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Merge tag 'linux-can-fixes-for-4.5-20160221' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2016-02-21
this is a pull reqeust of one patch for net/master.
The patch is by Gerhard Uttenthaler and fixes a potential tx overflow in the
ems_usb driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Yuval Mintz says:
====================
bnx2x: Fix 848xx phys
This series contains link-related fixes, mostly for the 848xx phys
[2 patches are for 84833, and 2 patches are for 84858].
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Current initialization sequence is lacking, causing some configurations
to fail.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The phy's firmware version isn't being parsed properly as it's
currently parsed like the rest of the 848xx phys.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There's a problem in current 84833 phy configuration -
in case 1Gb link is configured and jumbo-sized packets are being
used, device will experience RX crc errors.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, when link is using KR2 it cannot be forced to any speed other
than 20g.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.om>
Signed-off-by: David S. Miller <davem@davemloft.net>
Johan Hedberg says:
====================
pull request: bluetooth 2016-02-20
Here's an important patch for 4.5 which fixes potential invalid pointer
access when processing completed Bluetooth HCI commands.
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The dm9000 driver doesn't work in at least one device-tree
configuration, spitting an error message on irq resource :
[ 1.062495] dm9000 8000000.ethernet: insufficient resources
[ 1.068439] dm9000 8000000.ethernet: not found (-2).
[ 1.073451] dm9000: probe of 8000000.ethernet failed with error -2
The reason behind is that the interrupt might be provided by a gpio
controller, not probed when dm9000 is probed, and needing the probe
deferral mechanism to apply.
Currently, the interrupt is directly taken from resources. This patch
changes this to use the more generic platform_get_irq(), which handles
the deferral.
Moreover, since commit Fixes: 7085a7401b ("drivers: platform: parse
IRQ flags from resources"), the interrupt trigger flags are honored in
platform_get_irq(), so remove the needless code in dm9000.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Marcel Ziswiler <marcel@ziswiler.com>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Tested-by: Sergei Ianovich <ynvich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
fix incorrect indexing of dev->dev_addr[] when copying the MAC address
of FMV-J182 at buf[5].
Signed-off-by: Ken Kawasaki <ken_kawasaki@nifty.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Device emulation supports max size of 4096.
Signed-off-by: Shrikrishna Khare <skhare@vmware.com>
Signed-off-by: Bhavesh Davda <bhavesh@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Murali Karicheri says:
====================
net: ti: netcp: restore get/set_pad_info() functionality
This series fixes a regression and add some improvements for the ease
of maintainance. Incorporated comments against v1.
Changelogs:
v2 : combined 2-3 into one patch as this involves a header change
fixed a parse warning in 3/4 per comment from Arnd.
Removed Sign-off from Arnd against 1/4
added comments in 3/3 to alert on the usage of sw data per review
comments
v1 : added 2-4 to accomodate feedback received from review
v0 : initial version to fix the regression (From Grygorii)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
SW data field in descriptor can be used by software to hold private
data for the driver. As there are 4 words available for this purpose,
use separate macros to place it or retrieve the same to/from
descriptors. Also do type cast of data types accordingly.
Cc: Wingman Kwok <w-kwok2@ti.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Grygorii Strashko <grygorii.strashko@ti.com>
CC: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rename the pad to sw_data as per description of this field in the hardware
spec(refer sprugr9 from www.ti.com). Latest version of the document is
at http://www.ti.com/lit/ug/sprugr9h/sprugr9h.pdf and section 3.1
Host Packet Descriptor describes this field.
Define and use a constant for the size of sw_data field similar to
other fields in the struct for desc and document the sw_data field
in the header. As the sw_data is not touched by hw, it's type can be
changed to u32.
Rename the helpers to match with the updated dma desc field sw_data.
Cc: Wingman Kwok <w-kwok2@ti.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Grygorii Strashko <grygorii.strashko@ti.com>
CC: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The commit 8990777914 ("netcp: try to reduce type confusion in
descriptors") introduces a regression in Kernel 4.5-rc1 and it breaks
get/set_pad_info() functionality.
The TI NETCP driver uses pad0 and pad1 fields of knav_dma_desc to
store DMA/MEM buffer pointer and buffer size respectively. And in both
cases for Keystone 2 the pointer type size is 32 bit regardless of
LAPE enabled or not, because CONFIG_ARCH_DMA_ADDR_T_64BIT originally
is not expected to be defined.
Unfortunately, above commit changed buffer's pointers save/restore
code (get/set_pad_info()) and added intermediate conversation to u64
which works incorrectly on 32bit Keystone 2 and causes TI NETCP driver
crash in RX/TX path due to "Unable to handle kernel NULL pointer"
exception. This issue was reported and discussed in [1].
Hence, fix it by partially reverting above commit and restoring
get/set_pad_info() functionality as it was before.
[1] https://www.mail-archive.com/netdev@vger.kernel.org/msg95361.html
Cc: Wingman Kwok <w-kwok2@ti.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
CC: David Laight <David.Laight@ACULAB.COM>
CC: Arnd Bergmann <arnd@arndb.de>
Reported-by: Franklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Wei has been picking this up for quite a while now.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dmitry Vyukov noted recently that the sctp_port_hashtable had an error in
its size computation, observing that the current method never guaranteed
that the hashsize (measured in number of entries) would be a power of two,
which the input hash function for that table requires. The root cause of
the problem is that two values need to be computed (one, the allocation
order of the storage requries, as passed to __get_free_pages, and two the
number of entries for the hash table). Both need to be ^2, but for
different reasons, and the existing code is simply computing one order
value, and using it as the basis for both, which is wrong (i.e. it assumes
that ((1<<order)*PAGE_SIZE)/sizeof(bucket) is still ^2 when its not).
To fix this, we change the logic slightly. We start by computing a goal
allocation order (which is limited by the maximum size hash table we want
to support. Then we attempt to allocate that size table, decreasing the
order until a successful allocation is made. Then, with the resultant
successful order we compute the number of buckets that hash table supports,
which we then round down to the nearest power of two, giving us the number
of entries the table actually supports.
I've tested this locally here, using non-debug and spinlock-debug kernels,
and the number of entries in the hashtable consistently work out to be
powers of two in all cases.
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
CC: Dmitry Vyukov <dvyukov@google.com>
CC: Vladislav Yasevich <vyasevich@gmail.com>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Patch <703df6c09795> ("power: bq27xxx_battery: Reorganize I2C
into a module") has removed the device name numbering from
bq27xxx_battery_i2c_probe. Fix that by restoring the code.
Fixes: 703df6c097
Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Update reviewers for bq27xxx, so that Pali and Andrew
are reviewers with status and maintainer inherited from
the power supply subsystem entry.
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Andrew F. Davis <afd@ti.com>
This patch fixes the problem that more CAN messages could be sent to the
interface as could be send on the CAN bus. This was more likely for slow baud
rates. The sleeping _start_xmit was woken up in the _write_bulk_callback. Under
heavy TX load this produced another bulk transfer without checking the
free_slots variable and hence caused the overflow in the interface.
Signed-off-by: Gerhard Uttenthaler <uttenthaler@ems-wuensche.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Some platforms don't have DMA, but we should still be able to build USB
drivers for these platforms. They could still be used through vhci_hcd,
usbip_host, or maybe something like USB passthrough in UML from a
capable host.
If NO_DMA=y:
ERROR: "dma_pool_destroy" [drivers/usb/core/usbcore.ko] undefined!
ERROR: "bad_dma_ops" [drivers/usb/core/usbcore.ko] undefined!
ERROR: "dma_pool_free" [drivers/usb/core/usbcore.ko] undefined!
ERROR: "dma_pool_alloc" [drivers/usb/core/usbcore.ko] undefined!
ERROR: "dma_pool_create" [drivers/usb/core/usbcore.ko] undefined!
Add a few checks for CONFIG_HAS_DMA to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The US_DEBUGPX macro uses printk without specifying a kernel log level, so
the default kernel log level is used, which may not match LOGLEVEL_DEBUG
used in usb_stor_dbg. Remove the macro and use usb_store_dbg instead.
Signed-off-by: Victor Dodon <printesoi@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When the device is disconnected poll waiters were not being woken.
Changes for v2:
- add commit summary
- add Fixes and Reported-by tags
Fixes: eb6b92ecc0 ("Add support for receiving USBTMC USB488 SRQ notifications via poll/select")
Reported-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Dave Penkler <dpenkler@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make use of ARCH_RENESAS in place of ARCH_SHMOBILE.
This is part of an ongoing process to migrate from ARCH_SHMOBILE to
ARCH_RENESAS the motivation for which being that RENESAS seems to be a more
appropriate name than SHMOBILE for the majority of Renesas ARM based SoCs.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make use of ARCH_RENESAS in place of ARCH_SHMOBILE.
This is part of an ongoing process to migrate from ARCH_SHMOBILE to
ARCH_RENESAS the motivation for which being that RENESAS seems to be a more
appropriate name than SHMOBILE for the majority of Renesas ARM based SoCs.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The write value is 8bit, but currently writing a larger number (eg a doubled
digit) is not errored but instead gets cast and sets off an action probably
undesired.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To allow for and clean handling of signals an URB is introduced.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Shares the cleanup code between all probe failure paths, instead of
having per-failure cleanup at each point in the function.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There's one point was missed in the patch commit da49889deb ("staging:
binder: Support concurrent 32 bit and 64 bit processes."). When configure
BINDER_IPC_32BIT, the size of binder_uintptr_t was 32bits, but size of
void * is 64bit on 64bit system. Correct it here.
Signed-off-by: Lisa Du <cldu@marvell.com>
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Fixes: da49889deb ("staging: binder: Support concurrent 32 bit and 64 bit processes.")
Cc: <stable@vger.kernel.org>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This reverts commit 4b61b4f205.
As reported by Oliver, this change was unnecessary.
Reported-by: Oliver Neukum <oneukum@suse.com>
Cc: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This reverts commit d8f00cd685.
Tony writes:
This upstream commit is causing an oops:
d8f00cd685 ("usb: hub: do not clear BOS field during reset device")
This patch has already been included in several -stable kernels. Here
are the affected kernels:
4.5.0-rc4 (current git)
4.4.2
4.3.6 (currently in review)
4.1.18
3.18.27
3.14.61
How to reproduce the problem:
Boot kernel with slub debugging enabled (otherwise memory corruption
will cause random oopses later instead of immediately)
Plug in USB 3.0 disk to xhci USB 3.0 port
dd if=/dev/sdc of=/dev/null bs=65536
(where /dev/sdc is the USB 3.0 disk)
Unplug USB cable while dd is still going
Oops is immediate:
Reported-by: Tony Battersby <tonyb@cybernetics.com>
Cc: Du, Changbin <changbin.du@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here are some new device ids.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v4.5-rc5
Here are some new device ids.
Signed-off-by: Johan Hovold <johan@kernel.org>
Pull x86 fixes from Ingo Molnar:
"This is unusually large, partly due to the EFI fixes that prevent
accidental deletion of EFI variables through efivarfs that may brick
machines. These fixes are somewhat involved to maintain compatibility
with existing install methods and other usage modes, while trying to
turn off the 'rm -rf' bricking vector.
Other fixes are for large page ioremap()s and for non-temporal
user-memcpy()s"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Fix vmalloc_fault() to handle large pages properly
hpet: Drop stale URLs
x86/uaccess/64: Handle the caching of 4-byte nocache copies properly in __copy_user_nocache()
x86/uaccess/64: Make the __copy_user_nocache() assembly code more readable
lib/ucs2_string: Correct ucs2 -> utf8 conversion
efi: Add pstore variables to the deletion whitelist
efi: Make efivarfs entries immutable by default
efi: Make our variable validation list include the guid
efi: Do variable name validation tests in utf8
efi: Use ucs2_as_utf8 in efivarfs instead of open coding a bad version
lib/ucs2_string: Add ucs2 -> utf8 helper functions
Pull perf fixes from Ingo Molnar:
"A handful of CPU hotplug related fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Plug potential memory leak in CPU_UP_PREPARE
perf/core: Remove the bogus and dangerous CPU_DOWN_FAILED hotplug state
perf/core: Remove bogus UP_CANCELED hotplug state
perf/x86/amd/uncore: Plug reference leak
- Fix build error on 32-bit with checkpoint restart from Aneesh Kumar
- Fix dedotify for binutils >= 2.26 from Andreas Schwab
- Don't trace hcalls on offline CPUs from Denis Kirjanov
- eeh: Fix stale cached primary bus from Gavin Shan
- eeh: Fix stale PE primary bus from Gavin Shan
- mm: Fix Multi hit ERAT cause by recent THP update from Aneesh Kumar K.V
- ioda: Set "read" permission when "write" is set from Alexey Kardashevskiy
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Merge tag 'powerpc-4.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix build error on 32-bit with checkpoint restart from Aneesh Kumar
- Fix dedotify for binutils >= 2.26 from Andreas Schwab
- Don't trace hcalls on offline CPUs from Denis Kirjanov
- eeh: Fix stale cached primary bus from Gavin Shan
- eeh: Fix stale PE primary bus from Gavin Shan
- mm: Fix Multi hit ERAT cause by recent THP update from Aneesh Kumar K.V
- ioda: Set "read" permission when "write" is set from Alexey Kardashevskiy
* tag 'powerpc-4.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/ioda: Set "read" permission when "write" is set
powerpc/mm: Fix Multi hit ERAT cause by recent THP update
powerpc/powernv: Fix stale PE primary bus
powerpc/eeh: Fix stale cached primary bus
powerpc/pseries: Don't trace hcalls on offline CPUs
powerpc: Fix dedotify for binutils >= 2.26
powerpc/book3s_32: Fix build error with checkpoint restart
Few fixes on drivers nothing major here.
Fixes are: iotdma fix to restart channels, new ID for wildcat
PCH, residue fix for edma, disable irq for non-cyclic in dw.
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Merge tag 'dmaengine-fix-4.5-rc5' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"A few fixes for drivers, nothing major here.
Fixes are: iotdma fix to restart channels, new ID for wildcat PCH,
residue fix for edma, disable irq for non-cyclic in dw"
* tag 'dmaengine-fix-4.5-rc5' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: dw: disable BLOCK IRQs for non-cyclic xfer
dmaengine: edma: fix residue race for cyclic
dmaengine: dw: pci: add ID for WildcatPoint PCH
dmaengine: IOATDMA: fix timer code that continues to restart channels during idle
fallout from adding Tegra210 and rockchip rk3036/rk3368 drivers
this cycle. There's also the random smattering of sparse/checker
fixes, a build "fix" to get the Tango clk driver to compile
because the Kconfig symbol was renamed after the fact, and a clk
gpio fix for a patch mismerge.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk driver fixes from Stephen Boyd:
"An assortment of vendor specific clk drivers fixes, most notably
fallout from adding Tegra210 and rockchip rk3036/rk3368 drivers this
cycle.
There's also the random smattering of sparse/checker fixes, a build
"fix" to get the Tango clk driver to compile because the Kconfig
symbol was renamed after the fact, and a clk gpio fix for a patch
mismerge"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (28 commits)
clk: gpio: Really allow an optional clock= DT property
Revert "clk: qcom: Specify LE device endianness"
clk: versatile: mask VCO bits before writing
clk: tegra: super: Fix sparse warnings for functions not declared as static
clk: tegra: Fix sparse warnings for functions not declared as static
clk: tegra: Fix sparse warning for pll_m
clk: tegra: Use definition for pll_u override bit
clk: tegra: Fix warning caused by pll_u failing to lock
clk: tegra: Fix clock sources for Tegra210 EMC
clk: tegra: Add the APB2APE audio clock on Tegra210
clk: tegra: Add missing of_node_put()
clk: tegra: Fix PLLE SS coefficients
clk: tegra: Fix typos around clearing PLLE bits during enable
clk: tegra: Do not disable PLLE when under hardware control
clk: tegra: Fix pllx dyn step calculation
clk: tegra: pll: Fix potential sleeping-while-atomic
clk: tegra: Fix the misnaming of nvenc from msenc
clk: tegra: Fix naming of MISC registers
clk: tango4: rename ARCH_TANGOX to ARCH_TANGO
clk: scpi: Fix checking return value of platform_device_register_simple()
...
Pull more drm fixes from Dave Airlie:
"Some more fixes trickled in:
A bunch of VC4 ones since it's a pretty new driver not much chance of
regressions, and it fixes GPU resets.
Also one atomic fix, one set of fixes for a common bug in TTM cleanup,
and one i915 hotplug fix"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau: use post-decrement in error handling
drm/atomic: Allow for holes in connector state, v2.
drm/i915: Fix hpd live status bits for g4x
drm/vc4: Use runtime PM to power cycle the device when the GPU hangs.
drm/vc4: Enable runtime PM.
drm/vc4: Fix spurious GPU resets due to BO reuse.
drm/vc4: Drop error message on seqno wait timeouts.
drm/vc4: Fix -ERESTARTSYS error return from BO waits.
drm/vc4: Return an ERR_PTR from BO creation instead of NULL.
drm/vc4: Fix the clear color for the first tile rendered.
drm/vc4: Validate that WAIT_BO padding is cleared.
drm/radeon: use post-decrement in error handling
drm/amdgpu: use post-decrement in error handling
In __request_region, if a conflict with a BUSY and MUXED resource is
detected, then the caller goes to sleep and waits for the resource to be
released. A pointer on the conflicting resource is kept. At wake-up
this pointer is used as a parent to retry to request the region.
A first problem is that this pointer might well be invalid (if for
example the conflicting resource have already been freed). Another
problem is that the next call to __request_region() fails to detect a
remaining conflict. The previously conflicting resource is passed as a
parameter and __request_region() will look for a conflict among the
children of this resource and not at the resource itself. It is likely
to succeed anyway, even if there is still a conflict.
Instead, the parent of the conflicting resource should be passed to
__request_region().
As a fix, this patch doesn't update the parent resource pointer in the
case we have to wait for a muxed region right after.
Reported-and-tested-by: Vincent Pelletier <plr.vincent@gmail.com>
Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>
Tested-by: Vincent Donnefort <vdonnefort@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
In commit 44d2713774 ("Bluetooth: Compress the size of struct
hci_ctrl") we squashed down the size of the structure by using a union
with the assumption that all users would use the flag to determine
whether we had a req_complete or a req_complete_skb.
Unfortunately we had a case in hci_req_cmd_complete() where we weren't
looking at the flag. This can result in a situation where we might be
storing a hci_req_complete_skb_t in a hci_req_complete_t variable, or
vice versa.
During some testing I found at least one case where the function
hci_req_sync_complete() was called improperly because the kernel thought
that it didn't require an SKB. Looking through the stack in kgdb I
found that it was called by hci_event_packet() and that
hci_event_packet() had both of its locals "req_complete" and
"req_complete_skb" pointing to the same place: both to
hci_req_sync_complete().
Let's make sure we always check the flag.
For more details on debugging done, see <http://crbug.com/588288>.
Fixes: 44d2713774 ("Bluetooth: Compress the size of struct hci_ctrl")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
propagate_one(m) calculates "type" argument for copy_tree() like this:
> if (m->mnt_group_id == last_dest->mnt_group_id) {
> type = CL_MAKE_SHARED;
> } else {
> type = CL_SLAVE;
> if (IS_MNT_SHARED(m))
> type |= CL_MAKE_SHARED;
> }
The "type" argument then governs clone_mnt() behavior with respect to flags
and mnt_master of new mount. When we iterate through a slave group, it is
possible that both current "m" and "last_dest" are not shared (although,
both are slaves, i.e. have non-NULL mnt_master-s). Then the comparison
above erroneously makes new mount shared and sets its mnt_master to
last_source->mnt_master. The patch fixes the problem by handling zero
mnt_group_id-s as though they are unequal.
The similar problem exists in the implementation of "else" clause above
when we have to ascend upward in the master/slave tree by calling:
> last_source = last_source->mnt_master;
> last_dest = last_source->mnt_parent;
proper number of times. The last step is governed by
"n->mnt_group_id != last_dest->mnt_group_id" condition that may lie if
both are zero. The patch fixes this case in the same way as the former one.
[AV: don't open-code an obvious helper...]
Signed-off-by: Maxim Patlasov <mpatlasov@virtuozzo.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
It forgets kunmap() on a failure exit, but there's really no point keeping
the page kmapped at all - after all, what we are doing is a bunch of memcpy()
into the parts of page, so kmap_atomic()/kunmap_atomic() just around those
memcpy() is enough.
Spotted-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
The code could leak xattrs->lock on error.
Problem introduced with 786534b92f "tmpfs: listxattr should
include POSIX ACL xattrs".
Signed-off-by: Mateusz Guzik <mguzik@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
The user-visible impact of the issue is for example that without this
patch sensors-detect breaks when trying to seek in /dev/cpu/0/cpuid.
'~0ULL' is a 'unsigned long long' that when converted to a loff_t,
which is signed, gets turned into -1. later in vfs_setpos we have
'if (offset > maxsize)', which makes it always return EINVAL.
Fixes: b25472f9b9 ("new helpers: no_seek_end_llseek{,_size}()")
Signed-off-by: Wouter van Kesteren <woutershep@gmail.com>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
The PHY link state is not chaged in GENETv2 caused by the previous
commit 49f7a471e4 ("net: bcmgenet: Properly configure PHY to ignore
interrupt") was set to PHY_IGNORE_INTERRUPT in bcmgenet_mii_probe().
The internal PHY should use phy_mac_interrupt() when not in use
PHY_POLL. The statement for phy_mac_interrupt() has two conditions. The
first condition to check GENET_HAS_MDIO_INTR is not related PHY link
state, so this patch removes it.
Fixes: 49f7a471e4 ("net: bcmgenet: Properly configure PHY to ignore interrupt")
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller