Set spec->en_3kpull_low default to true.
Then fillback ALC236 and ALC257 to false.
Additional note: this addresses a regression caused by the previous
fix 69ea4c9d02 ("ALSA: hda/realtek - remove 3k pull low procedure").
The previous workaround was applied too widely without necessity,
which resulted in the pop noise at PM again. This patch corrects the
condition and restores the old behavior for the devices that don't
suffer from the original problem.
Fixes: 69ea4c9d02 ("ALSA: hda/realtek - remove 3k pull low procedure")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217732
Link: https://lore.kernel.org/r/01e212a538fc407ca6edd10b81ff7b05@realtek.com
Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
After we remove a GPIO chip that still has some requested descriptors,
gpiod_free_commit() will fail and we will never put the references to the
GPIO device and the owning module in gpiod_free().
Rework this function to:
- not warn on desc == NULL as this is a use-case on which most free
functions silently return
- put the references to desc->gdev and desc->gdev->owner unconditionally
so that the release callback actually gets called when the remaining
references are dropped by external GPIO users
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
It seems that sysfs interface implicitly relied on the gpiod_free() to
unexport the line. This is logically incorrect as core gpiolib should
not deal with sysfs so instead of restoring it, let's call
gpiod_unexport() from sysfs code.
Fixes: b0ce9ce408 ("gpiolib: Do not unexport GPIO on freeing")
Reported-by: Marek Behún <kabel@kernel.org>
Closes: https://lore.kernel.org/r/20230808102828.4a9eac09@dellmb
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Marek Behún <kabel@kernel.org>
[Bartosz: tweaked the commit message]
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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Merge tag 'nf-23-08-16' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Florisn Westphal says:
====================
These are netfilter fixes for the *net* tree.
First patch resolves a false-positive lockdep splat:
rcu_dereference is used outside of rcu read lock. Let lockdep
validate that the transaction mutex is locked.
Second patch fixes a kdoc warning added in previous PR.
Third patch fixes a memory leak:
The catchall element isn't disabled correctly, this allows
userspace to deactivate the element again. This results in refcount
underflow which in turn prevents memory release. This was always
broken since the feature was added in 5.13.
Patch 4 fixes an incorrect change in the previous pull request:
Adding a duplicate key to a set should work if the duplicate key
has expired, restore this behaviour. All from myself.
Patch #5 resolves an old historic artifact in sctp conntrack:
a 300ms timeout for shutdown_ack. Increase this to 3s. From Xin Long.
Patch #6 fixes a sysctl data race in ipvs, two threads can clobber the
sysctl value, from Sishuai Gong. This is a day-0 bug that predates git
history.
Patches 7, 8 and 9, from Pablo Neira Ayuso, are also followups
for the previous GC rework in nf_tables: The netlink notifier and the
netns exit path must both increment the gc worker seqcount, else worker
may encounter stale (free'd) pointers.
================
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix indentation of a type attribute of IPV6_VTI config entry.
Signed-off-by: Prasad Pandit <pjp@fedoraproject.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Retire some of my email addresses from Kernel activities.
Signed-off-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'ipsec-2023-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:
====================
1) Fix a slab-out-of-bounds read in xfrm_address_filter.
From Lin Ma.
2) Fix the pfkey sadb_x_filter validation.
From Lin Ma.
3) Use the correct nla_policy structure for XFRMA_SEC_CTX.
From Lin Ma.
4) Fix warnings triggerable by bad packets in the encap functions.
From Herbert Xu.
5) Fix some slab-use-after-free in decode_session6.
From Zhengchao Shao.
6) Fix a possible NULL piointer dereference in xfrm_update_ae_params.
Lin Ma.
7) Add a forgotten nla_policy for XFRMA_MTIMER_THRESH.
From Lin Ma.
8) Don't leak offloaded policies.
From Leon Romanovsky.
9) Delete also the offloading part of an acquire state.
From Leon Romanovsky.
Please pull or let me know if there are problems.
There is infrastructure to rewrite return thunks to point to any
random thunk one desires, unwrap that from CALL_THUNKS, which up to
now was the sole user of that.
[ bp: Make the thunks visible on 32-bit and add ifdeffery for the
32-bit builds. ]
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230814121148.775293785@infradead.org
Objtool --rethunk does two things:
- it collects all (tail) call's of __x86_return_thunk and places them
into .return_sites. These are typically compiler generated, but
RET also emits this same.
- it fudges the validation of the __x86_return_thunk symbol; because
this symbol is inside another instruction, it can't actually find
the instruction pointed to by the symbol offset and gets upset.
Because these two things pertained to the same symbol, there was no
pressing need to separate these two separate things.
However, alas, along comes SRSO and more crazy things to deal with
appeared.
The SRSO patch itself added the following symbol names to identify as
rethunk:
'srso_untrain_ret', 'srso_safe_ret' and '__ret'
Where '__ret' is the old retbleed return thunk, 'srso_safe_ret' is a
new similarly embedded return thunk, and 'srso_untrain_ret' is
completely unrelated to anything the above does (and was only included
because of that INT3 vs UD2 issue fixed previous).
Clear things up by adding a second category for the embedded instruction
thing.
Fixes: fb3bd914b3 ("x86/srso: Add a Speculative RAS Overflow mitigation")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230814121148.704502245@infradead.org
vmlinux.o: warning: objtool: srso_untrain_ret() falls through to next function __x86_return_skl()
vmlinux.o: warning: objtool: __x86_return_thunk() falls through to next function __x86_return_skl()
This is because these functions (can) end with CALL, which objtool
does not consider a terminating instruction. Therefore, replace the
INT3 instruction (which is a non-fatal trap) with UD2 (which is a
fatal-trap).
This indicates execution will not continue past this point.
Fixes: fb3bd914b3 ("x86/srso: Add a Speculative RAS Overflow mitigation")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230814121148.637802730@infradead.org
Commit
fb3bd914b3 ("x86/srso: Add a Speculative RAS Overflow mitigation")
reimplemented __x86_return_thunk with a mix of SYM_FUNC_START and
SYM_CODE_END, this is not a sane combination.
Since nothing should ever actually 'CALL' this, make it consistently
CODE.
Fixes: fb3bd914b3 ("x86/srso: Add a Speculative RAS Overflow mitigation")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230814121148.571027074@infradead.org
Return result of b44_writephy() instead of zero to
deal with possible error.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Artem Chernyshev <artem.chernyshev@red-soft.ru>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit abdb1742a3 removed code that clears ctx->username when sec=none, so attempting
to mount with '-o sec=none' now fails with -EACCES. Fix it by adding that logic to the
parsing of the 'sec' option, as well as checking if the mount is using null auth before
setting the username when parsing the 'user' option.
Fixes: abdb1742a3 ("cifs: get rid of mount options string parsing")
Cc: stable@vger.kernel.org
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Recent changes in net-next (commit 759ab1edb5 ("net: store netdevs
in an xarray")) refactored the handling of pre-assigned ifindexes
and let syzbot surface a latent problem in ovs. ovs does not validate
ifindex, making it possible to create netdev ports with negative
ifindex values. It's easy to repro with YNL:
$ ./cli.py --spec netlink/specs/ovs_datapath.yaml \
--do new \
--json '{"upcall-pid": 1, "name":"my-dp"}'
$ ./cli.py --spec netlink/specs/ovs_vport.yaml \
--do new \
--json '{"upcall-pid": "00000001", "name": "some-port0", "dp-ifindex":3,"ifindex":4294901760,"type":2}'
$ ip link show
-65536: some-port0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
link/ether 7a:48:21:ad:0b:fb brd ff:ff:ff:ff:ff:ff
...
Validate the inputs. Now the second command correctly returns:
$ ./cli.py --spec netlink/specs/ovs_vport.yaml \
--do new \
--json '{"upcall-pid": "00000001", "name": "some-port0", "dp-ifindex":3,"ifindex":4294901760,"type":2}'
lib.ynl.NlError: Netlink error: Numerical result out of range
nl_len = 108 (92) nl_flags = 0x300 nl_type = 2
error: -34 extack: {'msg': 'integer out of range', 'unknown': [[type:4 len:36] b'\x0c\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0c\x00\x03\x00\xff\xff\xff\x7f\x00\x00\x00\x00\x08\x00\x01\x00\x08\x00\x00\x00'], 'bad-attr': '.ifindex'}
Accept 0 since it used to be silently ignored.
Fixes: 54c4ef34c4 ("openvswitch: allow specifying ifindex of new interfaces")
Reported-by: syzbot+7456b5dcf65111553320@syzkaller.appspotmail.com
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Aaron Conole <aconole@redhat.com>
Link: https://lore.kernel.org/r/20230814203840.2908710-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Similar to commit 01f4fd2708 ("bonding: Fix incorrect deletion of
ETH_P_8021AD protocol vid from slaves"), we can trigger BUG_ON(!vlan_info)
in unregister_vlan_dev() with the following testcase:
# ip netns add ns1
# ip netns exec ns1 ip link add team1 type team
# ip netns exec ns1 ip link add team_slave type veth peer veth2
# ip netns exec ns1 ip link set team_slave master team1
# ip netns exec ns1 ip link add link team_slave name team_slave.10 type vlan id 10 protocol 802.1ad
# ip netns exec ns1 ip link add link team1 name team1.10 type vlan id 10 protocol 802.1ad
# ip netns exec ns1 ip link set team_slave nomaster
# ip netns del ns1
Add S-VLAN tag related features support to team driver. So the team driver
will always propagate the VLAN info to its slaves.
Fixes: 8ad227ff89 ("net: vlan: add 802.1ad support")
Suggested-by: Ido Schimmel <idosch@idosch.org>
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230814032301.2804971-1-william.xuanziyang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The 54810 does not support c45. The mmd_phy_indirect accesses return
arbirtary values leading to odd behavior like saying it supports EEE
when it doesn't. We also see that reading/writing these non-existent
MMD registers leads to phy instability in some cases.
Fixes: b14995ac25 ("net: phy: broadcom: Add BCM54810 PHY entry")
Signed-off-by: Justin Chen <justin.chen@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/1691901708-28650-1-git-send-email-justin.chen@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Do not allow to insert elements from datapath to objects maps.
Fixes: 8aeff920dc ("netfilter: nf_tables: add stateful object reference to set elements")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Use maybe_get_net() since GC workqueue might race with netns exit path.
Fixes: 5f68718b34 ("netfilter: nf_tables: GC transaction API to avoid race with control plane")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Netlink event path is missing a synchronization point with GC
transactions. Add GC sequence number update to netns release path and
netlink event path, any GC transaction losing race will be discarded.
Fixes: 5f68718b34 ("netfilter: nf_tables: GC transaction API to avoid race with control plane")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
When two threads run proc_do_sync_threshold() in parallel,
data races could happen between the two memcpy():
Thread-1 Thread-2
memcpy(val, valp, sizeof(val));
memcpy(valp, val, sizeof(val));
This race might mess up the (struct ctl_table *) table->data,
so we add a mutex lock to serialize them.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Link: https://lore.kernel.org/netdev/B6988E90-0A1E-4B85-BF26-2DAF6D482433@gmail.com/
Signed-off-by: Sishuai Gong <sishuai.system@gmail.com>
Acked-by: Simon Horman <horms@kernel.org>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Florian Westphal <fw@strlen.de>
In SCTP protocol, it is using the same timer (T2 timer) for SHUTDOWN and
SHUTDOWN_ACK retransmission. However in sctp conntrack the default timeout
value for SCTP_CONNTRACK_SHUTDOWN_ACK_SENT state is 3 secs while it's 300
msecs for SCTP_CONNTRACK_SHUTDOWN_SEND/RECV state.
As Paolo Valerio noticed, this might cause unwanted expiration of the ct
entry. In my test, with 1s tc netem delay set on the NAT path, after the
SHUTDOWN is sent, the sctp ct entry enters SCTP_CONNTRACK_SHUTDOWN_SEND
state. However, due to 300ms (too short) delay, when the SHUTDOWN_ACK is
sent back from the peer, the sctp ct entry has expired and been deleted,
and then the SHUTDOWN_ACK has to be dropped.
Also, it is confusing these two sysctl options always show 0 due to all
timeout values using sec as unit:
net.netfilter.nf_conntrack_sctp_timeout_shutdown_recd = 0
net.netfilter.nf_conntrack_sctp_timeout_shutdown_sent = 0
This patch fixes it by also using 3 secs for sctp shutdown send and recv
state in sctp conntrack, which is also RTO.initial value in SCTP protocol.
Note that the very short time value for SCTP_CONNTRACK_SHUTDOWN_SEND/RECV
was probably used for a rare scenario where SHUTDOWN is sent on 1st path
but SHUTDOWN_ACK is replied on 2nd path, then a new connection started
immediately on 1st path. So this patch also moves from SHUTDOWN_SEND/RECV
to CLOSE when receiving INIT in the ORIGINAL direction.
Fixes: 9fb9cbb108 ("[NETFILTER]: Add nf_conntrack subsystem.")
Reported-by: Paolo Valerio <pvalerio@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
nftables selftests fail:
run-tests.sh testcases/sets/0044interval_overlap_0
Expected: 0-2 . 0-3, got:
W: [FAILED] ./testcases/sets/0044interval_overlap_0: got 1
Insertion must ignore duplicate but expired entries.
Moreover, there is a strange asymmetry in nft_pipapo_activate:
It refetches the current element, whereas the other ->activate callbacks
(bitmap, hash, rhash, rbtree) use elem->priv.
Same for .remove: other set implementations take elem->priv,
nft_pipapo_remove fetches elem->priv, then does a relookup,
remove this.
I suspect this was the reason for the change that prompted the
removal of the expired check in pipapo_get() in the first place,
but skipping exired elements there makes no sense to me, this helper
is used for normal get requests, insertions (duplicate check)
and deactivate callback.
In first two cases expired elements must be skipped.
For ->deactivate(), this gets called for DELSETELEM, so it
seems to me that expired elements should be skipped as well, i.e.
delete request should fail with -ENOENT error.
Fixes: 24138933b9 ("netfilter: nf_tables: don't skip expired elements during walk")
Signed-off-by: Florian Westphal <fw@strlen.de>
When flushing, individual set elements are disabled in the next
generation via the ->flush callback.
Catchall elements are not disabled. This is incorrect and may lead to
double-deactivations of catchall elements which then results in memory
leaks:
WARNING: CPU: 1 PID: 3300 at include/net/netfilter/nf_tables.h:1172 nft_map_deactivate+0x549/0x730
CPU: 1 PID: 3300 Comm: nft Not tainted 6.5.0-rc5+ #60
RIP: 0010:nft_map_deactivate+0x549/0x730
[..]
? nft_map_deactivate+0x549/0x730
nf_tables_delset+0xb66/0xeb0
(the warn is due to nft_use_dec() detecting underflow).
Fixes: aaa31047a6 ("netfilter: nftables: add catch-all set element support")
Reported-by: lonial con <kongln9170@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Jakub Kicinski says:
We've got some new kdoc warnings here:
net/netfilter/nft_set_pipapo.c:1557: warning: Function parameter or member '_set' not described in 'pipapo_gc'
net/netfilter/nft_set_pipapo.c:1557: warning: Excess function parameter 'set' description in 'pipapo_gc'
include/net/netfilter/nf_tables.h:577: warning: Function parameter or member 'dead' not described in 'nft_set'
Fixes: 5f68718b34 ("netfilter: nf_tables: GC transaction API to avoid race with control plane")
Fixes: f6c383b8c3 ("netfilter: nf_tables: adapt set backend to use GC transaction API")
Reported-by: Jakub Kicinski <kuba@kernel.org>
Closes: https://lore.kernel.org/netdev/20230810104638.746e46f1@kernel.org/
Signed-off-by: Florian Westphal <fw@strlen.de>
Since platform_get_irq() never returned zero, so it need not to check
whether it returned zero, and we use the return error code of
platform_get_irq() to replace the current return error code.
Please refer to the commit a85a6c86c2 ("driver core: platform: Clarify
that IRQ 0 is invalid") to get that platform_get_irq() never returned
zero.
Signed-off-by: Zhu Wang <wangzhu9@huawei.com>
Signed-off-by: Helge Deller <deller@gmx.de>
The driver depends on CONFIG_OF, it is not necessary to use
of_match_ptr() here.
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Signed-off-by: Helge Deller <deller@gmx.de>
These declarations is never implemented since the beginning of git history.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Helge Deller <deller@gmx.de>
- Fix TLB ptlock checks to not break lightweight spinlock checks
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Merge tag 'parisc-for-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fix from Helge Deller:
"Fix the parisc TLB ptlock checks so that they can be enabled together
with the lightweight spinlock checks"
* tag 'parisc-for-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix CONFIG_TLB_PTLOCK to work with lightweight spinlock checks
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Merge tag '6.5-rc6-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
"Three smb client fixes, all for stable:
- fix for oops in unmount race with lease break of deferred close
- debugging improvement for reconnect
- fix for fscache deadlock (folio_wait_bit_common hang)"
* tag '6.5-rc6-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb3: display network namespace in debug information
cifs: Release folio lock on fscache read hit.
cifs: fix potential oops in cifs_oplock_break
A couple of small, driver specific fixes - one incorrect definition for
one of the Qualcomm regulators and better handling of poorly formed DTs
in the DA9063 driver.
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Merge tag 'regulator-fix-v6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"Two small driver specific fixes: one incorrect definition for one of
the Qualcomm regulators and better handling of poorly formed DTs in
the DA9063 driver"
* tag 'regulator-fix-v6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: qcom-rpmh: Fix LDO 12 regulator for PM8550
regulator: da9063: better fix null deref with partial DT
In the real workload, I encountered an issue which could cause the RTO
timer to retransmit the skb per 1ms with linear option enabled. The amount
of lost-retransmitted skbs can go up to 1000+ instantly.
The root cause is that if the icsk_rto happens to be zero in the 6th round
(which is the TCP_THIN_LINEAR_RETRIES value), then it will always be zero
due to the changed calculation method in tcp_retransmit_timer() as follows:
icsk->icsk_rto = min(icsk->icsk_rto << 1, TCP_RTO_MAX);
Above line could be converted to
icsk->icsk_rto = min(0 << 1, TCP_RTO_MAX) = 0
Therefore, the timer expires so quickly without any doubt.
I read through the RFC 6298 and found that the RTO value can be rounded
up to a certain value, in Linux, say TCP_RTO_MIN as default, which is
regarded as the lower bound in this patch as suggested by Eric.
Fixes: 36e31b0af5 ("net: TCP thin linear timeouts")
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A fairly large collection of fixes here, mostly SOF and Intel related.
The one core fix is Hans' change which reduces the log spam when working
out new use cases for DPCM.
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Merge tag 'asoc-fix-v6.5-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.5
A fairly large collection of fixes here, mostly SOF and Intel related.
The one core fix is Hans' change which reduces the log spam when working
out new use cases for DPCM.
The encode_dma() function has some validation on in_trans->size but it
would be more clear to move those checks to find_and_map_user_pages().
The encode_dma() had two checks:
if (in_trans->addr + in_trans->size < in_trans->addr || !in_trans->size)
return -EINVAL;
The in_trans->addr variable is the starting address. The in_trans->size
variable is the total size of the transfer. The transfer can occur in
parts and the resources->xferred_dma_size tracks how many bytes we have
already transferred.
This patch introduces a new variable "remaining" which represents the
amount we want to transfer (in_trans->size) minus the amount we have
already transferred (resources->xferred_dma_size).
I have modified the check for if in_trans->size is zero to instead check
if in_trans->size is less than resources->xferred_dma_size. If we have
already transferred more bytes than in_trans->size then there are negative
bytes remaining which doesn't make sense. If there are zero bytes
remaining to be copied, just return success.
The check in encode_dma() checked that "addr + size" could not overflow
and barring a driver bug that should work, but it's easier to check if
we do this in parts. First check that "in_trans->addr +
resources->xferred_dma_size" is safe. Then check that "xfer_start_addr +
remaining" is safe.
My final concern was that we are dealing with u64 values but on 32bit
systems the kmalloc() function will truncate the sizes to 32 bits. So
I calculated "total = in_trans->size + offset_in_page(xfer_start_addr);"
and returned -EINVAL if it were >= SIZE_MAX. This will not affect 64bit
systems.
Fixes: 129776ac2e ("accel/qaic: Add control path")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Carl Vanderlip <quic_carlv@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/24d3348b-25ac-4c1b-b171-9dae7c43e4e0@moroto.mountain
The temporary buffer storing slicing configuration data from user is only
freed on error. This is a memory leak. Free the buffer unconditionally.
Fixes: ff13be8303 ("accel/qaic: Add datapath")
Signed-off-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Reviewed-by: Carl Vanderlip <quic_carlv@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230802145937.14827-1-quic_jhugo@quicinc.com
just a bunch of bugfixes all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael Tsirkin:
"Just a bunch of bugfixes all over the place"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (26 commits)
virtio-mem: check if the config changed before fake offlining memory
virtio-mem: keep retrying on offline_and_remove_memory() errors in Sub Block Mode (SBM)
virtio-mem: convert most offline_and_remove_memory() errors to -EBUSY
virtio-mem: remove unsafe unplug in Big Block Mode (BBM)
pds_vdpa: fix up debugfs feature bit printing
pds_vdpa: alloc irq vectors on DRIVER_OK
pds_vdpa: clean and reset vqs entries
pds_vdpa: always allow offering VIRTIO_NET_F_MAC
pds_vdpa: reset to vdpa specified mac
virtio-net: Zero max_tx_vq field for VIRTIO_NET_CTRL_MQ_HASH_CONFIG case
vdpa/mlx5: Fix crash on shutdown for when no ndev exists
vdpa/mlx5: Delete control vq iotlb in destroy_mr only when necessary
vdpa/mlx5: Fix mr->initialized semantics
vdpa/mlx5: Correct default number of queues when MQ is on
virtio-vdpa: Fix cpumask memory leak in virtio_vdpa_find_vqs()
vduse: Use proper spinlock for IRQ injection
vdpa: Enable strict validation for netlinks ops
vdpa: Add max vqp attr to vdpa_nl_policy for nlattr length check
vdpa: Add queue index attr to vdpa_nl_policy for nlattr length check
vdpa: Add features attr to vdpa_nl_policy for nlattr length check
...
The failure handling procedure destroys page pools for all queues,
including those that haven't had their page pool created yet. this patch
introduces necessary adjustments to prevent potential risks and
inconsistency with the error handling behavior.
Fixes: 0ebab78cbc ("net: veth: add page_pool for page recycling")
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: Liang Chen <liangchen.linux@gmail.com>
Link: https://lore.kernel.org/r/20230812023016.10553-1-liangchen.linux@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Michal Schmidt says:
====================
octeon_ep: fixes for error and remove paths
I have an Octeon card that's misconfigured in a way that exposes a
couple of bugs in the octeon_ep driver's error paths. It can reproduce
the issues that patches 1 & 4 are fixing. Patches 2 & 3 are a result of
reviewing the nearby code.
====================
Link: https://lore.kernel.org/r/20230810150114.107765-1-mschmidt@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If it fails to get the devices's MAC address, octep_probe exits while
leaving the delayed work intr_poll_task queued. When the work later
runs, it's a use after free.
Move the cancelation of intr_poll_task from octep_remove into
octep_device_cleanup. This does not change anything in the octep_remove
flow, but octep_device_cleanup is called also in the octep_probe error
path, where the cancelation is needed.
Note that the cancelation of ctrl_mbox_task has to follow
intr_poll_task's, because the ctrl_mbox_task may be queued by
intr_poll_task.
Fixes: 24d4333233 ("octeon_ep: poll for control messages")
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Link: https://lore.kernel.org/r/20230810150114.107765-5-mschmidt@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
intr_poll_task may queue ctrl_mbox_task. The function
octep_poll_non_ioq_interrupts_cn93_pf does this.
When removing the driver and canceling these two works, cancel
ctrl_mbox_task last to guarantee it does not run anymore.
Fixes: 24d4333233 ("octeon_ep: poll for control messages")
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Link: https://lore.kernel.org/r/20230810150114.107765-4-mschmidt@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
tx_timeout_task is canceled too early when removing the driver. Nothing
prevents .ndo_tx_timeout from triggering and queuing the work again.
Better cancel it after the netdev is unregistered.
It's harmless for octep_tx_timeout_task to run in the window between the
unregistration and cancelation, because it checks netif_running.
Fixes: 862cd659a6 ("octeon_ep: Add driver framework and device initialization")
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Link: https://lore.kernel.org/r/20230810150114.107765-3-mschmidt@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The intention was to wait up to 500 ms for the mbox response.
The third argument to wait_event_interruptible_timeout() is supposed to
be the timeout duration. The driver mistakenly passed absolute time
instead.
Fixes: 577f0d1b1c ("octeon_ep: add separate mailbox command and response queues")
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230810150114.107765-2-mschmidt@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
On Zynq UltraScale+ MPSoC ubuntu platform when systemctl issues suspend,
network manager bring down the interface and goes into suspend. When it
wakes up it again enables the interface.
This leads to xilinx-psgtr "PLL lock timeout" on interface bringup, as
the power management controller power down the entire FPD (including
SERDES) if none of the FPD devices are in use and serdes is not
initialized on resume.
$ sudo rtcwake -m no -s 120 -v
$ sudo systemctl suspend <this does ifconfig eth1 down>
$ ifconfig eth1 up
xilinx-psgtr fd400000.phy: lane 0 (type 10, protocol 5): PLL lock timeout
phy phy-fd400000.phy.0: phy poweron failed --> -110
macb driver is called in this way:
1. macb_close: Stop network interface. In this function, it
reset MACB IP and disables PHY and network interface.
2. macb_suspend: It is called in kernel suspend flow. But because
network interface has been disabled(netif_running(ndev) is
false), it does nothing and returns directly;
3. System goes into suspend state. Some time later, system is
waken up by RTC wakeup device;
4. macb_resume: It does nothing because network interface has
been disabled;
5. macb_open: It is called to enable network interface again. ethernet
interface is initialized in this API but serdes which is power-off
by PMUFW during FPD-off suspend is not initialized again and so
we hit GT PLL lock issue on open.
To resolve this PLL timeout issue always do PS GTR initialization
when ethernet device is configured as non-wakeup source.
Fixes: f22bd29ba1 ("net: macb: Fix ZynqMP SGMII non-wakeup source resume failure")
Fixes: 8b73fa3ae0 ("net: macb: Added ZynqMP-specific initialization")
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Link: https://lore.kernel.org/r/1691414091-2260697-1-git-send-email-radhey.shyam.pandey@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
svc_tcp_sendmsg used to factor in the xdr->page_base when sending pages,
but commit 5df5dd03a8 ("sunrpc: Use sendmsg(MSG_SPLICE_PAGES) rather
then sendpage") dropped that part of the handling. Fix it by setting
the bv_offset of the first bvec.
Fixes: 5df5dd03a8 ("sunrpc: Use sendmsg(MSG_SPLICE_PAGES) rather then sendpage")
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
iproc_i2c_rd_reg() and iproc_i2c_wr_reg() are called from both
interrupt context (e.g. bcm_iproc_i2c_isr) and process context
(e.g. bcm_iproc_i2c_suspend). Therefore, interrupts should be
disabled to avoid potential deadlock. To prevent this scenario,
use spin_lock_irqsave().
Fixes: 9a10387280 ("i2c: iproc: add NIC I2C support")
Signed-off-by: Chengfeng Ye <dg573847474@gmail.com>
Acked-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Since commit 03c835f498 ("i2c: Switch .probe() to not take an id
parameter") .probe() is the recommended callback to implement (again).
Reflect this in the documentation and don't mention .probe_new() any
more.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Commit 3f9ffce576 ("drm/i915: Do panel VBT init early if the VBT
declares an explicit panel type") started using -1 as the value for
unset panel_type. It gets initialized in intel_panel_init_alloc(), but
the SDVO code never calls it.
Call intel_panel_init_alloc() to initialize the panel, including the
panel_type.
Reported-by: Tomi Leppänen <tomi@tomin.site>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/8896
Fixes: 3f9ffce576 ("drm/i915: Do panel VBT init early if the VBT declares an explicit panel type")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: <stable@vger.kernel.org> # v6.1+
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Tested-by: Tomi Leppänen <tomi@tomin.site>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230803122706.838721-1-jani.nikula@intel.com
(cherry picked from commit 26e60294e8)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This should be done before the soft min/max frequencies are restored.
When we disable the "Ignore efficient frequency" flag, GuC does not
actually bring the requested freq down to RPn.
Specifically, this scenario-
- ignore efficient freq set to true
- reduce min to RPn (from efficient)
- suspend
- resume (includes GuC load, restore soft min/max, restore efficient freq)
- validate min freq has been resored to RPn
This will fail if we didn't first restore(disable, in this case) efficient
freq flag before setting the soft min frequency.
v2: Bring the min freq down to RPn when we disable efficient freq (Rodrigo)
Also made the change to set the min softlimit to RPn at init. Otherwise, we
were storing RPe there.
Link: https://gitlab.freedesktop.org/drm/intel/-/issues/8736
Fixes: 55f9720dbf ("drm/i915/guc/slpc: Provide sysfs for efficient freq")
Fixes: 95ccf312a1 ("drm/i915/guc/slpc: Allow SLPC to use efficient frequency")
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230726010044.3280402-1-vinay.belgaumkar@intel.com
(cherry picked from commit 28e671114f)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
