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Now that CPUs that implement Memory Protection Keys are publicly
available we can be a bit less oblique about where it is available.
Signed-off-by: Dave Hansen <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
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Trivial fix to spelling mistake in comment and also with text in
audit_resource call.
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: John Johansen <[email protected]>
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It doesn't cause a run-time bug, but these bitfields should be unsigned.
When it's signed ->dl_throttled is set to either 0 or -1, instead of
0 and 1 as expected.
The sched.h file is included into tons of places so Sparse generates
a flood of warnings like this:
./include/linux/sched.h:477:54: error: dubious one-bit signed bitfield
Reported-by: Matthew Wilcox <[email protected]>
Reported-by: Xin Long <[email protected]>
Signed-off-by: Dan Carpenter <[email protected]>
Reviewed-by: Luca Abeni <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: luca abeni <[email protected]>
Link: http://lkml.kernel.org/r/20171013070121.dzcncojuj2f4utij@mwanda
Signed-off-by: Ingo Molnar <[email protected]>
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Pull fbdev updates from Bartlomiej Zolnierkiewicz:
"There is nothing really major here (though removal of the dead igafb
driver stands out in diffstat).
Summary:
- convert timers to use timer_setup() (Kees Cook, Thierry Reding)
- fix panels support on iMX boards in mxsfb driver (Stefan Agner)
- fix timeout on EDID read in udlfb driver (Ladislav Michl)
- add missing modes to fix out of bounds access in controlfb driver
(Geert Uytterhoeven)
- update initialisation paths in sa1100fb driver to be more robust
(Russell King)
- fix error handling path of ->probe method in au1200fb driver
(Christophe JAILLET)
- fix handling of cases when either panel or crt is defined in
sm501fb driver (Sudip Mukherjee, Colin Ian King)
- add ability to the Goldfish FB driver to be recognized by OS via DT
(Aleksandar Markovic)
- structures constifications (Bhumika Goyal)
- misc fixes (Allen Pais, Gustavo A. R. Silva, Dan Carpenter)
- misc cleanups (Colin Ian King, Himanshu Jha, Markus Elfring)
- remove dead igafb driver"
* tag 'fbdev-v4.15' of git://github.com/bzolnier/linux: (42 commits)
OMAPFB: prevent buffer underflow in omapfb_parse_vram_param()
video: fbdev: sm501fb: fix potential null pointer dereference on fbi
fbcon: Initialize ops->info early
video: fbdev: Convert timers to use timer_setup()
video: fbdev: pxa3xx_gcu: Convert timers to use timer_setup()
fbdev: controlfb: Add missing modes to fix out of bounds access
video: fbdev: sis_main: mark expected switch fall-throughs
video: fbdev: cirrusfb: mark expected switch fall-throughs
video: fbdev: aty: radeon_pm: mark expected switch fall-throughs
video: fbdev: sm501fb: mark expected switch fall-through in sm501fb_blank_crt
video: fbdev: intelfb: remove redundant variables
video/fbdev/dnfb: Use common error handling code in dnfb_probe()
sm501fb: suspend and resume fb if it exists
sm501fb: unregister framebuffer only if registered
sm501fb: deallocate colormap only if allocated
video: goldfishfb: Add support for device tree bindings
Documentation: Add device tree binding for Goldfish FB driver
video: udlfb: Fix read EDID timeout
video: fbdev: remove dead igafb driver
video: fbdev: mxsfb: fix pixelclock polarity
...
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree fixes from Rob Herring:
- Remove mc13892 as a trivial device
- Improve of_find_node_by_name() documentation
- Fix unit test dtc warnings
- Clean-ups of USB binding documentation
- Fix potential NULL deref in of_pci_map_rid
* tag 'devicetree-fixes-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: trivial-devices: Remove fsl,mc13892
of: Document exactly what of_find_node_by_name() puts
of: unittest: disable interrupts_property warning
of: unittest: let dtc generate __local_fixups__
dt-bindings: usb: document hub and host-controller properties
dt-bindings: usb: clean up compatible property
dt-bindings: usb: fix reg-property port-number range
dt-bindings: usb: fix example hub node name
of/pci: Fix theoretical NULL dereference
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Pull jfs fixlet from Dave Kleikamp:
"Update jfs git tree in MAINTAINERS"
* tag 'jfs-4.15-2' of git://github.com/kleikamp/linux-shaggy:
MAINTAINERS: fix jfs tree location
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used
Print a rate-limited warning when a user-space program attempts to execute
any of the instructions that UMIP protects (i.e., SGDT, SIDT, SLDT, STR
and SMSW).
This is useful, because when CONFIG_X86_INTEL_UMIP=y is selected and
supported by the hardware, user space programs that try to execute such
instructions will receive a SIGSEGV signal that they might not expect.
In the specific cases for which emulation is provided (instructions SGDT,
SIDT and SMSW in protected and virtual-8086 modes), no signal is
generated. However, a warning is helpful to encourage updates in such
programs to avoid the use of such instructions.
Warnings are printed via a customized printk() function that also provides
information about the program that attempted to use the affected
instructions.
Utility macros are defined to wrap umip_printk() for the error and warning
kernel log levels.
While here, replace an existing call to the generic rate-limited pr_err()
with the new umip_pr_err().
Suggested-by: Linus Torvalds <[email protected]>
Signed-off-by: Ricardo Neri <[email protected]>
Reviewed-by: Thomas Gleixner <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Paolo Bonzini <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Ravi V. Shankar <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/1511233476-17088-1-git-send-email-ricardo.neri-calderon@linux.intel.com
Signed-off-by: Ingo Molnar <[email protected]>
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The function checks non-powerplay structures so regressed when
the pp_enabled check was removed. This should ideally be
implemented similarly for powerplay.
Fixes: 6d07fe7bcae57 ("drm/amdgpu: delete pp_enable in adev")
Tested-by: Dieter Nützel <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Jakub Kicinski says:
====================
This series addresses some late comments and moves checking if program
has been loaded for the correct device to the drivers. There are also
some problems with net namespaces which I didn't take into consideration.
On the kernel side we will now simply ignore namespace moves. Since the
user space API is not reporting any namespace identification we have to
remove the ifindex until a correct way of reporting is agreed upon.
v2:
- fix ext ack reporting for XDP (David A);
- add Jiri's Ack.
====================
Signed-off-by: Daniel Borkmann <[email protected]>
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Header implementation of bpf_prog_offload_verifier_prep() which
is used if CONFIG_NET=n should be a static inline.
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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This reverts commit bd601b6ada11 ("bpf: report offload info to user
space"). The ifindex by itself is not sufficient, we should provide
information on which network namespace this ifindex belongs to.
After considering some options we concluded that it's best to just
remove this API for now, and rework it in -next.
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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This reverts commit 928631e05495 ("bpftool: print program device bound
info"). We will remove this API and redo it right in -next.
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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We are currently destroying the device offload state when device
moves to another net namespace. This doesn't break with current
NFP code, because offload state is not used on program removal,
but it's not correct behaviour.
Ignore the device unregister notifications on namespace move.
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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bpf_prog_get_type() is identical to bpf_prog_get_type_dev(),
with false passed as attach_drv. Instead of keeping it as
an exported symbol turn it into static inline wrapper.
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Quentin Monnet <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
Acked-by: Daniel Borkmann <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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Currently device-bound programs are not able to run on the host
to save resources (host JIT is not invoked). Don't allow XDP
programs to be attached without the HW_MODE flag. In theory
if program is already translated for device offload the driver
should choose to offload it instead of loading it in the driver.
However, offloading translated program may still fail resulting
in device-bound program being run on the host.
Prevent this by refusing to attach device bound programs if
XDP_FLAGS_HW_MODE is not set.
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Quentin Monnet <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
Acked-by: Daniel Borkmann <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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With TC shared block changes we can't depend on correct netdev
pointer being available in cls_bpf. Move the device validation
to the driver. Core will only make sure that offloaded programs
are always attached in the driver (or in HW by the driver). We
trust that drivers which implement offload callbacks will perform
necessary checks.
Moving the checks to the driver is generally a useful thing,
in practice the check should be against a switchdev instance,
not a netdev, given that most ASICs will probably allow using
the same program on many ports.
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Quentin Monnet <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
Acked-by: Daniel Borkmann <[email protected]>
Acked-by: Jiri Pirko <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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bpf_target_prog seems long and clunky, rename it to prog_ifindex.
We don't want to call this field just ifindex, because maps
may need a similar field in the future and bpf_attr members for
programs and maps are unnamed.
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Quentin Monnet <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
Acked-by: Daniel Borkmann <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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We are currently only allowing attachment of device-bound
cls_bpf and XDP programs. Make this restriction explicit in
the BPF offload code. This way we can potentially reuse the
ifindex field in the future.
Since XDP and cls_bpf programs can only be loaded by admin,
we can drop the explicit capability check from offload code.
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Quentin Monnet <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
Acked-by: Daniel Borkmann <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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Offload state may get destroyed either because the device for which
it was constructed is going away, or because the refcount of bpf
program itself has reached 0. In both of those cases we will call
__bpf_prog_offload_destroy() to unlink the offload from the device.
We may in fact call it twice, which works just fine, but we should
make clear this is intended and caution others trying to extend the
function.
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Quentin Monnet <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
Acked-by: Daniel Borkmann <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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resulted in unexpected data truncation
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Rex Zhu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected]
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Improve the bindings text by doing the following changes:
- Remove the i.MX53 reference, as the RTC on i.MX53 is a different hardware
- Add 'clocks' to the list of required properties
- Explain that the optional security violation irq is the second entry
- Use the real unit address and irq numbers for i.MX25
Signed-off-by: Fabio Estevam <[email protected]>
Acked-by: Juergen Borleis <[email protected]>
Acked-by: Rob Herring <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
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This patch adds the Spreadtrum RTC driver, which embedded in the
Spreadtrum SC27xx series PMICs.
Signed-off-by: Baolin Wang <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
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The Dell SMBIOS WMI interface will fail for some more complex calls unless
a WMI hotfix has been included. Most platforms have this fix available in
a maintenance BIOS release. In the case the driver is loaded on a
platform without this fix, disable the userspace interface.
A hotfix indicator is present in the dell-wmi-descriptor that represents
whether or not more complex calls will work properly.
"Simple" calls such as those used by dell-laptop and dell-wmi will continue
to work properly so dell-smbios-wmi should not be blocked from binding and
being used as the dell-smbios dispatcher.
Suggested-by: Girish Prakash <[email protected]>
Signed-off-by: Mario Limonciello <[email protected]>
Signed-off-by: Darren Hart (VMware) <[email protected]>
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Implement a '-none' output mode for kernel-doc which will only output
warning messages, and suppresses the warning message about there being
no kernel-doc in the file.
If the build has requested additional warnings, automatically check all
.c files. This patch does not check .h files. Enabling the warning
by default would add about 1300 warnings, so it's default off for now.
People who care can use this to check they didn't break the docs and
maybe we'll get all the warnings fixed and be able to enable this check
by default in the future.
Signed-off-by: Matthew Wilcox <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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This device's bindings are not trivial: Additional properties are
documented in in Documentation/devicetree/bindings/mfd/mc13xxx.txt.
Signed-off-by: Jonathan Neuschäfer <[email protected]>
Reviewed-by: Fabio Estevam <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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It isn't clear if this function of_node_put()s the 'from'
argument, or the node it searches. Clearly indicate which
variable is touched. Fold in some more fixes from Randy too
because we're in the area.
Cc: Randy Dunlap <[email protected]>
Signed-off-by: Stephen Boyd <[email protected]>
Acked-by: Randy Dunlap <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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JFS tree has been moved to github.
Signed-off-by: Tom Saeger <[email protected]>
Signed-off-by: Dave Kleikamp <[email protected]>
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Correctly the formatting of several additions to the profile= option
that have been added by using <profiletype> and listing the choices
for it.
Signed-off-by: Randy Dunlap <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Drop CONFIG_VIDEO_400_HACK info completely.
Drop CONFIG_VIDEO_RETAIN and CONFIG_VIDEO_LOCAL completely.
Drop CONFIG_VIDEO_COMPACT and CONFIG_VIDEO_VESA info completely.
Drop CONFIG_VIDEO_SVGA info since it has been removed.
Drop chapter number & section number references since they are wrong.
Drop (bad) ftp URL for 800x600 Thinkpad XF86Config.
Rename CONFIG_VIDEO_GFX_HACK to VIDEO_GFX_HACK since it is not a
Kconfig symbol. And to match the source code.
Build options are controlled by the kernel kconfig utility.
Signed-off-by: Randy Dunlap <[email protected]>
Acked-By: Martin Mares <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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This commit applies an upstream change, commit d92f842bb30f
("memory-barriers.txt: Fix typo in pairing example") to the Korean
translation.
Signed-off-by: SeongJae Park <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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This commit applies two upstream change, commit f1ab25a30ce8
("memory-barriers: Replace uses of "transitive"") and commit 0902b1f44a72
("memory-barriers: Rework multicopy-atomicity section") to the Korean
translation. Those two changes are applied with this signle commit
because the second change is improvement of the first one.
Signed-off-by: SeongJae Park <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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authors
Sometimes a single patch is the result of multiple authors. As git only
can have one "author" of a patch, it is still good to properly give
credit to the other developers of a commit. To address this, document
the "Co-Developed-by:" tag which can be used to show other authors of
the patch.
Note, these other authors must also provide a Signed-off-by: tag as it
is their work that is being submitted here.
Reported-by: Thomas Gleixner <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Reviewed-by: Thomas Gleixner <[email protected]>
Acked-by: Borislav Petkov <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Fix child-node lookup during probe, which ended up searching the whole
device tree depth-first starting at the parent rather than just matching
on its children.
To make things worse, the parent mmio node was also prematurely freed.
Fixes: fd52bdae9ab0 ("wcn36xx: Disable 5GHz for wcn3620")
Cc: Loic Poulain <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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Make sure 16-byte mic is removed from the rx data packet
tail when CCMP-256, GCMP and GCMP-256 ciphers are used
in raw decap mode. This fixed rx traffic failures in those
ciphers in raw mode. Split the helper returning crypto
tail length into two, one to get the ICV length and other
to get the mic lengh for the cipher to make it clean.
Fixes: 2ea9f12cefe4 ("ath10k: add new cipher suite support")
Signed-off-by: Vasanthakumar Thiagarajan <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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When deleting a station or otherwise tearing down all aggregation
sessions, make sure to delete requested but not yet started ones,
to avoid the following scenario:
* session is requested, added to tid_start_tx[]
* ieee80211_ba_session_work() runs, gets past BLOCK_BA check
* ieee80211_sta_tear_down_BA_sessions() runs, locks &sta->ampdu_mlme.mtx,
e.g. while deleting the station - deleting all active sessions
* ieee80211_ba_session_work() continues since tear down flushes it, and
calls ieee80211_tx_ba_session_handle_start() for the new session, arms
the timer for it
* station deletion continues to __cleanup_single_sta() and frees the
session struct, while the timer is armed
Reported-by: Fengguang Wu <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
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hwsim_new_radio_nl() now copies the name attribute in order to add a
null-terminator. mac80211_hwsim_new_radio() (indirectly) copies it
again into the net_device structure, so the first copy is not used or
freed later. Free the first copy before returning.
Fixes: ff4dd73dd2b4 ("mac80211_hwsim: check HWSIM_ATTR_RADIO_NAME length")
Signed-off-by: Ben Hutchings <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
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When cfg80211 is built as a module, everything is fine, and we
can keep the code as is; in fact, we have to, because there can
only be a single module_init().
When cfg80211 is built-in, however, it needs to initialize
before drivers (device_initcall/module_init), and thus used to
be at subsys_initcall(). I'd moved it to fs_initcall() earlier,
where it can remain. However, this is still too early because at
that point the key infrastructure hasn't been initialized yet,
so X.509 certificates can't be parsed yet.
To work around this problem, load the regdb keys only later in
a late_initcall(), at which point the necessary infrastructure
has been initialized.
Fixes: 90a53e4432b1 ("cfg80211: implement regdb signature checking")
Reported-by: Xiaolong Ye <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
This removes the tid mapping array and expands the tid structures to
add a pointer back to the station, along with the tid index itself.
Cc: Johannes Berg <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Kees Cook <[email protected]>
[switch tid variables to u8, the valid range is 0-15 at most,
initialize tid_tx->sta/tid properly]
Signed-off-by: Johannes Berg <[email protected]>
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For mesh, this is simply wrong - there's no SSID, only the
mesh ID, so don't expose it at all.
For (P2P) client, it's wrong, because it exposes an internal
value that's only used when certain APIs are used.
For AP, it's actually the only correct case, so leave that.
All other interface types shouldn't be setting this anyway,
so there it won't change anything.
Fixes: b84e7a05f619 ("nl80211: send the NL80211_ATTR_SSID in nl80211_send_iface()")
Signed-off-by: Johannes Berg <[email protected]>
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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Johannes Berg <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Kees Cook <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
iwlwifi: first set of fixes for 4.15
* Support new FW API version of scan cmd (used in FW version 34);
* Add a bunch of PCI IDs and fix configuration structs for A000
devices;
* Fix the exported firmware name strings for 9000 and A000 devices;
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This patch removes DRM_TILCDC_SLAVE_COMPAT option for supporting the
obsolete "ti,tilcdc,slave" device tree binding. The new of_graph based
binding - that is widely used in other drm driver too - has been
supported since Linux v4.2. Maintaining the the backwards dts
conversion code in the DRM_TILCDC_SLAVE_COMPAT has become a nuisance
for the device/of development so the we decided to drop it after Linux
v4.14, the 2017 LTS.
Signed-off-by: Jyri Sarha <[email protected]>
Acked-by: Rob Herring <[email protected]>
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The current implementation of the pad clock isn't quite correct. This
has the side-effect of being incompatible with the implementation for
Tegra186 (provided by the BPMP) and therefore would require a massive
change to the driver to cope with the differences. Instead, simply do
what Tegra186 does and add some code to fallback to the old behaviour
for existing device trees.
Signed-off-by: Thierry Reding <[email protected]>
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While computing slice mask for the free area we need make sure we only
search in the addr limit applicable for this mmap. We update the
slb_addr_limit after we request for a mmap above 128TB. But the
following mmap request with hint addr below 128TB should still limit
its search to below 128TB. ie. we should not use slb_addr_limit to
compute slice mask in this case. Instead, we should derive high addr
limit based on the mmap hint addr value.
Fixes: f4ea6dcb08ea ("powerpc/mm: Enable mappings above 128TB")
Cc: [email protected] # v4.12+
Signed-off-by: Aneesh Kumar K.V <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
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Users have been using knob "model=dell-headset-multi" on Intel Skull
Canyon for a while.
Add the equivalent quirk, ALC269_FIXUP_DELL1_MIC_NO_PRESENCE for Skull
Canyon.
BugLink: https://bugs.launchpad.net/bugs/1732034
Signed-off-by: Kai-Heng Feng <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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Pull ntb updates from Jon Mason:
"Support for the switchtec ntb and related changes. Also, a couple of
bug fixes"
[ The timing isn't great. I had asked people to send me pull requests
before my family vacation, and this code has not even been in
linux-next as far as I can tell. But Logan Gunthorpe pleaded for its
inclusion because the Switchtec driver has apparently been around for
a while, just never in linux-next - Linus ]
* tag 'ntb-4.15' of git://github.com/jonmason/ntb:
ntb: intel: remove b2b memory window workaround for Skylake NTB
NTB: make idt_89hpes_cfg const
NTB: switchtec_ntb: Update switchtec documentation with notes for NTB
NTB: switchtec_ntb: Add memory window support
NTB: switchtec_ntb: Implement scratchpad registers
NTB: switchtec_ntb: Implement doorbell registers
NTB: switchtec_ntb: Add link management
NTB: switchtec_ntb: Add skeleton NTB driver
NTB: switchtec_ntb: Initialize hardware for doorbells and messages
NTB: switchtec_ntb: Initialize hardware for memory windows
NTB: switchtec_ntb: Introduce initial NTB driver
NTB: Add check and comment for link up to mw_count() and mw_get_align()
NTB: Ensure ntb_mw_get_align() is only called when the link is up
NTB: switchtec: Add link event notifier callback
NTB: switchtec: Add NTB hardware register definitions
NTB: switchtec: Export class symbol for use in upper layer driver
NTB: switchtec: Move structure definitions into a common header
ntb: update maintainer list for Intel NTB driver
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Some statements are not enough or too much indented.
Fix it to improve readalbility.
Signed-off-by: Christophe JAILLET <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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In rare cases, ena driver would reset and re-start the device,
for example, in case of misbehaving application that causes
transmit timeout
The first step in the reset procedure is to stop the Tx traffic by
calling ena_carrier_off().
After the driver have just started the device reset procedure, device
happens to send an asynchronous notification (via AENQ) to the driver
than there was a link change (to link-up state).
This link change is mapped to a call to netif_carrier_on() which
re-activates the Tx queues, violating the assumption of no tx traffic
until device reset is completed, as the reset task might still be in
the process of queues initialization, leading to an access to
uninitialized memory.
Signed-off-by: Netanel Belgazal <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Since commit c4fac9100456 ("9p: Implement show_options"), the mount
options of 9p filesystems are printed out with some missing commas
between the individual options:
p9-scratch on /mnt/scratch type 9p (rw,dirsync,loose,access=clienttrans=virtio)
Add them back.
Cc: [email protected] # 4.13+
Fixes: c4fac9100456 ("9p: Implement show_options")
Signed-off-by: Tuomas Tynkkynen <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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Commit b65a9cfc2c38 ("Untangling ima mess, part 2: deal with counters")
moved the call of ima_file_check() from may_open() to do_filp_open() at a
point where the file descriptor is already opened.
This breaks the assumption made by IMA that file descriptors being closed
belong to files whose access was granted by ima_file_check(). The
consequence is that security.ima and security.evm are updated with good
values, regardless of the current appraisal status.
For example, if a file does not have security.ima, IMA will create it after
opening the file for writing, even if access is denied. Access to the file
will be allowed afterwards.
Avoid this issue by checking the appraisal status before updating
security.ima.
Cc: [email protected]
Signed-off-by: Roberto Sassu <[email protected]>
Signed-off-by: Mimi Zohar <[email protected]>
Signed-off-by: James Morris <[email protected]>
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