Make error returns more consistent... no behaviour change intended.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.
This patch fixes the following warnings:
drivers/platform/x86/thinkpad_acpi.c: In function ‘thermal_get_sensor’:
drivers/platform/x86/thinkpad_acpi.c:6316:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (idx >= 8 && idx <= 15) {
^
drivers/platform/x86/thinkpad_acpi.c:6322:2: note: here
case TPACPI_THERMAL_TPEC_8:
^~~~
drivers/platform/x86/thinkpad_acpi.c: In function ‘hotkey_notify’:
drivers/platform/x86/thinkpad_acpi.c:4208:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (tp_features.hotkey_wlsw &&
^
drivers/platform/x86/thinkpad_acpi.c:4216:3: note: here
default:
^~~~~~~
Warning level 3 was used: -Wimplicit-fallthrough=3
Notice that, in this particular case, the code comments are modified
in accordance with what GCC is expecting to find.
This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
It seems that the default case should return AE_CTRL_TERMINATE, instead
of falling through to case ACPI_RESOURCE_TYPE_END_TAG and returning AE_OK;
otherwise the line of code at the end of the function is unreachable and
makes no sense:
return AE_CTRL_TERMINATE;
This fix is based on the following thread of discussion:
https://lore.kernel.org/patchwork/patch/959782/
Fixes: 33a0445452 ("sony-laptop: Add SNY6001 device handling (sonypi reimplementation)")
Cc: stable@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The "out_data" variable is uninitialized at the point. Originally, this
used to print "status" instead and that seems like the correct thing to
print.
Fixes: bc2ef88432 ("alienware-wmi: For WMAX HDMI method, introduce a way to query HDMI cable status")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Dan Carpenter says:
The patch 640f763f98: "net: dsa: sja1105: Add support for Spanning
Tree Protocol" from May 5, 2019, leads to the following static
checker warning:
drivers/net/dsa/sja1105/sja1105_main.c:1073 sja1105_stp_state_get()
warn: signedness bug returning '(-22)'
The caller doesn't check for negative errors anyway.
Fixes: 640f763f98: ("net: dsa: sja1105: Add support for Spanning Tree Protocol")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Merge the x86 docs conversion from Changbin Du, who writes:
> The kernel now uses Sphinx to generate intelligent and beautiful
> documentation from reStructuredText files. I converted all of the Linux
> x86 docs to rst format in this serias.
>
> For you to preview, please visit below url:
> http://www.bytemem.com:8080/kernel-doc/index.html
>
> Thank you!
The whole series was:
Acked-by: Ingo Molnar <mingo@kernel.org>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Add a index.rst for x86 support. More docs will be added later.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The current trace documentation, the section describing histogram's "onmatch"
is not straightforward enough about how this action is applied. It is not
clear what criteria are used to "match" both events. A short note is added,
describing what exactly is compared in order to match the events.
Signed-off-by: Tzvetomir Stoyanov <tstoyanov@vmware.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Tom Zanussi <tom.zanussi@linux.intel.com>
[jc: fixed trivial conflict with docs-next]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This patch translates in Italian the following updates
62be257e98 LICENSES: Rename other to deprecated
8ea8814fcd LICENSES: Clearly mark dual license only licenses
6132c37ca5 docs: Don't reference the ZLib license in license-rules.rst
Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
"gfs2: Fix loop in gfs2_rbm_find (v2)"
A rework of a fix we ended up reverting in 5.0 because of an iozone
performance regression.
"gfs2: read journal in large chunks" and
"gfs2: fix race between gfs2_freeze_func and unmount"
An improved version of a commit we also ended up reverting in 5.0
because of a regression in xfstest generic/311. It turns out that the
journal changes were mostly innocent and that unfreeze didn't wait for
the freeze to complete, which caused the filesystem to be unmounted
before it was actually idle.
"gfs2: Fix occasional glock use-after-free"
"gfs2: Fix iomap write page reclaim deadlock"
"gfs2: Fix lru_count going negative"
Fixes for various problems reported and partially fixed by Citrix
engineers. Thank you very much.
"gfs2: clean_journal improperly set sd_log_flush_head"
Another fix from Bob.
A few other minor cleanups.
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Merge tag 'gfs2-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull GFS2 updates from Andreas Gruenbacher:
"We've got the following patches ready for this merge window:
- "gfs2: Fix loop in gfs2_rbm_find (v2)"
A rework of a fix we ended up reverting in 5.0 because of an
iozone performance regression.
- "gfs2: read journal in large chunks"
"gfs2: fix race between gfs2_freeze_func and unmount"
An improved version of a commit we also ended up reverting in 5.0
because of a regression in xfstest generic/311. It turns out that
the journal changes were mostly innocent and that unfreeze didn't
wait for the freeze to complete, which caused the filesystem to be
unmounted before it was actually idle.
- "gfs2: Fix occasional glock use-after-free"
"gfs2: Fix iomap write page reclaim deadlock"
"gfs2: Fix lru_count going negative"
Fixes for various problems reported and partially fixed by Citrix
engineers. Thank you very much.
- "gfs2: clean_journal improperly set sd_log_flush_head"
Another fix from Bob.
- .. and a few other minor cleanups"
* tag 'gfs2-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: read journal in large chunks
gfs2: Fix iomap write page reclaim deadlock
gfs2: fix race between gfs2_freeze_func and unmount
gfs2: Rename gfs2_trans_{add_unrevoke => remove_revoke}
gfs2: Rename sd_log_le_{revoke,ordered}
gfs2: Remove unnecessary extern declarations
gfs2: Remove misleading comments in gfs2_evict_inode
gfs2: Replace gl_revokes with a GLF flag
gfs2: Fix occasional glock use-after-free
gfs2: clean_journal improperly set sd_log_flush_head
gfs2: Fix lru_count going negative
gfs2: Fix loop in gfs2_rbm_find (v2)
Use __maybe_unused for power management related functions
instead of #if CONFIG_PM_SLEEP to simply the code.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This variable is no longer used and the compiler rightly complains that
it should be removed.
../drivers/rtc/rtc-imxdi.c: In function ‘dryice_rtc_set_alarm’:
../drivers/rtc/rtc-imxdi.c:633:16: warning: unused variable ‘now’ [-Wunused-variable]
unsigned long now;
^~~
Rework to remove the unused variable.
Fixes: 629d488a3e ("rtc: imxdi: remove unnecessary check")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
There are no users of set_mms and set_mmss64 as they have all been
converted to set_time and are handling the tm to time conversion on their
own.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Call the 64bit versions of rtc_tm time conversion now that the range is
enforced by the core.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
While PCAP_RTC_DAY_MASK is set to 0x3ffff, it is very unlikely to be
correct as this ends in june 1992, before the product even existed. It is
more likely to be a 14-bit day counter. The next product in the family (the
mc13xxx) has a 15-bit day counter.
The same issue is seen with PCAP_RTC_TOD_MASK which only has 65535 seconds
and falls short of the necessary 86400 seconds.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Use .set_time instead of the deprecated .set_mmss.
Acked-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
While the range of REFERENCE + TIME is actually 33 bits, the counter
itself (TIME) is a 32-bits seconds counter.
Acked-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
The IRQ is requested before the struct rtc is allocated and registered, but
this struct is used in the IRQ handler. This may lead to a NULL pointer
dereference.
Switch to devm_rtc_allocate_device/rtc_register_device to allocate the rtc
struct before requesting the IRQ.
Acked-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
The while-loop exit condition check is not correct; the
loop should continue if the returns from the function calls are
negative or the CRC status returns are invalid. Currently it
is ignoring the returns from the function calls. Fix this by
removing the status return checks and only break from the loop
at the very end when we know that all the success condtions have
been met.
Kudos to Dan Carpenter for describing the correct fix and
Vladimir Oltean for noting the change to the check on the number
of retries.
Addresses-Coverity: ("Uninitialized scalar variable")
Fixes: 8aa9ebccae ("net: dsa: Introduce driver for NXP SJA1105 5-port L2 switch")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Tested-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag '5.2-smb3' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"CIFS/SMB3 changes:
- three fixes for stable
- add fiemap support
- improve zero-range support
- various RDMA (smb direct fixes)
I have an additional set of fixes (for improved handling of sparse
files, mode bits, POSIX extensions) that are still being tested that
are not included in this pull request but I expect to send in the next
week"
* tag '5.2-smb3' of git://git.samba.org/sfrench/cifs-2.6: (29 commits)
cifs: update module internal version number
SMB3: Clean up query symlink when reparse point
cifs: fix strcat buffer overflow and reduce raciness in smb21_set_oplock_level()
Negotiate and save preferred compression algorithms
cifs: rename and clarify CIFS_ASYNC_OP and CIFS_NO_RESP
cifs: fix credits leak for SMB1 oplock breaks
smb3: Add protocol structs for change notify support
cifs: fix smb3_zero_range for Azure
cifs: zero-range does not require the file is sparse
Add new flag on SMB3.1.1 read
cifs: add fiemap support
SMB3: Add defines for new negotiate contexts
cifs: fix bi-directional fsctl passthrough calls
cifs: smbd: take an array of reqeusts when sending upper layer data
SMB3: Add handling for different FSCTL access flags
cifs: Add support for FSCTL passthrough that write data to the server
cifs: remove superfluous inode_lock in cifs_{strict_}fsync
cifs: Call MID callback before destroying transport
cifs: smbd: Retry on memory registration failure
cifs: smbd: Indicate to retry on transport sending failure
...
Depending on platform firmware, a zap shader may not be required to take
the GPU out of secure mode on boot, in which case we can just write
RBBM_SECVID_TRUST_CNTL directly. Which we *mostly* handled, but missed
clearing 'ret' resulting that hw_init() returned an error on these
devices.
Fixes: abccb9fe32 ("drm/msm/a6xx: Add zap shader load")
Acked-by: Jordan Crouse <jcrouse@codeaurora.org>
Reviewed-by: Sean Paul <sean@poorly.run>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190508130726.27557-1-robdclark@gmail.com
