This reverts commit 11a6fc3dc7.
UBIFS wants to assert that xattr operations are only issued on files
with positive link count. The said patch made this operations return
-ENOENT for unlinked files such that the asserts will no longer trigger.
This was wrong since xattr operations are perfectly fine on unlinked
files.
Instead the assertions need to be fixed/removed.
Cc: <stable@vger.kernel.org>
Fixes: 11a6fc3dc7 ("ubifs: xattr: Don't operate on deleted inodes")
Reported-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
Tested-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Richard Weinberger <richard@nod.at>
The following sequence triggers
ubifs_assert(c, c->lst.taken_empty_lebs > 0);
at the end of ubifs_remount_fs():
mount -t ubifs /dev/ubi0_0 /mnt
echo 1 > /sys/kernel/debug/ubifs/ubi0_0/ro_error
umount /mnt
mount -t ubifs -o ro /dev/ubix_y /mnt
mount -o remount,ro /mnt
The resulting
UBIFS assert failed in ubifs_remount_fs at 1878 (pid 161)
is a false positive. In the case above c->lst.taken_empty_lebs has
never been changed from its initial zero value. This will only happen
when the deferred recovery is done.
Fix this by doing the assertion only when recovery has been done
already.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
The requested device name can be NULL or an empty string.
Check for that and refuse to continue. UBIFS has to do this manually
since we cannot use mount_bdev(), which checks for this condition.
Fixes: 1e51764a3c ("UBIFS: add new flash file system")
Reported-by: syzbot+38bd0f7865e5c6379280@syzkaller.appspotmail.com
Signed-off-by: Richard Weinberger <richard@nod.at>
The naked attribute is supported by at least gcc >= 4.6 (for ARM,
which is the only current user), gcc >= 8 (for x86), clang >= 3.1
and icc >= 13. See https://godbolt.org/z/350Dyc
Therefore, move it out of compiler-gcc.h so that the definition
is shared by all compilers.
This also fixes Clang support for ARM32 --- 815f0ddb34
("include/linux/compiler*.h: make compiler-*.h mutually exclusive").
Fixes: 815f0ddb34 ("include/linux/compiler*.h: make compiler-*.h mutually exclusive")
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Eli Friedman <efriedma@codeaurora.org>
Cc: Christopher Li <sparse@chrisli.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Joe Perches <joe@perches.com>
Cc: Dominique Martinet <asmadeus@codewreck.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-sparse@vger.kernel.org
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 9c695203a7 ("compiler-gcc.h: gcc-4.5 needs noclone
and noinline on __naked functions") added noinline and noclone
as a workaround for a gcc 4.5 bug, which was resolved in 4.6.0.
Since now the minimum gcc supported version is 4.6,
we can clean it up.
See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44290
and https://godbolt.org/z/h6NMIL
Fixes: 815f0ddb34 ("include/linux/compiler*.h: make compiler-*.h mutually exclusive")
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Eli Friedman <efriedma@codeaurora.org>
Cc: Christopher Li <sparse@chrisli.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Joe Perches <joe@perches.com>
Cc: Dominique Martinet <asmadeus@codewreck.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-sparse@vger.kernel.org
Tested-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
driver
- Make sure of_node_get/put() calls are balanced in the partition
parsing code
- Fix a race in the denali NAND controller driver
- Fix false positive WARN_ON() in the marvell NAND controller driver
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Merge tag 'mtd/fixes-for-4.19-rc5' of git://git.infradead.org/linux-mtd
Boris writes:
"- Fixes a bug in the ->read/write_reg() implementation of the m25p80
driver
- Make sure of_node_get/put() calls are balanced in the partition
parsing code
- Fix a race in the denali NAND controller driver
- Fix false positive WARN_ON() in the marvell NAND controller driver"
* tag 'mtd/fixes-for-4.19-rc5' of git://git.infradead.org/linux-mtd:
mtd: devices: m25p80: Make sure the buffer passed in op is DMA-able
mtd: partitions: fix unbalanced of_node_get/put()
mtd: rawnand: denali: fix a race condition when DMA is kicked
mtd: rawnand: marvell: prevent harmless warnings
here comes a collection of various fixes, mostly for stable-tree
or regression fixes.
Two relatively high LOCs are about the (rather simple) conversion of
uapi integer types in topology API, and a regression fix about HDMI
hotplug notification on AMD HD-audio. The rest are all small
individual fixes like ASoC Intel Skylake race condition, minor
uninitialized page leak in emu10k1 ioctl, Firewire audio error paths,
and so on.
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Merge tag 'sound-4.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Takashi writes:
"sound fixes for 4.19-rc5
here comes a collection of various fixes, mostly for stable-tree
or regression fixes.
Two relatively high LOCs are about the (rather simple) conversion of
uapi integer types in topology API, and a regression fix about HDMI
hotplug notification on AMD HD-audio. The rest are all small
individual fixes like ASoC Intel Skylake race condition, minor
uninitialized page leak in emu10k1 ioctl, Firewire audio error paths,
and so on."
* tag 'sound-4.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (33 commits)
ALSA: fireworks: fix memory leak of response buffer at error path
ALSA: oxfw: fix memory leak of discovered stream formats at error path
ALSA: oxfw: fix memory leak for model-dependent data at error path
ALSA: bebob: fix memory leak for M-Audio FW1814 and ProjectMix I/O at error path
ALSA: hda - Enable runtime PM only for discrete GPU
ALSA: oxfw: fix memory leak of private data
ALSA: firewire-tascam: fix memory leak of private data
ALSA: firewire-digi00x: fix memory leak of private data
sound: don't call skl_init_chip() to reset intel skl soc
sound: enable interrupt after dma buffer initialization
Revert "ASoC: Intel: Skylake: Acquire irq after RIRB allocation"
ALSA: emu10k1: fix possible info leak to userspace on SNDRV_EMU10K1_IOCTL_INFO
ASoC: cs4265: fix MMTLR Data switch control
ASoC: AMD: Ensure reset bit is cleared before configuring
ALSA: fireface: fix memory leak in ff400_switch_fetching_mode()
ALSA: bebob: use address returned by kmalloc() instead of kernel stack for streaming DMA mapping
ASoC: rsnd: don't fallback to PIO mode when -EPROBE_DEFER
ASoC: rsnd: adg: care clock-frequency size
ASoC: uniphier: change status to orphan
ASoC: rsnd: fixup not to call clk_get/set under non-atomic
...
A couple of small but important fixes, one affecting big endian and
the other fixing a BUG_ON in scatterlist processing.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
James writes:
"SCSI fixes on 20180919
A couple of small but important fixes, one affecting big endian and
the other fixing a BUG_ON in scatterlist processing.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>"
Crypto stuff from Herbert:
"This push fixes a potential boot hang in ccp and an incorrect
CPU capability check in aegis/morus on x86."
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: x86/aegis,morus - Do not require OSXSAVE for SSE2
crypto: ccp - add timeout support in the SEV command
a huge latency in the system because it does a while loop to free pages
without releasing the CPU (on non preempt kernels). In a case where there
are hundreds of thousands of pages to free it could actually cause a system
stall. A properly place cond_resched() solves this issue.
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Merge tag 'trace-v4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Steven writes:
"Vaibhav Nagarnaik found that modifying the ring buffer size could cause
a huge latency in the system because it does a while loop to free pages
without releasing the CPU (on non preempt kernels). In a case where there
are hundreds of thousands of pages to free it could actually cause a system
stall. A properly place cond_resched() solves this issue."
Free allocated ACPI buffers in two drivers.
The following is an automated git shortlog grouped by driver:
alienware-wmi:
- Correct a memory leak
dell-smbios-wmi:
- Correct a memory leak
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Merge tag 'platform-drivers-x86-v4.19-2' of git://git.infradead.org/linux-platform-drivers-x86
Darren writes:
"platform-drivers-x86 for v4.19-2
Free allocated ACPI buffers in two drivers.
The following is an automated git shortlog grouped by driver:
alienware-wmi:
- Correct a memory leak
dell-smbios-wmi:
- Correct a memory leak"
* tag 'platform-drivers-x86-v4.19-2' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: alienware-wmi: Correct a memory leak
platform/x86: dell-smbios-wmi: Correct a memory leak
As documented in spi-mem.h, spi_mem_op->data.buf.{in,out} must be
DMA-able, and commit 4120f8d158 ("mtd: spi-nor: Use the spi_mem_xx()
API") failed to follow this rule as buffers passed to
->{read,write}_reg() are usually placed on the stack.
Fix that by allocating a scratch buffer and copying the data around.
Fixes: 4120f8d158 ("mtd: spi-nor: Use the spi_mem_xx() API")
Reported-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Dave writes:
"Various fixes, all over the place:
1) OOB data generation fix in bluetooth, from Matias Karhumaa.
2) BPF BTF boundary calculation fix, from Martin KaFai Lau.
3) Don't bug on excessive frags, to be compatible in situations mixing
older and newer kernels on each end. From Juergen Gross.
4) Scheduling in RCU fix in hv_netvsc, from Stephen Hemminger.
5) Zero keying information in TLS layer before freeing copies
of them, from Sabrina Dubroca.
6) Fix NULL deref in act_sample, from Davide Caratti.
7) Orphan SKB before GRO in veth to prevent crashes with XDP,
from Toshiaki Makita.
8) Fix use after free in ip6_xmit, from Eric Dumazet.
9) Fix VF mac address regression in bnxt_en, from Micahel Chan.
10) Fix MSG_PEEK behavior in TLS layer, from Daniel Borkmann.
11) Programming adjustments to r8169 which fix not being to enter deep
sleep states on some machines, from Kai-Heng Feng and Hans de
Goede.
12) Fix DST_NOCOUNT flag handling for ipv6 routes, from Peter
Oskolkov."
* gitolite.kernel.org:/pub/scm/linux/kernel/git/davem/net: (45 commits)
net/ipv6: do not copy dst flags on rt init
qmi_wwan: set DTR for modems in forced USB2 mode
clk: x86: Stop marking clocks as CLK_IS_CRITICAL
r8169: Get and enable optional ether_clk clock
clk: x86: add "ether_clk" alias for Bay Trail / Cherry Trail
r8169: enable ASPM on RTL8106E
r8169: Align ASPM/CLKREQ setting function with vendor driver
Revert "kcm: remove any offset before parsing messages"
kcm: remove any offset before parsing messages
net: ethernet: Fix a unused function warning.
net: dsa: mv88e6xxx: Fix ATU Miss Violation
tls: fix currently broken MSG_PEEK behavior
hv_netvsc: pair VF based on serial number
PCI: hv: support reporting serial number as slot information
bnxt_en: Fix VF mac address regression.
ipv6: fix possible use-after-free in ip6_xmit()
net: hp100: fix always-true check for link up state
ARM: dts: at91: add new compatibility string for macb on sama5d3
net: macb: disable scatter-gather for macb on sama5d3
net: mvpp2: let phylink manage the carrier state
...
DST_NOCOUNT in dst_entry::flags tracks whether the entry counts
toward route cache size (net->ipv6.sysctl.ip6_rt_max_size).
If the flag is NOT set, dst_ops::pcpuc_entries counter is incremented
in dist_init() and decremented in dst_destroy().
This flag is tied to allocation/deallocation of dst_entry and
should not be copied from another dst/route. Otherwise it can happen
that dst_ops::pcpuc_entries counter grows until no new routes can
be allocated because the counter reached ip6_rt_max_size due to
DST_NOCOUNT not set and thus no counter decrements on gc-ed routes.
Fixes: 3b6761d18b ("net/ipv6: Move dst flags to booleans in fib entries")
Cc: David Ahern <dsahern@gmail.com>
Acked-by: Wei Wang <weiwan@google.com>
Signed-off-by: Peter Oskolkov <posk@google.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Recent firmware revisions have added the ability to force
these modems to USB2 mode, hiding their SuperSpeed
capabilities from the host. The driver has been using the
SuperSpeed capability, as shown by the bcdUSB field of the
device descriptor, to detect the need to enable the DTR
quirk. This method fails when the modems are forced to
USB2 mode by the modem firmware.
Fix by unconditionally enabling the DTR quirk for the
affected device IDs.
Reported-by: Fred Veldini <fred.veldini@gmail.com>
Reported-by: Deshu Wen <dwen@sierrawireless.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Reported-by: Fred Veldini <fred.veldini@gmail.com>
Reported-by: Deshu Wen <dwen@sierrawireless.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
Hans de Goede says:
====================
r8169 (x86) clk fixes to fix S0ix not being reached
This series adds code to the r8169 ethernet driver to get and enable an
external clock if present, avoiding the need for a hack in the
clk-pmc-atom driver where that clock was left on continuesly causing x86
some devices to not reach deep power saving states (S0ix) when suspended
causing to them to quickly drain their battery while suspended.
The 3 commits in this series need to be merged in order to avoid
regressions while bisecting. The clk-pmc-atom driver does not see much
changes (it was last touched over a year ago). So the clk maintainers
have agreed with merging all 3 patches through the net tree.
All 3 patches have Stephen Boyd's Acked-by for this purpose.
This v2 of the series only had some minor tweaks done to the commit
messages and is ready for merging through the net tree now.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit d31fd43c0f ("clk: x86: Do not gate clocks enabled by the
firmware"), which added the code to mark clocks as CLK_IS_CRITICAL, causes
all unclaimed PMC clocks on Cherry Trail devices to be on all the time,
resulting on the device not being able to reach S0i3 when suspended.
The reason for this commit is that on some Bay Trail / Cherry Trail devices
the r8169 ethernet controller uses pmc_plt_clk_4. Now that the clk-pmc-atom
driver exports an "ether_clk" alias for pmc_plt_clk_4 and the r8169 driver
has been modified to get and enable this clock (if present) the marking of
the clocks as CLK_IS_CRITICAL is no longer necessary.
This commit removes the CLK_IS_CRITICAL marking, fixing Cherry Trail
devices not being able to reach S0i3 greatly decreasing their battery
drain when suspended.
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=193891#c102
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=196861
Cc: Johannes Stezenbach <js@sig21.net>
Cc: Carlo Caione <carlo@endlessm.com>
Reported-by: Johannes Stezenbach <js@sig21.net>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On some boards a platform clock is used as clock for the r8169 chip,
this commit adds support for getting and enabling this clock (assuming
it has an "ether_clk" alias set on it).
This is related to commit d31fd43c0f ("clk: x86: Do not gate clocks
enabled by the firmware") which is a previous attempt to fix this for some
x86 boards, but this causes all Cherry Trail SoC using boards to not reach
there lowest power states when suspending.
This commit (together with an atom-pmc-clk driver commit adding the alias)
fixes things properly by making the r8169 get the clock and enable it when
it needs it.
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=193891#c102
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=196861
Cc: Johannes Stezenbach <js@sig21.net>
Cc: Carlo Caione <carlo@endlessm.com>
Reported-by: Johannes Stezenbach <js@sig21.net>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit d31fd43c0f ("clk: x86: Do not gate clocks enabled by the
firmware") causes all unclaimed PMC clocks on Cherry Trail devices to be on
all the time, resulting on the device not being able to reach S0i2 or S0i3
when suspended.
The reason for this commit is that on some Bay Trail / Cherry Trail devices
the ethernet controller uses pmc_plt_clk_4. This commit adds an "ether_clk"
alias, so that the relevant ethernet drivers can try to (optionally) use
this, without needing X86 specific code / hacks, thus fixing ethernet on
these devices without breaking S0i3 support.
This commit uses clkdev_hw_create() to create the alias, mirroring the code
for the already existing "mclk" alias for pmc_plt_clk_3.
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=193891#c102
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=196861
Cc: Johannes Stezenbach <js@sig21.net>
Cc: Carlo Caione <carlo@endlessm.com>
Reported-by: Johannes Stezenbach <js@sig21.net>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The Intel SoC was prevented from entering lower idle state because
of RTL8106E's ASPM was not enabled.
So enable ASPM on RTL8106E (chip version 39).
Now the Intel SoC can enter lower idle state, power consumption and
temperature are much lower.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There's a small delay after setting ASPM in vendor drivers, r8101 and
r8168.
In addition, those drivers enable ASPM before ClkReq, also change that
to align with vendor driver.
I haven't seen anything bad becasue of this, but I think it's better to
keep in sync with vendor driver.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current code assumes kcm users know they need to look for the
strparser offset within their bpf program, which is not documented
anywhere and examples laying around do not do.
The actual recv function does handle the offset well, so we can create a
temporary clone of the skb and pull that one up as required for parsing.
The pull itself has a cost if we are pulling beyond the head data,
measured to 2-3% latency in a noisy VM with a local client stressing
that path. The clone's impact seemed too small to measure.
This bug can be exhibited easily by implementing a "trivial" kcm parser
taking the first bytes as size, and on the client sending at least two
such packets in a single write().
Note that bpf sockmap has the same problem, both for parse and for recv,
so it would pulling twice or a real pull within the strparser logic if
anyone cares about that.
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When reducing ring buffer size, pages are removed by scheduling a work
item on each CPU for the corresponding CPU ring buffer. After the pages
are removed from ring buffer linked list, the pages are free()d in a
tight loop. The loop does not give up CPU until all pages are removed.
In a worst case behavior, when lot of pages are to be freed, it can
cause system stall.
After the pages are removed from the list, the free() can happen while
the work is rescheduled. Call cond_resched() in the loop to prevent the
system hangup.
Link: http://lkml.kernel.org/r/20180907223129.71994-1-vnagarnaik@google.com
Cc: stable@vger.kernel.org
Fixes: 83f40318da ("ring-buffer: Make removal of ring buffer pages atomic")
Reported-by: Jason Behmer <jbehmer@google.com>
Signed-off-by: Vaibhav Nagarnaik <vnagarnaik@google.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
As well as one driver fix there's a couple of fixes here which address
issues with the use of IDRs for allocation of dynamic bus numbers,
ensuring that dynamic bus numbers interact well with static bus numbers
assigned via DT and otherwise.
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Merge tag 'spi-fix-v4.19-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Mark writes:
"spi: Fixes for v4.19
As well as one driver fix there's a couple of fixes here which address
issues with the use of IDRs for allocation of dynamic bus numbers,
ensuring that dynamic bus numbers interact well with static bus numbers
assigned via DT and otherwise."
* tag 'spi-fix-v4.19-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-fsl-dspi: fix broken DSPI_EOQ_MODE
spi: Fix double IDR allocation with DT aliases
spi: fix IDR collision on systems with both fixed and dynamic SPI bus numbers
This is the usual set of small fixes scatterd around various drivers,
plus one fix for DAPM and a UAPI build fix. There's not a huge amount
that stands out here relative to anything else.
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Merge tag 'asoc-v4.19-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.19
This is the usual set of small fixes scatterd around various drivers,
plus one fix for DAPM and a UAPI build fix. There's not a huge amount
that stands out here relative to anything else.
Fix the following compile warning:
drivers/net/ethernet/microchip/lan743x_main.c:2964:12: warning: lan743x_pm_suspend defined but not used [-Wunused-function]
static int lan743x_pm_suspend(struct device *dev)
drivers/net/ethernet/microchip/lan743x_main.c:2987:12: warning: lan743x_pm_resume defined but not used [-Wunused-function]
static int lan743x_pm_resume(struct device *dev)
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix a cut/paste error and a typo which results in ATU miss violations
not being reported.
Fixes: 0977644c50 ("net: dsa: mv88e6xxx: Decode ATU problem interrupt")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
In kTLS MSG_PEEK behavior is currently failing, strace example:
[pid 2430] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 3
[pid 2430] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 4
[pid 2430] bind(4, {sa_family=AF_INET, sin_port=htons(0), sin_addr=inet_addr("0.0.0.0")}, 16) = 0
[pid 2430] listen(4, 10) = 0
[pid 2430] getsockname(4, {sa_family=AF_INET, sin_port=htons(38855), sin_addr=inet_addr("0.0.0.0")}, [16]) = 0
[pid 2430] connect(3, {sa_family=AF_INET, sin_port=htons(38855), sin_addr=inet_addr("0.0.0.0")}, 16) = 0
[pid 2430] setsockopt(3, SOL_TCP, 0x1f /* TCP_??? */, [7564404], 4) = 0
[pid 2430] setsockopt(3, 0x11a /* SOL_?? */, 1, "\3\0033\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 40) = 0
[pid 2430] accept(4, {sa_family=AF_INET, sin_port=htons(49636), sin_addr=inet_addr("127.0.0.1")}, [16]) = 5
[pid 2430] setsockopt(5, SOL_TCP, 0x1f /* TCP_??? */, [7564404], 4) = 0
[pid 2430] setsockopt(5, 0x11a /* SOL_?? */, 2, "\3\0033\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 40) = 0
[pid 2430] close(4) = 0
[pid 2430] sendto(3, "test_read_peek", 14, 0, NULL, 0) = 14
[pid 2430] sendto(3, "_mult_recs\0", 11, 0, NULL, 0) = 11
[pid 2430] recvfrom(5, "test_read_peektest_read_peektest"..., 64, MSG_PEEK, NULL, NULL) = 64
As can be seen from strace, there are two TLS records sent,
i) 'test_read_peek' and ii) '_mult_recs\0' where we end up
peeking 'test_read_peektest_read_peektest'. This is clearly
wrong, and what happens is that given peek cannot call into
tls_sw_advance_skb() to unpause strparser and proceed with
the next skb, we end up looping over the current one, copying
the 'test_read_peek' over and over into the user provided
buffer.
Here, we can only peek into the currently held skb (current,
full TLS record) as otherwise we would end up having to hold
all the original skb(s) (depending on the peek depth) in a
separate queue when unpausing strparser to process next
records, minimally intrusive is to return only up to the
current record's size (which likely was what c46234ebb4
("tls: RX path for ktls") originally intended as well). Thus,
after patch we properly peek the first record:
[pid 2046] wait4(2075, <unfinished ...>
[pid 2075] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 3
[pid 2075] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 4
[pid 2075] bind(4, {sa_family=AF_INET, sin_port=htons(0), sin_addr=inet_addr("0.0.0.0")}, 16) = 0
[pid 2075] listen(4, 10) = 0
[pid 2075] getsockname(4, {sa_family=AF_INET, sin_port=htons(55115), sin_addr=inet_addr("0.0.0.0")}, [16]) = 0
[pid 2075] connect(3, {sa_family=AF_INET, sin_port=htons(55115), sin_addr=inet_addr("0.0.0.0")}, 16) = 0
[pid 2075] setsockopt(3, SOL_TCP, 0x1f /* TCP_??? */, [7564404], 4) = 0
[pid 2075] setsockopt(3, 0x11a /* SOL_?? */, 1, "\3\0033\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 40) = 0
[pid 2075] accept(4, {sa_family=AF_INET, sin_port=htons(45732), sin_addr=inet_addr("127.0.0.1")}, [16]) = 5
[pid 2075] setsockopt(5, SOL_TCP, 0x1f /* TCP_??? */, [7564404], 4) = 0
[pid 2075] setsockopt(5, 0x11a /* SOL_?? */, 2, "\3\0033\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 40) = 0
[pid 2075] close(4) = 0
[pid 2075] sendto(3, "test_read_peek", 14, 0, NULL, 0) = 14
[pid 2075] sendto(3, "_mult_recs\0", 11, 0, NULL, 0) = 11
[pid 2075] recvfrom(5, "test_read_peek", 64, MSG_PEEK, NULL, NULL) = 14
Fixes: c46234ebb4 ("tls: RX path for ktls")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stephen Hemminger says:
====================
hv_netvsc: associate VF and PV device by serial number
The Hyper-V implementation of PCI controller has concept of 32 bit serial number
(not to be confused with PCI-E serial number). This value is sent in the protocol
from the host to indicate SR-IOV VF device is attached to a synthetic NIC.
Using the serial number (instead of MAC address) to associate the two devices
avoids lots of potential problems when there are duplicate MAC addresses from
tunnels or layered devices.
The patch set is broken into two parts, one is for the PCI controller
and the other is for the netvsc device. Normally, these go through different
trees but sending them together here for better review. The PCI changes
were submitted previously, but the main review comment was "why do you
need this?". This is why.
v2 - slot name can be shorter.
remove locking when creating pci_slots; see comment for explaination
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Matching network device based on MAC address is problematic
since a non VF network device can be creted with a duplicate MAC
address causing confusion and problems. The VMBus API does provide
a serial number that is a better matching method.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The Hyper-V host API for PCI provides a unique "serial number" which
can be used as basis for sysfs PCI slot table. This can be useful
for cases where userspace wants to find the PCI device based on
serial number.
When an SR-IOV NIC is added, the host sends an attach message
with serial number. The kernel doesn't use the serial number, but
it is useful when doing the same thing in a userspace driver such
as the DPDK. By having /sys/bus/pci/slots/N it provides a direct
way to find the matching PCI device.
There maybe some cases where serial number is not unique such
as when using GPU's. But the PCI slot infrastructure will handle
that.
This has a side effect which may also be useful. The common udev
network device naming policy uses the slot information (rather
than PCI address).
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The recent commit to always forward the VF MAC address to the PF for
approval may not work if the PF driver or the firmware is older. This
will cause the VF driver to fail during probe:
bnxt_en 0000:00:03.0 (unnamed net_device) (uninitialized): hwrm req_type 0xf seq id 0x5 error 0xffff
bnxt_en 0000:00:03.0 (unnamed net_device) (uninitialized): VF MAC address 00:00:17:02:05:d0 not approved by the PF
bnxt_en 0000:00:03.0: Unable to initialize mac address.
bnxt_en: probe of 0000:00:03.0 failed with error -99
We fix it by treating the error as fatal only if the VF MAC address is
locally generated by the VF.
Fixes: 707e7e9660 ("bnxt_en: Always forward VF MAC address to the PF.")
Reported-by: Seth Forshee <seth.forshee@canonical.com>
Reported-by: Siwei Liu <loseweigh@gmail.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In the unlikely case ip6_xmit() has to call skb_realloc_headroom(),
we need to call skb_set_owner_w() before consuming original skb,
otherwise we risk a use-after-free.
Bring IPv6 in line with what we do in IPv4 to fix this.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The operation ~(p100_inb(VG_LAN_CFG_1) & HP100_LINK_UP) returns a value
that is always non-zero and hence the wait for the link to drop always
terminates prematurely. Fix this by using a logical not operator instead
of a bitwise complement. This issue has been in the driver since
pre-2.6.12-rc2.
Detected by CoverityScan, CID#114157 ("Logical vs. bitwise operator")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We need this new compatibility string as we experienced different behavior
for this 10/100Mbits/s macb interface on this particular SoC.
Backward compatibility is preserved as we keep the alternative strings.
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Create a new configuration for the sama5d3-macb new compatibility string.
This configuration disables scatter-gather because we experienced lock down
of the macb interface of this particular SoC under very high load.
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Net drivers using phylink shouldn't mess with the link carrier
themselves and should let phylink manage it. The mvpp2 driver wasn't
following this best practice as the mac_config() function made calls to
change the link carrier state. This led to wrongly reported carrier link
state which then triggered other issues. This patch fixes this
behaviour.
But the PPv2 driver relied on this misbehaviour in two cases: for fixed
links and when not using phylink (ACPI mode). The later was fixed by
adding an explicit call to link_up(), which when the ACPI mode will use
phylink should be removed.
The fixed link case was relying on the mac_config() function to set the
link up, as we found an issue in phylink_start() which assumes the
carrier is off. If not, the link_up() function is never called. To fix
this, a call to netif_carrier_off() is added just before phylink_start()
so that we do not introduce a regression in the driver.
Fixes: 4bb0432628 ("net: mvpp2: phylink support")
Reported-by: Russell King <linux@armlinux.org.uk>
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch mades TI_DAVINCI_CPDMA select GENERIC_ALLOCATOR.
without that, the following sparc64 build failure happen
drivers/net/ethernet/ti/davinci_cpdma.o: In function `cpdma_check_free_tx_desc':
(.text+0x278): undefined reference to `gen_pool_avail'
drivers/net/ethernet/ti/davinci_cpdma.o: In function `cpdma_chan_submit':
(.text+0x340): undefined reference to `gen_pool_alloc'
(.text+0x5c4): undefined reference to `gen_pool_free'
drivers/net/ethernet/ti/davinci_cpdma.o: In function `__cpdma_chan_free':
davinci_cpdma.c:(.text+0x64c): undefined reference to `gen_pool_free'
drivers/net/ethernet/ti/davinci_cpdma.o: In function `cpdma_desc_pool_destroy.isra.6':
davinci_cpdma.c:(.text+0x17ac): undefined reference to `gen_pool_size'
davinci_cpdma.c:(.text+0x17b8): undefined reference to `gen_pool_avail'
davinci_cpdma.c:(.text+0x1824): undefined reference to `gen_pool_size'
davinci_cpdma.c:(.text+0x1830): undefined reference to `gen_pool_avail'
drivers/net/ethernet/ti/davinci_cpdma.o: In function `cpdma_ctlr_create':
(.text+0x19f8): undefined reference to `devm_gen_pool_create'
(.text+0x1a90): undefined reference to `gen_pool_add_virt'
Makefile:1011: recipe for target 'vmlinux' failed
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While at first mtd_part_of_parse() would just call
of_get_chil_by_name(), it has been patched to deal with sub-partitions
and will now directly manipulate the node returned by mtd_get_of_node()
if the MTD device is a partition.
A of_node_put() was a bit below in the code, to balance the
of_get_child_by_name(). However, despite its name, mtd_get_of_node()
does not take a reference on the OF node. It is a simple helper hiding
some pointer logic to retrieve the OF node related to an MTD
device.
The direct effect of such unbalanced reference counting is visible by
rmmod'ing any module that would have added MTD partitions:
OF: ERROR: Bad of_node_put() on <of_path_to_partition>
As it seems normal to get a reference on the OF node during the
of_property_for_each_string() that follows, add a call to
of_node_get() when relevant.
Fixes: 76a832254a ("mtd: partitions: use DT info for parsing partitions with "compatible" prop")
Cc: stable@vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
The documented register to retrieve the fan RPM for fan7 is found
to be unreliable at least with NCT6796D revision 3. Let's use
register 0x4ce instead. This is undocumented for NCT6796D, but
documented for NCT6797D and NCT6798D and known to be working.
Reported-by: Robert Kern <ulteq@web.de>
Cc: Robert Kern <ulteq@web.de>
Fixes: 81820059a4 ("hwmon: (nct6775) Add support for NCT6796D")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
After allocating memory object for response buffer, ALSA fireworks
driver has leak of the memory object at error path.
This commit releases the object at the error path.
Fixes: 7d3c1d5901aa('ALSA: fireworks: delayed registration of sound card')
Cc: <stable@vger.kernel.org> # v4.7+
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
After finishing discover of stream formats, ALSA OXFW driver has memory
leak of allocated memory object at error path.
This commit releases the memory object at the error path.
Fixes: 6c29230e2a ('ALSA: oxfw: delayed registration of sound card')
Cc: <stable@vger.kernel.org> # v4.7+
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
After allocating model-dependent data, ALSA OXFW driver has memory leak
of the data at error path.
This commit releases the data at the error path.
Fixes: 6c29230e2a ('ALSA: oxfw: delayed registration of sound card')
Cc: <stable@vger.kernel.org> # v4.7+
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
After allocating model-dependent data for M-Audio FW1814 and ProjectMix
I/O, ALSA bebob driver has memory leak at error path.
This commit releases the allocated data at the error path.
Fixes: 04a2c73c97eb('ALSA: bebob: delayed registration of sound card')
Cc: <stable@vger.kernel.org> # v4.7+
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
maliciously crafted file systems, and some DAX fixes.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Ted writes:
Various ext4 bug fixes; primarily making ext4 more robust against
maliciously crafted file systems, and some DAX fixes.
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4, dax: set ext4_dax_aops for dax files
ext4, dax: add ext4_bmap to ext4_dax_aops
ext4: don't mark mmp buffer head dirty
ext4: show test_dummy_encryption mount option in /proc/mounts
ext4: close race between direct IO and ext4_break_layouts()
ext4: fix online resizing for bigalloc file systems with a 1k block size
ext4: fix online resize's handling of a too-small final block group
ext4: recalucate superblock checksum after updating free blocks/inodes
ext4: avoid arithemetic overflow that can trigger a BUG
ext4: avoid divide by zero fault when deleting corrupted inline directories
ext4: check to make sure the rename(2)'s destination is not freed
ext4: add nonstring annotations to ext4.h
This Kselftest fixes update for 4.9-rc5 consists of:
-- fixes to build failures
-- fixes to add missing config files to increase test coverage
-- fixes to cgroup test and a new cgroup test for memory.oom.group
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Merge tag 'linux-kselftest-4.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pulled kselftest fixes from Shuah:
"This Kselftest fixes update for 4.9-rc5 consists of:
-- fixes to build failures
-- fixes to add missing config files to increase test coverage
-- fixes to cgroup test and a new cgroup test for memory.oom.group"
Daniel Borkmann says:
====================
pull-request: bpf 2018-09-16
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fix end boundary calculation in BTF for the type section, from Martin.
2) Fix and revert subtraction of pointers that was accidentally allowed
for unprivileged programs, from Alexei.
3) Fix bpf_msg_pull_data() helper by using __GFP_COMP in order to avoid
a warning in linearizing sg pages into a single one for large allocs,
from Tushar.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
