annotation of pcibios_map_irq is wrong.
Run-Tested only on Alchemy.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/17267/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The inline asm in __write_64bit_c0_split() modifies the 64-bit input
operand by shifting the high register left by 32, and constructing the
full 64-bit value in the low register (even on a 32-bit kernel), so if
that value is used again it could cause breakage as GCC would assume the
registers haven't changed when they have.
To quote the GCC extended asm documentation:
> Warning: Do not modify the contents of input-only operands (except for
> inputs tied to outputs). The compiler assumes that on exit from the
> asm statement these operands contain the same values as they had
> before executing the statement.
Avoid modifying the input by using a temporary variable as an output
which is modified instead of the input and not otherwise used. The asm
is always __volatile__ so GCC shouldn't optimise it out. The low
register of the temporary output is written before the high register of
the input is read, so we have two constraint alternatives, one where
both use the same registers (for when the input value isn't subsequently
used), and one with an early clobber on the output in case the low
output uses the same register as the high input. This allows the
resulting assembly to remain mostly unchanged.
A diff of a MIPS32r6 kernel reveals only three differences, two in
relation to write_c0_r10k_diag() in cpu_probe() (register allocation
rearranged slightly but otherwise identical), and one in relation to
write_c0_cvmmemctl2() in kvm_vz_local_flush_guesttlb_all(), but the
octeon CPU is only supported on 64-bit kernels where
__write_64bit_c0_split() isn't used so that shouldn't matter in
practice. So there currently doesn't appear to be anything broken by
this bug.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/17315/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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msp71xx_defconfig can not be built at the in v4.14-rc1
arch/mips/pmcs-msp71xx/msp_smp.c:72:2: error: implicit declaration of function 'set_vi_handler' [-Werror=implicit-function-declaration]
I don't know what caused the regression, but including the right
header is the obvious fix.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/17309/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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For make O=dir run_tests to work, test scripts, test files, and other
dependencies need to be copied over to the object directory. Running
tests from the object directory is necessary to avoid making the source
tree dirty.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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sync test fails to build when object directory is specified to relocate
object files. Fix it to specify the correct path. Fix clean target to
remove objects. Also include simplified logic to use TEST_CUSTOM_PROGS
in build and clean targets instead of hard-coding the test name each
time.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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lib.mk var TEST_CUSTOM_PROGS is for tests that need custom build
rules. TEST_PROGS is used for test shell scripts. Fix it to use
TEST_CUSTOM_PROGS. lib.mk will run and install them.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Some tests such as sync can't use generic build rules in lib.mk and require
custom rules. Currently there is no provision to allow custom builds and
test such as sync use TEST_PROGS which is reserved for test shell scripts.
Add TEST_CUSTOM_PROGS variable to lib.mk to run and install custom tests
built by individual test make files.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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TEST_PROGS should be used for test scripts that don't ned to be built.
Use TEST_GEN_PROGS instead which is intended for test executables.
Remove clean target and let the common clean take care of cleaning.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Fix test executable status check to use full path for make O=dir case,m
when tests are relocated to user specified object directory. Without the
full path, this check fails to find the file and fails the test.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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kselftest target fails when object directory is specified to relocate
objects. Inherited "LDFLAGS = -m" fails the test builds. Clear it.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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kselftest and kselftest-clean targets fail when object directory is
specified to relocate objects. Main Makefile make O= path clears the
built-in defines LINK.c, COMPILE.S, LINK.S, and RM that are used in
lib.mk to build and clean targets. Define them.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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kselftest and kselftest-clean targets fail when object directory is
specified to relocate objects. Fix it so it can find the source tree
to build from.
make O=/tmp/kselftest_top kselftest
make[1]: Entering directory '/tmp/kselftest_top'
make[2]: Entering directory '/tmp/kselftest_top'
make[2]: *** tools/testing/selftests: No such file or directory. Stop.
make[2]: Leaving directory '/tmp/kselftest_top'
./linux-kselftest/Makefile:1185: recipe for target
'kselftest' failed
make[1]: *** [kselftest] Error 2
make[1]: Leaving directory '/tmp/kselftest_top'
Makefile:145: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip updates from Marc Zyngier
- A GICv3 initialisation fix when some CPUs fail to be brought up
- A GICv4 compile fix for GCC 4.5 (!)
- A MIPS-GIC fix for the PCIe support
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This reverts commit 74def747bcd09692bdbf8c6a15350795b0f11ca8.
The change to the helper function is only correct for the /proc/irq/
readout usage, but breaks the existing x86 usage of that function.
Reported-by: Yanko Kaneti <yaneti@declera.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Marc Zyngier <marc.zyngier@arm.com>
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A reference to the parent device node is held by add_dt_node() for the
node to be added. If the call to dlpar_configure_connector() fails
add_dt_node() returns ENOENT and that reference is not freed.
Add a call to of_node_put(parent_dn) prior to bailing out after a
failed dlpar_configure_connector() call.
Fixes: 8d5ff320766f ("powerpc/pseries: Make dlpar_configure_connector parent node aware")
Cc: stable@vger.kernel.org # v3.12+
Signed-off-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Commit 215ee763f8cb ("powerpc: pseries: remove dlpar_attach_node
dependency on full path") reworked dlpar_attach_node() to no longer
look up the parent node "/cpus", but instead to have the parent node
passed by the caller in the function parameter list.
As a result dlpar_attach_node() is no longer responsible for freeing
the reference to the parent node. However, commit 215ee763f8cb failed
to remove the of_node_put(parent) call in dlpar_attach_node(), or to
take into account that the reference to the parent in the caller
dlpar_cpu_add() needs to be held until after dlpar_attach_node()
returns.
As a result doing repeated cpu add/remove dlpar operations will
eventually result in the following error:
OF: ERROR: Bad of_node_put() on /cpus
CPU: 0 PID: 10896 Comm: drmgr Not tainted 4.13.0-autotest #1
Call Trace:
dump_stack+0x15c/0x1f8 (unreliable)
of_node_release+0x1a4/0x1c0
kobject_put+0x1a8/0x310
kobject_del+0xbc/0xf0
__of_detach_node_sysfs+0x144/0x210
of_detach_node+0xf0/0x180
dlpar_detach_node+0xc4/0x120
dlpar_cpu_remove+0x280/0x560
dlpar_cpu_release+0xbc/0x1b0
arch_cpu_release+0x6c/0xb0
cpu_release_store+0xa0/0x100
dev_attr_store+0x68/0xa0
sysfs_kf_write+0xa8/0xf0
kernfs_fop_write+0x2cc/0x400
__vfs_write+0x5c/0x340
vfs_write+0x1a8/0x3d0
SyS_write+0xa8/0x1a0
system_call+0x58/0x6c
Fix the issue by removing the of_node_put(parent) call from
dlpar_attach_node(), and ensuring that the reference to the parent
node is properly held and released by the caller dlpar_cpu_add().
Fixes: 215ee763f8cb ("powerpc: pseries: remove dlpar_attach_node dependency on full path")
Signed-off-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Reported-by: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
[mpe: Add a comment in the code and frob the change log slightly]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Otherwise we end up not yet having computed the right diag data size
on powernv where EEH initialization is delayed, thus causing memory
corruption later on when calling OPAL.
Fixes: 5cb1f8fdddb7 ("powerpc/powernv/pci: Dynamically allocate PHB diag data")
Cc: stable@vger.kernel.org # v4.13+
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Commit 553f770ef71b ("ipc: move compat shmctl to native") moved the
compat IPC syscall handling into ipc/shm.c and refactored the struct
accessors in the process. Unfortunately, the call to
copy_compat_shmid_to_user when handling a compat {IPC,SHM}_STAT command
gets the arguments the wrong way round, passing a kernel stack address
as the user buffer (destination) and the user buffer as the kernel stack
address (source).
This patch fixes the parameter ordering so the buffers are accessed
correctly.
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Issue is that if the data crosses a page boundary inside a compound
page, this check will incorrectly trigger a WARN_ON.
To fix this, compute the order using the head of the compound page and
adjust the offset to be relative to that head.
Fixes: 72e809ed81ed ("iov_iter: sanity checks for copy to/from page
primitives")
Signed-off-by: Petar Penkov <ppenkov@google.com>
CC: Al Viro <viro@zeniv.linux.org.uk>
CC: Eric Dumazet <edumazet@google.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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As long as signing is supported (ie not a guest user connection) and
connection is SMB3 or SMB3.02, then validate negotiate (protect
against man in the middle downgrade attacks). We had been doing this
only when signing was required, not when signing was just enabled,
but this more closely matches recommended SMB3 behavior and is
better security. Suggested by Metze.
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Acked-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
CC: Stable <stable@vger.kernel.org>
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There is a race that cause cifs reconnect in cifs_mount,
- cifs_mount
- cifs_get_tcp_session
- [ start thread cifs_demultiplex_thread
- cifs_read_from_socket: -ECONNABORTED
- DELAY_WORK smb2_reconnect_server ]
- cifs_setup_session
- [ smb2_reconnect_server ]
auth_key.response was allocated in cifs_setup_session, and
will release when the session destoried. So when session re-
connect, auth_key.response should be check and released.
Tested with my system:
CIFS VFS: Free previous auth_key.response = ffff8800320bbf80
A simple auth_key.response allocation call trace:
- cifs_setup_session
- SMB2_sess_setup
- SMB2_sess_auth_rawntlmssp_authenticate
- build_ntlmssp_auth_blob
- setup_ntlmv2_rsp
Signed-off-by: Shu Wang <shuwang@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
CC: Stable <stable@vger.kernel.org>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
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memory leak was found by kmemleak. exit_cifs_spnego
should be called before cifs module removed, or
cifs root_cred will not be released.
kmemleak report:
unreferenced object 0xffff880070a3ce40 (size 192):
backtrace:
kmemleak_alloc+0x4a/0xa0
kmem_cache_alloc+0xc7/0x1d0
prepare_kernel_cred+0x20/0x120
init_cifs_spnego+0x2d/0x170 [cifs]
0xffffffffc07801f3
do_one_initcall+0x51/0x1b0
do_init_module+0x60/0x1fd
load_module+0x161e/0x1b60
SYSC_finit_module+0xa9/0x100
SyS_finit_module+0xe/0x10
Signed-off-by: Shu Wang <shuwang@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
CC: Stable <stable@vger.kernel.org>
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Don't populate the read-only arrays types[] on the stack, instead make
them both static const. Makes the object code smaller by over 200 bytes:
Before:
text data bss dec hex filename
111503 37696 448 149647 2488f fs/cifs/file.o
After:
text data bss dec hex filename
111140 37856 448 149444 247c4 fs/cifs/file.o
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
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Yunsheng Lin says:
====================
TM related bugfixes for the HNS3 Ethernet Driver
This patch set contains a few bugfixes related to hclge_tm module.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current mapping between pri and tc is one to one,
so user can't map multi priorities to the same tc.
This patch changes the mapping to many to one.
Fixes: 848440544b41f ("net: hns3: Add support of TX Scheduler & Shaper to HNS3 driver")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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rss_size is 1, 2, 4, 8, 16, 32, 64, 128, but acutal tc queue
size can be any u16 less than 128. If tc queue size is 5, we
set the rss_size to 8, indirection table will be used to limit
the size of actual queue size.
It may cause dropping of receiving packet in hardware if
rss_size is not set correctly.
For now, each TC has the same rss size.
Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a typo error for feild, which should be field.
Fixes: 848440544b41f ("net: hns3: Add support of TX Scheduler & Shaper to HNS3 driver")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When hdev doesn't support DCB, rx private buffer is not allocated,
otherwise there is not enough buffer for rx shared buffer, causing
buffer allocation process to fail.
This patch fixes by checking the dcb capability in
hclge_rx_buffer_calc.
Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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rx_priv_buf_alloc is used to tell hardware how much buffer is
used for rx direction, right now only the private buffer is
assigned.
For ae_dev that doesn't support DCB, private rx buffer is assigned
to zero, only shared rx buffer is used. So not setting the shared
rx buffer cause dropping of packet in SSU.
Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When rx private buffer is disabled, there may be some case that
the rx private buffer is not set to zero, which may cause buffer
allocation process to fail.
This patch fixes this problem by setting priv->enable to 0 and
priv->buf_size to zero when rx private buffer is disabled.
Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When ae_dev doesn't support DCB, DEFAULT_DV must be set to
a lower value, otherwise the buffer allocation process will
fail.
This patch fix it by setting it to 30K bytes.
Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When ae_dev doesn't support DCB, rx_priv_wl_config,
common_thrd_config and tm_qs_bp_cfg can't be called, otherwise
cmd return fail, which causes the hclge module initialization
process to fail.
This patch fix it by adding a DCB capability flag to check if
the ae_dev support DCB.
Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch add the ROCE supported flag in the driver_data
field of pci_device_id, delete roce_pci_tbl and change
HNAE_DEV_SUPPORT_ROCE_B to HNAE3_DEV_SUPPORT_ROCE_B.
This cleanup is done in order to support adding capability
in pci_device_id and to fix initialization failure when
cmd is not supported.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains two Netfilter fixes for your net tree,
they are:
1) Fix NAt compilation with UP, from Geert Uytterhoeven.
2) Fix incorrect number of entries when dumping a set, from
Vishwanath Pai.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In isdn_ppp_write(), the header (i.e., protobuf) of the buffer is
fetched twice from userspace. The first fetch is used to peek at the
protocol of the message and reset the huptimer if necessary; while the
second fetch copies in the whole buffer. However, given that buf resides
in userspace memory, a user process can race to change its memory content
across fetches. By doing so, we can either avoid resetting the huptimer
for any type of packets (by first setting proto to PPP_LCP and later
change to the actual type) or force resetting the huptimer for LCP
packets.
This patch changes this double-fetch behavior into two single fetches
decided by condition (lp->isdn_device < 0 || lp->isdn_channel <0).
A more detailed discussion can be found at
https://marc.info/?l=linux-kernel&m=150586376926123&w=2
Signed-off-by: Meng Xu <mengxu.gatech@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fec_ptp_check_pps_event will return 1 if FEC_T_TF_MASK caused
an interrupt. Don't return IRQ_NONE in this case.
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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FEC_ENET_TS_TIMER is not checked in the interrupt routine
so there is no need to enable it.
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Before queue 0 was always checked if any queue caused an interrupt.
It is better to just mark queue 0 if queue 0 has caused an interrupt.
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Fugang Duan <Fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since XDP's view of the packet includes the MAC header, moving the start-
of-packet with bpf_xdp_adjust_head needs to also update the offset of the
MAC header (which is relative to skb->head, not to the skb->data that was
changed).
Without this, tcpdump sees packets starting from the old MAC header rather
than the new one, at least in my tests on the loopback device.
Fixes: b5cdae3291f7 ("net: Generic XDP")
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The actual length of cmsg fetched in during the second loop
(i.e., kcmsg - kcmsg_base) could be different from what we
get from the first loop (i.e., kcmlen).
The main reason is that the two get_user() calls in the two
loops (i.e., get_user(ucmlen, &ucmsg->cmsg_len) and
__get_user(ucmlen, &ucmsg->cmsg_len)) could cause ucmlen
to have different values even they fetch from the same userspace
address, as user can race to change the memory content in
&ucmsg->cmsg_len across fetches.
Although in the second loop, the sanity check
if ((char *)kcmsg_base + kcmlen - (char *)kcmsg < CMSG_ALIGN(tmp))
is inplace, it only ensures that the cmsg fetched in during the
second loop does not exceed the length of kcmlen, but not
necessarily equal to kcmlen. But indicated by the assignment
kmsg->msg_controllen = kcmlen, we should enforce that.
This patch adds this additional sanity check and ensures that
what is recorded in kmsg->msg_controllen is the actual cmsg length.
Signed-off-by: Meng Xu <mengxu.gatech@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
- fix suspend/resume issues.
- fix memory corruption detected by kasan.
- fix build error on x86.
* tag 'exynos-drm-fixes-for-v4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos/hdmi: Fix unsafe list iteration
drm: exynos: include linux/irq.h
drm/exynos: Fix suspend/resume support
drm/exynos: Fix locking in the suspend/resume paths
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git://anongit.freedesktop.org/git/drm-intel into drm-fixes
drm/i915 fixes for 4.14-rc1
Couple fixes for stable:
- Fix MIPI panels on BXT.
- Fix PCI BARs information on GVT.
Plus other fixes:
- Fix minimal brightness for BXT, GLK, CFL and CNL.
- Fix compilation warning: unused in_vbl
- Fix error handling in intel_framebuffer_init
* tag 'drm-intel-fixes-2017-09-20' of git://anongit.freedesktop.org/git/drm-intel:
drm/i915: Remove unused 'in_vbl' from i915_get_crtc_scanoutpos()
drm/i915/cnp: set min brightness from VBT
Revert "drm/i915/bxt: Disable device ready before shutdown command"
drm/i915/bxt: set min brightness from VBT
drm/i915: Fix an error handling in 'intel_framebuffer_init()'
drm/i915/gvt: Fix incorrect PCI BARs reporting
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We were not displaying some key fields (session status and capabilities and
whether guest authenticated) for SMB2/SMB3 session in /proc/fs/cifs/DebugData.
This is needed for real world triage of problems with the (now much more
common) SMB3 mounts.
Signed-off-by: Steve French <smfrench@gmail.com>
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