Commit graph

842,041 commits

Author SHA1 Message Date
Hans de Goede
a483fcab38 efi/bgrt: Drop BGRT status field reserved bits check
Starting with ACPI 6.2 bits 1 and 2 of the BGRT status field are no longer
reserved. These bits are now used to indicate if the image needs to be
rotated before being displayed.

The first device using these bits has now shown up (the GPD MicroPC) and
the reserved bits check causes us to reject the valid BGRT table on this
device.

Rather then changing the reserved bits check, allowing only the 2 new bits,
instead just completely remove it so that we do not end up with a similar
problem when more bits are added in the future.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2019-06-11 16:13:05 +02:00
Ard Biesheuvel
18df7577ad efi/memreserve: deal with memreserve entries in unmapped memory
Ensure that the EFI memreserve entries can be accessed, even if they
are located in memory that the kernel (e.g., a crashkernel) omits from
the linear map.

Fixes: 80424b02d4 ("efi: Reduce the amount of memblock reservations ...")
Cc: <stable@vger.kernel.org> # 5.0+
Reported-by: Jonathan Richardson <jonathan.richardson@broadcom.com>
Reviewed-by: Jonathan Richardson <jonathan.richardson@broadcom.com>
Tested-by: Jonathan Richardson <jonathan.richardson@broadcom.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2019-06-11 16:07:19 +02:00
Jonathan Lemon
da2577fdd0 bpf: lpm_trie: check left child of last leftmost node for NULL
If the leftmost parent node of the tree has does not have a child
on the left side, then trie_get_next_key (and bpftool map dump) will
not look at the child on the right.  This leads to the traversal
missing elements.

Lookup is not affected.

Update selftest to handle this case.

Reproducer:

 bpftool map create /sys/fs/bpf/lpm type lpm_trie key 6 \
     value 1 entries 256 name test_lpm flags 1
 bpftool map update pinned /sys/fs/bpf/lpm key  8 0 0 0  0   0 value 1
 bpftool map update pinned /sys/fs/bpf/lpm key 16 0 0 0  0 128 value 2
 bpftool map dump   pinned /sys/fs/bpf/lpm

Returns only 1 element. (2 expected)

Fixes: b471f2f1de ("bpf: implement MAP_GET_NEXT_KEY command for LPM_TRIE")
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-06-11 13:52:37 +02:00
Miklos Szeredi
766741fcaa Revert "fuse: require /dev/fuse reads to have enough buffer capacity"
This reverts commit d4b13963f2.

The commit introduced a regression in glusterfs-fuse.

Reported-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2019-06-11 13:35:22 +02:00
Rui Nuno Capela
352bcae97f ALSA: ice1712: Check correct return value to snd_i2c_sendbytes (EWS/DMX 6Fire)
Check for exact and correct return value to snd_i2c_sendbytes
call for EWS/DMX 6Fire (snd_ice1712).

Fixes a systemic error on every boot starting from kernel 5.1
onwards to snd_ice1712 driver ("cannot send pca") on Terratec
EWS/DMX 6Fire PCI soundcards.

Check for exact and correct return value to snd_i2c_sendbytes
call for EWS/DMX 6Fire (snd_ice1712).

Fixes a systemic error on every boot to snd_ice1712 driver
("cannot send pca") on Terratec EWS/DMX 6Fire PCI soundcards.

Fixes: c99776cc40 ("ALSA: ice1712: fix a missing check of snd_i2c_sendbytes")
Signed-off-by: Rui Nuno Capela <rncbc@rncbc.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 12:06:54 +02:00
Takashi Sakamoto
d8fa87c368 ALSA: oxfw: allow PCM capture for Stanton SCS.1m
Stanton SCS.1m can transfer isochronous packet with Multi Bit Linear
Audio data channels, therefore it allows software to capture PCM
substream. However, ALSA oxfw driver doesn't.

This commit changes the driver to add one PCM substream for capture
direction.

Fixes: de5126cc3c ("ALSA: oxfw: add stream format quirk for SCS.1 models")
Cc: <stable@vger.kernel.org> # v4.5+
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:48:10 +02:00
Takashi Sakamoto
0e3fb6995b ALSA: firewire-motu: fix destruction of data for isochronous resources
The data for isochronous resources is not destroyed in expected place.
This commit fixes the bug.

Cc: <stable@vger.kernel.org> # v4.12+
Fixes: 9b2bb4f2f4 ("ALSA: firewire-motu: add stream management functionality")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:34:04 +02:00
Heiko Carstens
2980ba6ae8 s390/kdump: get rid of compile warning
Move the CONFIG_CRASH_DUMP ifdef to get rid of this:

arch/s390/kernel/machine_kexec.c:146:22: warning: 'do_start_kdump' defined but not used [-Wunused-function]

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-06-11 09:48:39 +02:00
Vasily Gorbik
eec0a43ddd RAID/s390: remove invalid 'r' inline asm operand modifier
gcc silently ignores unsupported inline asm operand modifiers, effectively
turning '%r0' into '%0', but upcoming clang 9 complains about them:
lib/raid6/s390vx8.c:63:16: error: invalid operand in inline asm: 'VLM $2,$3,0,${1:r}'
        asm volatile ("VLM %2,%3,0,%r1"
                      ^

Clean up what look like a typo 'r' inline asm operand modifier usage.

Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-06-11 09:48:25 +02:00
Mauro Carvalho Chehab
a20aa857e0 s390: include/asm/debug.h add kerneldoc markups
Instead of keeping the documentation inside s390dbf.rst,
move them to arch/s390/include/asm/debug.h, using standard
kernel-doc markups.

Keeping the documentation close to the code helps to keep it
updated. It also makes easier to document other stuff inside
debug.h, as all it needs is to add kernel-doc markups inside
it, as the file will be already be included at the produced
documentation.

-

Those were converted to kerneldoc using this script specially
designed to parse ths file, and manually editted:

<script>
use strict;

my $mode = "";
my $parameter = "";
my $ret = "";
my $descr = "";

sub add_var($)
{
	my $ln = shift;

	$ln =~ s/^\s+//;
	$ln =~ s/\s+$//;

	return if ($ln eq "");

	$ln =~ s/^(\S+)\s+/$1\t/;

	print " * \@$ln\n";
}

sub add_return($)
{
	my $ln = shift;

	print " *\n * Return:\n" if ($mode ne "Return Value:");

	$ln =~ s/^\s+//;
	$ln =~ s/\s+$//;

	return if ($ln eq "");

	print " * -   $ln\n";
}

sub add_description($)
{
	my $ln = shift;

	print " *\n * \n" if ($mode ne "Description:");

	$ln =~ s/^\s+//;
	$ln =~ s/\s+$//;

	return if ($ln eq "");

	print " * $ln\n";
}

sub flush_results()
{
	print " */\n\n";
}

while (<>) {
	if (m/^[\-]+$/) {
		flush_results();
		$mode = "";
		$parameter = "";
		$ret = "";
		$descr = "";
		next;
	}
	if (m/(Parameter:)(.*)/) {
		print " *\n" if ($mode eq "func");
		add_var($2);
		$mode = $1;
		next;
	}
	if (m/(Return Value:)(.*)/) {
		add_return($2);
		$mode = $1;
		next;
	}
	if (m/(Description:)(.*)/) {
		add_description($2);
		$mode = $1;
		next;
	}
	if ($mode eq "Parameter:") {
		add_var($_);
		next;
	}
	if ($mode eq "Return Value:") {
		add_return($_);
		next;
	}
	if ($mode eq "Description:") {
		add_description($_);
		next;
	}
	next if (m/^\s*$/);

	if (m/^\S+.*\s\*?(\S+)\s*\(/) {
		if ($mode eq "") {
			print "/**\n * $1()\n";
		} else {
			print " * $1()\n";
		}
		$mode="func";
	}
}
flush_results();
</script>

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-06-11 09:48:20 +02:00
Mauro Carvalho Chehab
8b4a503d65 docs: s390: convert docs to ReST and rename to *.rst
Convert all text files with s390 documentation to ReST format.

Tried to preserve as much as possible the original document
format. Still, some of the files required some work in order
for it to be visible on both plain text and after converted
to html.

The conversion is actually:
  - add blank lines and identation in order to identify paragraphs;
  - fix tables markups;
  - add some lists markups;
  - mark literal blocks;
  - adjust title markups.

At its new index.rst, let's add a :orphan: while this is not linked to
the main index.rst file, in order to avoid build warnings.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-06-11 09:48:14 +02:00
Mauro Carvalho Chehab
dc3988f40f docs: Debugging390.txt: convert table to ascii artwork
The first bit/value table inside the document is very
hard to read and won't fit ReST format. Also, some columns aren't
properly aligned.

Convert it to a nice ascii artwork table with makes it easier to
read as plain text and is compatible with ReST format parser
on Sphinx.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-06-11 09:48:09 +02:00
Guenter Roeck
93c2f55ffc s390/ctl_reg: mark __ctl_set_bit and __ctl_clear_bit as __always_inline
s390:tinyconfig fails to build with gcc 8.3.0.

arch/s390/include/asm/ctl_reg.h:52:2: error: impossible constraint in 'asm'
  asm volatile(       \
  ^~~
arch/s390/include/asm/ctl_reg.h:62:2: note: in expansion of macro '__ctl_store'
  __ctl_store(reg, cr, cr);
  ^~~~~~~~~~~
s390/include/asm/ctl_reg.h:41:2: error: impossible constraint in 'asm'
  asm volatile(       \
  ^~~
arch/s390/include/asm/ctl_reg.h:64:2:
note: in expansion of macro '__ctl_load'
  __ctl_load(reg, cr, cr);
  ^~~~~~~~~~

Marking __ctl_set_bit and __ctl_clear_bit as __always_inline fixes the
problem.

Fixes: 9012d01166 ("compiler: allow all arches to enable CONFIG_OPTIMIZE_INLINING")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-06-11 09:47:10 +02:00
Heiko Carstens
f9364df304 s390/boot: disable address-of-packed-member warning
Get rid of gcc9 warnings like this:

arch/s390/boot/ipl_report.c: In function 'find_bootdata_space':
arch/s390/boot/ipl_report.c:42:26: warning: taking address of packed member of 'struct ipl_rb_components' may result in an unaligned pointer value [-Waddress-of-packed-member]
   42 |  for_each_rb_entry(comp, comps)
      |                          ^~~~~

This is effectively the s390 variant of commit 20c6c18904
("x86/boot: Disable the address-of-packed-member compiler warning").

Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-06-11 09:46:43 +02:00
Linus Torvalds
01ccc3ad44 for-linus-20190610
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Merge tag 'for-linus-20190610' of git://git.kernel.dk/linux-block

Pull block cgroup symlink revert from Jens Axboe:
 "I talked to Tejun about this offline, and he's not a huge fan of the
  symlink.

  So let's revert this for now, and Paolo can do this properly for 5.3
  instead"

* tag 'for-linus-20190610' of git://git.kernel.dk/linux-block:
  cgroup/bfq: revert bfq.weight symlink change
2019-06-10 07:43:30 -10:00
Linus Torvalds
5e3b6b8ecc regulator: Fix for v5.2
Just one driver specific fix here, for a boot regression introduced
 during some modernization work on the tps6507x driver.
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Merge tag 'regulator-fix-v5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fix from Mark Brown:
 "Just one driver specific fix here, for a boot regression introduced
  during some modernization work on the tps6507x driver"

* tag 'regulator-fix-v5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: tps6507x: Fix boot regression due to testing wrong init_data pointer
2019-06-10 07:35:55 -10:00
Linus Torvalds
e59bf4282c spi: Fixes for v5.2
A small set of fixes here, one core fix for error handling when we fail
 to set up the hardware before initiating a transfer and another one
 reverting a change in the core which broke Raspberry Pi in common use
 cases as part of some optimization work.  There's also a couple of
 driver specific fixes.
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Merge tag 'spi-fix-v5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A small set of fixes here.

  One core fix for error handling when we fail to set up the hardware
  before initiating a transfer and another one reverting a change in the
  core which broke Raspberry Pi in common use cases as part of some
  optimization work.

  There's also a couple of driver specific fixes"

* tag 'spi-fix-v5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: abort spi_sync if failed to prepare_transfer_hardware
  spi: spi-fsl-spi: call spi_finalize_current_message() at the end
  spi: bitbang: Fix NULL pointer dereference in spi_unregister_master
  spi: Fix Raspberry Pi breakage
2019-06-10 07:19:56 -10:00
Tejun Heo
c596687a00 cgroup: Fix css_task_iter_advance_css_set() cset skip condition
While adding handling for dying task group leaders c03cd7738a
("cgroup: Include dying leaders with live threads in PROCS
iterations") added an inverted cset skip condition to
css_task_iter_advance_css_set().  It should skip cset if it's
completely empty but was incorrectly testing for the inverse condition
for the dying_tasks list.  Fix it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Fixes: c03cd7738a ("cgroup: Include dying leaders with live threads in PROCS iterations")
Reported-by: syzbot+d4bba5ccd4f9a2a68681@syzkaller.appspotmail.com
2019-06-10 09:08:27 -07:00
Greg Kroah-Hartman
b7108486d2 soundwire fixes for v5.2-rc4
Srinivas Kandagatla fixed by bunch of issues, two in core for locking
 and out of bound access and one in intel driver copy-paste
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Merge tag 'soundwire-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire into char-misc-linus

Vinod writes:

soundwire fixes for v5.2-rc4

Srinivas Kandagatla fixed by bunch of issues, two in core for locking
and out of bound access and one in intel driver copy-paste

* tag 'soundwire-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
  soundwire: intel: set dai min and max channels correctly
  soundwire: stream: fix bad unlock balance
  soundwire: stream: fix out of boundary access on port properties
2019-06-10 18:07:39 +02:00
Ezequiel Garcia
de060de333 drm/panfrost: Require the simple_ondemand governor
Panfrost depends on the simple_ondemand governor, and therefore
it's a required configuration. Select it.

Fixes: f3617b449d ("drm/panfrost: Select devfreq")
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190605184859.9432-1-ezequiel@collabora.com
2019-06-10 09:30:34 -06:00
Neil Armstrong
1c3b526e55 drm/panfrost: make devfreq optional again
Devfreq runtime usage was made mandatory, thus making panfrost fail to probe
on Amlogic S912 SoCs missing the "operating-points-v2" property.
Make it optional again, leaving PM_DEVFREQ selected by default.

Fixes: f3617b449d ("drm/panfrost: Select devfreq")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190605150233.32722-1-narmstrong@baylibre.com
2019-06-10 09:30:20 -06:00
Boris Brezillon
be7d9f05c5 drm/gem_shmem: Use a writecombine mapping for ->vaddr
Right now, the BO is mapped as a cached region when ->vmap() is called
and the underlying object is not a dmabuf.
Doing that makes cache management a bit more complicated (you'd need
to call dma_map/unmap_sg() on the ->sgt field everytime the BO is about
to be passed to the GPU/CPU), so let's map the BO with writecombine
attributes instead (as done in most drivers).

Fixes: 2194a63a81 ("drm: Add library for shmem backed GEM objects")
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190529065121.13485-1-boris.brezillon@collabora.com
2019-06-10 09:14:01 -06:00
Wolfram Sang
97bf85b6ec mmc: sdhi: disallow HS400 for M3-W ES1.2, RZ/G2M, and V3H
Our HW engineers informed us that HS400 is not working on these SoC
revisions.

Fixes: 0f4e2054c9 ("mmc: renesas_sdhi: disable HS400 on H3 ES1.x and M3-W ES1.[012]")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2019-06-10 17:08:20 +02:00
Alex Levin
3da428ff2a
ASoC: Intel: sst: fix kmalloc call with wrong flags
When calling kmalloc with GFP_KERNEL in case CONFIG_SLOB is unset,
kmem_cache_alloc_trace is called.

In case CONFIG_TRACING is set, kmem_cache_alloc_trace will ball
slab_alloc, which will call slab_pre_alloc_hook which might_sleep_if.

The context in which it is called in this case, the
intel_sst_interrupt_mrfld, calling a sleeping kmalloc generates a BUG():

Fixes: 972b0d456e ("ASoC: Intel: remove GFP_ATOMIC, use GFP_KERNEL")

[   20.250671] BUG: sleeping function called from invalid context at mm/slab.h:422
[   20.250683] in_atomic(): 1, irqs_disabled(): 1, pid: 1791, name: Chrome_IOThread
[   20.250690] CPU: 0 PID: 1791 Comm: Chrome_IOThread Tainted: G        W         4.19.43 #61
[   20.250693] Hardware name: GOOGLE Kefka, BIOS Google_Kefka.7287.337.0 03/02/2017
[   20.250697] Call Trace:
[   20.250704]  <IRQ>
[   20.250716]  dump_stack+0x7e/0xc3
[   20.250725]  ___might_sleep+0x12a/0x140
[   20.250731]  kmem_cache_alloc_trace+0x53/0x1c5
[   20.250736]  ? update_cfs_rq_load_avg+0x17e/0x1aa
[   20.250740]  ? cpu_load_update+0x6c/0xc2
[   20.250746]  sst_create_ipc_msg+0x2d/0x88
[   20.250752]  intel_sst_interrupt_mrfld+0x12a/0x22c
[   20.250758]  __handle_irq_event_percpu+0x133/0x228
[   20.250764]  handle_irq_event_percpu+0x35/0x7a
[   20.250768]  handle_irq_event+0x36/0x55
[   20.250773]  handle_fasteoi_irq+0xab/0x16c
[   20.250779]  handle_irq+0xd9/0x11e
[   20.250785]  do_IRQ+0x54/0xe0
[   20.250791]  common_interrupt+0xf/0xf
[   20.250795]  </IRQ>
[   20.250800] RIP: 0010:__lru_cache_add+0x4e/0xad
[   20.250806] Code: 00 01 48 c7 c7 b8 df 01 00 65 48 03 3c 25 28 f1 00 00 48 8b 48 08 48 89 ca 48 ff ca f6 c1 01 48 0f 44 d0 f0 ff 42 34 0f b6 0f <89> ca fe c2 88 17 48 89 44 cf 08 80 fa 0f 74 0e 48 8b 08 66 85 c9
[   20.250809] RSP: 0000:ffffa568810bfd98 EFLAGS: 00000202 ORIG_RAX: ffffffffffffffd6
[   20.250814] RAX: ffffd3b904eb1940 RBX: ffffd3b904eb1940 RCX: 0000000000000004
[   20.250817] RDX: ffffd3b904eb1940 RSI: ffffa10ee5c47450 RDI: ffffa10efba1dfb8
[   20.250821] RBP: ffffa568810bfda8 R08: ffffa10ef9c741c1 R09: dead000000000100
[   20.250824] R10: 0000000000000000 R11: 0000000000000000 R12: ffffa10ee8d52a40
[   20.250827] R13: ffffa10ee8d52000 R14: ffffa10ee5c47450 R15: 800000013ac65067
[   20.250835]  lru_cache_add_active_or_unevictable+0x4e/0xb8
[   20.250841]  handle_mm_fault+0xd98/0x10c4
[   20.250848]  __do_page_fault+0x235/0x42d
[   20.250853]  ? page_fault+0x8/0x30
[   20.250858]  do_page_fault+0x3d/0x17a
[   20.250862]  ? page_fault+0x8/0x30
[   20.250866]  page_fault+0x1e/0x30
[   20.250872] RIP: 0033:0x7962fdea9304
[   20.250875] Code: 0f 11 4c 17 f0 c3 48 3b 15 f1 26 31 00 0f 83 e2 00 00 00 48 39 f7 72 0f 74 12 4c 8d 0c 16 4c 39 cf 0f 82 63 01 00 00 48 89 d1 <f3> a4 c3 80 fa 08 73 12 80 fa 04 73 1e 80 fa 01 77 26 72 05 0f b6
[   20.250879] RSP: 002b:00007962f4db5468 EFLAGS: 00010206
[   20.250883] RAX: 00003c8cc9d47008 RBX: 0000000000000000 RCX: 0000000000001b48
[   20.250886] RDX: 0000000000002b40 RSI: 00003c8cc9551000 RDI: 00003c8cc9d48000
[   20.250890] RBP: 00007962f4db5820 R08: 0000000000000000 R09: 00003c8cc9552b48
[   20.250893] R10: 0000562dd1064d30 R11: 00003c8cc825b908 R12: 00003c8cc966d3c0
[   20.250896] R13: 00003c8cc9e280c0 R14: 0000000000000000 R15: 0000000000000000

Signed-off-by: Alex Levin <levinale@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-06-10 15:37:17 +01:00
Ranjani Sridharan
495f926c68
ASoC: core: Fix deadlock in snd_soc_instantiate_card()
Move the client_mutex lock to snd_soc_unbind_card() before
removing link components. This prevents the deadlock
in the error path in snd_soc_instantiate_card().

Fixes: 34ac3c3eb8 (ASoC: core: lock client_mutex while removing
link components)
Reported-by: kernelci.org bot <bot@kernelci.org>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-06-10 15:36:45 +01:00
Greg Kroah-Hartman
c2ed3d474f USB-serial fixes for 5.2-rc5
Here are some new device ids for option and pl2303.
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Johan Hovold <johan@kernel.org>
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 =do74
 -----END PGP SIGNATURE-----

Merge tag 'usb-serial-5.2-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB-serial fixes for 5.2-rc5

Here are some new device ids for option and pl2303.

All have been in linux-next with no reported issues.

Signed-off-by: Johan Hovold <johan@kernel.org>

* tag 'usb-serial-5.2-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
  USB: serial: option: add Telit 0x1260 and 0x1261 compositions
  USB: serial: pl2303: add Allied Telesis VT-Kit3
  USB: serial: option: add support for Simcom SIM7500/SIM7600 RNDIS mode
2019-06-10 16:30:56 +02:00
Mark Rutland
9b60472205 arm64: mm: avoid redundant READ_ONCE(*ptep)
In set_pte_at(), we read the old pte value so that it can be passed into
checks for racy hw updates. These checks are only performed for
CONFIG_DEBUG_VM, and the value is not used otherwise.

Since we read the pte value with READ_ONCE(), the compiler cannot elide
the redundant read for !CONFIG_DEBUG_VM kernels.

Let's ameliorate matters by moving the read and the checks into a
helper, __check_racy_pte_update(), which only performs the read when the
value will be used. This also allows us to reformat the conditions for
clarity.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-06-10 13:55:34 +01:00
Jens Axboe
cf8929885d cgroup/bfq: revert bfq.weight symlink change
There's some discussion on how to do this the best, and Tejun prefers
that BFQ just create the file itself instead of having cgroups support
a symlink feature.

Hence revert commit 54b7b868e8 and 19e9da9e86 for 5.2, and this
can be done properly for 5.3.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-06-10 03:35:41 -06:00
Teresa Remmet
8a0098c05a ARM: dts: am335x phytec boards: Fix cd-gpios active level
Active level of the mmc1 cd gpio needs to be low instead of high.
Fix PCM-953 and phyBOARD-WEGA.

Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2019-06-10 00:06:57 -07:00
Keerthy
cbdce14188 ARM: dts: dra72x: Disable usb4_tm target module
usb4_tm is unsed on dra72 and accessing the module
with ti,sysc is causing a boot crash hence disable its target
module.

Fixes: 549fce068a ("ARM: dts: dra7: Add l4 interconnect hierarchy and ti-sysc data")
Reported-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2019-06-10 00:04:59 -07:00
John Hurley
dce5ccccd1 nfp: ensure skb network header is set for packet redirect
Packets received at the NFP driver may be redirected to egress of another
netdev (e.g. in the case of OvS internal ports). On the egress path, some
processes, like TC egress hooks, may expect the network header offset
field in the skb to be correctly set. If this is not the case there is
potential for abnormal behaviour and even the triggering of BUG() calls.

Set the skb network header field before the mac header pull when doing a
packet redirect.

Fixes: 27f54b5825 ("nfp: allow fallback packets from non-reprs")
Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-09 20:08:09 -07:00
Yuchung Cheng
fcc2202a9d tcp: fix undo spurious SYNACK in passive Fast Open
Commit 794200d662 ("tcp: undo cwnd on Fast Open spurious SYNACK
retransmit") may cause tcp_fastretrans_alert() to warn about pending
retransmission in Open state. This is triggered when the Fast Open
server both sends data and has spurious SYNACK retransmission during
the handshake, and the data packets were lost or reordered.

The root cause is a bit complicated:

(1) Upon receiving SYN-data: a full socket is created with
    snd_una = ISN + 1 by tcp_create_openreq_child()

(2) On SYNACK timeout the server/sender enters CA_Loss state.

(3) Upon receiving the final ACK to complete the handshake, sender
    does not mark FLAG_SND_UNA_ADVANCED since (1)

    Sender then calls tcp_process_loss since state is CA_loss by (2)

(4) tcp_process_loss() does not invoke undo operations but instead
    mark REXMIT_LOST to force retransmission

(5) tcp_rcv_synrecv_state_fastopen() calls tcp_try_undo_loss(). It
    changes state to CA_Open but has positive tp->retrans_out

(6) Next ACK triggers the WARN_ON in tcp_fastretrans_alert()

The step that goes wrong is (4) where the undo operation should
have been invoked because the ACK successfully acknowledged the
SYN sequence. This fixes that by specifically checking undo
when the SYN-ACK sequence is acknowledged. Then after
tcp_process_loss() the state would be further adjusted based
in tcp_fastretrans_alert() to avoid triggering the warning in (6).

Fixes: 794200d662 ("tcp: undo cwnd on Fast Open spurious SYNACK retransmit")
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-09 20:04:11 -07:00
Matteo Croce
c1a9d65954 mpls: fix af_mpls dependencies
MPLS routing code relies on sysctl to work, so let it select PROC_SYSCTL.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Suggested-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Matteo Croce <mcroce@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-09 19:57:24 -07:00
David S. Miller
7f0b44a42e Merge branch 'ibmvnic-Fixes-for-device-reset-handling'
Thomas Falcon says:

====================
ibmvnic: Fixes for device reset handling

This series contains three unrelated fixes to issues seen during
device resets. The first patch fixes an error when the driver requests
to deactivate the link of an uninitialized device, resulting in a
failure to reset. Next, a patch to fix multicast transmission
failures seen after a driver reset. The final patch fixes mishandling
of memory allocation failures during device initialization, which
caused a kernel oops.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-09 19:51:28 -07:00
Thomas Falcon
7c940b1a52 ibmvnic: Fix unchecked return codes of memory allocations
The return values for these memory allocations are unchecked,
which may cause an oops if the driver does not handle them after
a failure. Fix by checking the function's return code.

Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-09 19:51:28 -07:00
Thomas Falcon
be32a24372 ibmvnic: Refresh device multicast list after reset
It was observed that multicast packets were no longer received after
a device reset.  The fix is to resend the current multicast list to
the backing device after recovery.

Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-09 19:51:28 -07:00
Thomas Falcon
1f94608b0c ibmvnic: Do not close unopened driver during reset
Check driver state before halting it during a reset. If the driver is
not running, do nothing. Otherwise, a request to deactivate a down link
can cause an error and the reset will fail.

Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-09 19:51:28 -07:00
David S. Miller
4172eadb08 mlx5-fixes-2019-06-07
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Merge tag 'mlx5-fixes-2019-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux

Saeed Mahameed says:

====================
Mellanox, mlx5 fixes 2019-06-07

This series introduces some fixes to mlx5 driver.

Please pull and let me know if there is any problem.

For -stable v4.17
  ('net/mlx5: Avoid reloading already removed devices')

For -stable v5.0
  ('net/mlx5e: Avoid detaching non-existing netdev under switchdev mode')

For -stable v5.1
  ('net/mlx5e: Fix source port matching in fdb peer flow rule')
  ('net/mlx5e: Support tagged tunnel over bond')
  ('net/mlx5e: Add ndo_set_feature for uplink representor')
  ('net/mlx5: Update pci error handler entries and command translation')
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-09 19:45:54 -07:00
David S. Miller
62f42a114b linux-can-fixes-for-5.2-20190607
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Merge tag 'linux-can-fixes-for-5.2-20190607' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2019-06-07

this is a pull reqeust of 9 patches for net/master.

The first patch is by Alexander Dahl and removes a duplicate menu entry from
the Kconfig. The next patch by Joakim Zhang fixes the timeout in the flexcan
driver when setting small bit rates. Anssi Hannula's patch for the xilinx_can
driver fixes the bittiming_const for CAN FD core. The two patches by Sean
Nyekjaer bring mcp25625 to the existing mcp251x driver. The patch by Eugen
Hristev implements an errata for the m_can driver. YueHaibing's patch fixes the
error handling ing can_init(). The patch by Fabio Estevam for the flexcan
driver removes an unneeded registration message during flexcan_probe(). And the
last patch is by Willem de Bruijn and adds the missing purging the  socket
error queue on sock destruct.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-09 19:44:01 -07:00
George Wilkie
2f3f7d1fa0 mpls: fix warning with multi-label encap
If you configure a route with multiple labels, e.g.
  ip route add 10.10.3.0/24 encap mpls 16/100 via 10.10.2.2 dev ens4
A warning is logged:
  kernel: [  130.561819] netlink: 'ip': attribute type 1 has an invalid
  length.

This happens because mpls_iptunnel_policy has set the type of
MPLS_IPTUNNEL_DST to fixed size NLA_U32.
Change it to a minimum size.
nla_get_labels() does the remaining validation.

Fixes: e3e4712ec0 ("mpls: ip tunnel support")
Signed-off-by: George Wilkie <gwilkie@vyatta.att-mail.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-09 13:26:34 -07:00
Michael Schmitz
a9520543b1 net: phy: rename Asix Electronics PHY driver
[Resent to net instead of net-next - may clash with Anders Roxell's patch
series addressing duplicate module names]

Commit 31dd83b966 ("net-next: phy: new Asix Electronics PHY driver")
introduced a new PHY driver drivers/net/phy/asix.c that causes a module
name conflict with a pre-existiting driver (drivers/net/usb/asix.c).

The PHY driver is used by the X-Surf 100 ethernet card driver, and loaded
by that driver via its PHY ID. A rename of the driver looks unproblematic.

Rename PHY driver to ax88796b.c in order to resolve name conflict.

Signed-off-by: Michael Schmitz <schmitzmic@gmail.com>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Fixes: 31dd83b966 ("net-next: phy: new Asix Electronics PHY driver")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-09 13:24:17 -07:00
Eric Dumazet
65a3c497c0 ipv6: flowlabel: fl6_sock_lookup() must use atomic_inc_not_zero
Before taking a refcount, make sure the object is not already
scheduled for deletion.

Same fix is needed in ipv6_flowlabel_opt()

Fixes: 18367681a1 ("ipv6 flowlabel: Convert np->ipv6_fl_list to RCU.")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-09 13:07:14 -07:00
Enrico Weigelt
c3fee640bc net: ipv4: fib_semantics: fix uninitialized variable
fix an uninitialized variable:

  CC      net/ipv4/fib_semantics.o
net/ipv4/fib_semantics.c: In function 'fib_check_nh_v4_gw':
net/ipv4/fib_semantics.c:1027:12: warning: 'err' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if (!tbl || err) {
            ^~

Signed-off-by: Enrico Weigelt <info@metux.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-09 12:47:30 -07:00
Jeff LaBundy
a876697b0a Input: iqs5xx - get axis info before calling input_mt_init_slots()
Calling input_mt_init_slots() copies ABS_MT_POSITION_X to ABS_X and
so on, but doing so before calling touchscreen_parse_properties()
leaves ABS_X min = max = 0 which may prompt an X server to ignore
the device.

To solve this problem, wait to call input_mt_init_slots() until all
absolute axis information has been resolved (whether that's through
device tree via touchscreen_parse_properties() or from reading from
the device directly).

Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2019-06-09 10:32:54 -07:00
Linus Torvalds
d1fdb6d8f6 Linux 5.2-rc4 v5.2-rc4 2019-06-08 20:24:46 -07:00
Linus Torvalds
2759e05cdb A change to call iput() asynchronously to avoid a possible deadlock
when iput_final() needs to wait for in-flight I/O (e.g. readahead) and
 a fixup for a cleanup that went into -rc1.
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Merge tag 'ceph-for-5.2-rc4' of git://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "A change to call iput() asynchronously to avoid a possible deadlock
  when iput_final() needs to wait for in-flight I/O (e.g. readahead) and
  a fixup for a cleanup that went into -rc1"

* tag 'ceph-for-5.2-rc4' of git://github.com/ceph/ceph-client:
  ceph: fix error handling in ceph_get_caps()
  ceph: avoid iput_final() while holding mutex or in dispatch thread
  ceph: single workqueue for inode related works
2019-06-08 15:57:35 -07:00
Linus Torvalds
8e61f6f7c3 xen: fix for 5.2-rc4
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Merge tag 'for-linus-5.2b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fix from Juergen Gross:
 "Just one fix for the Xen block frontend driver avoiding allocations
  with order > 0"

* tag 'for-linus-5.2b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen-blkfront: switch kcalloc to kvcalloc for large array allocation
2019-06-08 13:16:05 -07:00
Linus Torvalds
3d4645bf7a s390 updates for 5.2-rc4
- fix stack unwinder: the stack unwinder rework has on off-by-one bug
    which prevents following stack backchains over more than one
    context (e.g. irq -> process).
 
  - fix address space detection in exception handler: if user space
    switches to access register mode, which is not supported anymore,
    the exception handler may resolve to the wrong address space.
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Merge tag 's390-5.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Heiko Carstens:

 - fix stack unwinder: the stack unwinder rework has on off-by-one bug
   which prevents following stack backchains over more than one context
   (e.g. irq -> process).

 - fix address space detection in exception handler: if user space
   switches to access register mode, which is not supported anymore, the
   exception handler may resolve to the wrong address space.

* tag 's390-5.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/unwind: correct stack switching during unwind
  s390/mm: fix address space detection in exception handling
2019-06-08 13:12:54 -07:00
Linus Torvalds
d0cc617aff A batch of MIPS fixes:
- Declare ginvt() __always_inline due to its use of an argument as an
   inline asm immediate.
 
 - A VDSO build fix following Kbuild changes made this cycle.
 
 - A fix for boot failures on txx9 systems following memory
   initialization changes made this cycle.
 
 - Bounds check virt_addr_valid() to prevent it spuriously indicating
   that bogus addresses are valid, in turn fixing hardened usercopy
   failures that have been present since v4.12.
 
 - Build uImage.gz for pistachio systems by default, since this is the
   image we need in order to actually boot on a board.
 
 - Remove an unused variable in our uprobes code.
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Merge tag 'mips_fixes_5.2_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS fixes from Paul Burton:

 - Declare ginvt() __always_inline due to its use of an argument as an
   inline asm immediate.

 - A VDSO build fix following Kbuild changes made this cycle.

 - A fix for boot failures on txx9 systems following memory
   initialization changes made this cycle.

 - Bounds check virt_addr_valid() to prevent it spuriously indicating
   that bogus addresses are valid, in turn fixing hardened usercopy
   failures that have been present since v4.12.

 - Build uImage.gz for pistachio systems by default, since this is the
   image we need in order to actually boot on a board.

 - Remove an unused variable in our uprobes code.

* tag 'mips_fixes_5.2_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: uprobes: remove set but not used variable 'epc'
  MIPS: pistachio: Build uImage.gz by default
  MIPS: Make virt_addr_valid() return bool
  MIPS: Bounds check virt_addr_valid
  MIPS: TXx9: Fix boot crash in free_initmem()
  MIPS: remove a space after -I to cope with header search paths for VDSO
  MIPS: mark ginvt() as __always_inline
2019-06-08 13:09:31 -07:00
Linus Torvalds
9331b6740f SPDX update for 5.2-rc4
Another round of SPDX header file fixes for 5.2-rc4
 
 These are all more "GPL-2.0-or-later" or "GPL-2.0-only" tags being
 added, based on the text in the files.  We are slowly chipping away at
 the 700+ different ways people tried to write the license text.  All of
 these were reviewed on the spdx mailing list by a number of different
 people.
 
 We now have over 60% of the kernel files covered with SPDX tags:
 	$ ./scripts/spdxcheck.py -v 2>&1 | grep Files
 	Files checked:            64533
 	Files with SPDX:          40392
 	Files with errors:            0
 
 I think the majority of the "easy" fixups are now done, it's now the
 start of the longer-tail of crazy variants to wade through.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull yet more SPDX updates from Greg KH:
 "Another round of SPDX header file fixes for 5.2-rc4

  These are all more "GPL-2.0-or-later" or "GPL-2.0-only" tags being
  added, based on the text in the files. We are slowly chipping away at
  the 700+ different ways people tried to write the license text. All of
  these were reviewed on the spdx mailing list by a number of different
  people.

  We now have over 60% of the kernel files covered with SPDX tags:
	$ ./scripts/spdxcheck.py -v 2>&1 | grep Files
	Files checked:            64533
	Files with SPDX:          40392
	Files with errors:            0

  I think the majority of the "easy" fixups are now done, it's now the
  start of the longer-tail of crazy variants to wade through"

* tag 'spdx-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (159 commits)
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 450
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 449
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 448
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 446
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 445
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 444
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 443
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 442
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 440
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 438
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 437
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 436
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 435
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 434
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 433
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 432
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 431
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 430
  treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 429
  ...
2019-06-08 12:52:42 -07:00