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Initialise the variables to NULL so that they cannot be uninitialised
when devm_kfree is called.
Found by static analysis.
Fixes: 8c4c216db8 ("ALSA: hda: cs35l41: Add config table to support many laptops without _DSD")
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20231219162232.790358-2-sbinding@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Quite a big collection of fixes, as ever mostly in drivers. There's one
framework fix for the HDMI CODEC where it wasn't handling startup
properly for some controllers, and one new x86 quirk, but otherwise all
local fixes or dropping things we don't want to see in a release.
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Merge tag 'asoc-fix-v6.7-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.7
Quite a big collection of fixes, as ever mostly in drivers. There's one
framework fix for the HDMI CODEC where it wasn't handling startup
properly for some controllers, and one new x86 quirk, but otherwise all
local fixes or dropping things we don't want to see in a release.
Trying to suspend to RAM on SAMA5D27 EVK leads to the following lockdep
warning:
============================================
WARNING: possible recursive locking detected
6.7.0-rc5-wt+ #532 Not tainted
--------------------------------------------
sh/92 is trying to acquire lock:
c3cf306c (&irq_desc_lock_class){-.-.}-{2:2}, at: __irq_get_desc_lock+0xe8/0x100
but task is already holding lock:
c3d7c46c (&irq_desc_lock_class){-.-.}-{2:2}, at: __irq_get_desc_lock+0xe8/0x100
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&irq_desc_lock_class);
lock(&irq_desc_lock_class);
*** DEADLOCK ***
May be due to missing lock nesting notation
6 locks held by sh/92:
#0: c3aa0258 (sb_writers#6){.+.+}-{0:0}, at: ksys_write+0xd8/0x178
#1: c4c2df44 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x138/0x284
#2: c32684a0 (kn->active){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x148/0x284
#3: c232b6d4 (system_transition_mutex){+.+.}-{3:3}, at: pm_suspend+0x13c/0x4e8
#4: c387b088 (&dev->mutex){....}-{3:3}, at: __device_suspend+0x1e8/0x91c
#5: c3d7c46c (&irq_desc_lock_class){-.-.}-{2:2}, at: __irq_get_desc_lock+0xe8/0x100
stack backtrace:
CPU: 0 PID: 92 Comm: sh Not tainted 6.7.0-rc5-wt+ #532
Hardware name: Atmel SAMA5
unwind_backtrace from show_stack+0x18/0x1c
show_stack from dump_stack_lvl+0x34/0x48
dump_stack_lvl from __lock_acquire+0x19ec/0x3a0c
__lock_acquire from lock_acquire.part.0+0x124/0x2d0
lock_acquire.part.0 from _raw_spin_lock_irqsave+0x5c/0x78
_raw_spin_lock_irqsave from __irq_get_desc_lock+0xe8/0x100
__irq_get_desc_lock from irq_set_irq_wake+0xa8/0x204
irq_set_irq_wake from atmel_gpio_irq_set_wake+0x58/0xb4
atmel_gpio_irq_set_wake from irq_set_irq_wake+0x100/0x204
irq_set_irq_wake from gpio_keys_suspend+0xec/0x2b8
gpio_keys_suspend from dpm_run_callback+0xe4/0x248
dpm_run_callback from __device_suspend+0x234/0x91c
__device_suspend from dpm_suspend+0x224/0x43c
dpm_suspend from dpm_suspend_start+0x9c/0xa8
dpm_suspend_start from suspend_devices_and_enter+0x1e0/0xa84
suspend_devices_and_enter from pm_suspend+0x460/0x4e8
pm_suspend from state_store+0x78/0xe4
state_store from kernfs_fop_write_iter+0x1a0/0x284
kernfs_fop_write_iter from vfs_write+0x38c/0x6f4
vfs_write from ksys_write+0xd8/0x178
ksys_write from ret_fast_syscall+0x0/0x1c
Exception stack(0xc52b3fa8 to 0xc52b3ff0)
3fa0: 00000004 005a0ae8 00000001 005a0ae8 00000004 00000001
3fc0: 00000004 005a0ae8 00000001 00000004 00000004 b6c616c0 00000020 0059d190
3fe0: 00000004 b6c61678 aec5a041 aebf1a26
This warning is raised because pinctrl-at91-pio4 uses chained IRQ. Whenever
a wake up source configures an IRQ through irq_set_irq_wake, it will
lock the corresponding IRQ desc, and then call irq_set_irq_wake on "parent"
IRQ which will do the same on its own IRQ desc, but since those two locks
share the same class, lockdep reports this as an issue.
Fix lockdep false positive by setting a different class for parent and
children IRQ
Fixes: 776180848b ("pinctrl: introduce driver for Atmel PIO4 controller")
Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
Link: https://lore.kernel.org/r/20231215-lockdep_warning-v1-1-8137b2510ed5@bootlin.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Update the constant names for unused USB PIDs (product identifiers) to
reflect the new products now using the PIDs.
Signed-off-by: Mark Glover <mark.glover@actisense.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
This reverts commit 3dec89b14d.
The commit has some race conditions given how expires is managed on a
fib6_info in relation to gc start, adding the entry to the gc list and
setting the timer value leading to UAF. Revert the commit and try again
in a later release.
Fixes: 3dec89b14d ("net/ipv6: Remove expired routes with a separated list of routes")
Cc: Kui-Feng Lee <thinker.li@gmail.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20231219030243.25687-1-dsahern@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-12-18 (ice)
This series contains updates to ice driver only.
Jakes stops clearing of needed aggregator information.
Dave adds a check for LAG device support before initializing the
associated event handler.
Larysa restores accounting of XDP queues in TC configurations.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
ice: Fix PF with enabled XDP going no-carrier after reset
ice: alter feature support check for SRIOV and LAG
ice: stop trashing VF VSI aggregator node ID information
====================
Link: https://lore.kernel.org/r/20231218192708.3397702-1-anthony.l.nguyen@intel.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Xen only supports modern CPUs even when running a 32-bit kernel, and it now
requires a kernel built for a 64 byte (or larger) cache line:
In file included from <command-line>:
In function 'xen_vcpu_setup',
inlined from 'xen_vcpu_setup_restore' at arch/x86/xen/enlighten.c:111:3,
inlined from 'xen_vcpu_restore' at arch/x86/xen/enlighten.c:141:3:
include/linux/compiler_types.h:435:45: error: call to '__compiletime_assert_287' declared with attribute error: BUILD_BUG_ON failed: sizeof(*vcpup) > SMP_CACHE_BYTES
arch/x86/xen/enlighten.c:166:9: note: in expansion of macro 'BUILD_BUG_ON'
166 | BUILD_BUG_ON(sizeof(*vcpup) > SMP_CACHE_BYTES);
| ^~~~~~~~~~~~
Enforce the dependency with a whitelist of CPU configurations. In normal
distro kernels, CONFIG_X86_GENERIC is enabled, and this works fine. When this
is not set, still allow Xen to be built on kernels that target a 64-bit
capable CPU.
Fixes: db2832309a ("x86/xen: fix percpu vcpu_info allocation")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Tested-by: Alyssa Ross <hi@alyssa.is>
Link: https://lore.kernel.org/r/20231204084722.3789473-1-arnd@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
GCC seems to incorrectly fail to evaluate skb_ext_total_length() at
compile time under certain conditions.
The issue even occurs if all values in skb_ext_type_len[] are "0",
ruling out the possibility of an actual overflow.
As the patch has been in mainline since v6.6 without triggering the
problem it seems to be a very uncommon occurrence.
As the issue only occurs when -fno-tree-loop-im is specified as part of
CFLAGS_GCOV, disable the BUILD_BUG_ON() only when building with coverage
reporting enabled.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312171924.4FozI5FG-lkp@intel.com/
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/lkml/487cfd35-fe68-416f-9bfd-6bb417f98304@app.fastmail.com/
Fixes: 5d21d0a65b ("net: generalize calculation of skb extensions length")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20231218-net-skbuff-build-bug-v1-1-eefc2fb0a7d3@weissschuh.net
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
In order to avoid a NULL pointer dereference, check entry->buf pointer before running
skb_free_frag in mtk_wed_wo_queue_tx_clean routine.
Fixes: 799684448e ("net: ethernet: mtk_wed: introduce wed wo support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/3c1262464d215faa8acebfc08869798c81c96f4a.1702827359.git.lorenzo@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Only the posix timer system calls use this (when the posix timer support
is disabled, which does not actually happen in any normal case), because
they had debug code to print out a warning about missing system calls.
Get rid of that special case, and just use the standard COND_SYSCALL
interface that creates weak system call stubs that return -ENOSYS for
when the system call does not exist.
This fixes a kCFI issue with the SYS_NI() hackery:
CFI failure at int80_emulation+0x67/0xb0 (target: sys_ni_posix_timers+0x0/0x70; expected type: 0xb02b34d9)
WARNING: CPU: 0 PID: 48 at int80_emulation+0x67/0xb0
Reported-by: kernel test robot <oliver.sang@intel.com>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Tested-by: Sami Tolvanen <samitolvanen@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag '6.7-rc6-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- two multichannel reconnect fixes, one fixing an important refcounting
problem that can lead to umount problems
- atime fix
- five fixes for various potential OOB accesses, including a CVE fix,
and two additional fixes for problems pointed out by Robert Morris's
fuzzing investigation
* tag '6.7-rc6-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: do not let cifs_chan_update_iface deallocate channels
cifs: fix a pending undercount of srv_count
fs: cifs: Fix atime update check
smb: client: fix potential OOB in smb2_dump_detail()
smb: client: fix potential OOB in cifs_dump_detail()
smb: client: fix OOB in smbCalcSize()
smb: client: fix OOB in SMB2_query_info_init()
smb: client: fix OOB in cifsd when receiving compounded resps
- Fix virtual vs physical address confusion in Storage Class Memory
(SCM) block device driver.
- Fix saving and restoring of FPU kernel context, which could lead
to corruption of vector registers 8-15.
- Update defconfigs.
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Merge tag 's390-6.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:
- Fix virtual vs physical address confusion in Storage Class Memory
(SCM) block device driver.
- Fix saving and restoring of FPU kernel context, which could lead to
corruption of vector registers 8-15
- Update defconfigs
* tag 's390-6.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: update defconfigs
s390/vx: fix save/restore of fpu kernel context
s390/scm: fix virtual vs physical address confusion
There are only a handful of bugfixes this time, which feels almost too
small, so I hope we are not missing something important.
- One more mediatek dts warning fix after the previous larger set,
this should finally result in a clean defconfig build.
- TI OMAP dts fixes for a spurious hang on am335x and invalid data on DTA7
- One DTS fix for ethernet on Oriange Pi Zero (Allwinner H616)
- A regression fix for ti-sysc interconnect target module driver to
not access registers after reset if srst_udelay quirk is needed
- Reset controller driver fixes for a crash during error handling and
a build warning
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Merge tag 'soc-fixes-6.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"There are only a handful of bugfixes this time, which feels almost too
small, so I hope we are not missing something important.
- One more mediatek dts warning fix after the previous larger set,
this should finally result in a clean defconfig build.
- TI OMAP dts fixes for a spurious hang on am335x and invalid data on
DTA7
- One DTS fix for ethernet on Oriange Pi Zero (Allwinner H616)
- A regression fix for ti-sysc interconnect target module driver to
not access registers after reset if srst_udelay quirk is needed
- Reset controller driver fixes for a crash during error handling and
a build warning"
* tag 'soc-fixes-6.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: dts: mediatek: mt8395-genio-1200-evk: add interrupt-parent for mt6360
ARM: dts: Fix occasional boot hang for am3 usb
reset: Fix crash when freeing non-existent optional resets
ARM: OMAP2+: Fix null pointer dereference and memory leak in omap_soc_device_init
ARM: dts: dra7: Fix DRA7 L3 NoC node register size
bus: ti-sysc: Flush posted write only after srst_udelay
reset: hisilicon: hi6220: fix Wvoid-pointer-to-enum-cast warning
arm64: dts: allwinner: h616: update emac for Orange Pi Zero 3
Fixes:
- Fan reporting on some ThinkPads
- Laptop 13 spurious keypresses while suspended
- Intel PMC correction to avoid crash
The following is an automated shortlog grouped by driver:
amd/pmc:
- Disable keyboard wakeup on AMD Framework 13
- Move keyboard wakeup disablement detection to pmc-quirks
- Move platform defines to header
- Only run IRQ1 firmware version check on Cezanne
intel/pmc:
- Fix hang in pmc_core_send_ltr_ignore()
thinkpad_acpi:
- fix for incorrect fan reporting on some ThinkPad systems
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Merge tag 'platform-drivers-x86-v6.7-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers fixes from Ilpo Järvinen:
- Fan reporting on some ThinkPads
- Laptop 13 spurious keypresses while suspended
- Intel PMC correction to avoid crash
* tag 'platform-drivers-x86-v6.7-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/amd/pmc: Disable keyboard wakeup on AMD Framework 13
platform/x86/amd/pmc: Move keyboard wakeup disablement detection to pmc-quirks
platform/x86/amd/pmc: Only run IRQ1 firmware version check on Cezanne
platform/x86/amd/pmc: Move platform defines to header
platform/x86/intel/pmc: Fix hang in pmc_core_send_ltr_ignore()
platform/x86: thinkpad_acpi: fix for incorrect fan reporting on some ThinkPad systems
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Merge tag 'ovl-fixes-6.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs
Pull overlayfs fix from Amir Goldstein:
"Fix a regression from this merge window"
* tag 'ovl-fixes-6.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
ovl: fix dentry reference leak after changes to underlying layers
- Fix a deadlock in the data move path with nocow locks (vs. update in
place writes); when trylock failed we were incorrectly waiting for in
flight ios to flush.
- Fix reporting of NFS file handle length
- Fix early error path in bch2_fs_alloc() - list head wasn't being
initialized early enough
- Make sure correct (hardware accelerated) crc modules get loaded
- Fix a rare overflow in the btree split path, when the packed bkey
format grows and all the keys have no value (LRU btree).
- Fix error handling in the sector allocator
This was causing writes to spuriously fail in multidevice setups, and
another bug meant that the errors weren't being logged, only reported
via fsync.
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Merge tag 'bcachefs-2023-12-19' of https://evilpiepirate.org/git/bcachefs
Pull more bcachefs fixes from Kent Overstreet:
- Fix a deadlock in the data move path with nocow locks (vs. update in
place writes); when trylock failed we were incorrectly waiting for in
flight ios to flush.
- Fix reporting of NFS file handle length
- Fix early error path in bch2_fs_alloc() - list head wasn't being
initialized early enough
- Make sure correct (hardware accelerated) crc modules get loaded
- Fix a rare overflow in the btree split path, when the packed bkey
format grows and all the keys have no value (LRU btree).
- Fix error handling in the sector allocator
This was causing writes to spuriously fail in multidevice setups, and
another bug meant that the errors weren't being logged, only reported
via fsync.
* tag 'bcachefs-2023-12-19' of https://evilpiepirate.org/git/bcachefs:
bcachefs: Fix bch2_alloc_sectors_start_trans() error handling
bcachefs; guard against overflow in btree node split
bcachefs: btree_node_u64s_with_format() takes nr keys
bcachefs: print explicit recovery pass message only once
bcachefs: improve modprobe support by providing softdeps
bcachefs: fix invalid memory access in bch2_fs_alloc() error path
bcachefs: Fix determining required file handle length
bcachefs: Fix nocow locks deadlock
should have been merged along with recent v6.7-rc6 MD fixes (see MD
related commits: f2d87a759f68^..b39113349de6)
- DM integrity target fix to avoid modifying immutable biovec in the
integrity_metadata() edge case where kmalloc fails.
- Fix drivers/md/Kconfig so DM_AUDIT depends on BLK_DEV_DM.
- Update DM entry in MAINTAINERS to remove stale info.
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Merge tag 'dm-6.7/dm-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- DM raid target (and MD raid) fix for reconfig_mutex MD deadlock that
should have been merged along with recent v6.7-rc6 MD fixes (see MD
related commits: f2d87a759f68^..b39113349de6)
- DM integrity target fix to avoid modifying immutable biovec in the
integrity_metadata() edge case where kmalloc fails.
- Fix drivers/md/Kconfig so DM_AUDIT depends on BLK_DEV_DM.
- Update DM entry in MAINTAINERS to remove stale info.
* tag 'dm-6.7/dm-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
MAINTAINERS: remove stale info for DEVICE-MAPPER
dm audit: fix Kconfig so DM_AUDIT depends on BLK_DEV_DM
dm-integrity: don't modify bio's immutable bio_vec in integrity_metadata()
dm-raid: delay flushing event_work() after reconfig_mutex is released
scripts/kernel-doc warns about using @args: for variadic arguments to
functions. Documentation/doc-guide/kernel-doc.rst says that this should
be written as @...: instead, so update the source code to match that,
preventing the warnings.
trace_events_synth.c:1165: warning: Excess function parameter 'args' description in '__synth_event_gen_cmd_start'
trace_events_synth.c:1714: warning: Excess function parameter 'args' description in 'synth_event_trace'
Link: https://lore.kernel.org/linux-trace-kernel/20231220061226.30962-1-rdunlap@infradead.org
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Fixes: 35ca5207c2 ("tracing: Add synthetic event command generation functions")
Fixes: 8dcc53ad95 ("tracing: Add synth_event_trace() and related functions")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
A fix for occasional boot hang for am335x USB that I've only recently
started noticing.
This can be merged naturally whenever suitable. This issue has been seen
with other similar SoCs earlier and has clearly existed for a long time.
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Merge tag 'am3-usb-hang-fix-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fix for occasional boot hang for am335x USB
A fix for occasional boot hang for am335x USB that I've only recently
started noticing.
This can be merged naturally whenever suitable. This issue has been seen
with other similar SoCs earlier and has clearly existed for a long time.
* tag 'am3-usb-hang-fix-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: Fix occasional boot hang for am3 usb
Link: https://lore.kernel.org/r/pull-1703071616-395333@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Commit 1fa3df901f ("pinctrl: cy8c95x0: Remove custom ->set_config()")
removed support for PIN_CONFIG_INPUT_ENABLE and
PIN_CONFIG_OUTPUT.
Add the following options to restore functionality:
- PIN_CONFIG_INPUT_ENABLE
- PIN_CONFIG_OUTPUT_ENABLE
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Link: https://lore.kernel.org/r/20231219125120.4028862-2-patrick.rudolph@9elements.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
In the afs dynamic root directory, the ->lookup() function does a DNS check
on the cell being asked for and if the DNS upcall reports an error it will
report an error back to userspace (typically ENOENT).
However, if a failed DNS upcall returns a new-style result, it will return
a valid result, with the status field set appropriately to indicate the
type of failure - and in that case, dns_query() doesn't return an error and
we let stat() complete with no error - which can cause confusion in
userspace as subsequent calls that trigger d_automount then fail with
ENOENT.
Fix this by checking the status result from a valid dns_query() and
returning an error if it indicates a failure.
Fixes: bbb4c4323a ("dns: Allow the dns resolver to retrieve a server set")
Reported-by: Markus Suvanto <markus.suvanto@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=216637
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Markus Suvanto <markus.suvanto@gmail.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Fix the afs dynamic root's d_delete function to always delete unused
dentries rather than only deleting them if they're positive. With things
as they stand upstream, negative dentries stemming from failed DNS lookups
stick around preventing retries.
Fixes: 66c7e1d319 ("afs: Split the dynroot stuff out and give it its own ops tables")
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Markus Suvanto <markus.suvanto@gmail.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
The driver should continue get the timestamp if STMMAC_FLAG_EXT_SNAPSHOT_EN
flag is set.
Fixes: aa5513f5d9 ("net: stmmac: replace the ext_snapshot_en field with a flag")
Cc: <stable@vger.kernel.org> # 6.6
Signed-off-by: Song Yoong Siang <yoong.siang.song@intel.com>
Signed-off-by: Lai Peter Jun Ann <jun.ann.lai@intel.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Add encryption key size check when acting as peripheral
- Shut up false-positive build warning
- Send reject if L2CAP command request is corrupted
- Fix Use-After-Free in bt_sock_recvmsg
- Fix not notifying when connection encryption changes
- Fix not checking if HCI_OP_INQUIRY has been sent
- Fix address type send over to the MGMT interface
- Fix deadlock in vhci_send_frame
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Merge tag 'for-net-2023-12-15' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Luiz Augusto von Dentz says:
====================
bluetooth pull request for net:
- Add encryption key size check when acting as peripheral
- Shut up false-positive build warning
- Send reject if L2CAP command request is corrupted
- Fix Use-After-Free in bt_sock_recvmsg
- Fix not notifying when connection encryption changes
- Fix not checking if HCI_OP_INQUIRY has been sent
- Fix address type send over to the MGMT interface
- Fix deadlock in vhci_send_frame
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When we fail to allocate because of insufficient open buckets, we don't
want to retry from the full set of devices - we just want to retry in
blocking mode.
But if the retry in blocking mode fails with a different error code, we
end up squashing the -BCH_ERR_open_buckets_empty error with an error
that makes us thing we won't be able to allocate (insufficient_devices)
- which is incorrect when we didn't try to allocate from the full set of
devices, and causes the write to fail.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Some masters may drive the transfers with low enough latency between
the nak/stop phase of the current command and the start/address phase
of the following command that the interrupts are coalesced by the
time we process them.
Handle the stop conditions before processing SLAVE_MATCH to fix the
complaints that sometimes occur below.
"aspeed-i2c-bus 1e78a040.i2c-bus: irq handled != irq. Expected
0x00000086, but was 0x00000084"
Fixes: f9eb91350b ("i2c: aspeed: added slave support for Aspeed I2C driver")
Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
the nvme_handle_cqe() interrupt handler calls nvme_complete_async_event()
but the latter may call nvme_auth_stop() which is a blocking function.
Sleeping functions can't be called in interrupt context
BUG: sleeping function called from invalid context
in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/15
Call Trace:
<IRQ>
__cancel_work_timer+0x31e/0x460
? nvme_change_ctrl_state+0xcf/0x3c0 [nvme_core]
? nvme_change_ctrl_state+0xcf/0x3c0 [nvme_core]
nvme_complete_async_event+0x365/0x480 [nvme_core]
nvme_poll_cq+0x262/0xe50 [nvme]
Fix the bug by moving nvme_auth_stop() to fw_act_work
(executed by the nvme_wq workqueue)
Fixes: f50fff73d6 ("nvme: implement In-Band authentication")
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Idle bo's PTE needs to be re-created when resetting VM state machine.
Set idle bo's vm_bo as moved to mark it as invalid.
Fixes: 55bf196f60 ("drm/amdgpu: reset VM when an error is detected")
Signed-off-by: ZhenGuo Yin <zhenguo.yin@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
While working on the ring buffer, I found one more bug with the timestamp
code, and the fix for this removed the need for the final 64-bit cmpxchg!
The ring buffer events hold a "delta" from the previous event. If it is
determined that the delta can not be calculated, it falls back to adding an
absolute timestamp value. The way to know if the delta can be used is via
two stored timestamps in the per-cpu buffer meta data:
before_stamp and write_stamp
The before_stamp is written by every event before it tries to allocate its
space on the ring buffer. The write_stamp is written after it allocates its
space and knows that nothing came in after it read the previous
before_stamp and write_stamp and the two matched.
A previous fix dd93942570 ("ring-buffer: Do not try to put back
write_stamp") removed putting back the write_stamp to match the
before_stamp so that the next event could use the delta, but races were
found where the two would match, but not be for of the previous event.
It was determined to allow the event reservation to not have a valid
write_stamp when it is finished, and this fixed a lot of races.
The last use of the 64-bit timestamp cmpxchg depended on the write_stamp
being valid after an interruption. But this is no longer the case, as if an
event is interrupted by a softirq that writes an event, and that event gets
interrupted by a hardirq or NMI and that writes an event, then the softirq
could finish its reservation without a valid write_stamp.
In the slow path of the event reservation, a delta can still be used if the
write_stamp is valid. Instead of using a cmpxchg against the write stamp,
the before_stamp needs to be read again to validate the write_stamp. The
cmpxchg is not needed.
This updates the slowpath to validate the write_stamp by comparing it to
the before_stamp and removes all rb_time_cmpxchg() as there are no more
users of that function.
The removal of the 32-bit updates of rb_time_t will be done in the next
merge window.
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Merge tag 'trace-v6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fix from Steven Rostedt:
"While working on the ring buffer, I found one more bug with the
timestamp code, and the fix for this removed the need for the final
64-bit cmpxchg!
The ring buffer events hold a "delta" from the previous event. If it
is determined that the delta can not be calculated, it falls back to
adding an absolute timestamp value. The way to know if the delta can
be used is via two stored timestamps in the per-cpu buffer meta data:
before_stamp and write_stamp
The before_stamp is written by every event before it tries to allocate
its space on the ring buffer. The write_stamp is written after it
allocates its space and knows that nothing came in after it read the
previous before_stamp and write_stamp and the two matched.
A previous fix dd93942570 ("ring-buffer: Do not try to put back
write_stamp") removed putting back the write_stamp to match the
before_stamp so that the next event could use the delta, but races
were found where the two would match, but not be for of the previous
event.
It was determined to allow the event reservation to not have a valid
write_stamp when it is finished, and this fixed a lot of races.
The last use of the 64-bit timestamp cmpxchg depended on the
write_stamp being valid after an interruption. But this is no longer
the case, as if an event is interrupted by a softirq that writes an
event, and that event gets interrupted by a hardirq or NMI and that
writes an event, then the softirq could finish its reservation without
a valid write_stamp.
In the slow path of the event reservation, a delta can still be used
if the write_stamp is valid. Instead of using a cmpxchg against the
write stamp, the before_stamp needs to be read again to validate the
write_stamp. The cmpxchg is not needed.
This updates the slowpath to validate the write_stamp by comparing it
to the before_stamp and removes all rb_time_cmpxchg() as there are no
more users of that function.
The removal of the 32-bit updates of rb_time_t will be done in the
next merge window"
* tag 'trace-v6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ring-buffer: Fix slowpath of interrupted event
[Why]
Driver incorrectly checks if pointer variable OutBpp is null instead of
if the value being pointed to is zero.
[How]
Dereference OutBpp before checking for a value of zero.
Reviewed-by: Chaitanya Dhere <chaitanya.dhere@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Josip Pavic <josip.pavic@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[why & how]
we have two SSC_En:
we get ssc_info from dce_info for MPLL_SSC_EN.
we used to call VBIOS cmdtbl's smu_info's SS persentage for DPRECLK SS info,
is used for DP AUDIO and VBIOS' smu_info table was from systemIntegrationInfoTable.
since dcn35 VBIOS removed smu_info, driver need to use integrationInfotable directly.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why & how]
Refactor dc_is_dmub_outbox_supported() a bit and add case for dcn35 to
register dmub outbox notification irq to handle usb4 relevant hpd event.
Reviewed-by: Roman Li <roman.li@amd.com>
Reviewed-by: Jun Lei <jun.lei@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
There have recently been changes that break backwards compatibility,
that were introduced into DMUB firmware (for DCN32x) concerning FPO and
SubVP. So, since those are just power optimization features, we can just
disable them unless the user is using a new enough version of DMUB
firmware.
Cc: stable@vger.kernel.org
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2870
Fixes: ed6e2782e9 ("drm/amd/display: For cursor P-State allow for SubVP")
Reported-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Closes: https://lore.kernel.org/r/CABXGCsNRb0QbF2pKLJMDhVOKxyGD6-E+8p-4QO6FOWa6zp22_A@mail.gmail.com/
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
On gfx943 APU there is no VRAM and page migration, queue CWSR area, svm
range with always mapped flag, is not mapped to GPU correctly. This
works fine if retry fault on CWSR area can be recovered, but could cause
deadlock if there is another retry fault recover waiting for CWSR to
finish.
Fix this by mapping svm range with always mapped flag to GPU with ACCESS
attribute if XNACK ON.
There is side effect, because all GPUs have ACCESS attribute by default
on new svm range with XNACK on, the CWSR area will be mapped to all GPUs
after this change. This side effect will be fixed with Thunk change to
set CWSR svm range with ACCESS_IN_PLACE attribute on the GPU that user
queue is created.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Description]
Revert commit fec05adc40 ("drm/amd/display: Use channel_width = 2 for vram table 3.0")
Because the issue is being fixed from VBIOS side.
Reviewed-by: Samson Tam <samson.tam@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The ACPI LPSS driver and the Surface platform driver code use almost the
same code pattern for checking if one ACPI device is present in the list
returned by _DEP for another ACPI device.
To reduce the resulting code duplication, introduce a helper for that
called acpi_device_dep() and invoke it from both places.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Possible deadlock scenario (on reboot):
rk3x_i2c_xfer_common(polling)
-> rk3x_i2c_wait_xfer_poll()
-> rk3x_i2c_irq(0, i2c);
--> spin_lock(&i2c->lock);
...
<rk3x i2c interrupt>
-> rk3x_i2c_irq(0, i2c);
--> spin_lock(&i2c->lock); (deadlock here)
Store the IRQ number and disable/enable it around the polling transfer.
This patch has been tested on NanoPC-T4.
Signed-off-by: Jensen Huang <jensenhuang@friendlyarm.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Add missing clk_disable_unprepare() and geni_se_resources_off() in the error
path in geni_i2c_probe().
Fixes: 14d02fbadb ("i2c: qcom-geni: add desc struct to prepare support for I2C Master Hub variant")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
cifs_chan_update_iface is meant to check and update the server
interface used for a channel when the existing server interface
is no longer available.
So far, this handler had the code to remove an interface entry
even if a new candidate interface is not available. Allowing
this leads to several corner cases to handle.
This change makes the logic much simpler by not deallocating
the current channel interface entry if a new interface is not
found to replace it with.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
