Change BPF selftest test_xdp_vlan.sh to (default) use generic XDP.
This selftest was created together with a fix for generic XDP, in commit
2972495699 ("net: fix generic XDP to handle if eth header was
mangled"). And was suppose to catch if generic XDP was broken again.
The tests are using veth and assumed that veth driver didn't support
native driver XDP, thus it used the (ip link set) 'xdp' attach that fell
back to generic-XDP. But veth gained native-XDP support in 948d4f214f
("veth: Add driver XDP"), which caused this test script to use
native-XDP.
Fixes: 948d4f214f ("veth: Add driver XDP")
Fixes: 97396ff0bc ("selftests/bpf: add XDP selftests for modifying and popping VLAN headers")
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The commit 069d11465a ("net/mlx5e: RX, Enhance legacy Receive Queue
memory scheme") introduced an undefined behaviour below due to
"frag->last_in_page" is only initialized in mlx5e_init_frags_partition()
when,
if (next_frag.offset + frag_info[f].frag_stride > PAGE_SIZE)
or after bailed out the loop,
for (i = 0; i < mlx5_wq_cyc_get_size(&rq->wqe.wq); i++)
As the result, there could be some "frag" have uninitialized
value of "last_in_page".
Later, get_frag() obtains those "frag" and check "frag->last_in_page" in
mlx5e_put_rx_frag() and triggers the error during boot. Fix it by always
initializing "frag->last_in_page" to "false" in
mlx5e_init_frags_partition().
UBSAN: Undefined behaviour in
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c:325:12
load of value 170 is not a valid value for type 'bool' (aka '_Bool')
Call trace:
dump_backtrace+0x0/0x264
show_stack+0x20/0x2c
dump_stack+0xb0/0x104
__ubsan_handle_load_invalid_value+0x104/0x128
mlx5e_handle_rx_cqe+0x8e8/0x12cc [mlx5_core]
mlx5e_poll_rx_cq+0xca8/0x1a94 [mlx5_core]
mlx5e_napi_poll+0x17c/0xa30 [mlx5_core]
net_rx_action+0x248/0x940
__do_softirq+0x350/0x7b8
irq_exit+0x200/0x26c
__handle_domain_irq+0xc8/0x128
gic_handle_irq+0x138/0x228
el1_irq+0xb8/0x140
arch_cpu_idle+0x1a4/0x348
do_idle+0x114/0x1b0
cpu_startup_entry+0x24/0x28
rest_init+0x1ac/0x1dc
arch_call_rest_init+0x10/0x18
start_kernel+0x4d4/0x57c
Fixes: 069d11465a ("net/mlx5e: RX, Enhance legacy Receive Queue memory scheme")
Signed-off-by: Qian Cai <cai@lca.pw>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently init call of all actions (except ipt) init their 'parm'
structure as a direct pointer to nla data in skb. This leads to race
condition when some of the filter actions were initialized successfully
(and were assigned with idr action index that was written directly
into nla data), but then were deleted and retried (due to following
action module missing or classifier-initiated retry), in which case
action init code tries to insert action to idr with index that was
assigned on previous iteration. During retry the index can be reused
by another action that was inserted concurrently, which causes
unintended action sharing between filters.
To fix described race condition, save action idr index to temporary
stack-allocated variable instead on nla data.
Fixes: 0190c1d452 ("net: sched: atomically check-allocate action")
Signed-off-by: Dmytro Linkin <dmitrolin@mellanox.com>
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We have to drop the adjust_link callback in order to finally migrate to
phylink.
Otherwise we get the following warning during startup:
"mv88e6xxx 2188000.ethernet-1:10: Using legacy PHYLIB callbacks. Please
migrate to PHYLINK!"
The warning is generated in the function dsa_port_link_register_of in
dsa/port.c:
int dsa_port_link_register_of(struct dsa_port *dp)
{
struct dsa_switch *ds = dp->ds;
if (!ds->ops->adjust_link)
return dsa_port_phylink_register(dp);
dev_warn(ds->dev,
"Using legacy PHYLIB callbacks. Please migrate to PHYLINK!\n");
[...]
}
Signed-off-by: Hubert Feurstein <h.feurstein@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Misc updates for mlx5 netdev driver:
1) Ingress rate support for E-Switch vports from Eli.
2) Gavi introduces flow counters bulk allocation and pool,
To improve the performance of flow counter acquisition.
3) From Tariq, micro improvements for tx path
4) From Shay, small improvement for XDP TX MPWQE inline flow.
5) Aya provides some cleanups for tx devlink health reporters.
6) Saeed, refactor checksum handling into a single function.
7) Tonghao, allows dropping specific tunnel packets.
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Merge tag 'mlx5-updates-2019-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2019-08-01
Misc updates for mlx5 netdev driver:
1) Ingress rate support for E-Switch vports from Eli.
2) Gavi introduces flow counters bulk allocation and pool,
To improve the performance of flow counter acquisition.
3) From Tariq, micro improvements for tx path
4) From Shay, small improvement for XDP TX MPWQE inline flow.
5) Aya provides some cleanups for tx devlink health reporters.
6) Saeed, refactor checksum handling into a single function.
7) Tonghao, allows dropping specific tunnel packets.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
There is a spelling mistake in an error messgae. Fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix two reset-gpio sanity checks which were never converted to use
gpio_is_valid(), and make sure to use -EINVAL to indicate a missing
reset line also for the UART-driver module parameter and for the USB
driver.
This specifically prevents the UART and USB drivers from incidentally
trying to request and use gpio 0, and also avoids triggering a WARN() in
gpio_to_desc() during probe when no valid reset line has been specified.
Fixes: e33a3f84f8 ("NFC: nfcmrvl: allow gpio 0 for reset signalling")
Reported-by: syzbot+cf35b76f35e068a1107f@syzkaller.appspotmail.com
Tested-by: syzbot+cf35b76f35e068a1107f@syzkaller.appspotmail.com
Signed-off-by: Johan Hovold <johan@kernel.org>
Some a4tech mice use the 'GenericDesktop.00b8' usage to inform whether
the previous wheel report was horizontal or vertical. Before
c01908a14b ("HID: input: add mapping for "Toggle Display" key") this
usage was being mapped to 'Relative.Misc'. After the patch it's simply
ignored (usage->type == 0 & usage->code == 0). Which ultimately makes
hid-a4tech ignore the WHEEL/HWHEEL selection event, as it has no
usage->type.
We shouldn't rely on a mapping for that usage as it's nonstandard and
doesn't really map to an input event. So we bypass the mapping and make
sure the custom event handling properly handles both reports.
Fixes: c01908a14b ("HID: input: add mapping for "Toggle Display" key")
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The PixArt OEM mice are known for disconnecting every minute in
runlevel 1 or 3 if they are not always polled. So add quirk
ALWAYS_POLL for this one as well.
Jonathan Teh (@jonathan-teh) reported and tested the quirk.
Reference: https://github.com/sriemer/fix-linux-mouse/issues/15
Signed-off-by: Sebastian Parschauer <s.parschauer@gmx.de>
CC: stable@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The ioctl handler uses the intfdata of a second interface,
which may not be present in a broken or malicious device, hence
the intfdata needs to be checked for NULL.
[jkosina@suse.cz: fix newly added spurious space]
Reported-by: syzbot+965152643a75a56737be@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The bit indicating BTN_6 on this device is overshifted
by 2 bits, resulting in the incorrect button being
reported.
Also fix copy-paste mistake in comments.
Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Link: https://github.com/linuxwacom/xf86-input-wacom/issues/71
Fixes: c7f0522a1a ("HID: wacom: Slim down wacom_intuos_pad processing")
Cc: <stable@vger.kernel.org> # v4.5+
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The Saitek X52 joystick has a pair of axes that are originally
(by the Windows driver) used as mouse pointer controls. The corresponding
usage->hid values are 0x50024 and 0x50026. Thus they are handled
as unknown axes and both get mapped to ABS_MISC. The quirk makes
the second axis to be mapped to ABS_MISC1 and thus made available
separately.
[jkosina@suse.cz: squashed two patches into one]
Signed-off-by: István Váradi <ivaradi@varadiistvan.hu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Commit dbcbabf7da ("HID: logitech-dj: fix return value of
logi_dj_recv_query_hidpp_devices") made logi_dj_recv_query_hidpp_devices
return the return value of hid_hw_raw_request instead of unconditionally
returning 0.
But hid_hw_raw_request returns the report-size on a successful request
(and a negative error-code on failure) where as the callers of
logi_dj_recv_query_hidpp_devices expect a 0 return on success.
This commit fixes things so that either the negative error gets returned
or 0 on success, fixing HID++ receivers such as the Logitech nano receivers
no longer working.
Cc: YueHaibing <yuehaibing@huawei.com>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: dbcbabf7da ("HID: logitech-dj: fix return value of logi_dj_recv_query_hidpp_devices")
Reported-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reported-by: Rafael J. Wysocki <rjw@rjwysocki.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Rafael J. Wysocki <rjw@rjwysocki.net>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
Tested-by: Petr Vorel <pvorel@suse.cz>
Reviewed-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Merge tag 'tpmdd-next-20190805' of git://git.infradead.org/users/jjs/linux-tpmdd
Pull tpm fixes from Jarkko Sakkinen:
"Two bug fixes that did not make into my first pull request"
* tag 'tpmdd-next-20190805' of git://git.infradead.org/users/jjs/linux-tpmdd:
tpm: tpm_ibm_vtpm: Fix unallocated banks
tpm: Fix null pointer dereference on chip register error path
- Fix Micron driver as some chips enable internal ECC correction
during their discovery while they advertize they do not have any.
Hyperbus:
- Restrict the build to only ARM64 SoCs (and compile testing) which is
what should have been done since the beginning.
- Fix Kconfig issue by selection something instead of implying it.
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Merge tag 'mtd/fixes-for-5.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD fixes from Miquel Raynal:
"NAND:
- Fix Micron driver as some chips enable internal ECC correction
during their discovery while they advertize they do not have any.
Hyperbus:
- Restrict the build to only ARM64 SoCs (and compile testing) which
is what should have been done since the beginning.
- Fix Kconfig issue by selection something instead of implying it"
* tag 'mtd/fixes-for-5.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: hyperbus: Add hardware dependency to AM654 driver
mtd: hyperbus: Kconfig: Fix HBMC_AM654 dependencies
mtd: rawnand: micron: handle on-die "ECC-off" devices correctly
The nr_allocated_banks and allocated banks are initialized as part of
tpm_chip_register. Currently, this is done as part of auto startup
function. However, some drivers, like the ibm vtpm driver, do not run
auto startup during initialization. This results in uninitialized memory
issue and causes a kernel panic during boot.
This patch moves the pcr allocation outside the auto startup function
into tpm_chip_register. This ensures that allocated banks are initialized
in any case.
Fixes: 879b589210 ("tpm: retrieve digest size of unknown algorithms with PCR read")
Reported-by: Michal Suchanek <msuchanek@suse.de>
Signed-off-by: Nayna Jain <nayna@linux.ibm.com>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Tested-by: Sachin Sant <sachinp@linux.vnet.ibm.com>
Tested-by: Michal Suchánek <msuchanek@suse.de>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Instead of transmitting individual OGMv2 packets from the aggregation
queue merge those OGMv2 packets into a single one and transmit this
aggregate instead.
This reduces overhead as it saves an ethernet header and a transmission
per aggregated OGMv2 packet.
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
In preparation for the OGMv2 packet aggregation, hold OGMv2 packets for
up to BATADV_MAX_AGGREGATION_MS milliseconds (100ms) on per
hard-interface queues, before transmitting.
This allows us to later squash multiple OGMs into a single frame
and transmission for reduced overhead.
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Wire up the new clone3 syscall.
A fix for the PAPR SCM nvdimm driver, to fix a crash when firmware gives us a
device that's attached to a non-online NUMA node.
A fix for a boot failure on 32-bit with KASAN enabled.
Three fixes for implicit fall through warnings, some of which are errors for us
due to -Werror.
Thanks to:
Aneesh Kumar K.V, Christophe Leroy, Kees Cook, Santosh Sivaraj, Stephen
Rothwell.
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Merge tag 'powerpc-5.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Some more powerpc fixes for 5.3:
- Wire up the new clone3 syscall.
- A fix for the PAPR SCM nvdimm driver, to fix a crash when firmware
gives us a device that's attached to a non-online NUMA node.
- A fix for a boot failure on 32-bit with KASAN enabled.
- Three fixes for implicit fall through warnings, some of which are
errors for us due to -Werror.
Thanks to: Aneesh Kumar K.V, Christophe Leroy, Kees Cook, Santosh
Sivaraj, Stephen Rothwell"
* tag 'powerpc-5.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/kasan: fix early boot failure on PPC32
drivers/macintosh/smu.c: Mark expected switch fall-through
powerpc/spe: Mark expected switch fall-throughs
powerpc/nvdimm: Pick nearby online node if the device node is not online
powerpc/kvm: Fall through switch case explicitly
powerpc: Wire up clone3 syscall
At the end of the v5.3 upstream kernel development cycle, Simon will be
stepping down from his role as Renesas SoC maintainer. Starting with
the v5.4 development cycle, Geert is taking over this role.
Add Geert as a co-maintainer, and add his git repository and branch.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- detect missing missing "WITH Linux-syscall-note" for uapi headers
- fix needless rebuild when using Clang
- fix false-positive cc-option in Kconfig when using Clang
- avoid including corrupted .*.cmd files in the modpost stage
- fix warning of 'make vmlinux'
- fix {m,n,x,g}config to not generate the broken .config on the second
save operation.
- some trivial Makefile fixes
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Merge tag 'kbuild-fixes-v5.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- detect missing missing "WITH Linux-syscall-note" for uapi headers
- fix needless rebuild when using Clang
- fix false-positive cc-option in Kconfig when using Clang
- avoid including corrupted .*.cmd files in the modpost stage
- fix warning of 'make vmlinux'
- fix {m,n,x,g}config to not generate the broken .config on the second
save operation.
- some trivial Makefile fixes
* tag 'kbuild-fixes-v5.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kconfig: Clear "written" flag to avoid data loss
kbuild: Check for unknown options with cc-option usage in Kconfig and clang
lib/raid6: fix unnecessary rebuild of vpermxor*.c
kbuild: modpost: do not parse unnecessary rules for vmlinux modpost
kbuild: modpost: remove unnecessary dependency for __modpost
kbuild: modpost: handle KBUILD_EXTRA_SYMBOLS only for external modules
kbuild: modpost: include .*.cmd files only when targets exist
kbuild: initialize CLANG_FLAGS correctly in the top Makefile
kbuild: detect missing "WITH Linux-syscall-note" for uapi headers
Has not had any bake time or testing, since its just changes to a text file.
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Merge tag 'safesetid-maintainers-correction-5.3-rc2' of git://github.com/micah-morton/linux
Pull SafeSetID maintainer update from Micah Morton:
"Add entry in MAINTAINERS file for SafeSetID LSM"
* tag 'safesetid-maintainers-correction-5.3-rc2' of git://github.com/micah-morton/linux:
Add entry in MAINTAINERS file for SafeSetID LSM
Fix assignment of the FM10K_FAULT_ADDR_LO register into fault->address
by using a bit-wise |= operation. Without this, the low address is
completely overwriting the high potion of the address. This caused the
fault to incorrectly return only the lower 32 bits of the fault address.
This issue was detected by cppcheck and resolves the following warnings
produced by that tool:
[fm10k_pf.c:1668] -> [fm10k_pf.c:1670]: (style) Variable
'fault->address' is reassigned a value before the old one has been used.
[fm10k_pf.c:1669] -> [fm10k_pf.c:1670]: (style) Variable
'fault->address' is reassigned a value before the old one has been used.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The driver currently uses a macro to decide whether we should use
NON_Q_VECTORS_PF or NON_Q_VECTORS_VF.
However, we also define NON_Q_VECTORS_VF to the same value as
NON_Q_VECTORS_PF. This means that the macro NON_Q_VECTORS(hw) will
always return the same value.
Let's just remove this macro, and replace it directly with an enum value
on the enum non_q_vectors.
This was detected by cppcheck and fixes the following warnings when
building with BUILD=KERNEL
[fm10k_ethtool.c:1123]: (style) Same value in both branches of ternary
operator.
[fm10k_ethtool.c:1142]: (style) Same value in both branches of ternary
operator.
[fm10k_main.c:1826]: (style) Same value in both branches of ternary
operator.
[fm10k_main.c:1849]: (style) Same value in both branches of ternary
operator.
[fm10k_main.c:1858]: (style) Same value in both branches of ternary
operator.
[fm10k_pci.c:901]: (style) Same value in both branches of ternary
operator.
[fm10k_pci.c:1040]: (style) Same value in both branches of ternary
operator.
[fm10k_pci.c:1726]: (style) Same value in both branches of ternary
operator.
[fm10k_pci.c:1763]: (style) Same value in both branches of ternary
operator.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Several functions in the fm10k driver have specific function templates,
as they are used as function pointers. The parameters in these functions
are not always used. Explicitly mark unused parameters with the
__always_unused macro, so that the compiler will not warn about them
when building with the -Wunused-parameter warning enabled.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The page_addr variable is a void pointer. Incrementing it before calling
prefetch is technically undefined. Fix this by casting it to a u8*
pointer before incrementing it. This ensures that we increment the
pointer value in byte units, instead of relying on this undefined
behavior.
This was detected by cppcheck, and resolves the following warning
produced by that tool:
[fm10k_main.c:328]: (portability) 'page_addr' is of type 'void *'. When
using void pointers in calculations, the behaviour is undefined.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
In the fm10k_handle_resume function, return 0 explicitly at the end of
the function instead of returning the err value.
This was detected by cppcheck and resolves the following style warning
produced by that tool:
[fm10k_pci.c:2768] -> [fm10k_pci.c:2787]: (warning) Identical condition
'err', second condition is always false
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The local variable 'size' in fm10k_dfwd_add_station is initialized, but
is always re-assigned immediately before use. Remove this unnecessary
initialization.
This was detected by cppcheck and resolves the following warning
produced by that tool:
[fm10k_netdev.c:1466]: (style) Variable 'size' is assigned a value that is never used.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The local variable err in several functions in the fm10k_netdev.c file
is initialized with a value that is never used. The err value is
immediately re-assigned in all cases where it will be checked. Remove
the unnecessary initializers.
This was detected by cppcheck and resolves the following warnings
produced by that tool:
[fm10k_netdev.c:999] -> [fm10k_netdev.c:1004]: (style) Variable 'err' is
reassigned a value before the old one has been used.
[fm10k_netdev.c:1019] -> [fm10k_netdev.c:1024]: (style) Variable 'err'
is reassigned a value before the old one has been used.
[fm10k_netdev.c:64]: (style) Variable 'err' is assigned a value that is
never used.
[fm10k_netdev.c:131]: (style) Variable 'err' is assigned a value that
is never used.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The err variable in the fm10k_tlv_attr_parse function is initialized
with zero. However, the function never reads err without first assigning
it from a function call. Remove this unnecessary initialization.
This was detected by cppcheck and resolves the following warning
produced by that tool:
[fm10k_tlv.c:498]: (style) Variable 'err' is assigned a value that is
never used.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Prior to this commit, starting nconfig, xconfig or gconfig, and saving
the .config file more than once caused data loss, where a .config file
that contained only comments would be written to disk starting from the
second save operation.
This bug manifests itself because the SYMBOL_WRITTEN flag is never
cleared after the first call to conf_write, and subsequent calls to
conf_write then skip all of the configuration symbols due to the
SYMBOL_WRITTEN flag being set.
This commit resolves this issue by clearing the SYMBOL_WRITTEN flag
from all symbols before conf_write returns.
Fixes: 8e2442a5f8 ("kconfig: fix missing choice values in auto.conf")
Cc: linux-stable <stable@vger.kernel.org> # 4.19+
Signed-off-by: M. Vefa Bicakci <m.v.b@runbox.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
- fix build for xtensa cores with coprocessors that was broken by
entry/return abstraction patch.
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Merge tag 'xtensa-20190803' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa fix from Max Filippov:
"Fix build for xtensa cores with coprocessors that was broken by
entry/return abstraction patch"
* tag 'xtensa-20190803' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: fix build for cores with coprocessors
Pull i2c fixes from Wolfram Sang:
"A set of driver fixes for the I2C subsystem"
* 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: s3c2410: Mark expected switch fall-through
i2c: at91: fix clk_offset for sama5d2
i2c: at91: disable TXRDY interrupt after sending data
i2c: iproc: Fix i2c master read more than 63 bytes
eeprom: at24: make spd world-readable again
Add documentation to the Spectre document about the new swapgs variant of
Spectre v1.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
There are a lot of those warnings with GCC8+ 64-bit,
In file included from ./include/linux/sctp.h:42,
from net/core/skbuff.c:47:
./include/uapi/linux/sctp.h:395:1: warning: alignment 4 of 'struct
sctp_paddr_change' is less than 8 [-Wpacked-not-aligned]
} __attribute__((packed, aligned(4)));
^
./include/uapi/linux/sctp.h:728:1: warning: alignment 4 of 'struct
sctp_setpeerprim' is less than 8 [-Wpacked-not-aligned]
} __attribute__((packed, aligned(4)));
^
./include/uapi/linux/sctp.h:727:26: warning: 'sspp_addr' offset 4 in
'struct sctp_setpeerprim' isn't aligned to 8 [-Wpacked-not-aligned]
struct sockaddr_storage sspp_addr;
^~~~~~~~~
./include/uapi/linux/sctp.h:741:1: warning: alignment 4 of 'struct
sctp_prim' is less than 8 [-Wpacked-not-aligned]
} __attribute__((packed, aligned(4)));
^
./include/uapi/linux/sctp.h:740:26: warning: 'ssp_addr' offset 4 in
'struct sctp_prim' isn't aligned to 8 [-Wpacked-not-aligned]
struct sockaddr_storage ssp_addr;
^~~~~~~~
./include/uapi/linux/sctp.h:792:1: warning: alignment 4 of 'struct
sctp_paddrparams' is less than 8 [-Wpacked-not-aligned]
} __attribute__((packed, aligned(4)));
^
./include/uapi/linux/sctp.h:784:26: warning: 'spp_address' offset 4 in
'struct sctp_paddrparams' isn't aligned to 8 [-Wpacked-not-aligned]
struct sockaddr_storage spp_address;
^~~~~~~~~~~
./include/uapi/linux/sctp.h:905:1: warning: alignment 4 of 'struct
sctp_paddrinfo' is less than 8 [-Wpacked-not-aligned]
} __attribute__((packed, aligned(4)));
^
./include/uapi/linux/sctp.h:899:26: warning: 'spinfo_address' offset 4
in 'struct sctp_paddrinfo' isn't aligned to 8 [-Wpacked-not-aligned]
struct sockaddr_storage spinfo_address;
^~~~~~~~~~~~~~
This is because the commit 20c9c825b1 ("[SCTP] Fix SCTP socket options
to work with 32-bit apps on 64-bit kernels.") added "packed, aligned(4)"
GCC attributes to some structures but one of the members, i.e, "struct
sockaddr_storage" in those structures has the attribute,
"aligned(__alignof__ (struct sockaddr *)" which is 8-byte on 64-bit
systems, so the commit overwrites the designed alignments for
"sockaddr_storage".
To fix this, "struct sockaddr_storage" needs to be aligned to 4-byte as
it is only used in those packed sctp structure which is part of UAPI,
and "struct __kernel_sockaddr_storage" is used in some other
places of UAPI that need not to change alignments in order to not
breaking userspace.
Use an implicit alignment for "struct __kernel_sockaddr_storage" so it
can keep the same alignments as a member in both packed and un-packed
structures without breaking UAPI.
Suggested-by: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Qian Cai <cai@lca.pw>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull perf tooling fixes from Thomas Gleixner:
"A set of updates for perf tools and documentation:
perf header:
- Prevent a division by zero
- Deal with an uninitialized warning proper
libbpf:
- Fix the missiong __WORDSIZE definition for musl & al
UAPI headers:
- Synchronize kernel headers
Documentation:
- Fix the memory units for perf.data size"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
libbpf: fix missing __WORDSIZE definition
perf tools: Fix perf.data documentation units for memory size
perf header: Fix use of unitialized value warning
perf header: Fix divide by zero error if f_header.attr_size==0
tools headers UAPI: Sync if_link.h with the kernel
tools headers UAPI: Sync sched.h with the kernel
tools headers UAPI: Sync usbdevice_fs.h with the kernels to get new ioctl
tools perf beauty: Fix usbdevfs_ioctl table generator to handle _IOC()
tools headers UAPI: Update tools's copy of drm.h headers
tools headers UAPI: Update tools's copy of mman.h headers
tools headers UAPI: Update tools's copy of kvm.h headers
tools include UAPI: Sync x86's syscalls_64.tbl and generic unistd.h to pick up clone3 and pidfd_open
Pull vdso timer fixes from Thomas Gleixner:
"A series of commits to deal with the regression caused by the generic
VDSO implementation.
The usage of clock_gettime64() for 32bit compat fallback syscalls
caused seccomp filters to kill innocent processes because they only
allow clock_gettime().
Handle the compat syscalls with clock_gettime() as before, which is
not a functional problem for the VDSO as the legacy compat application
interface is not y2038 safe anyway. It's just extra fallback code
which needs to be implemented on every architecture.
It's opt in for now so that it does not break the compile of already
converted architectures in linux-next. Once these are fixed, the
#ifdeffery goes away.
So much for trying to be smart and reuse code..."
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
arm64: compat: vdso: Use legacy syscalls as fallback
x86/vdso/32: Use 32bit syscall fallback
lib/vdso/32: Provide legacy syscall fallbacks
lib/vdso: Move fallback invocation to the callers
lib/vdso/32: Remove inconsistent NULL pointer checks
Pull irq fixes from Thomas Gleixner:
"A small bunch of fixes from the irqchip department:
- Fix a couple of UAF on error paths (RZA1, GICv3 ITS)
- Fix iMX GPCv2 trigger setting
- Add missing of_node_put() on error path in MBIGEN
- Add another bunch of /* fall-through */ to silence warnings"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/renesas-rza1: Fix an use-after-free in rza1_irqc_probe()
irqchip/irq-imx-gpcv2: Forward irq type to parent
irqchip/irq-mbigen: Add of_node_put() before return
irqchip/gic-v3-its: Free unused vpt_page when alloc vpe table fail
irqchip/gic-v3: Mark expected switch fall-through
Pull xfs fixes from Darrick Wong:
- Avoid leaking kernel stack contents to userspace
- Fix a potential null pointer dereference in the dabtree scrub code
* tag 'xfs-5.3-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: Fix possible null-pointer dereferences in xchk_da_btree_block_check_sibling()
xfs: fix stack contents leakage in the v1 inumber ioctls
David Ahern says:
====================
net: Add functional tests for L3 and L4
This is a port the functional test cases created during the development
of the VRF feature. It covers various permutations of icmp, tcp and udp
for IPv4 and IPv6 including negative tests.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add use case section to fcnal-test.
Initial test is VRF based with a bridge and vlans. The commands
stem from bug reports fixed by:
a173f066c7 ("netfilter: bridge: Don't sabotage nf_hook calls from an l3mdev")
cd6428988b ("netfilter: bridge: Don't sabotage nf_hook calls for an l3mdev slave")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add IPv6 netfilter tests to send tcp reset or icmp unreachable for a
port. Initial tests are VRF only.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add netfilter tests to send tcp reset or icmp unreachable for a port.
Initial tests are VRF only.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add IPv6 runtime tests where passive (no traffic flowing) and active
(with traffic) sockets are expected to be reset on device deletes.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add runtime tests where passive (no traffic flowing) and active (with
traffic) sockets are expected to be reset on device deletes.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add IPv6 address bind tests to fcnal-test.sh. Verifies socket binding to
local addresses for raw, tcp and udp including device and VRF cases.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add address bind tests to fcnal-test.sh. Verifies socket binding to
local addresses for raw, tcp and udp including device and VRF cases.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add IPv6 udp tests to fcnal-test.sh. Covers the permutations of directly
connected addresses, routed destinations, VRF and non-VRF, and expected
failures for both clients and servers. Includes permutations with
net.ipv4.udp_l3mdev_accept set to 0 and 1.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
