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The current IPSEC rule resolution behavior we have does not work for a
lot of people, even though technically it's an improvement from the
-EAGAIN buisness we had before.
Right now we'll block until the key manager resolves the route. That
works for simple cases, but many folks would rather packets get
silently dropped until the key manager resolves the IPSEC rules.
We can't tell these folks to "set the socket non-blocking" because
they don't have control over the non-block setting of things like the
sockets used to resolve DNS deep inside of the resolver libraries in
libc.
With that in mind I coded up the patch below with some help from
Herbert Xu which provides packet-drop behavior during larval state
resolution, controllable via sysctl and off by default.
This lays the framework to either:
1) Make this default at some point or...
2) Move this logic into xfrm{4,6}_policy.c and implement the
ARP-like resolution queue we've all been dreaming of.
The idea would be to queue packets to the policy, then
once the larval state is resolved by the key manager we
re-resolve the route and push the packets out. The
packets would timeout if the rule didn't get resolved
in a certain amount of time.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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sys_setsockopt() do not check properly timeout values for
SO_RCVTIMEO/SO_SNDTIMEO, for example it's possible to set negative timeout
values. POSIX do not defines behaviour for sys_setsockopt in case negative
timeouts, but requires that setsockopt() shall fail with -EDOM if the send and
receive timeout values are too big to fit into the timeout fields in the socket
structure.
In current implementation negative timeout can lead to error messages like
"schedule_timeout: wrong timeout value".
Proposed patch:
- checks tv_usec and returns -EDOM if it is wrong
- do not allows to set negative timeout values (sets 0 instead) and outputs
ratelimited information message about such attempts.
Signed-off-By: Vasily Averin <vvs@sw.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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They're the same.
Signed-off-by: Jing Min Zhao <zhaojingmin@vivecode.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add missing process of T.120 address in OpenLogicalChannelAck signal.
Signed-off-by: Jing Min Zhao <zhaojingmin@vivecode.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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According to the implementation of H.323, it's not necessary to check
the addresses in Information signals.
Signed-off-by: Jing Min Zhao <zhaojingmin@vivecode.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update get_h225_addr() to meet the changes in ASN.1 types. It was using
field ip6 to access IPv6 TransportAddress, it should be ip according the
ASN.1 definition.
Signed-off-by: Jing Min Zhao <zhaojingmin@vivecode.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1. Add support for decoding IPv6 address. I know it was manually added in
the header file, but not in the template file. That wouldn't work.
2. Add missing support for decoding T.120 address in OLCA.
3. Remove unnecessary decoding of Information signal.
Signed-off-by: Jing Min Zhao <zhaojingmin@vivecode.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the packet size is changed by the FTP NAT helper, the connection
tracking helper adjusts the sequence number of the newline character
by the size difference. This is wrong because NAT sequence number
adjustment happens after helpers are called, so the unadjusted number
is compared to the already adjusted one.
Based on report by YU, Haitao <yuhaitao@tsinghua.org.cn>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When trying to locate the oldest entry in the history of newline character
sequence numbers, the sequence number of the current entry is incorrectly
compared with the index of the oldest sequence number instead of the number
itself.
Additionally it is not made sure that the current sequence number really
is after the oldest known one.
Based on report by YU, Haitao <yuhaitao@tsinghua.org.cn>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The event cache time must be an absolute value, when no event exists
it is incorrectly set to 1s instead of 1s in the future.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Jon Paul Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When you replace route via ip r r command the netlink multicast message is
not send. This patch corrects it. NL message is sent with NLM_F_REPLACE
flag.
Addresses http://bugzilla.kernel.org/show_bug.cgi?id=8320
Signed-off-by: Milan Kocian <milon@wq.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use menuconfigs instead of menus, so the whole menu can be disabled at
once instead of going through all options.
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use menuconfigs instead of menus, so the whole menu can be disabled at
once instead of going through all options.
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use menuconfigs instead of menus, so the whole menu can be disabled at
once instead of going through all options.
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use menuconfigs instead of menus, so the whole menu can be disabled at
once instead of going through all options.
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use menuconfigs instead of menus, so the whole menu can be disabled at once
instead of going through all options.
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use menuconfigs instead of menus, so the whole menu can be disabled at
once instead of going through all options.
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use mutex instead of binary semaphore in idt77252 driver.
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Urs Thuermann <urs@isnogud.escape.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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My previous patch that changed the return value of qdisc_restart
incorrectly made the case where dequeue returns empty continue
processing packets.
This patch is based on diagnosis and fix by Patrick McHardy.
Reported-and-debugged-by: Anant Nitya <kernel@prachanda.info>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* 'fixes' of git://git.linux-nfs.org/pub/linux/nfs-2.6:
NFS: Fix nfs_direct_dirty_pages()
NFS: Fix handful of compiler warnings in direct.c
NFS: Avoid a deadlock situation on write
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This reverts commit 722385f75efd82d9f480f0765a1e97a4d83cac0d (or commit
3f27100872b21e4cc70d07b96eeb3611b30bce63, it's your choice ;), since the
same patch to Documentation/HOWTO got added twice because it just kept
applying cleanly.
Noted by Qi Yong.
Cc: Qi Yong <qiyong@fc-cn.com>
Acked-by: Diego Calleja <diegocg@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
[CRYPTO] geode: Fix in-place operations and set key
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
mmc: add maintainer for ARM Primecell controller
mmc: add maintainer for iMX MMC interface
mmc: Add maintainers for TI OMAP MMC interface
mmc: mark unmaintained drivers
mmc: clean up unused parts of block driver
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With irqpoll enabled, trying to test the IRQF_IRQPOLL flag in the
actions would cause a NULL pointer dereference if no action was
installed (for example, the driver might have been unloaded with
interrupts still pending).
So be a bit more careful about testing the flag by making sure to test
for that case.
(The actual _change_ is trivial, the patch is more than a one-liner
because I rewrote the testing to also be much more readable.
Original (discarded) bugfix by Bernhard Walle.
Cc: Bernhard Walle <bwalle@suse.de>
Tested-by: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We only need to dirty the pages that were actually read in.
Also convert nfs_direct_dirty_pages() to call set_page_dirty() instead of
set_page_dirty_lock(). A call to lock_page() is unacceptable in an rpciod
callback function.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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This patch fixes a couple of signage issues that were causing an Oops
when running the LTP diotest4 test. get_user_pages() returns a signed
error, hence we need to be careful when comparing with the unsigned
number of pages from data->npages.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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When processes are allowed to attempt to lock a non-contiguous range of nfs
write requests, it is possible for generic_writepages to 'wrap round' the
address space, and call writepage() on a request that is already locked by
the same process.
We avoid the deadlock by checking if the page index is contiguous with the
list of nfs write requests that is already held in our
nfs_pageio_descriptor prior to attempting to lock a new request.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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The L2CAP configuration parameter handling was missing the support
for rejecting unknown options. The capability to reject unknown
options is mandatory since the Bluetooth 1.2 specification. This
patch implements its and also simplifies the parameter parsing.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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In case of Broadcom based Bluetooth devices, it is safe to always
send HCI_Reset as first command. This gives the advantage that
all HID Proxy versions will automatically work and don't need any
additional quirks anymore.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Allow in-place crypto operations. Also remove the coherent user flag
(we use it automagically now), and by default use the user written
key rather then the HW hidden key - this makes crypto just work without
any special considerations, and thats OK, since its our only usage
model.
Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Russell King handles this driver.
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Pavel Pisa takes on the role of administrating this driver.
Signed-off-by: Pavel Pisa <ppisa@pikron.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Carlos Aguiar and Anderson Briglia are interested in making sure
the driver works for existing boards as they have access to them,
and Syed Khasim can make it work for new omaps (2430, 3430).
Signed-off-by: Syed Khasim <x0khasim@ti.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Most of the host controller drivers in the MMC layer lacks an
official maintainer. Make sure this is mentioned in MAINTAINERS
in case someone wants to pick up the ball.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Remove dead code and unused structs from the block driver.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Textual clarifications (and fix an off-by-one error) based on feedback
mostly from Jeremy Fitzhardinge.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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WARNING: arch/i386/mach-generic/built-in.o(.data+0xc4): Section mismatch: reference to .init.text: (between 'apic_bigsmp' and 'cpu.4905')
This appears to be resolvable by removing all the __init and __initdata
qualifiers from arch/i386/mach-generic/bigsmp.c
Signed-off-by: William Irwin <bill.irwin@oracle.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Squash these:
drivers/isdn/hardware/eicon/message.c: In function 'api_put':
drivers/isdn/hardware/eicon/message.c:536: warning: cast from pointer to integer of different size
drivers/isdn/hardware/eicon/message.c: In function 'plci_free_msg_in_queue':
drivers/isdn/hardware/eicon/message.c:1035: warning: cast to pointer from integer of different size
drivers/isdn/hardware/eicon/message.c: In function 'data_b3_req':
drivers/isdn/hardware/eicon/message.c:3121: warning: cast to pointer from integer of different size
drivers/isdn/hardware/eicon/message.c:3154: warning: cast to pointer from integer of different size
drivers/isdn/hardware/eicon/message.c: In function 'callback':
drivers/isdn/hardware/eicon/message.c:4060: warning: cast to pointer from integer of different size
drivers/isdn/hardware/eicon/message.c: In function 'nl_ind':
drivers/isdn/hardware/eicon/message.c:7137: warning: cast from pointer to integer of different size
Cc: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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squish these:
drivers/isdn/hardware/eicon/capifunc.c: In function 'TransmitBufferSet':
drivers/isdn/hardware/eicon/capifunc.c:192: warning: cast to pointer from integer of different size
drivers/isdn/hardware/eicon/capifunc.c: In function 'TransmitBufferGet':
drivers/isdn/hardware/eicon/capifunc.c:197: warning: cast from pointer to integer of different size
drivers/isdn/hardware/eicon/capifunc.c:198: warning: cast from pointer to integer of different size
drivers/isdn/hardware/eicon/capifunc.c:200: warning: cast from pointer to integer of different size
drivers/isdn/hardware/eicon/capifunc.c: In function 'TransmitBufferFree':
drivers/isdn/hardware/eicon/capifunc.c:205: warning: cast from pointer to integer of different size
drivers/isdn/hardware/eicon/capifunc.c:206: warning: cast from pointer to integer of different size
drivers/isdn/hardware/eicon/capifunc.c: In function 'sendf':
drivers/isdn/hardware/eicon/capifunc.c:304: warning: cast to pointer from integer of different size
drivers/isdn/hardware/eicon/capifunc.c:304: warning: cast to pointer from integer of different size
drivers/isdn/hardware/eicon/capifunc.c:321: warning: cast to pointer from integer of different size
Cc: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The omap_uwire controller driver handles SPI_CPHA incorrectly;
It should mean:
CPHA=0 ... sample at leading edge of clock
CPHA=1 ... sample at trailing edge of clock
This bug has been masked by inverse bugs in layered drivers;
and was uncovered by running some of them on non-OMAP hardware.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix various grammatical issues in Documentation/memory-barriers.txt.
Cc: "Robert P. J. Day" <rpjday@mindspring.com>
Signed-off-by: Jarek Poplawski <jarkao2@o2.pl>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The check (boot_cpu_data.x86 == 3) in atomic_add_return() and
local_add_return() fails, when those operations are used before
boot_cpu_data is filled in.
Change the check to (boot_cpu_data.x86 <= 3) to fix this.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The NOHZ patch contains a check for softirqs pending when a CPU goes idle.
The BUG is unrelated to NOHZ, it just was made visible by the NOHZ patch.
The BUG showed up mainly on P4 / hyperthreading enabled machines which lead
the investigations into the wrong direction in the first place. The real
cause is in cond_resched_softirq():
cond_resched_softirq() is enabling softirqs without invoking the softirq
daemon when softirqs are pending. This leads to the warning message in the
NOHZ idle code:
t1 runs softirq disabled code on CPU#0
interrupt happens, softirq is raised, but deferred (softirqs disabled)
t1 calls cond_resched_softirq()
enables softirqs via _local_bh_enable()
calls schedule()
t2 runs
t1 is migrated to CPU#1
t2 is done and invokes idle()
NOHZ detects the pending softirq
Fix: change _local_bh_enable() to local_bh_enable() so the softirq
daemon is invoked.
Thanks to Anant Nitya for debugging this with great patience !
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The patch fixes bug http://bugzilla.kernel.org/show_bug.cgi?id=7482.
It sets USB snooping on 4G space for PowerPC platforms without
CONFIG_NOT_COHERENT_CACHE defined.
Reported-by: Stefan Meyer <reyems@telkomsa.net>
Signed-off-by: Li Yang <leoli@freescale.com>
Cc: Greg KH <greg@kroah.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Document the available clocksources per platform and move clocksource= into
the correct (alpha) location in the file.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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