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Current method of checking pointer error is not user friendly.
Especially the __must_check define makes this less intuitive.
Since, libbpf has an API libbpf_get_error() which checks pointer error,
this commit refactors existing pointer error check logic with libbpf.
Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20200516040608.1377876-2-danieltimlee@gmail.com
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When SYNC_STATE_ONLY support was added in commit 05ef983e0d65 ("driver
core: Add device link support for SYNC_STATE_ONLY flag"),
device_link_add() incorrectly skipped adding the new SYNC_STATE_ONLY
device link to the supplier's and consumer's "device link" list.
This causes multiple issues:
- The device link is lost forever from driver core if the caller
didn't keep track of it (caller typically isn't expected to). This is
a memory leak.
- The device link is also never visible to any other code path after
device_link_add() returns.
If we fix the "device link" list handling, that exposes a bunch of
issues.
1. The device link "status" state management code rightfully doesn't
handle the case where a DL_FLAG_MANAGED device link exists between a
supplier and consumer, but the consumer manages to probe successfully
before the supplier. The addition of DL_FLAG_SYNC_STATE_ONLY links break
this assumption. This causes device_links_driver_bound() to throw a
warning when this happens.
Since DL_FLAG_SYNC_STATE_ONLY device links are mainly used for creating
proxy device links for child device dependencies and aren't useful once
the consumer device probes successfully, this patch just deletes
DL_FLAG_SYNC_STATE_ONLY device links once its consumer device probes.
This way, we avoid the warning, free up some memory and avoid
complicating the device links "status" state management code.
2. Creating a DL_FLAG_STATELESS device link between two devices that
already have a DL_FLAG_SYNC_STATE_ONLY device link will result in the
DL_FLAG_STATELESS flag not getting set correctly. This patch also fixes
this.
Lastly, this patch also fixes minor whitespace issues.
Cc: stable@vger.kernel.org
Fixes: 05ef983e0d65 ("driver core: Add device link support for SYNC_STATE_ONLY flag")
Signed-off-by: Saravana Kannan <saravanak@google.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20200519063000.128819-1-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The IOMMU core code has support for deferring the attachment of a domain
to a device. This is needed in kdump kernels where the new domain must
not be attached to a device before the device driver takes it over.
When the AMD IOMMU driver got converted to use the dma-iommu
implementation, the deferred attaching got lost. The code in
dma-iommu.c has support for deferred attaching, but it calls into
iommu_attach_device() to actually do it. But iommu_attach_device()
will check if the device should be deferred in it code-path and do
nothing, breaking deferred attachment.
Move the is_deferred_attach() check out of the attach_device path and
into iommu_group_add_device() to make deferred attaching work from the
dma-iommu code.
Fixes: 795bbbb9b6f8 ("iommu/dma-iommu: Handle deferred devices")
Reported-by: Jerry Snitselaar <jsnitsel@redhat.com>
Suggested-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Tested-by: Jerry Snitselaar <jsnitsel@redhat.com>
Cc: Jerry Snitselaar <jsnitsel@redhat.com>
Cc: Tom Murphy <murphyt7@tcd.ie>
Cc: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20200519130340.14564-1-joro@8bytes.org
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If the mapping address is wrong then we have to release the reference to
it before returning -EINVAL.
Fixes: 088880ddc0b2 ("drm/etnaviv: implement softpin")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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The GC860 has one GPU device which has a 2d and 3d core. In this case
we want to expose perfmon information for both cores.
The driver has one array which contains all possible perfmon domains
with some meta data - doms_meta. Here we can see that for the GC860
two elements of that array are relevant:
doms_3d: is at index 0 in the doms_meta array with 8 perfmon domains
doms_2d: is at index 1 in the doms_meta array with 1 perfmon domain
The userspace driver wants to get a list of all perfmon domains and
their perfmon signals. This is done by iterating over all domains and
their signals. If the userspace driver wants to access the domain with
id 8 the kernel driver fails and returns invalid data from doms_3d with
and invalid offset.
This results in:
Unable to handle kernel paging request at virtual address 00000000
On such a device it is not possible to use the userspace driver at all.
The fix for this off-by-one error is quite simple.
Reported-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Paul Cercueil <paul@crapouillou.net>
Fixes: ed1dd899baa3 ("drm/etnaviv: rework perfmon query infrastructure")
Cc: stable@vger.kernel.org
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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This change fixes crash observed on PM resume. This bug
was introduced in the change made for flash-edu support.
Fixes: a5d53ad26a8b ("mtd: rawnand: brcmnand: Add support for flash-edu for dma transfers")
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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A few known Clevo machines (PC50, PC70, X170) with ALC1220 codec need
the existing quirk for pins for PB51 and co.
Signed-off-by: PeiSen Hou <pshou@realtek.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200519065012.13119-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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In [0] a user reported reproducible tx timeouts on RTL8168f except
PktCntrDisable is set and irq coalescing is enabled.
Realtek told me that they are not aware of any related hw issue on
this chip version, therefore root cause is still unknown. It's not
clear whether the issue affects one or more chip versions in general,
or whether issue is specific to reporter's system.
Due to this level of uncertainty, and due to the fact that I'm aware
of this one report only, let's apply the workaround on net-next only.
After this change setting irq coalescing via ethtool can reliably
avoid the issue on the affected system.
[0] https://bugzilla.kernel.org/show_bug.cgi?id=207205
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Let the compiler decide about inlining, and as confirmed by Eric it's
better to use WRITE_ONCE here to ensure that the descriptor ownership
is transferred to NIC immediately.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Avoid the goto from the rx error handling branch into the else branch,
and in general avoid having the main rx work in the else branch.
In addition ensure proper reverse xmas tree order of variables in the
for loop.
No functional change intended.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert to %pM instead of using custom code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert to %pM instead of using custom code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Christoph Hellwig says:
====================
move the SIOCDELRT and SIOCADDRT compat_ioctl handlers v3
this series moves the compat_ioctl handlers into the protocol handlers,
avoiding the need to override the address space limited as in the current
handler.
Changes since v3:
- moar variable reordering
Changes since v1:
- reorder a bunch of variable declarations
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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To prepare removing the global routing_ioctl hack start lifting the code
into the ipv4 and appletalk ->compat_ioctl handlers. Unlike the existing
handler we don't bother copying in the name - there are no compat issues for
char arrays.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a helper than can be shared with the upcoming compat ioctl handler.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To prepare removing the global routing_ioctl hack start lifting the code
into a newly added ipv6 ->compat_ioctl handler.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Prepare for better compat ioctl handling by moving the user copy out
of ipv6_route_ioctl.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a new action is installed, firstuse field of 'tcf_t' is explicitly set
to 0. Value of zero means "new action, not yet used"; as a packet hits the
action, 'firstuse' is stamped with the current jiffies value.
tcf_tm_dump() should return 0 for firstuse if action has not yet been hit.
Fixes: 48d8ee1694dd ("net sched actions: aggregate dumping of actions timeinfo")
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Roman Mashak <mrv@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Flow control status register not applicable for i225 parts
so clean up the unneeded define.
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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PHY_FORCE_LIMIT definition not in use and could be removed
i225 parts support auto negotiation mechanism
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch coverts one pr_debug() call to hw_dbg() in order to keep log
output aligned with the rest of the driver. hw_dbg() is actually a macro
defined in igc_hw.h that expands to netdev_dbg().
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In igc_dump.c we print log messages using dev_* and pr_* helpers,
generating inconsistent output with the rest of the driver. Since this
is a network device driver, we should preferably use netdev_* helpers
because they append the interface name to the message, helping making
sense out of the logs.
This patch converts all dev_* and pr_* calls to netdev_*.
Quick note about igc_rings_dump(): This function is always called with
valid adapter->netdev so there is not need to check it.
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In igc_ptp.c we print log messages using dev_* helpers, generating
inconsistent output with the rest of the driver. Since this is a network
device driver, we should preferably use netdev_* helpers because they
append the interface name to the message, helping making sense out of
the logs.
This patch converts all dev_* calls to netdev_*.
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In igc_ethtool.c we print log messages using dev_* helpers, generating
inconsistent output with the rest of the driver. Since this is a network
device driver, we should preferably use netdev_* helpers because they
append the interface name to the message, helping making sense the of
the logs.
This patch converts all dev_* calls to netdev_*.
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This function was introduced to allow for different handling of
link up and link down events particularly with regard to the
netif_carrier. The third argument do_carrier allowed the flag to
be left unchanged.
Since then the phylink has introduced an implementation that
completely ignores the third parameter since it never wants to
change the flag and the phylib always sets the third parameter
to true so the flag is always changed.
Therefore the third argument (i.e. do_carrier) is no longer
necessary and can be removed. This also means that the phylib
phy_link_down() function no longer needs its second argument.
Signed-off-by: Doug Berger <opendmb@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduced igc_diag.c and igc_diag.h, these files have the
diagnostics functionality of igc driver. For the time being
these files are being used by ethtool self-test callbacks.
Which mean that eeprom, registers and link self-tests for
ethtool were implemented.
Signed-off-by: Vitaly Lifshits <vitaly.lifshits@intel.com>
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In igc_main.c we print log messages using both dev_* and netdev_*
helpers, generating inconsistent output. Since this is a network device
driver, we should preferably use netdev_* helpers because they append
the interface name to the message, helping making sense out of the logs.
This patch converts all dev_* calls to netdev_*. There is only two
exceptions:
1) calls wihtin igc_probe (net_device has not been registered yet)
2) calls in igc_init_module (module initialization).
It also takes this opportunity to improve some messages.
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Align with other Intel drivers and add ECN support for TSO.
Add NETIF_F_TSO_ECN flag
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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When the nvmem framework is enabled, a nvmem device is created per mtd
device/partition.
It is not uncommon that a device can have multiple mtd devices with
partitions that have the same name. Eg, when there DT overlay is allowed
and the same device with mtd is attached twice.
Under that circumstances, the mtd fails to register due to a name
duplication on the nvmem framework.
With this patch we use the mtdX name instead of the partition name,
which is unique.
[ 8.948991] sysfs: cannot create duplicate filename '/bus/nvmem/devices/Production Data'
[ 8.948992] CPU: 7 PID: 246 Comm: systemd-udevd Not tainted 5.5.0-qtec-standard #13
[ 8.948993] Hardware name: AMD Dibbler/Dibbler, BIOS 05.22.04.0019 10/26/2019
[ 8.948994] Call Trace:
[ 8.948996] dump_stack+0x50/0x70
[ 8.948998] sysfs_warn_dup.cold+0x17/0x2d
[ 8.949000] sysfs_do_create_link_sd.isra.0+0xc2/0xd0
[ 8.949002] bus_add_device+0x74/0x140
[ 8.949004] device_add+0x34b/0x850
[ 8.949006] nvmem_register.part.0+0x1bf/0x640
...
[ 8.948926] mtd mtd8: Failed to register NVMEM device
Fixes: c4dfa25ab307 ("mtd: add support for reading MTD devices via the nvmem API")
Signed-off-by: Ricardo Ribalda Delgado <ribalda@kernel.org>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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This is done by default in the raw NAND core (nand_base.c) but was
missing in the SPI-NAND core. Without these two lines the ecc_strength
and ecc_step_size values are not exported to the user through sysfs.
Fixes: 7529df465248 ("mtd: nand: Add core infrastructure to support SPI NANDs")
Cc: stable@vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity fixes from Mimi Zohar:
"A couple of miscellaneous bug fixes for the integrity subsystem:
IMA:
- Properly modify the open flags in order to calculate the file hash.
- On systems requiring the IMA policy to be signed, the policy is
loaded differently. Don't differentiate between "enforce" and
either "log" or "fix" modes how the policy is loaded.
EVM:
- Two patches to fix an EVM race condition, normally the result of
attempting to load an unsupported hash algorithm.
- Use the lockless RCU version for walking an append only list"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
evm: Fix a small race in init_desc()
evm: Fix RCU list related warnings
ima: Fix return value of ima_write_policy()
evm: Check also if *tfm is an error pointer in init_desc()
ima: Set file->f_mode instead of file->f_flags in ima_calc_file_hash()
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The ST Audio ADCIII is an STDSP24 card plus extension box. With commit
e8a91ae18bdc ("ALSA: ice1712: Add support for STAudio ADCIII") we
enabled the ADCIII ports using the model=staudio option but forgot
this part to ensure the STDSP24 card is initialized properly.
Fixes: e8a91ae18bdc ("ALSA: ice1712: Add support for STAudio ADCIII")
Signed-off-by: Scott Bahling <sbahling@suse.com>
Cc: <stable@vger.kernel.org>
BugLink: https://bugzilla.suse.com/show_bug.cgi?id=1048934
Link: https://lore.kernel.org/r/20200518175728.28766-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
Pull exfat fixes from Namjae Jeon:
- Fix potential memory leak in exfat_find
- Set exfat's splice_write to iter_file_splice_write to fix a splice
failure on direct-opened files
* tag 'for-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
exfat: fix possible memory leak in exfat_find()
exfat: use iter_file_splice_write
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Don't call req->page_done() on each page as we finish filling it with
the data coming from the network. Whilst this might speed up the
application a bit, it's a problem if there's a network failure and the
operation has to be reissued.
If this happens, an oops occurs because afs_readpages_page_done() clears
the pointer to each page it unlocks and when a retry happens, the
pointers to the pages it wants to fill are now NULL (and the pages have
been unlocked anyway).
Instead, wait till the operation completes successfully and only then
release all the pages after clearing any terminal gap (the server can
give us less data than we requested as we're allowed to ask for more
than is available).
KASAN produces a bug like the following, and even without KASAN, it can
oops and panic.
BUG: KASAN: wild-memory-access in _copy_to_iter+0x323/0x5f4
Write of size 1404 at addr 0005088000000000 by task md5sum/5235
CPU: 0 PID: 5235 Comm: md5sum Not tainted 5.7.0-rc3-fscache+ #250
Hardware name: ASUS All Series/H97-PLUS, BIOS 2306 10/09/2014
Call Trace:
memcpy+0x39/0x58
_copy_to_iter+0x323/0x5f4
__skb_datagram_iter+0x89/0x2a6
skb_copy_datagram_iter+0x129/0x135
rxrpc_recvmsg_data.isra.0+0x615/0xd42
rxrpc_kernel_recv_data+0x1e9/0x3ae
afs_extract_data+0x139/0x33a
yfs_deliver_fs_fetch_data64+0x47a/0x91b
afs_deliver_to_call+0x304/0x709
afs_wait_for_call_to_complete+0x1cc/0x4ad
yfs_fs_fetch_data+0x279/0x288
afs_fetch_data+0x1e1/0x38d
afs_readpages+0x593/0x72e
read_pages+0xf5/0x21e
__do_page_cache_readahead+0x128/0x23f
ondemand_readahead+0x36e/0x37f
generic_file_buffered_read+0x234/0x680
new_sync_read+0x109/0x17e
vfs_read+0xe6/0x138
ksys_read+0xd8/0x14d
do_syscall_64+0x6e/0x8a
entry_SYSCALL_64_after_hwframe+0x49/0xb3
Fixes: 196ee9cd2d04 ("afs: Make afs_fs_fetch_data() take a list of pages")
Fixes: 30062bd13e36 ("afs: Implement YFS support in the fs client")
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We currently move it to the io_wqe_manager for execution, but we cannot
safely do so as we may lack some of the state to execute it out of
context. As we cancel work anyway when the ring/task exits, just mark
this request as canceled and io_async_task_func() will do the right
thing.
Fixes: aa96bf8a9ee3 ("io_uring: use io-wq manager as backup task if task is exiting")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The for-loop seems to be redundant, the assignments for indexes
0..2 are being over-written by the last index 3 in the loop. Remove
the loop and use index 3 instead.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200515102226.29819-1-colin.king@canonical.com
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The mwifiex_cfg80211_dump_station() uses static variable for iterating
over a linked list of all associated stations (when the driver is in UAP
role). This has a race condition if .dump_station is called in parallel
for multiple interfaces. This corruption can be triggered by registering
multiple SSIDs and calling, in parallel for multiple interfaces
iw dev <iface> station dump
[16750.719775] Unable to handle kernel paging request at virtual address dead000000000110
...
[16750.899173] Call trace:
[16750.901696] mwifiex_cfg80211_dump_station+0x94/0x100 [mwifiex]
[16750.907824] nl80211_dump_station+0xbc/0x278 [cfg80211]
[16750.913160] netlink_dump+0xe8/0x320
[16750.916827] netlink_recvmsg+0x1b4/0x338
[16750.920861] ____sys_recvmsg+0x7c/0x2b0
[16750.924801] ___sys_recvmsg+0x70/0x98
[16750.928564] __sys_recvmsg+0x58/0xa0
[16750.932238] __arm64_sys_recvmsg+0x28/0x30
[16750.936453] el0_svc_common.constprop.3+0x90/0x158
[16750.941378] do_el0_svc+0x74/0x90
[16750.944784] el0_sync_handler+0x12c/0x1a8
[16750.948903] el0_sync+0x114/0x140
[16750.952312] Code: f9400003 f907f423 eb02007f 54fffd60 (b9401060)
[16750.958583] ---[ end trace c8ad181c2f4b8576 ]---
This patch drops the use of the static iterator, and instead every time
the function is called iterates to the idx-th position of the
linked-list.
It would be better to convert the code not to use linked list for
associated stations storage (since the chip has a limited number of
associated stations anyway - it could just be an array). Such a change
may be proposed in the future. In the meantime this patch can backported
into stable kernels in this simple form.
Fixes: 8baca1a34d4c ("mwifiex: dump station support in uap mode")
Signed-off-by: Pali Rohár <pali@kernel.org>
Acked-by: Ganapathi Bhat <ganapathi.bhat@nxp.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200515075924.13841-1-pali@kernel.org
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There's no need to set SDIO related registers when powering up/down the chip.
Signed-off-by: Kevin Lo <kevlo@kevlo.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200515061153.GA15714@ns.kevlo.org
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Currently ldo_pwr has the LDO25 voltage bits set to zero and then
it is overwritten with the new voltage setting. The assignment
looks incorrect, it should be bit-wise or'ing in the new voltage
setting rather than a direct assignment.
Addresses-Coverity: ("Unused value")
Fixes: 1afb5eb7a00d ("rtw88: 8723d: Add cfg_ldo25 to control LDO25")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200514181329.16292-1-colin.king@canonical.com
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Rename the name of the kernel module for rtw88's core and pci.
Add proper prefix 'rtw88_' to easily recognize them, also can
avoid confusion with other drivers. (ex. r8822be in staging)
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200515052327.31874-8-yhchuang@realtek.com
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remove the unused about pci after extracting chip modules
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200515052327.31874-7-yhchuang@realtek.com
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Make objects about 8723d functions and 8723d tables,
i.e. rtw8723d.o and rtw8723d_table.o, an individual
kernel module called rtw88_8723d.ko.
For 8723d pcie chip, i.e. 8723DE chip, add a chip
entry point module called rtw88_8723de.ko which
will depend on rtw88_8723d.ko and rtwpci.ko.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200515052327.31874-6-yhchuang@realtek.com
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Make objects about 8822b functions and 8822b tables,
i.e. rtw8822b.o and rtw8822b_table.o, an individual
kernel module called rtw88_8822b.ko.
For 8822b pcie chip, i.e. 8822BE chip, add a chip
entry point module called rtw88_8822be.ko which
will depend on rtw88_8822b.ko and rtwpci.ko.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200515052327.31874-5-yhchuang@realtek.com
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Make objects about 8822c functions and 8822c tables,
i.e. rtw8822c.o and rtw8822c_table.o, an individual
kernel module called rtw88_8822c.ko.
For 8822c pcie chip, i.e. 8822CE chip, add a chip
entry point module called rtw88_8822ce.ko which
will depend on rtw88_8822c.ko and rtwpci.ko.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200515052327.31874-4-yhchuang@realtek.com
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In the current design, chip entry points are built into
the pci module. That makes the pci module depend on chips.
According to dependence, once the pci module is loaded,
kernel will load chip functionalities, including those that
may not be currently used.
We plan to split chip entry points from the pci module.
Thence we export pci symbols that will be used in chip
entry point modules.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200515052327.31874-3-yhchuang@realtek.com
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In the current design, various chip functions and tables
are built into rtw88 core. That causes kernel to load its
functionalities even if a chip isn't currently used. We
plan to make each chip's functionalities a separate
kernel module to reduce rtw88 core. And kernel will be
able to load the necessary.
Before extracting chip functionalities, we export symbols
inside rtw88 core which will be used in chip modules.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200515052327.31874-2-yhchuang@realtek.com
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Seven years ago we tried to fix a leak but actually introduced a double
free instead. It was an understandable mistake because the code was a
bit confusing and the free was done in the wrong place. The "skb"
pointer is freed in both _rtl_usb_tx_urb_setup() and _rtl_usb_transmit().
The free belongs _rtl_usb_transmit() instead of _rtl_usb_tx_urb_setup()
and I've cleaned the code up a bit to hopefully make it more clear.
Fixes: 36ef0b473fbf ("rtlwifi: usb: add missing freeing of skbuff")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200513093951.GD347693@mwanda
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mt76 patches for 5.8
* new devices for mt76x0/mt76x2
* mt7615 fixes
* mt7663 fixes
* support for non-offload firmware on mt7663
* hw/sched scan support for mt7663
* mt7615/mt7663 MSI support
* TDLS support
* mt7603/mt7615 rate control fixes
* new driver for mt7915
* wowlan support for mt7663
* suspend/resume support for mt7663
# gpg: Signature made Thu 14 May 2020 01:10:07 PM EEST using DSA key ID 02A76EF5
# gpg: Good signature from "Felix Fietkau <nbd@nbd.name>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 75D1 1A7D 91A7 710F 4900 42EF D77D 141D 02A7 6EF5
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Flushing the EC work while suspended to idle when the EC GPE status
is not set causes some EC wakeup events (notably power button and
lid ones) to be missed after a series of spurious wakeups on the Dell
XPS13 9360 in my office.
If that happens, the machine cannot be woken up from suspend-to-idle
by the power button or lid status change and it needs to be woken up
in some other way (eg. by a key press).
Flushing the EC work only after successful dispatching the EC GPE,
which means that its status has been set, avoids the issue, so change
the code in question accordingly.
Fixes: 7b301750f7f8 ("ACPI: EC: PM: Avoid premature returns from acpi_s2idle_wake()")
Cc: 5.4+ <stable@vger.kernel.org> # 5.4+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Chris Chiu <chiu@endlessm.com>
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The Gigabyte X570 Aorus Xtreme motherboard with ALC1220 codec
requires a similar workaround for Clevo laptops to enforce the
DAC/mixer connection path. Set up a quirk entry for that.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=205275
Signed-off-by: Christian Lachner <gladiac@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200518053844.42743-2-gladiac@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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