| Commit message (Collapse) | Author | Age | Files | Lines |
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Use the standard print API with dev_*() instead of the old house-baked
one. It gives better information and allows dynamically control of
debug prints.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807133452.9424-10-tiwai@suse.de
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Use the standard print API with dev_*() instead of the old house-baked
one. It gives better information and allows dynamically control of
debug prints.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807133452.9424-9-tiwai@suse.de
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Use the standard print API with dev_*() instead of the old house-baked
one. It gives better information and allows dynamically control of
debug prints.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807133452.9424-8-tiwai@suse.de
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Use the standard print API with dev_*() instead of the old house-baked
one. It gives better information and allows dynamically control of
debug prints.
Some debug prints are cleaned up with a macro, too.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807133452.9424-7-tiwai@suse.de
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Use the standard print API with dev_*() instead of the old house-baked
one. It gives better information and allows dynamically control of
debug prints.
The commented-out debug prints got removed, too.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807133452.9424-6-tiwai@suse.de
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Use the standard print API with dev_*() instead of the old house-baked
one. It gives better information and allows dynamically control of
debug prints.
The assignment of mpu->rmidi was moved to an earlier place, so that
dev_*() can access to the proper device pointer.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807133452.9424-5-tiwai@suse.de
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Use the standard print API with dev_*() instead of the old house-baked
one. It gives better information and allows dynamically control of
debug prints.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807133452.9424-4-tiwai@suse.de
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Use the standard print API with dev_*() instead of the old house-baked
one. It gives better information and allows dynamically control of
debug prints.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807133452.9424-3-tiwai@suse.de
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Use the standard print API with dev_*() instead of the old house-baked
one. It gives better information and allows dynamically control of
debug prints.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807133452.9424-2-tiwai@suse.de
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The recent extension added a new ALSA sequencer port info flag bit
SNDRV_SEQ_PORT_FLG_IS_MIDI1, but it's not reported back when
inquired. Fix it to report properly.
Fixes: 0079c9d1e58a ("ALSA: ump: Handle MIDI 1.0 Function Block in MIDI 2.0 protocol")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807092303.1935-7-tiwai@suse.de
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When a sequencer port assigned to a UMP Group that is specific to MIDI
1.0 among MIDI 2.0 client, mark it explicitly in the proc output, so
that user can see it easily. This is an exceptional case where the
message isn't converted to MIDI 1.0 even if the client is running in
MIDI 2.0 mode.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807092303.1935-6-tiwai@suse.de
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When a FB is created from a GTB instead of UMP FB Info inquiry, we
missed the update of the corresponding UMP Group attributes.
Export the call of updater and let it be called from the USB driver.
Fixes: 0642a3c5cacc ("ALSA: ump: Update substream name from assigned FB names")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807092303.1935-5-tiwai@suse.de
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When a MIDI 1.0 protocol is specified in a GTB entry while others are
set in MIDI 2.0, it should be seen as a legacy MIDI 1.0 port. Since
recently we allow drivers to set a flag SNDRV_UMP_BLOCK_IS_MIDI1 to a
FB for that purpose. This patch tries to set that flag when the
device shows such a configuration.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807092303.1935-4-tiwai@suse.de
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It's valid to give different protocols via multiple GTBs; e.g. a MIDI
1.0 port is embedded in a MIDI 2.0 device that talks with MIDI 2.0
protocol. However, the current driver implementation assumes only a
single protocol over the whole Endpoint, and it can't handle such a
scenario.
This patch changes the driver's behavior to parse GTBs to accept
multiple protocols. Instead of switching to the last given protocol,
it adds the protocol capability bits now. Meanwhile, the default
protocol is chosen by the first given protocol in GTBs.
Practically seen, this should be a minor issue, as new devices should
specify the protocols properly via UMP Endpoint Info messages, so this
is rather just covering a corner case.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807092303.1935-3-tiwai@suse.de
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When the protocol capability bits are changed via Endpoint Info update
notification, we should check the validity of the current protocol and
reset it if needed, too.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807092303.1935-2-tiwai@suse.de
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For an invalid input value that is out of the given range, currently
USB-audio driver corrects the value silently and accepts without
errors. This is no wrong behavior, per se, but the recent kselftest
rather wants to have an error in such a case, hence a different
behavior is expected now.
This patch adds a sanity check at each control put for the standard
mixer types and returns an error if an invalid value is given.
Note that this covers only the standard mixer types. The mixer quirks
that have own control callbacks would need different coverage.
Link: https://patch.msgid.link/20240806124651.28203-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The UMP v1.1 spec says in the section 6.2.1:
"If a UMP Endpoint declares MIDI 2.0 Protocol but a Function Block
represents a MIDI 1.0 connection, then may optionally be used for
messages to/from that Function Block."
It implies that the driver can (and should) keep MIDI 1.0 CVM
exceptionally for those FBs even if UMP Endpoint is running in MIDI
2.0 protocol, and the current driver lacks of it.
This patch extends the sequencer port info to indicate a MIDI 1.0
port, and tries to send/receive MIDI 1.0 CVM as is when this port is
the source or sink. The sequencer port flag is set by the driver at
parsing FBs and GTBs although application can set it to its own
user-space clients, too.
Link: https://patch.msgid.link/20240806070024.14301-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We already have snd_pcm_direction_name(). Let's use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87plqvk51y.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We already have snd_pcm_direction_name(). Let's use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87r0bbk528.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We already have snd_pcm_direction_name(). Let's use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87sevrk52f.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We already have snd_pcm_direction_name(). Let's use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87ttg7k52k.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We already have snd_pcm_direction_name(). Let's use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87v80nk52q.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The recent changes in IOMMU made the non-contiguous page allocations
as default, hence we can simply use the standard DMA allocation for
the S/G pages as well. In this patch, we simplify the code by trying
the standard DMA allocation at first, instead of
dma_alloc_noncontiguous().
For the case without IOMMU, we still need to manage the S/G pages
manually, so we keep the same fallback routines like before.
The fallback types (SNDRV_DMA_TYPE_DEV_SG_FALLBACK & co) are dropped /
folded into SNDRV_DMA_TYPE_DEV_SG and co now. The allocation via the
standard DMA call overrides the type accordingly, hence we don't have
to have extra fallback types any longer. OTOH, SNDRV_DMA_TYPE_DEV_SG
is no longer an alias but became its own type back again.
Note that this patch requires another prerequisite fix for memmalloc
helper to use the DMA API for WC pages on x86.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=219087
Link: https://patch.msgid.link/20240801064808.31205-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The memalloc helper used a house-made code for allocation of WC pages
on x86, since the standard DMA API doesn't cover it well. Meanwhile,
the manually allocated pages won't work together with IOMMU, resulting
in faults, so we should switch to the DMA API in that case, instead.
This patch tries to switch back to DMA API for WC pages on x86, but
with some additional tweaks that are missing.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=219087
Link: https://patch.msgid.link/20240801064808.31205-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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One snd_power_unref() was forgotten and left at __snd_ctl_elem_info()
in the previous change for reorganizing the locking order.
Fixes: fcc62b19104a ("ALSA: control: Take power_ref lock primarily")
Link: https://github.com/thesofproject/linux/pull/5127
Link: https://patch.msgid.link/20240801064203.30284-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The code path for kcontrol accesses have often nested locks of both
card's controls_rwsem and power_ref, and applies in that order.
However, what could take much longer is the latter, power_ref; it
waits for the power state of the device, and it pretty much depends on
the user's action.
This patch swaps the locking order of those locks to a more natural
way, namely, power_ref -> controls_rwsem, in order to shorten the time
of possible nested locks. For consistency, power_ref is taken always
in the top-level caller side (that is, *_user() functions and the
ioctl handler itself).
Link: https://patch.msgid.link/20240729160659.4516-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We want sometimes to keep the runtime PM disabled persistently just
like we did for the PM deny-list in the previous change, e.g. for
testing some buggy device. This patch enhances the existing
pm_blacklist option for achieving it easily.
The default behavior doesn't change -- the driver looks up the deny
list and disables the runtime PM if matches. However, when
pm_blacklist=1 option is set, now the driver disables the runtime PM
completely, just like the deny-list does.
Update the documentation for this option, too.
Link: https://patch.msgid.link/20240729141519.18398-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We have a runtime PM deny-list for the devices that show the problems
(typically click noises) at runtime suspend/resume, and when it
matches, the driver disables the default runtime PM. However, we
still allow the runtime PM changed via power_save module option
dynamically, and the desktop system often tweaks it. This ended up
with a re-enablement of the runtime PM that surprises users, suddenly
suffering from the noises.
This patch changes the driver behavior slightly: when the device is
listed in the deny-list, ignore the power_save option change and keep
the original (that is, off) runtime PM state.
Link: https://patch.msgid.link/20240729141519.18398-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We had a nice name scheme in ALSA sequencer UMP binding for each
sequencer port referring to each assigned Function Block name, while
the legacy rawmidi refers only to the UMP Endpoint name. It's better
to align both.
This patch moves the UMP Group attribute update functions into the
core UMP code from the sequencer binding code, and improve the
substream name of the legacy rawmidi.
Link: https://patch.msgid.link/20240729141315.18253-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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struct snd_kcontrol contains a flex array of snd_kcontrol_volatile
objects at its end, and the array size is stored in count field.
This can be annotated gracefully with __counted_by() for catching
possible array overflows.
One additional change is the order of the count field initialization;
The assignment of the count field is moved before assignment of vd[]
elements for avoiding false-positive warnings from compilers.
Link: https://patch.msgid.link/20240726152840.8629-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Pull 6.11-devel branch for further development.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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ALC255_FIXUP_ACER_LIMIT_INT_MIC_BOOST fixes combo jack detection and
limits the internal microphone boost that causes clipping on this model.
Signed-off-by: Mavroudis Chatzilazaridis <mavchatz@protonmail.com>
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20240728123601.144017-1-mavchatz@protonmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The current conversion from the legacy SysEx event to UMP SysEx packet
in the sequencer core has a couple of issues:
* The first packet trims the SysEx start byte (0xf0), hence it
contains only 5 bytes instead of 6. This isn't wrong, per
specification, but it's strange not to fill 6 bytes.
* When the SysEx end marker (0xf7) is placed at the first byte of the
next packet, it'll end up with an empty data just with the END
status. It can be rather folded into the previous packet with the
END status.
This patch tries to address those issues. The first packet may have 6
bytes even with the SysEx start, and an empty packet with the SysEx
end marker is omitted.
Fixes: e9e02819a98a ("ALSA: seq: Automatic conversion of UMP events")
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20240726143455.3254-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Use the new helper to mute speakers at suspend / shutdown for avoiding
click noises.
Link: https://bugzilla.suse.com/show_bug.cgi?id=1228269
Link: https://patch.msgid.link/20240726142625.2460-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Some devices indicate click noises at suspend or shutdown when the
speakers are unmuted. This patch adds a helper,
snd_hda_gen_shutup_speakers(), to work around it. The new function is
supposed to be called at suspend or shutdown by the codec driver, and
it mutes the speakers.
The mute status isn't cached, hence the original mute state will be
restored at resume again.
Link: https://patch.msgid.link/20240726142625.2460-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The previous fix (7aeb25908648) only handles the unsol_event reporting
during interrupts and does not include the polling mode used to set
jackroll_ms, so now we are replacing it with
snd_hda_jack_detect_enable_callback.
Fixes: 7aeb25908648 ("ALSA: hda/conexant: Fix headset auto detect fail in cx8070 and SN6140")
Co-developed-by: bo liu <bo.liu@senarytech.com>
Signed-off-by: bo liu <bo.liu@senarytech.com>
Signed-off-by: songxiebing <songxiebing@kylinos.cn>
Link: https://patch.msgid.link/20240726100726.50824-1-soxiebing@163.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix RPM package build error caused by an incorrect locale setup
- Mark modules.weakdep as ghost in RPM package
- Fix the odd combination of -S and -c in stack protector scripts,
which is an error with the latest Clang
* tag 'kbuild-fixes-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: Fix '-S -c' in x86 stack protector scripts
kbuild: rpm-pkg: ghost modules.weakdep file
kbuild: rpm-pkg: Fix C locale setup
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After a recent change in clang to stop consuming all instances of '-S'
and '-c' [1], the stack protector scripts break due to the kernel's use
of -Werror=unused-command-line-argument to catch cases where flags are
not being properly consumed by the compiler driver:
$ echo | clang -o - -x c - -S -c -Werror=unused-command-line-argument
clang: error: argument unused during compilation: '-c' [-Werror,-Wunused-command-line-argument]
This results in CONFIG_STACKPROTECTOR getting disabled because
CONFIG_CC_HAS_SANE_STACKPROTECTOR is no longer set.
'-c' and '-S' both instruct the compiler to stop at different stages of
the pipeline ('-S' after compiling, '-c' after assembling), so having
them present together in the same command makes little sense. In this
case, the test wants to stop before assembling because it is looking at
the textual assembly output of the compiler for either '%fs' or '%gs',
so remove '-c' from the list of arguments to resolve the error.
All versions of GCC continue to work after this change, along with
versions of clang that do or do not contain the change mentioned above.
Cc: stable@vger.kernel.org
Fixes: 4f7fd4d7a791 ("[PATCH] Add the -fstack-protector option to the CFLAGS")
Fixes: 60a5317ff0f4 ("x86: implement x86_32 stack protector")
Link: https://github.com/llvm/llvm-project/commit/6461e537815f7fa68cef06842505353cf5600e9c [1]
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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In the same way as for other similar files, mark as ghost the new file
generated by depmod for configured weak dependencies for modules,
modules.weakdep, so that although it is not included in the package,
claim the ownership on it.
Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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semicolon separation in LC_ALL is wrong. Either variable needs to be
exported before as a separate commit or set as part of the commit in the
beginning. Used second variant.
This fixes broken build on user's locale setup which makes 'date' binary
to produce invalid characters in rpm changelog (e.g. cs_CZ.UTF-8 'čec'):
$ make binrpm-pkg
GEN rpmbuild/SPECS/kernel.spec
rpmbuild -bb rpmbuild/SPECS/kernel.spec --define='_topdirlinux/rpmbuild' \
--target x86_64-linux --build-in-place --noprep --define='_smp_mflags \
%{nil}' $(rpm -q rpm >/dev/null 2>&1 || echo --nodeps)
Building target platforms: x86_64-linux
Building for target x86_64-linux
error: bad date in %changelog: St čec 24 2024 user <user@somehost>
make[2]: *** [scripts/Makefile.package:71: binrpm-pkg] Error 1
make[1]: *** [linux/Makefile:1546: binrpm-pkg] Error 2
make: *** [Makefile:224: __sub-make] Error 2
Fixes: 301c10908e42 ("kbuild: rpm-pkg: introduce a simple changelog section for kernel.spec")
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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This simplifies the min_t() and max_t() macros by no longer making them
work in the context of a C constant expression.
That means that you can no longer use them for static initializers or
for array sizes in type definitions, but there were only a couple of
such uses, and all of them were converted (famous last words) to use
MIN_T/MAX_T instead.
Cc: David Laight <David.Laight@aculab.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 3a7e02c040b1 ("minmax: avoid overly complicated constant
expressions in VM code") added the simpler MIN_T/MAX_T macros in order
to avoid some excessive expansion from the rather complicated regular
min/max macros.
The complexity of those macros stems from two issues:
(a) trying to use them in situations that require a C constant
expression (in static initializers and for array sizes)
(b) the type sanity checking
and MIN_T/MAX_T avoids both of these issues.
Now, in the whole (long) discussion about all this, it was pointed out
that the whole type sanity checking is entirely unnecessary for
min_t/max_t which get a fixed type that the comparison is done in.
But that still leaves min_t/max_t unnecessarily complicated due to
worries about the C constant expression case.
However, it turns out that there really aren't very many cases that use
min_t/max_t for this, and we can just force-convert those.
This does exactly that.
Which in turn will then allow for much simpler implementations of
min_t()/max_t(). All the usual "macros in all upper case will evaluate
the arguments multiple times" rules apply.
We should do all the same things for the regular min/max() vs MIN/MAX()
cases, but that has the added complexity of various drivers defining
their own local versions of MIN/MAX, so that needs another level of
fixes first.
Link: https://lore.kernel.org/all/b47fad1d0cf8449886ad148f8c013dae@AcuMS.aculab.com/
Cc: David Laight <David.Laight@aculab.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull UBI and UBIFS updates from Richard Weinberger:
- Many fixes for power-cut issues by Zhihao Cheng
- Another ubiblock error path fix
- ubiblock section mismatch fix
- Misc fixes all over the place
* tag 'ubifs-for-linus-6.11-rc1-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
ubi: Fix ubi_init() ubiblock_exit() section mismatch
ubifs: add check for crypto_shash_tfm_digest
ubifs: Fix inconsistent inode size when powercut happens during appendant writing
ubi: block: fix null-pointer-dereference in ubiblock_create()
ubifs: fix kernel-doc warnings
ubifs: correct UBIFS_DFS_DIR_LEN macro definition and improve code clarity
mtd: ubi: Restore missing cleanup on ubi_init() failure path
ubifs: dbg_orphan_check: Fix missed key type checking
ubifs: Fix unattached inode when powercut happens in creating
ubifs: Fix space leak when powercut happens in linking tmpfile
ubifs: Move ui->data initialization after initializing security
ubifs: Fix adding orphan entry twice for the same inode
ubifs: Remove insert_dead_orphan from replaying orphan process
Revert "ubifs: ubifs_symlink: Fix memleak of inode->i_link in error path"
ubifs: Don't add xattr inode into orphan area
ubifs: Fix unattached xattr inode if powercut happens after deleting
mtd: ubi: avoid expensive do_div() on 32-bit machines
mtd: ubi: make ubi_class constant
ubi: eba: properly rollback inside self_check_eba
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Since ubiblock_exit() is now called from an init function,
the __exit section no longer makes sense.
Cc: Ben Hutchings <bwh@kernel.org>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202407131403.wZJpd8n2-lkp@intel.com/
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
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Add check for the return value of crypto_shash_tfm_digest() and return
the error if it fails in order to catch the error.
Fixes: 817aa094842d ("ubifs: support offline signed images")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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writing
UBIFS always make sure that the data length won't beyond the inode size
by writing inode before writing page(See ubifs_writepage.). After commit
c35acef383f4a2f2cfc30("ubifs: Convert ubifs_writepage to use a folio"),
the rule is broken in one case: Given a file with size 3, then write 4096
from the offset 0, following process will make inode size be smaller than
file data length after powercut & recovery:
P1 P2
ubifs_writepage
len = folio_size(folio) // 4096
if (folio_pos(folio) + len <= i_size) // condition 1: 0 + 4096 <= 4096
//(i_size is updated as 4096 in ubifs_write_end)
if (folio_pos(folio) >= synced_i_size) // condition 2: 0 >= 3, false
write_inode // Skipped, because condition 2 is false
do_writepage(folio, len) // write one page
do_commit // data node won't be replayed in next mounting
>> Powercut <<
So, inode size(4096) is not updated into disk, we will get following
error messages in next mounting(chk_fs = 1):
check_leaf [ubifs]: data node at LEB 14:2048 is not within inode size 3
dbg_walk_index [ubifs]: leaf checking function returned error -22, for
leaf at LEB 14:2048
Fix it by modifying condition 2 as original comparison(Compare the page
index of synced_i_size with current page index).
Fixes: c35acef383f4 ("ubifs: Convert ubifs_writepage to use a folio")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218934
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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Similar to commit adbf4c4954e3 ("ubi: block: fix memleak in
ubiblock_create()"), 'dev->gd' is not assigned but dereferenced if
blk_mq_alloc_tag_set() fails, and leading to a null-pointer-dereference.
Fix it by using pr_err() and variable 'dev' to print error log.
Additionally, the log in the error handle path of idr_alloc() has
been improved by using pr_err(), too. Before initializing device
name, using dev_err() will print error log with 'null' instead of
the actual device name, like this:
block (null): ...
~~~~~~
It is unclear. Using pr_err() can print more details of the device.
The improved log is:
ubiblock0_0: ...
Fixes: 77567b25ab9f ("ubi: use blk_mq_alloc_disk and blk_cleanup_disk")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Li Nan <linan122@huawei.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
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make C=1 reports the following kernel-doc warnings:
fs/ubifs/compress.c:103: warning: Function parameter or struct member 'c' not described in 'ubifs_compress'
fs/ubifs/compress.c:155: warning: Function parameter or struct member 'c' not described in 'ubifs_decompress'
fs/ubifs/find.c:353: warning: Excess function parameter 'data' description in 'scan_for_free_cb'
fs/ubifs/find.c:353: warning: Function parameter or struct member 'arg' not described in 'scan_for_free_cb'
fs/ubifs/find.c:594: warning: Excess function parameter 'data' description in 'scan_for_idx_cb'
fs/ubifs/find.c:594: warning: Function parameter or struct member 'arg' not described in 'scan_for_idx_cb'
fs/ubifs/find.c:786: warning: Excess function parameter 'data' description in 'scan_dirty_idx_cb'
fs/ubifs/find.c:786: warning: Function parameter or struct member 'arg' not described in 'scan_dirty_idx_cb'
fs/ubifs/find.c:86: warning: Excess function parameter 'data' description in 'scan_for_dirty_cb'
fs/ubifs/find.c:86: warning: Function parameter or struct member 'arg' not described in 'scan_for_dirty_cb'
fs/ubifs/journal.c:369: warning: expecting prototype for wake_up_reservation(). Prototype was for add_or_start_queue() instead
fs/ubifs/lprops.c:1018: warning: Excess function parameter 'lst' description in 'scan_check_cb'
fs/ubifs/lprops.c:1018: warning: Function parameter or struct member 'arg' not described in 'scan_check_cb'
fs/ubifs/lpt.c:1938: warning: Function parameter or struct member 'ptr' not described in 'lpt_scan_node'
fs/ubifs/replay.c:60: warning: Function parameter or struct member 'hash' not described in 'replay_entry'
Fix them.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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The UBIFS_DFS_DIR_LEN macro, which defines the maximum length of the UBIFS
debugfs directory name, has an incorrect formula and misleading comments.
The current formula is (3 + 1 + 2*2 + 1), which assumes that both UBI device
number and volume ID are limited to 2 characters. However, UBI device number
ranges from 0 to 31 (2 characters), and volume ID ranges from 0 to 127 (up
to 3 characters).
Although the current code works due to the cancellation of mathematical
errors (9 + 1 = 10, which matches the correct UBIFS_DFS_DIR_LEN value), it
can lead to confusion and potential issues in the future.
This patch aims to improve the code clarity and maintainability by making
the following changes:
1. Corrects the UBIFS_DFS_DIR_LEN macro definition to (3 + 1 + 2 + 3 + 1),
accommodating the maximum lengths of both UBI device number and volume ID,
plus the separators and null terminator.
2. Updates the snprintf calls to use UBIFS_DFS_DIR_LEN instead of
UBIFS_DFS_DIR_LEN + 1, removing the unnecessary +1.
3. Modifies the error checks to compare against UBIFS_DFS_DIR_LEN using >=
instead of >, aligning with the corrected macro definition.
4. Removes the redundant +1 in the dfs_dir_name array definitions in ubi.h
and debug.h.
While these changes do not affect the runtime behavior, they make the code
more readable, maintainable, and less prone to future errors.
v2->v3:
- Removes the duplicated UBIFS_DFS_DIR_LEN and UBIFS_DFS_DIR_NAME macro
definitions in ubifs.h, as they are already defined in debug.h.
Signed-off-by: ZhaoLong Wang <wangzhaolong1@huawei.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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