Commit Graph

856960 Commits

Author SHA1 Message Date
Hubert Feurstein
7fb5a71154 net: dsa: mv88e6xxx: drop adjust_link to enabled phylink
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>
2019-08-05 10:55:58 -07:00
David S. Miller
5a0d7dcf85 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.
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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>
2019-08-05 10:50:05 -07:00
Colin Ian King
a9e21bea1f ][next] selftests: nettest: fix spelling mistake: "potocol" -> "protocol"
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>
2019-08-05 10:27:53 -07:00
Johan Hovold
c3953a3c2d NFC: nfcmrvl: fix gpio-handling regression
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>
2019-08-05 10:25:48 -07:00
Nicolas Saenz Julienne
1c703b53e5 HID: input: fix a4tech horizontal wheel custom usage
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>
2019-08-05 14:37:15 +02:00
Sebastian Parschauer
49869d2ea9 HID: Add quirk for HP X1200 PIXART OEM mouse
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>
2019-08-05 14:25:16 +02:00
Oliver Neukum
01ec0a5f19 HID: holtek: test for sanity of intfdata
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>
2019-08-05 14:18:42 +02:00
Aaron Armstrong Skomra
693c3dab4e HID: wacom: fix bit shift for Cintiq Companion 2
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>
2019-08-05 14:13:41 +02:00
István Váradi
7bc74853fd HID: quirks: Set the INCREMENT_USAGE_ON_DUPLICATE quirk on Saitek X52
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>
2019-08-05 14:11:25 +02:00
Hans de Goede
6fb08f1a5f HID: logitech-dj: Really fix return value of logi_dj_recv_query_hidpp_devices
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>
2019-08-05 12:49:28 +02:00
Linus Torvalds
e21a712a96 Linux 5.3-rc3 2019-08-04 18:40:12 -07:00
Linus Torvalds
a6831a89bc tpmdd fixes for Linux v5.3-rc2
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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
2019-08-04 16:39:07 -07:00
Linus Torvalds
62d1716304 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.
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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
2019-08-04 16:37:08 -07:00
Nayna Jain
fa4f99c053 tpm: tpm_ibm_vtpm: Fix unallocated banks
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>
2019-08-05 00:55:00 +03:00
Milan Broz
1e5ac6300a tpm: Fix null pointer dereference on chip register error path
If clk_enable is not defined and chip initialization
is canceled code hits null dereference.

Easily reproducible with vTPM init fail:
  swtpm chardev --tpmstate dir=nonexistent_dir --tpm2 --vtpm-proxy

BUG: kernel NULL pointer dereference, address: 00000000
...
Call Trace:
 tpm_chip_start+0x9d/0xa0 [tpm]
 tpm_chip_register+0x10/0x1a0 [tpm]
 vtpm_proxy_work+0x11/0x30 [tpm_vtpm_proxy]
 process_one_work+0x214/0x5a0
 worker_thread+0x134/0x3e0
 ? process_one_work+0x5a0/0x5a0
 kthread+0xd4/0x100
 ? process_one_work+0x5a0/0x5a0
 ? kthread_park+0x90/0x90
 ret_from_fork+0x19/0x24

Fixes: 719b7d81f2 ("tpm: introduce tpm_chip_start() and tpm_chip_stop()")
Cc: stable@vger.kernel.org # v5.1+
Signed-off-by: Milan Broz <gmazyland@gmail.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
2019-08-05 00:55:00 +03:00
Linus Lüssing
9cb9a17813 batman-adv: BATMAN_V: aggregate OGMv2 packets
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>
2019-08-04 22:22:00 +02:00
Linus Lüssing
f89255a02f batman-adv: BATMAN_V: introduce per hard-iface OGMv2 queues
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>
2019-08-04 22:22:00 +02:00
Linus Torvalds
4b6f23161b powerpc fixes for 5.3 #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.
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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
2019-08-04 10:30:47 -07:00
Geert Uytterhoeven
4c0d228c3b MAINTAINERS: Add Geert as Renesas SoC Co-Maintainer
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>
2019-08-04 10:23:23 -07:00
Linus Torvalds
05e4f88b7d Kbuild fixes for v5.3 (2nd)
- 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
2019-08-04 10:16:30 -07:00
Linus Torvalds
8449c980c3 Add entry in MAINTAINERS file for SafeSetID LSM.
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
2019-08-04 10:02:13 -07:00
Jacob Keller
1fa475fee4 fm10k: fix fm10k_get_fault_pf to read correct address
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>
2019-08-04 04:41:44 -07:00
Jacob Keller
a3ffeaf7c2 fm10k: convert NON_Q_VECTORS(hw) into NON_Q_VECTORS
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>
2019-08-04 04:40:04 -07:00
Jacob Keller
d5c2f39500 fm10k: mark unused parameters with __always_unused
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>
2019-08-04 04:36:49 -07:00
Jacob Keller
27429be75e fm10k: cast page_addr to u8 * when incrementing it
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>
2019-08-04 04:34:22 -07:00
Jacob Keller
9aac0fbd47 fm10k: explicitly return 0 on success path in function
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>
2019-08-04 04:32:47 -07:00
Jacob Keller
cb1b5226cb fm10k: remove needless initialization of size local variable
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>
2019-08-04 04:31:03 -07:00
Jacob Keller
4d12002fd2 fm10k: remove needless assignment of err local variable
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>
2019-08-04 04:29:04 -07:00
Jacob Keller
d9ecd1f748 fm10k: remove unnecessary variable initializer
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>
2019-08-04 04:20:42 -07:00
M. Vefa Bicakci
0c5b6c28ed kconfig: Clear "written" flag to avoid data loss
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>
2019-08-04 12:44:15 +09:00
Linus Torvalds
d8778f13b7 Xtensa fixes for v5.3:
- 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
2019-08-03 18:50:52 -07:00
Linus Torvalds
cf6c8aef16 Merge branch 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
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
2019-08-03 12:56:34 -07:00
Josh Poimboeuf
4c92057661 Documentation: Add swapgs description to the Spectre v1 documentation
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>
2019-08-03 21:21:54 +02:00
Qian Cai
5e5412c365 net/socket: fix GCC8+ Wpacked-not-aligned warnings
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>
2019-08-03 11:02:46 -07:00
Linus Torvalds
8b7fd67942 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
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
2019-08-03 10:58:46 -07:00
Linus Torvalds
0432a0a066 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
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
2019-08-03 10:51:29 -07:00
Linus Torvalds
af42e7450f Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
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
2019-08-03 10:49:45 -07:00
Linus Torvalds
e12b243de7 Merge tag 'xfs-5.3-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
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
2019-08-03 10:43:44 -07:00
David S. Miller
9e8fb25254 Merge branch 'net-l3-l4-functional-tests'
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>
2019-08-03 10:42:05 -07:00
David Ahern
56eba15d1c selftests: Add use case section to fcnal-test
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>
2019-08-03 10:42:05 -07:00
David Ahern
db6641ee6e selftests: Add ipv6 netfilter tests to fcnal-test
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>
2019-08-03 10:42:05 -07:00
David Ahern
88f2b36053 selftests: Add ipv4 netfilter tests to fcnal-test
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>
2019-08-03 10:42:04 -07:00
David Ahern
4cd12f61b5 selftests: Add ipv6 runtime tests to fcnal-test
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>
2019-08-03 10:42:04 -07:00
David Ahern
0113f72685 selftests: Add ipv4 runtime tests to fcnal-test
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>
2019-08-03 10:42:04 -07:00
David Ahern
34d0302ab8 selftests: Add ipv6 address bind tests to fcnal-test
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>
2019-08-03 10:42:04 -07:00
David Ahern
75b2b2b3db selftests: Add ipv4 address bind tests to fcnal-test
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>
2019-08-03 10:42:04 -07:00
David Ahern
6abdb65125 selftests: Add ipv6 udp tests to fcnal-test
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>
2019-08-03 10:42:04 -07:00
David Ahern
a4368be9ad selftests: Add ipv4 udp tests to fcnal-test
Add 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>
2019-08-03 10:42:04 -07:00
David Ahern
a071bbf205 selftests: Add ipv6 tcp tests to fcnal-test
Add IPv6 tcp 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.tcp_l3mdev_accept set to 0 and 1.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03 10:42:04 -07:00
David Ahern
bbd7c76408 selftests: Add ipv4 tcp tests to fcnal-test
Add tcp 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.tcp_l3mdev_accept set to 0 and 1.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03 10:42:04 -07:00