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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Link: https://lore.kernel.org/r/20250922192412.885919229@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Pascal Ernster <git@hardfalcon.net>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Tested-by: Shuah Khan <skhan@linuxfoundation.org>
Tested-by: Hardik Garg <hargar@linux.microsoft.com>
Tested-by: Dileep Malepu <dileep.debian@gmail.com>
Tested-By: Achill Gilgenast <achill@achill.org>=
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e6b733ca2f99e968d696c2e812c8eb8e090bf37b upstream.
Commit 2780505ec2b4 ("samples/damon/prcl: fix boot time enable crash") is
somehow incompletely applying the origin patch [1]. It is missing the
part that avoids starting DAMON before module initialization. Probably a
mistake during a merge has happened. Fix it by applying the missed part
again.
Link: https://lkml.kernel.org/r/20250909022238.2989-3-sj@kernel.org
Link: https://lore.kernel.org/20250706193207.39810-3-sj@kernel.org [1]
Fixes: 2780505ec2b4 ("samples/damon/prcl: fix boot time enable crash")
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 25fbbaf515acd13399589bd5ee6de5f35740cef2 upstream.
When dual-divider clock support was introduced, the P divider offset was
left out of the .recalc_rate readback function. This causes the clock
rate to become bogus or even zero (possibly due to the P divider being
1, leading to a divide-by-zero).
Fix this by incorporating the P divider offset into the calculation.
Fixes: 45717804b75e ("clk: sunxi-ng: mp: introduce dual-divider clock")
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Link: https://patch.msgid.link/20250830170901.1996227-4-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit c62cff40481c037307a13becbda795f7afdcfebd ]
Commit 964314344eab ("samples/damon/mtier: support boot time enable
setup") is somehow incompletely applying the origin patch [1]. It is
missing the part that avoids starting DAMON before module initialization.
Probably a mistake during a merge has happened. Fix it by applying the
missed part again.
Link: https://lkml.kernel.org/r/20250909022238.2989-4-sj@kernel.org
Link: https://lore.kernel.org/20250706193207.39810-4-sj@kernel.org [1]
Fixes: 964314344eab ("samples/damon/mtier: support boot time enable setup")
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 793020545cea0c9e2a79de6ad5c9746ec4f5bd7e ]
The damon_{lru_sort,reclaim,stat} kernel modules use "enabled" parameter
knobs as follows.
/sys/module/damon_lru_sort/parameters/enabled
/sys/module/damon_reclaim/parameters/enabled
/sys/module/damon_stat/parameters/enabled
However, other sample modules of damon use "enable" parameter knobs so
it'd be better to rename them from "enable" to "enabled" to keep the
consistency with other damon modules.
Before:
/sys/module/damon_sample_wsse/parameters/enable
/sys/module/damon_sample_prcl/parameters/enable
/sys/module/damon_sample_mtier/parameters/enable
After:
/sys/module/damon_sample_wsse/parameters/enabled
/sys/module/damon_sample_prcl/parameters/enabled
/sys/module/damon_sample_mtier/parameters/enabled
There is no functional changes in this patch.
Link: https://lkml.kernel.org/r/20250707024548.1964-1-honggyu.kim@sk.com
Signed-off-by: Honggyu Kim <honggyu.kim@sk.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Stable-dep-of: c62cff40481c ("samples/damon/mtier: avoid starting DAMON before initialization")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 2780505ec2b42c07853b34640bc63279ac2bb53b ]
If 'enable' parameter of the 'prcl' DAMON sample module is set at boot
time via the kernel command line, memory allocation is tried before the
slab is initialized. As a result kernel NULL pointer dereference BUG can
happen. Fix it by checking the initialization status.
Link: https://lkml.kernel.org/r/20250706193207.39810-3-sj@kernel.org
Fixes: 2aca254620a8 ("samples/damon: introduce a skeleton of a smaple DAMON module for proactive reclamation")
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Stable-dep-of: c62cff40481c ("samples/damon/mtier: avoid starting DAMON before initialization")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 387d00028cccee7575f6416953bef62f849d83e3 ]
A block that required a "spacemit,k1-uart" compatible node to
specify two clocks was placed in the wrong spot in the binding.
Conor Dooley pointed out it belongs earlier in the file, as part
of the initial "allOf".
Fixes: 2c0594f9f0629 ("dt-bindings: serial: 8250: support an optional second clock")
Cc: stable <stable@kernel.org>
Reported-by: Conor Dooley <conor@kernel.org>
Closes: https://lore.kernel.org/lkml/20250729-reshuffle-contented-e6def76b540b@spud/
Signed-off-by: Alex Elder <elder@riscstar.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250813032151.2330616-1-elder@riscstar.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 48f9034e024a4c6e279b0d040e1f5589bb544806 ]
In SpacemiT's K1 SoC, the clocks for UART are mandatory needed, so
for DT, both clocks and clock-names property should be set as required.
Fixes: 2c0594f9f062 ("dt-bindings: serial: 8250: support an optional second clock")
Signed-off-by: Yixun Lan <dlan@gentoo.org>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250718-01-k1-uart-binding-v1-1-a92e1e14c836@gentoo.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 387d00028ccc ("dt-bindings: serial: 8250: move a constraint")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit d2db0d78154442fb89165edf8836bf2644c6c58d ]
Allow clock 'uartclk' and 'reg' for nxp,lpc1850-uart to align existed
driver and dts. It is really old platform. Keep the same restriction for
others.
Allow dmas and dma-names property, which allow maxItems 4 because very old
platform (arch/arm/boot/dts/nxp/lpc/lpc18xx.dtsi) use duplicate "tx", "rx",
"tx", "rx" as dma-names.
Fix below CHECK_DTB warnings:
arch/arm/boot/dts/nxp/lpc/lpc4337-ciaa.dtb: serial@40081000 (nxp,lpc1850-uart): clock-names: ['uartclk', 'reg'] is too long
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250602142745.942568-1-Frank.Li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 387d00028ccc ("dt-bindings: serial: 8250: move a constraint")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2293c57484ae64c9a3c847c8807db8c26a3a4d41 upstream.
During the connection establishment, a peer can tell the other one that
it cannot establish new subflows to the initial IP address and port by
setting the 'C' flag [1]. Doing so makes sense when the sender is behind
a strict NAT, operating behind a legacy Layer 4 load balancer, or using
anycast IP address for example.
When this 'C' flag is set, the path-managers must then not try to
establish new subflows to the other peer's initial IP address and port.
The in-kernel PM has access to this info, but the userspace PM didn't.
The RFC8684 [1] is strict about that:
(...) therefore the receiver MUST NOT try to open any additional
subflows toward this address and port.
So it is important to tell the userspace about that as it is responsible
for the respect of this flag.
When a new connection is created and established, the Netlink events
now contain the existing but not currently used 'flags' attribute. When
MPTCP_PM_EV_FLAG_DENY_JOIN_ID0 is set, it means no other subflows
to the initial IP address and port -- info that are also part of the
event -- can be established.
Link: https://datatracker.ietf.org/doc/html/rfc8684#section-3.1-20.6 [1]
Fixes: 702c2f646d42 ("mptcp: netlink: allow userspace-driven subflow establishment")
Reported-by: Marek Majkowski <marek@cloudflare.com>
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/532
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250912-net-mptcp-pm-uspace-deny_join_id0-v1-2-40171884ade8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
[ Conflicts in mptcp_pm.yaml, because the indentation has been modified
in commit ec362192aa9e ("netlink: specs: fix up indentation errors"),
which is not in this version. Applying the same modifications, but at
a different level. ]
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 225d1ee0f5ba3218d1814d36564fdb5f37b50474 upstream.
It turns out that the dual screen models use 0x5E for attaching and
detaching the keyboard instead of 0x5F. So, re-add the codes by
reverting commit cf3940ac737d ("platform/x86: asus-wmi: Remove extra
keys from ignore_key_wlan quirk"). For our future reference, add a
comment next to 0x5E indicating that it is used for that purpose.
Fixes: cf3940ac737d ("platform/x86: asus-wmi: Remove extra keys from ignore_key_wlan quirk")
Reported-by: Rahul Chandra <rahul@chandra.net>
Closes: https://lore.kernel.org/all/10020-68c90c80-d-4ac6c580@106290038/
Cc: stable@kernel.org
Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
Link: https://patch.msgid.link/20250916072818.196462-1-lkml@antheas.dev
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 132bfcd24925d4d4531a19b87acb8474be82a017 upstream.
On commit 9286dfd5735b ("platform/x86: asus-wmi: Fix spurious rfkill on
UX8406MA"), Mathieu adds a quirk for the Zenbook Duo to ignore the code
0x5f (WLAN button disable). On that laptop, this code is triggered when
the device keyboard is attached.
On the ASUS ROG Z13 2025, this code is triggered when pressing the side
button of the device, which is used to open Armoury Crate in Windows.
As this is becoming a pattern, where newer Asus laptops use this keycode
for emitting events, let's convert the wlan ignore quirk to instead
allow emitting codes, so that userspace programs can listen to it and
so that it does not interfere with the rfkill state.
With this patch, the Z13 wil emit KEY_PROG3 and the Duo will remain
unchanged and emit no event. While at it, add a quirk for the Z13 to
switch into tablet mode when removing the keyboard.
Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
Link: https://lore.kernel.org/r/20250808154710.8981-2-lkml@antheas.dev
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 2c139a47eff8de24e3350dadb4c9d5e3426db826 ]
In io_link_skb function, there is a bug where prev_notif is incorrectly
assigned using 'nd' instead of 'prev_nd'. This causes the context
validation check to compare the current notification with itself instead
of comparing it with the previous notification.
Fix by using the correct prev_nd parameter when obtaining prev_notif.
Signed-off-by: Yang Xiuwei <yangxiuwei@kylinos.cn>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Fixes: 6fe4220912d19 ("io_uring/notif: implement notification stacking")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit daac51c7032036a0ca5f1aa419ad1b0471d1c6e0 ]
During tests of another unrelated patch I was able to trigger this
error: Objects remaining on __kmem_cache_shutdown()
Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Fixes: f198186aa9bb ("CIFS: SMBD: Establish SMB Direct connection")
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 251090e2c2c1be60607d1c521af2c993f04d4f61 ]
Fix the file open check to decide whether or not silly-rename the file
in SMB2+.
Fixes: c5ea3065586d ("smb: client: fix data loss due to broken rename(2)")
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.org>
Cc: Frank Sorenson <sorenson@redhat.com>
Reviewed-by: David Howells <dhowells@redhat.com>
Cc: linux-cifs@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit df8922afc37aa2111ca79a216653a629146763ad ]
A recent commit:
fc582cd26e88 ("io_uring/msg_ring: ensure io_kiocb freeing is deferred for RCU")
fixed an issue with not deferring freeing of io_kiocb structs that
msg_ring allocates to after the current RCU grace period. But this only
covers requests that don't end up in the allocation cache. If a request
goes into the alloc cache, it can get reused before it is sane to do so.
A recent syzbot report would seem to indicate that there's something
there, however it may very well just be because of the KASAN poisoning
that the alloc_cache handles manually.
Rather than attempt to make the alloc_cache sane for that use case, just
drop the usage of the alloc_cache for msg_ring request payload data.
Fixes: 50cf5f3842af ("io_uring/msg_ring: add an alloc cache for io_kiocb entries")
Link: https://lore.kernel.org/io-uring/68cc2687.050a0220.139b6.0005.GAE@google.com/
Reported-by: syzbot+baa2e0f4e02df602583e@syzkaller.appspotmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 9574b2330dbd2b5459b74d3b5e9619d39299fc6f ]
If an error causes af_alg_sendmsg to abort, ctx->merge may contain
a garbage value from the previous loop. This may then trigger a
crash on the next entry into af_alg_sendmsg when it attempts to do
a merge that can't be done.
Fix this by setting ctx->merge to zero near the start of the loop.
Fixes: 8ff590903d5 ("crypto: algif_skcipher - User-space interface for skcipher operations")
Reported-by: Muhammad Alifa Ramdhan <ramdhan@starlabs.sg>
Reported-by: Bing-Jhong Billy Jheng <billy@starlabs.sg>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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disable_work_sync(&info->post_send_credits_work)
[ Upstream commit d9dcbbcf9145b68aa85c40947311a6907277e097 ]
In smbd_destroy() we may destroy the memory so we better
wait until post_send_credits_work is no longer pending
and will never be started again.
I actually just hit the case using rxe:
WARNING: CPU: 0 PID: 138 at drivers/infiniband/sw/rxe/rxe_verbs.c:1032 rxe_post_recv+0x1ee/0x480 [rdma_rxe]
...
[ 5305.686979] [ T138] smbd_post_recv+0x445/0xc10 [cifs]
[ 5305.687135] [ T138] ? srso_alias_return_thunk+0x5/0xfbef5
[ 5305.687149] [ T138] ? __kasan_check_write+0x14/0x30
[ 5305.687185] [ T138] ? __pfx_smbd_post_recv+0x10/0x10 [cifs]
[ 5305.687329] [ T138] ? __pfx__raw_spin_lock_irqsave+0x10/0x10
[ 5305.687356] [ T138] ? srso_alias_return_thunk+0x5/0xfbef5
[ 5305.687368] [ T138] ? srso_alias_return_thunk+0x5/0xfbef5
[ 5305.687378] [ T138] ? _raw_spin_unlock_irqrestore+0x11/0x60
[ 5305.687389] [ T138] ? srso_alias_return_thunk+0x5/0xfbef5
[ 5305.687399] [ T138] ? get_receive_buffer+0x168/0x210 [cifs]
[ 5305.687555] [ T138] smbd_post_send_credits+0x382/0x4b0 [cifs]
[ 5305.687701] [ T138] ? __pfx_smbd_post_send_credits+0x10/0x10 [cifs]
[ 5305.687855] [ T138] ? __pfx___schedule+0x10/0x10
[ 5305.687865] [ T138] ? __pfx__raw_spin_lock_irq+0x10/0x10
[ 5305.687875] [ T138] ? queue_delayed_work_on+0x8e/0xa0
[ 5305.687889] [ T138] process_one_work+0x629/0xf80
[ 5305.687908] [ T138] ? srso_alias_return_thunk+0x5/0xfbef5
[ 5305.687917] [ T138] ? __kasan_check_write+0x14/0x30
[ 5305.687933] [ T138] worker_thread+0x87f/0x1570
...
It means rxe_post_recv was called after rdma_destroy_qp().
This happened because put_receive_buffer() was triggered
by ib_drain_qp() and called:
queue_work(info->workqueue, &info->post_send_credits_work);
Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Fixes: f198186aa9bb ("CIFS: SMBD: Establish SMB Direct connection")
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit bac28f604c7699727b2fecf14c3a54668bbe458e ]
This makes it safer during the disconnect and avoids
requeueing.
It's ok to call disable[delayed_]work[_sync]() more than once.
Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Fixes: 050b8c374019 ("smbd: Make upper layer decide when to destroy the transport")
Fixes: f198186aa9bb ("CIFS: SMBD: Establish SMB Direct connection")
Fixes: c7398583340a ("CIFS: SMBD: Implement RDMA memory registration")
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 93ed9a2951308db374cba4562533dde97bac70d3 ]
Fix the following case where the client would end up closing both
deferred files (foo.tmp & foo) after unlink(foo) due to strstr() call
in cifs_close_deferred_file_under_dentry():
fd1 = openat(AT_FDCWD, "foo", O_WRONLY|O_CREAT|O_TRUNC, 0666);
fd2 = openat(AT_FDCWD, "foo.tmp", O_WRONLY|O_CREAT|O_TRUNC, 0666);
close(fd1);
close(fd2);
unlink("foo");
Fixes: e3fc065682eb ("cifs: Deferred close performance improvements")
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.org>
Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de>
Cc: Frank Sorenson <sorenson@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: linux-cifs@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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remaining_data_length
[ Upstream commit f57e53ea252363234f86674db475839e5b87102e ]
This is inspired by the related server fixes.
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Reviewed-by: Namjae Jeon <linkinjeon@kernel.org>
Fixes: f198186aa9bb ("CIFS: SMBD: Establish SMB Direct connection")
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 5dddf0497445d247e995306daf3b76dd0633831c ]
This is the shared structure that will be used in
the server too and will allow us to move helper functions
into common code soon.
Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Stable-dep-of: f57e53ea2523 ("smb: client: let recv_done verify data_offset, data_length and remaining_data_length")
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 60812d20da82606f0620904c281579a9af0ab452 ]
This will be used in client and server soon
in order to replace smbd_response/smb_direct_recvmsg.
Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Stable-dep-of: f57e53ea2523 ("smb: client: let recv_done verify data_offset, data_length and remaining_data_length")
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit bbdbd9ae47155da65aa0c1641698a44d85c2faa2 ]
The expected incoming message type can be per connection.
Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Stable-dep-of: f57e53ea2523 ("smb: client: let recv_done verify data_offset, data_length and remaining_data_length")
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 33dd53a90e3419ea260e9ff2b4aa107385cdf7fa ]
The expected message type can be global as they never change
during the after negotiation process.
This will replace smbd_response->type and smb_direct_recvmsg->type
in future.
Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Stable-dep-of: f57e53ea2523 ("smb: client: let recv_done verify data_offset, data_length and remaining_data_length")
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 26caeae9fb482ec443753b4e3307e5122b60b850 ]
All recent platforms (including all the ones officially supported by the
Xe driver) do not allow concurrent execution of RCS and CCS workloads
from different address spaces, with the HW blocking the context switch
when it detects such a scenario.
The DUAL_QUEUE flag helps with this, by causing the GuC to not submit a
context it knows will not be able to execute. This, however, causes a new
problem: if RCS and CCS queues have pending workloads from different
address spaces, the GuC needs to choose from which of the 2 queues to
pick the next workload to execute. By default, the GuC prioritizes RCS
submissions over CCS ones, which can lead to CCS workloads being
significantly (or completely) starved of execution time.
The driver can tune this by setting a dedicated scheduling policy KLV;
this KLV allows the driver to specify a quantum (in ms) and a ratio
(percentage value between 0 and 100), and the GuC will prioritize the CCS
for that percentage of each quantum.
Given that we want to guarantee enough RCS throughput to avoid missing
frames, we set the yield policy to 20% of each 80ms interval.
v2: updated quantum and ratio, improved comment, use xe_guc_submit_disable
in gt_sanitize
Fixes: d9a1ae0d17bd ("drm/xe/guc: Enable WA_DUAL_QUEUE for newer platforms")
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Tested-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Link: https://lore.kernel.org/r/20250905235632.3333247-2-daniele.ceraolospurio@intel.com
(cherry picked from commit 88434448438e4302e272b2a2b810b42e05ea024b)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
[Rodrigo added #include "xe_guc_submit.h" while backporting]
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a7ffcea8631af91479cab10aa7fbfd0722f01d9a ]
On newer HW (Xe2 onwards + PVC) it is possible to get extra information
when a CAT error occurs, specifically a dword reporting the error type.
To enable this extra reporting, we need to opt-in with the GuC, which is
done via a specific per-VF feature opt-in H2G.
On platforms where the HW does not support the extra reporting, the GuC
will set the type to 0xdeadbeef, so we can keep the code simple and
opt-in to the feature on every platform and then just discard the data
if it is invalid.
Note that on native/PF we're guaranteed that the opt in is available
because we don't support any GuC old enough to not have it, but if we're
a VF we might be running on a non-XE PF with an older GuC, so we need to
handle that case. We can re-use the invalid type above to handle this
scenario the same way as if the feature was not supported in HW.
Given that this patch is the first user of the guc_buf_cache on native
and VF, it also extends that feature to non-PF use-cases.
v2: simpler print for the error type (John), rebase
v3: use guc_buf_cache instead of new alloc, simpler doc (Michal)
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com> #v1
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://lore.kernel.org/r/20250625205405.1653212-3-daniele.ceraolospurio@intel.com
Stable-dep-of: 26caeae9fb48 ("drm/xe/guc: Set RCS/CCS yield policy")
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ae5fbbda341f92e605a9508a0fb18456155517f0 ]
Since the PXP start comes after __xe_exec_queue_init() has completed,
we need to cleanup what was done in that function in case of a PXP
start error.
__xe_exec_queue_init calls the submission backend init() function,
so we need to introduce an opposite for that. Unfortunately, while
we already have a fini() function pointer, it performs other
operations in addition to cleaning up what was done by the init().
Therefore, for clarity, the existing fini() has been renamed to
destroy(), while a new fini() has been added to only clean up what was
done by the init(), with the latter being called by the former (via
xe_exec_queue_fini).
Fixes: 72d479601d67 ("drm/xe/pxp/uapi: Add userspace and LRC support for PXP-using queues")
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://lore.kernel.org/r/20250909221240.3711023-3-daniele.ceraolospurio@intel.com
(cherry picked from commit 626667321deb4c7a294725406faa3dd71c3d445d)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 44499ecb4f2817743c37d861bdb3e95f37d3d9cd ]
The sanity check previously added to uaudio_transfer_buffer_setup()
assumed the allocated buffer being linear-mapped. But the buffer
allocated via usb_alloc_coherent() isn't always so, rather to be used
with (SG-)DMA API. This leaded to a false-positive warning and the
driver failed to work.
Actually uaudio_transfer_buffer_setup() deals only with the DMA-API
addresses for MEM_XFER_BUF type, while other callers of
uaudio_iommu_map() are with pages with physical addresses for
MEM_EVENT_RING and MEM_XFER_RING types. So this patch splits the
mapping helper function to two different ones, uaudio_iommu_map() for
the DMA pages and uaudio_iommu_map_pa() for the latter, in order to
handle mapping differently for each type. Along with it, the
unnecessary address check that caused probe error is dropped, too.
Fixes: 3335a1bbd624 ("ALSA: qc_audio_offload: try to reduce address space confusion")
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reported-and-tested-by: Luca Weiss <luca.weiss@fairphone.com>
Closes: https://lore.kernel.org/DBR2363A95M1.L9XBNC003490@fairphone.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit cbc7f3b4f6ca19320e2eacf8fc1403d6f331ce14 ]
The xe_preempt_fence_create() function returns error pointers. It
never returns NULL. Update the error checking to match.
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/aJTMBdX97cof_009@stanley.mountain
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 75cc23ffe5b422bc3cbd5cf0956b8b86e4b0e162)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 288dac9fb6084330d968459c750c838fd06e10e6 ]
Add missing mutex unlock before returning from the error path in
cdns_mhdp_atomic_enable().
Fixes: 935a92a1c400 ("drm: bridge: cdns-mhdp8546: Fix possible null pointer dereference")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qi Xi <xiqi2@huawei.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250904034447.665427-1-xiqi2@huawei.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a10f910c77f280327b481e77eab909934ec508f0 ]
If the interrupt occurs before resource initialization is complete, the
interrupt handler/worker may access uninitialized data such as the I2C
tcpc_client device, potentially leading to NULL pointer dereference.
Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Fixes: 8bdfc5dae4e3 ("drm/bridge: anx7625: Add anx7625 MIPI DSI/DPI to DP")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250709085438.56188-1-loic.poulain@oss.qualcomm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit fef8b64e48e836344574b85132a1c317f4260022 ]
This effectively reverts commit 4c3fe5eae46b ("drm/xe/pf: Limit
fair VF LMEM provisioning") since we don't need it any more after
non-contig VRAM allocations were fixed. This allows larger LMEM
auto-provisioning for VFs, so instead:
[ ] GT0: PF: LMEM available(14096M) fair(1 x 8192M)
[ ] GT0: PF: VF1 provisioned with 8589934592 (8.00 GiB) LMEM
or
[ ] GT0: PF: LMEM available(14096M) fair(2 x 4096M)
[ ] GT0: PF: VF1..VF2 provisioned with 4294967296 (4.00 GiB) LMEM
we may get:
[ ] GT0: PF: LMEM available(14096M) fair(1 x 14096M)
[ ] GT0: PF: VF1 provisioned with 14780727296 (13.8 GiB) LMEM
and
[ ] GT0: PF: LMEM available(14096M) fair(2 x 7048M)
[ ] GT0: PF: VF1..VF2 provisioned with 7390363648 (6.88 GiB) LMEM
Fixes: 1e32ffbc9dc8 ("drm/xe/sriov: support non-contig VRAM provisioning")
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://lore.kernel.org/r/20250910222439.32869-1-michal.wajdeczko@intel.com
(cherry picked from commit 95c1cfa306087142989bff34ea0e05dcd95ddc58)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 013e484dbd687a9174acf8f4450217bdb86ad788 ]
Call kobject_put() for the failure path to release the kobject
v2: remove extra newline. (Matt)
Fixes: e3d0839aa501 ("drm/xe/tile: Abort driver load for sysfs creation failure")
Cc: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com>
Link: https://lore.kernel.org/r/20250819153950.2973344-2-shuicheng.lin@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit b98775bca99511cc22ab459a2de646cd2fa7241f)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit d7871f400cad1da376f1d7724209a1c49226c456 ]
Use dev_get_drvdata(dev->parent) instead of dev_get_platdata(dev)
to correctly obtain acp_chip_info members in the acp I2S driver.
Previously, some members were not updated properly due to incorrect
data access, which could potentially lead to null pointer
dereferences.
This issue was missed in the earlier commit
("ASoC: amd: acp: Fix NULL pointer deref in acp_i2s_set_tdm_slot"),
which only addressed set_tdm_slot(). This change ensures that all
relevant functions correctly retrieve acp_chip_info, preventing
further null pointer dereference issues.
Fixes: e3933683b25e ("ASoC: amd: acp: Remove redundant acp_dev_data structure")
Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://patch.msgid.link/20250910171419.3682468-1-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a0c17ed907ac3326cf3c9d6007ea222a746f5cc2 ]
Commit 7bea695ada0 restructured DTE flag handling but inadvertently changed
the alias device configuration logic. This may cause incorrect DTE settings
for certain devices.
Add alias flag check before calling set_dev_entry_from_acpi(). Also move the
device iteration loop inside the alias check to restrict execution to cases
where alias devices are present.
Fixes: 7bea695ada0 ("iommu/amd: Introduce struct ivhd_dte_flags to store persistent DTE flags")
Cc: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 690aa09b1845c0d5c3c29dabd50a9d0488c97c48 ]
Currently wrong bit depth is exposed in hw params, causing clipped
volume during playback. Expose correct parameters.
Fixes: a126750fc865 ("ASoC: Intel: catpt: PCM operations")
Reported-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Tested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Message-ID: <20250909092829.375953-1-amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f81e63047600d023cbfda372b6de8f2821ff6839 ]
The MBQ size function returns an integer representing the size of a
Control. Currently if the Control is not found the function will return
false which makes little sense. Correct this typo to return -EINVAL.
Fixes: e3f7caf74b79 ("ASoC: SDCA: Add generic regmap SDCA helpers")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Message-ID: <20250820163717.1095846-2-ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 35fc531a59694f24a2456569cf7d1a9c6436841c ]
The dev_err message is reporting an error about capture streams however
it is using the incorrect variable num_playback instead of num_capture.
Fix this by using the correct variable num_capture.
Fixes: a1d1e266b445 ("ASoC: SOF: Intel: Add Intel specific HDA stream operations")
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://patch.msgid.link/20250902120639.2626861-1-colin.i.king@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 78338108b5a856dc98223a335f147846a8a18c51 ]
The sma1307->set.header_size is how many integers are in the header
(there are 8 of them) but instead of allocating space of 8 integers
we allocate 8 bytes. This leads to memory corruption when we copy data
it on the next line:
memcpy(sma1307->set.header, data,
sma1307->set.header_size * sizeof(int));
Also since we're immediately copying over the memory in ->set.header,
there is no need to zero it in the allocator. Use devm_kmalloc_array()
to allocate the memory instead.
Fixes: 576c57e6b4c1 ("ASoC: sma1307: Add driver for Iron Device SMA1307")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/aLGjvjpueVstekXP@stanley.mountain
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 9b17d3724df55ecc2bc67978822585f2b023be48 ]
Using a single value of 22500000 for both 48000Hz and 44100Hz audio
will sometimes result in returning wrong dividers due to rounding.
Update the code to use the actual value for both.
Fixes: 51b2bb3f2568 ("ASoC: wm8974: configure pll and mclk divider automatically")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250821082639.1301453-4-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit b4799520dcd6fe1e14495cecbbe9975d847cd482 ]
Fixes: 0b5e92c5e020 ("ASoC WM8940 Driver")
Reported-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Tested-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
Link: https://patch.msgid.link/20250821082639.1301453-3-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit d05afb53c683ef7ed1228b593c3360f4d3126c58 ]
Using a single value of 22500000 for both 48000Hz and 44100Hz audio
will sometimes result in returning wrong dividers due to rounding.
Update the code to use the actual value for both.
Fixes: 294833fc9eb4 ("ASoC: wm8940: Rewrite code to set proper clocks")
Reported-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Tested-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
Link: https://patch.msgid.link/20250821082639.1301453-2-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit d33c3471047fc54966621d19329e6a23ebc8ec50 upstream.
This laptop uses the ALC236 codec with COEF 0x7 and idx 1 to
control the mute LED. Enable the existing quirk for this device.
Signed-off-by: Praful Adiga <praful.adiga@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8708c5d8b3fb3f6d5d3b9e6bfe01a505819f519a upstream.
The disconnect test-case, with 'plain' TCP sockets generates spurious
errors, e.g.
07 ns1 TCP -> ns1 (dead:beef:1::1:10006) MPTCP
read: Connection reset by peer
read: Connection reset by peer
(duration 155ms) [FAIL] client exit code 3, server 3
netns ns1-FloSdv (listener) socket stat for 10006:
TcpActiveOpens 2 0.0
TcpPassiveOpens 2 0.0
TcpEstabResets 2 0.0
TcpInSegs 274 0.0
TcpOutSegs 276 0.0
TcpOutRsts 3 0.0
TcpExtPruneCalled 2 0.0
TcpExtRcvPruned 1 0.0
TcpExtTCPPureAcks 104 0.0
TcpExtTCPRcvCollapsed 2 0.0
TcpExtTCPBacklogCoalesce 42 0.0
TcpExtTCPRcvCoalesce 43 0.0
TcpExtTCPChallengeACK 1 0.0
TcpExtTCPFromZeroWindowAdv 42 0.0
TcpExtTCPToZeroWindowAdv 41 0.0
TcpExtTCPWantZeroWindowAdv 13 0.0
TcpExtTCPOrigDataSent 164 0.0
TcpExtTCPDelivered 165 0.0
TcpExtTCPRcvQDrop 1 0.0
In the failing scenarios (TCP -> MPTCP), the involved sockets are
actually plain TCP ones, as fallbacks for passive sockets at 2WHS time
cause the MPTCP listeners to actually create 'plain' TCP sockets.
Similar to commit 218cc166321f ("selftests: mptcp: avoid spurious errors
on disconnect"), the root cause is in the user-space bits: the test
program tries to disconnect as soon as all the pending data has been
spooled, generating an RST. If such option reaches the peer before the
connection has reached the closed status, the TCP socket will report an
error to the user-space, as per protocol specification, causing the
above failure. Note that it looks like this issue got more visible since
the "tcp: receiver changes" series from commit 06baf9bfa6ca ("Merge
branch 'tcp-receiver-changes'").
Address the issue by explicitly waiting for the TCP sockets (-t) to
reach a closed status before performing the disconnect. More precisely,
the test program now waits for plain TCP sockets or TCP subflows in
addition to the MPTCP sockets that were already monitored.
While at it, use 'ss' with '-n' to avoid resolving service names, which
is not needed here.
Fixes: 218cc166321f ("selftests: mptcp: avoid spurious errors on disconnect")
Cc: stable@vger.kernel.org
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250912-net-mptcp-fix-sft-connect-v1-3-d40e77cbbf02@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 14e22b43df25dbd4301351b882486ea38892ae4f upstream.
IO errors were correctly printed to stderr, and propagated up to the
main loop for the server side, but the returned value was ignored. As a
consequence, the program for the listener side was no longer exiting
with an error code in case of IO issues.
Because of that, some issues might not have been seen. But very likely,
most issues either had an effect on the client side, or the file
transfer was not the expected one, e.g. the connection got reset before
the end. Still, it is better to fix this.
The main consequence of this issue is the error that was reported by the
selftests: the received and sent files were different, and the MIB
counters were not printed. Also, when such errors happened during the
'disconnect' tests, the program tried to continue until the timeout.
Now when an IO error is detected, the program exits directly with an
error.
Fixes: 05be5e273c84 ("selftests: mptcp: add disconnect tests")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250912-net-mptcp-fix-sft-connect-v1-2-d40e77cbbf02@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f755be0b1ff429a2ecf709beeb1bcd7abc111c2b upstream.
When the MPTCP DATA FIN have been ACKed, there is no more MPTCP related
metadata to exchange, and all subflows can be safely shutdown.
Before this patch, the subflows were actually terminated at 'close()'
time. That's certainly fine most of the time, but not when the userspace
'shutdown()' a connection, without close()ing it. When doing so, the
subflows were staying in LAST_ACK state on one side -- and consequently
in FIN_WAIT2 on the other side -- until the 'close()' of the MPTCP
socket.
Now, when the DATA FIN have been ACKed, all subflows are shutdown. A
consequence of this is that the TCP 'FIN' flag can be set earlier now,
but the end result is the same. This affects the packetdrill tests
looking at the end of the MPTCP connections, but for a good reason.
Note that tcp_shutdown() will check the subflow state, so no need to do
that again before calling it.
Fixes: 3721b9b64676 ("mptcp: Track received DATA_FIN sequence number and add related helpers")
Cc: stable@vger.kernel.org
Fixes: 16a9a9da1723 ("mptcp: Add helper to process acks of DATA_FIN")
Reviewed-by: Mat Martineau <martineau@kernel.org>
Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250912-net-mptcp-fix-sft-connect-v1-1-d40e77cbbf02@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4351ca3fcb3ffecf12631b4996bf085a2dad0db6 upstream.
We need to increment i_fastreg_wrs before we bail out from
rds_ib_post_reg_frmr().
We have a fixed budget of how many FRWR operations that can be
outstanding using the dedicated QP used for memory registrations and
de-registrations. This budget is enforced by the atomic_t
i_fastreg_wrs. If we bail out early in rds_ib_post_reg_frmr(), we will
"leak" the possibility of posting an FRWR operation, and if that
accumulates, no FRWR operation can be carried out.
Fixes: 1659185fb4d0 ("RDS: IB: Support Fastreg MR (FRMR) memory registration mode")
Fixes: 3a2886cca703 ("net/rds: Keep track of and wait for FRWR segments in use upon shutdown")
Cc: stable@vger.kernel.org
Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Link: https://patch.msgid.link/20250911133336.451212-1-haakon.bugge@oracle.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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__sev_platform_shutdown_locked()
commit 46834d90a9a13549264b9581067d8f746b4b36cc upstream.
When
9770b428b1a2 ("crypto: ccp - Move dev_info/err messages for SEV/SNP init and shutdown")
moved the error messages dumping so that they don't need to be issued by
the callers, it missed the case where __sev_firmware_shutdown() calls
__sev_platform_shutdown_locked() with a NULL argument which leads to
a NULL ptr deref on the shutdown path, during suspend to disk:
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: Oops: 0000 [#1] SMP NOPTI
CPU: 0 UID: 0 PID: 983 Comm: hib.sh Not tainted 6.17.0-rc4+ #1 PREEMPT(voluntary)
Hardware name: Supermicro Super Server/H12SSL-i, BIOS 2.5 09/08/2022
RIP: 0010:__sev_platform_shutdown_locked.cold+0x0/0x21 [ccp]
That rIP is:
00000000000006fd <__sev_platform_shutdown_locked.cold>:
6fd: 8b 13 mov (%rbx),%edx
6ff: 48 8b 7d 00 mov 0x0(%rbp),%rdi
703: 89 c1 mov %eax,%ecx
Code: 74 05 31 ff 41 89 3f 49 8b 3e 89 ea 48 c7 c6 a0 8e 54 a0 41 bf 92 ff ff ff e8 e5 2e 09 e1 c6 05 2a d4 38 00 01 e9 26 af ff ff <8b> 13 48 8b 7d 00 89 c1 48 c7 c6 18 90 54 a0 89 44 24 04 e8 c1 2e
RSP: 0018:ffffc90005467d00 EFLAGS: 00010282
RAX: 00000000ffffff92 RBX: 0000000000000000 RCX: 0000000000000000
^^^^^^^^^^^^^^^^
and %rbx is nice and clean.
Call Trace:
<TASK>
__sev_firmware_shutdown.isra.0
sev_dev_destroy
psp_dev_destroy
sp_destroy
pci_device_shutdown
device_shutdown
kernel_power_off
hibernate.cold
state_store
kernfs_fop_write_iter
vfs_write
ksys_write
do_syscall_64
entry_SYSCALL_64_after_hwframe
Pass in a pointer to the function-local error var in the caller.
With that addressed, suspending the ccp shows the error properly at
least:
ccp 0000:47:00.1: sev command 0x2 timed out, disabling PSP
ccp 0000:47:00.1: SEV: failed to SHUTDOWN error 0x0, rc -110
SEV-SNP: Leaking PFN range 0x146800-0x146a00
SEV-SNP: PFN 0x146800 unassigned, dumping non-zero entries in 2M PFN region: [0x146800 - 0x146a00]
...
ccp 0000:47:00.1: SEV-SNP firmware shutdown failed, rc -16, error 0x0
ACPI: PM: Preparing to enter system sleep state S5
kvm: exiting hardware virtualization
reboot: Power down
Btw, this driver is crying to be cleaned up to pass in a proper I/O
struct which can be used to store information between the different
functions, otherwise stuff like that will happen in the future again.
Fixes: 9770b428b1a2 ("crypto: ccp - Move dev_info/err messages for SEV/SNP init and shutdown")
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Reviewed-by: Ashish Kalra <ashish.kalra@amd.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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