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It is possible that the handler gets interrupted after checking the
status. After it resumes the time out is due but the condition it was
waiting for might be true as well. Therefore it is necessary to check
the condition in case of an time out to be sure that the condition is
not true after the time passed by.
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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The core can do the validation for us.
Signed-off-by: Mark Brown <[email protected]>
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This driver only supports bits_per_word==8, so inform the SPI core of
this. Remove all the open-coded validation that's no longer needed.
Signed-off-by: Stephen Warren <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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Allow SPI masters to define the set of bits_per_word values they support.
If they do this, then the SPI core will reject transfers that attempt to
use an unsupported bits_per_word value. This eliminates the need for each
SPI driver to implement this checking in most cases.
Signed-off-by: Stephen Warren <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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The pointer to the driver data is never used to get the slave
controller data. We can delete the unused argument from the function.
Signed-off-by: Matthias Brugger <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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Use devm_ioremap_resource() which provides its own error messages.
Signed-off-by: Jonas Gorski <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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bcm63xx_spi_setup_transfer is called from only one place, and that has
t always set, to hz will always be t->speed_hz - just use it directly in
the two places instead of moving it in a local variable.
Signed-off-by: Jonas Gorski <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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It only does one check, so just do the check directly in the caller.
Signed-off-by: Jonas Gorski <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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The check would belong in bcm63xx_spi_setup if the spi subsystem
weren't already doing the check for us, so just drop it.
Signed-off-by: Jonas Gorski <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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bcm63xx_spi_check_transfer is only called from one place that has
t always set, so directly check the transfer's bits_per_word.
Signed-off-by: Jonas Gorski <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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Instead of fixing up the bits_per_word (which the spi subsystem already
does for us), check it for supported values.
Signed-off-by: Jonas Gorski <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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It is only written, but never read.
Signed-off-by: Jonas Gorski <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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The spi subsystem already provides this info in a more extensive
debug print except for the nsecs/bit - which wasn't calculated anyway
and fixed to 0.
Signed-off-by: Jonas Gorski <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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The spi subsystem already checks the mode bits before calling setup.
Signed-off-by: Jonas Gorski <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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Use proper clk_prepare/unprepare calls in preparation for switching
to the generic clock framework.
Signed-off-by: Jonas Gorski <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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When msg_ctl_width is set to an invalid value we try to disable the
clock despite it never being enabled. Fix it by jumping to the correct
label.
Signed-off-by: Jonas Gorski <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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This fixes the following warning:
drivers/spi/spi-bcm63xx.c: In function 'bcm63xx_spi_setup':
drivers/spi/spi-bcm63xx.c:157:6: warning: unused variable 'ret'
Signed-off-by: Kevin Cernekee <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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The prepare_transfer_hardware() is called in atomic context and
calling synchronous runtime pm calls can create scheduling deadlock.
Therefore, in place of calling runtime PM calls from prepare/unprepare
message transfer, calling this in transfer_one_message().
Signed-off-by: Laxman Dewangan <[email protected]>
Tested-by: Stephen Warren <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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Intel LPSS SPI controllers need to have bit 0 (disable_ssp_dma_finish) set
in SSP_REG in order to properly perform DMA transfers spanning over
multiple blocks.
Signed-off-by: Mika Westerberg <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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The function returns 0 on success and negative errno in case of failure.
Fix this.
Signed-off-by: Mika Westerberg <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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The BCM2835 contains two forms of SPI master controller (one known
simply as SPI0, and the other known as the "Universal SPI Master", in
the auxilliary block) and one form of SPI slave controller. This patch
adds support for the SPI0 controller.
This driver is taken from Chris Boot's repository at
git://github.com/bootc/linux.git rpi-linear
as of commit 6de2905 "spi-bcm2708: fix printf with spurious %s".
In the first SPI-related commit there, Chris wrote:
Thanks to csoutreach / A Robinson for his driver which I used as an
inspiration. You can find his version here:
http://piface.openlx.org.uk/raspberry-pi-spi-kernel-driver-available-for
Changes made during upstreaming:
* Renamed bcm2708 to bcm2835 as per upstream naming for this SoC.
* Removed support for brcm,realtime property.
* Increased transfer timeout to 30 seconds.
* Return IRQ_NONE from the IRQ handler if no interrupt was handled.
* Disable TA (Transfer Active) and clear FIFOs on a transfer timeout.
* Wrote device tree binding documentation.
* Request unnamed clock rather than "sys_pclk"; the DT will provide the
correct clock.
* Assume that tfr->speed_hz and tfr->bits_per_word are always set in
bcm2835_spi_start_transfer(), bcm2835_spi_transfer_one(), so no need
to check spi->speed_hz or tft->bits_per_word.
* Re-ordered probe() to remove the need for temporary variables.
* Call clk_disable_unprepare() rather than just clk_unprepare() on probe()
failure.
* Don't use devm_request_irq(), to ensure that the IRQ doesn't fire after
we've torn down the device, but not unhooked the IRQ.
* Moved probe()'s call to clk_prepare_enable() so we can be sure the clock
is enabled if the IRQ handler fires immediately.
* Remove redundant checks from bcm2835_spi_check_transfer() and
bcm2835_spi_setup().
* Re-ordered IRQ handler to check for RXR before DONE. Added comments to
ISR.
* Removed empty prepare/unprepare implementations.
* Removed use of devinit/devexit.
* Added BCM2835_ prefix to defines.
Signed-off-by: Chris Boot <[email protected]>
Signed-off-by: Stephen Warren <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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In case of error, the function platform_device_register_full()
returns ERR_PTR() and never returns NULL. The NULL test in the
return value check should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <[email protected]>
Acked-by: Mika Westerberg <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull namespace bugfixes from Eric Biederman:
"This is three simple fixes against 3.9-rc1. I have tested each of
these fixes and verified they work correctly.
The userns oops in key_change_session_keyring and the BUG_ON triggered
by proc_ns_follow_link were found by Dave Jones.
I am including the enhancement for mount to only trigger requests of
filesystem modules here instead of delaying this for the 3.10 merge
window because it is both trivial and the kind of change that tends to
bit-rot if left untouched for two months."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
proc: Use nd_jump_link in proc_ns_follow_link
fs: Limit sys_mount to only request filesystem modules (Part 2).
fs: Limit sys_mount to only request filesystem modules.
userns: Stop oopsing in key_change_session_keyring
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There is a more complete atmel patch-series out by Nick Dyer that fixes
this and other things, but in the meantime this is the minimal thing to
get the touchscreen going on (at least my) Pixel Chromebook.
Not that I want my dirty fingers near that beautiful screen, but it
seems that a non-initialized touchscreen will also end up being a
constant wakeup source, so you have to disable it to go to sleep. And
it's easier to just fix the initialization sequence.
Signed-off-by: Linus Torvalds <[email protected]>
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Update proc_ns_follow_link to use nd_jump_link instead of just
manually updating nd.path.dentry.
This fixes the BUG_ON(nd->inode != parent->d_inode) reported by Dave
Jones and reproduced trivially with mkdir /proc/self/ns/uts/a.
Sigh it looks like the VFS change to require use of nd_jump_link
happend while proc_ns_follow_link was baking and since the common case
of proc_ns_follow_link continued to work without problems the need for
making this change was overlooked.
Cc: [email protected]
Signed-off-by: "Eric W. Biederman" <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"These are scattered fixes and one performance improvement. The
biggest functional change is in how we throttle metadata changes. The
new code bumps our average file creation rate up by ~13% in fs_mark,
and lowers CPU usage.
Stefan bisected out a regression in our allocation code that made
balance loop on extents larger than 256MB."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: improve the delayed inode throttling
Btrfs: fix a mismerge in btrfs_balance()
Btrfs: enforce min_bytes parameter during extent allocation
Btrfs: allow running defrag in parallel to administrative tasks
Btrfs: avoid deadlock on transaction waiting list
Btrfs: do not BUG_ON on aborted situation
Btrfs: do not BUG_ON in prepare_to_reloc
Btrfs: free all recorded tree blocks on error
Btrfs: build up error handling for merge_reloc_roots
Btrfs: check for NULL pointer in updating reloc roots
Btrfs: fix unclosed transaction handler when the async transaction commitment fails
Btrfs: fix wrong handle at error path of create_snapshot() when the commit fails
Btrfs: use set_nlink if our i_nlink is 0
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Add basic platform data to get the current upstream driver working
with the 224s touchpad and 1664s touchscreen.
We will be using NULL config so we will use the settings from the
devices' NVRAMs.
Signed-off-by: Benson Leung <[email protected]>
Tested-by: Olof Johansson <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This same driver can be used by atmel based touchscreens and touchpads
(buttonpads). Platform data may specify a device is a touchpad
using the is_tp flag.
This will cause the driver to perform some touchpad specific
initializations, such as:
* register input device name "Atmel maXTouch Touchpad" instead of
Touchscreen.
* register BTN_LEFT & BTN_TOOL_* event types.
* register axis resolution (as a fixed constant, for now)
* register BUTTONPAD property
* process GPIO buttons using reportid T19
Input event GPIO mapping is done by the platform data key_map array.
key_map[x] should contain the KEY or BTN code to send when processing
GPIOx from T19. To specify a GPIO as not an input source, populate
with KEY_RESERVED, or 0.
Signed-off-by: Daniel Kurtz <[email protected]>
Signed-off-by: Benson Leung <[email protected]>
Signed-off-by: Nick Dyer <[email protected]>
Tested-by: Olof Johansson <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Pull CIFS fixes from Steve French:
"A small set of cifs fixes which includes one for a recent regression
in the write path (pointed out by Anton), some fixes for rename
problems and as promised for 3.9 removing the obsolete sockopt mount
option (and the accompanying deprecation warning)."
* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
CIFS: Fix missing of oplock_read value in smb30_values structure
cifs: don't try to unlock pagecache page after releasing it
cifs: remove the sockopt= mount option
cifs: Check server capability before attempting silly rename
cifs: Fix bug when checking error condition in cifs_rename_pending_delete()
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Merge misc fixes from Andrew Morton.
* emailed patches from Andrew Morton <[email protected]>:
alpha: boot: fix build breakage introduced by system.h disintegration
memcg: initialize kmem-cache destroying work earlier
Randy has moved
ksm: fix m68k build: only NUMA needs pfn_to_nid
dmi_scan: fix missing check for _DMI_ signature in smbios_present()
Revert parts of "hlist: drop the node parameter from iterators"
idr: remove WARN_ON_ONCE() on negative IDs
mm/mempolicy.c: fix sp_node_init() argument ordering
mm/mempolicy.c: fix wrong sp_node insertion
ipc: don't allocate a copy larger than max
ipc: fix potential oops when src msg > 4k w/ MSG_COPY
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Commit ec2212088c42 ("Disintegrate asm/system.h for Alpha") removed the
system.h include from boot/head.S, which puts the PAL_* asm constants
out of scope.
Include <asm/pal.h> so we can get building again.
Signed-off-by: Will Deacon <[email protected]>
Cc: David Rusling <[email protected]>
Cc: David Howells <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Fix a warning from lockdep caused by calling cancel_work_sync() for
uninitialized struct work. This path has been triggered by destructon
kmem-cache hierarchy via destroying its root kmem-cache.
cache ffff88003c072d80
obj ffff88003b410000 cache ffff88003c072d80
obj ffff88003b924000 cache ffff88003c20bd40
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
Pid: 2825, comm: insmod Tainted: G O 3.9.0-rc1-next-20130307+ #611
Call Trace:
__lock_acquire+0x16a2/0x1cb0
lock_acquire+0x8a/0x120
flush_work+0x38/0x2a0
__cancel_work_timer+0x89/0xf0
cancel_work_sync+0xb/0x10
kmem_cache_destroy_memcg_children+0x81/0xb0
kmem_cache_destroy+0xf/0xe0
init_module+0xcb/0x1000 [kmem_test]
do_one_initcall+0x11a/0x170
load_module+0x19b0/0x2320
SyS_init_module+0xc6/0xf0
system_call_fastpath+0x16/0x1b
Example module to demonstrate:
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/workqueue.h>
int __init mod_init(void)
{
int size = 256;
struct kmem_cache *cache;
void *obj;
struct page *page;
cache = kmem_cache_create("kmem_cache_test", size, size, 0, NULL);
if (!cache)
return -ENOMEM;
printk("cache %p\n", cache);
obj = kmem_cache_alloc(cache, GFP_KERNEL);
if (obj) {
page = virt_to_head_page(obj);
printk("obj %p cache %p\n", obj, page->slab_cache);
kmem_cache_free(cache, obj);
}
flush_scheduled_work();
obj = kmem_cache_alloc(cache, GFP_KERNEL);
if (obj) {
page = virt_to_head_page(obj);
printk("obj %p cache %p\n", obj, page->slab_cache);
kmem_cache_free(cache, obj);
}
kmem_cache_destroy(cache);
return -EBUSY;
}
module_init(mod_init);
MODULE_LICENSE("GPL");
Signed-off-by: Konstantin Khlebnikov <[email protected]>
Cc: Glauber Costa <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Update email address and CREDITS info. xenotime.net is defunct.
Signed-off-by: Randy Dunlap <[email protected]>
Cc: Harry Wei <[email protected]>
Cc: Keiichi KII <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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A CONFIG_DISCONTIGMEM=y m68k config gave
mm/ksm.c: In function `get_kpfn_nid':
mm/ksm.c:492: error: implicit declaration of function `pfn_to_nid'
linux/mmzone.h declares it for CONFIG_SPARSEMEM and CONFIG_FLATMEM, but
expects the arch's asm/mmzone.h to declare it for CONFIG_DISCONTIGMEM
(see arch/mips/include/asm/mmzone.h for example).
Or perhaps it is only expected when CONFIG_NUMA=y: too much of a maze,
and m68k got away without it so far, so fix the build in mm/ksm.c.
Signed-off-by: Hugh Dickins <[email protected]>
Reported-by: Geert Uytterhoeven <[email protected]>
Cc: Petr Holasek <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Commit 9f9c9cbb6057 ("drivers/firmware/dmi_scan.c: fetch dmi version
from SMBIOS if it exists") hoisted the check for "_DMI_" into
dmi_scan_machine(), which means that we don't bother to check for
"_DMI_" at offset 16 in an SMBIOS entry. smbios_present() may also call
dmi_present() for an address where we found "_SM_", if it failed further
validation.
Check for "_DMI_" in smbios_present() before calling dmi_present().
[[email protected]: fix build]
Signed-off-by: Ben Hutchings <[email protected]>
Reported-by: Tim McGrath <[email protected]>
Tested-by: Tim Mcgrath <[email protected]>
Cc: Zhenzhong Duan <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Commit b67bfe0d42ca ("hlist: drop the node parameter from iterators")
did a lot of nice changes but also contains two small hunks that seem to
have slipped in accidentally and have no apparent connection to the
intent of the patch.
This reverts the two extraneous changes.
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: Peter Senna Tschudin <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: Sasha Levin <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Rusty Russell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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idr_find(), idr_remove() and idr_replace() used to silently ignore the
sign bit and perform lookup with the rest of the bits. The weird behavior
has been changed such that negative IDs are treated as invalid. As the
behavior change was subtle, WARN_ON_ONCE() was added in the hope of
determining who's calling idr functions with negative IDs so that they can
be examined for problems.
Up until now, all two reported cases are ID number coming directly from
userland and getting fed into idr_find() and the warnings seem to cause
more problems than being helpful. Drop the WARN_ON_ONCE()s.
Signed-off-by: Tejun Heo <[email protected]>
Reported-by: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Currently, n_new is wrongly initialized. start and end parameter are
inverted. Let's fix it.
Signed-off-by: KOSAKI Motohiro <[email protected]>
Cc: Hillf Danton <[email protected]>
Cc: Sasha Levin <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Dave Jones <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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n->end is accessed in sp_insert(). Thus it should be update
before calling sp_insert(). This mistake may make kernel panic.
Signed-off-by: Hillf Danton <[email protected]>
Signed-off-by: KOSAKI Motohiro <[email protected]>
Cc: Sasha Levin <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Dave Jones <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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When MSG_COPY is set, a duplicate message must be allocated for the copy
before locking the queue. However, the copy could not be larger than was
sent which is limited to msg_ctlmax.
Signed-off-by: Peter Hurley <[email protected]>
Acked-by: Stanislav Kinsbursky <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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If the src msg is > 4k, then dest->next points to the
next allocated segment; resetting it just prior to dereferencing
is bad.
Signed-off-by: Peter Hurley <[email protected]>
Acked-by: Stanislav Kinsbursky <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull tile architecture fixes from Chris Metcalf:
"This fixes the bug that Al Viro spotted with the compat llseek code.
I also fixed the compat syscall definitions to use the new syscall
define macros to properly sign-extend their arguments."
* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
tile: properly use COMPAT_SYSCALL_DEFINEx
tile: work around bug in the generic sys_llseek
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git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag
Pull metag bugfixes from James Hogan:
"A couple of fairly minor arch/metag integration fixes from v3.9-rc1:
- remove SET_PERSONALITY(): use default definition like other arches
now do.
- inhibit NUMA balancing: like SH, NUMA is used for memories with
different latencies. ARCH_WANT_VARIABLE_LOCALITY has been added
for this purpose."
* tag 'metag-for-v3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
metag: Inhibit NUMA balancing.
metag: remove SET_PERSONALITY()
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"All are boring small fixes in various parts:
- A few possible NULL-dereference or zero-division Oops fixes
- Fix vmaster slave volume notification
- Add codec ID for ALC233
- Various fixes in several ASoC WM codecs
- ASoC tegra i2c fix
Sorry if you wanted a thrilling adventure with huge sharks :)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: ice1712: Initialize card->private_data properly
ALSA: hda - Add support of new codec ALC233
ALSA: hda/ca0132 - Avoid division by zero in dspxfr_one_seg()
ALSA: hda - check NULL pointer when creating SPDIF PCM switch
ALSA: hda - check NULL pointer when creating SPDIF controls
ASoC: wm5102: Apply a SYSCLK patch for later revs
ALSA: vmaster: Fix slave change notification
ASoC: tegra: fix I2S bit count mask
ALSA: seq: seq_oss_event: missing range checks
ASoC: wm8350: Use jiffies rather than msecs in schedule_delayed_work()
ASoC: wm5110: Correct OUT2/3 volume and switch names
ASoC: wm5102: Correct OUT2 volume and switch names
ASoC: wm8960: Fix ADC power bits
ASoC: wm8960: Correct register 0 and 1 defaults
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fix from Jiri Kosina:
"Bugfix for a long-standing bug in logitech-dj driver causing all sorts
of random initialization problems, finally debugged by Benjamin
Tissoires with help of Bob Bowles."
* 'for-3.9/upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: logitech-dj: do not directly call hid_output_raw_report() during probe
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull random fixes from Ted Ts'o:
"Fix a circular locking dependency in random's collection of cputime
used by a thread when it exits."
* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
random: fix locking dependency with the tasklist_lock
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It's "normal" - it can happen if the file descriptor you followed was
opened with O_NOFOLLOW.
Reported-by: Dave Jones <[email protected]>
Cc: Al Viro <[email protected]>
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
"Several boot fixes (MacBook, legacy EFI bootloaders), another
please-don't-brick fix, and some minor stuff."
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Do not try to sync identity map for non-mapped pages
x86, doc: Be explicit about what the x86 struct boot_params requires
x86: Don't clear efi_info even if the sentinel hits
x86, mm: Make sure to find a 2M free block for the first mapped area
x86: Fix 32-bit *_cpu_data initializers
efivarfs: return accurate error code in efivarfs_fill_super()
efivars: efivarfs_valid_name() should handle pstore syntax
efi: be more paranoid about available space when creating variables
iommu, x86: Add DMA remap fault reason
x86, smpboot: Remove unused variable
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