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Pablo Neira Ayuso says:
====================
The following patchset contains Netfilter fixes for you net tree,
mostly targeted to ipset, they are:
* Fix ICMPv6 NAT due to wrong comparison, code instead of type, from
Phil Oester.
* Fix RCU race in conntrack extensions release path, from Michal Kubecek.
* Fix missing inversion in the userspace ipset test command match if
the nomatch option is specified, from Jozsef Kadlecsik.
* Skip layer 4 protocol matching in ipset in case of IPv6 fragments,
also from Jozsef Kadlecsik.
* Fix sequence adjustment in nfnetlink_queue due to using the netlink
skb instead of the network skb, from Gao feng.
* Make sure we cannot swap of sets with different layer 3 family in
ipset, from Jozsef Kadlecsik.
* Fix possible bogus matching in ipset if hash sets with net elements
are used, from Oliver Smith.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit afbd8bae9c798c5cdbe4439d3a50536b5438247c
vxlan: add implicit fdb entry for default destination
creates an implicit fdb entry for default destination. This results
in an invalid fdb entry if default destination is not specified.
For ex:
ip link add vxlan1 type vxlan id 100
creates the following fdb entry
00:00:00:00:00:00 dev vxlan1 dst 0.0.0.0 self permanent
This patch fixes this issue by creating an fdb entry only if a
valid default destination is specified.
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 1b7fdd2ab5852 ("tcp: do not use cached RTT for RTT estimation")
did not correctly account for the fact that crtt is the RTT shifted
left 3 bits. Fix the calculation to consistently reflect this fact.
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-By: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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instead of <asm/io.h>
clears following warnings :
WARNING: Use include <linux/io.h> instead of <asm/io.h>
WARNING: Use include <linux/uaccess.h> instead of <asm/uaccess.h>
Signed-off-by: Avinash Kumar <avi.kp.137@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It has recently turned up that we have a number of long standing bugs
in the network stack cleanup code with use of the loopback device
after it has been freed that have not turned up because in most cases
the storage allocated to the loopback device is not reused, when those
accesses happen.
Set looback_dev to NULL to trigger oopses instead of silent data corrupt
when we hit this class of bug.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fs/namei.c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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When receiving or sending a packet a packet on a VLAN, the
vid has to be marked with the TAG flag in order to make any
component in batman-adv understand that the packet is coming
from a really tagged network.
This fix the Bridge Loop Avoidance behaviour which was not
able to send announces over VLAN interfaces.
Introduced by 0b1da1765fdb00ca5d53bc95c9abc70dfc9aae5b
("batman-adv: change VID semantic in the BLA code")
Signed-off-by: Antonio Quartulli <antonio@open-mesh.org>
Acked-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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o Move current_cpu_type() to a separate header file
o #ifdefing on supported CPU types lets modern GCC know that certain
code in callers may be discarded ideally turning current_cpu_type() into
a function returning a constant.
o Use current_cpu_type() rather than direct access to struct cpuinfo_mips.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5833/
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from NMI
Set "blocked by NMI" flag if EPT violation happens during IRET from NMI
otherwise NMI can be called recursively causing stack corruption.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
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This fixes the following issue
BUG: using smp_processor_id() in preemptible [00000000] code: kjournald/1761
caller is blast_dcache32+0x30/0x254
Call Trace:
[<8047f02c>] dump_stack+0x8/0x34
[<802e7e40>] debug_smp_processor_id+0xe0/0xf0
[<80114d94>] blast_dcache32+0x30/0x254
[<80118484>] r4k_dma_cache_wback_inv+0x200/0x288
[<80110ff0>] mips_dma_map_sg+0x108/0x180
[<80355098>] ide_dma_prepare+0xf0/0x1b8
[<8034eaa4>] do_rw_taskfile+0x1e8/0x33c
[<8035951c>] ide_do_rw_disk+0x298/0x3e4
[<8034a3c4>] do_ide_request+0x2e0/0x704
[<802bb0dc>] __blk_run_queue+0x44/0x64
[<802be000>] queue_unplugged.isra.36+0x1c/0x54
[<802beb94>] blk_flush_plug_list+0x18c/0x24c
[<802bec6c>] blk_finish_plug+0x18/0x48
[<8026554c>] journal_commit_transaction+0x3b8/0x151c
[<80269648>] kjournald+0xec/0x238
[<8014ac00>] kthread+0xb8/0xc0
[<8010268c>] ret_from_kernel_thread+0x14/0x1c
Caches in most systems are identical - but not always, so we can't avoid
the use of smp_call_function() by just looking at the boot CPU's data,
have to fiddle with preemption instead.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5835
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Pull more tile architecture updates from Chris Metcalf:
"This second batch of changes is just cleanup of various kinds from
doing some tidying work in the sources.
Some dead code is removed, comment typos fixed, whitespace and style
issues cleaned up, and some header updates from our internal
"upstream" architecture team"
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
tile: remove stray blank space
tile: <arch/> header updates from upstream
tile: improve gxio iorpc autogenerated code style
tile: double default VMALLOC space
tile: remove stale arch/tile/kernel/futex_64.S
tile: remove HUGE_VMAP dead code
tile: use pmd_pfn() instead of casting via pte_t
tile: fix typos in comment in arch/tile/kernel/unaligned.c
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TTM calls the destructor on its own already...
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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boot_cpu_data is used the same as current_cpu_data but returns the CPU
data for CPU 0. This means it doesn't have to use smp_processor_id()
thus no need to disable preemption.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Instead of the netlink skb.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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When we cancel 'async_pf_execute()', we should behave as if the work was
never scheduled in 'kvm_setup_async_pf()'.
Fixes a bug when we can't unload module because the vm wasn't destroyed.
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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After nested vmentry stale cache can be used to reload L2 PDPTR pointers
which will cause L2 guest to fail. Fix it by invalidating cache on nested
vmentry emulation.
https://bugzilla.kernel.org/show_bug.cgi?id=60830
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Page tables in a read-only memory slot will currently cause a triple
fault because the page walker uses gfn_to_hva and it fails on such a slot.
OVMF uses such a page table; however, real hardware seems to be fine with
that as long as the accessed/dirty bits are set. Save whether the slot
is readonly, and later check it when updating the accessed and dirty bits.
Reviewed-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Opcode CA
This gets used by a DOS based NetWare guest.
Signed-off-by: Bruce Rogers <brogers@suse.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Enable only those interrupts that we can handle & acknowledge in the
interrupt handler.
At least on EdgeRouter Lite, the hardware may occasionally interrupt with
some error condition when the physical link status changes frequently.
Since the interrupt condition is not acked properly, this leads to the
following warning and the IRQ gets disabled completely:
[ 41.324700] eth0: Link down
[ 44.324721] eth0: 1000 Mbps Full duplex, port 0, queue 0
[ 44.885590] irq 117: nobody cared (try booting with the "irqpoll" option)
[ 44.892397] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.11.0-rc5-edge-los.git-27d042f-dirty-00950-gaa42f2d-dirty #8
[ 44.902825] Stack : ffffffff815c0000 0000000000000004 0000000000000003 0000000000000000
ffffffff81fd0000 ffffffff815c0000 0000000000000004 ffffffff8118530c
ffffffff815c0000 ffffffff811858d8 0000000000000000 0000000000000000
ffffffff81fd0000 ffffffff81fc0000 ffffffff8152f3a0 ffffffff815b7bf7
ffffffff81fc6688 ffffffff815b8060 0000000000000000 0000000000000000
0000000000000000 ffffffff815346c8 ffffffff815346b0 ffffffff814a6a18
ffffffff8158b848 ffffffff81145614 ffffffff81593800 ffffffff81187174
ffffffff815b7d00 ffffffff8158b760 0000000000000000 ffffffff814a9184
0000000000000000 0000000000000000 0000000000000000 0000000000000000
0000000000000000 ffffffff811203b8 0000000000000000 0000000000000000
...
[ 44.968408] Call Trace:
[ 44.970873] [<ffffffff811203b8>] show_stack+0x68/0x80
[ 44.975937] [<ffffffff814a9184>] dump_stack+0x78/0xb8
[ 44.980999] [<ffffffff811aac54>] __report_bad_irq+0x44/0x108
[ 44.986662] [<ffffffff811ab238>] note_interrupt+0x248/0x2a0
[ 44.992240] [<ffffffff811a85e4>] handle_irq_event_percpu+0x144/0x200
[ 44.998598] [<ffffffff811a86f4>] handle_irq_event+0x54/0x90
[ 45.004176] [<ffffffff811ab908>] handle_level_irq+0xd0/0x148
[ 45.009839] [<ffffffff811a7b04>] generic_handle_irq+0x34/0x50
[ 45.015589] [<ffffffff8111dae8>] do_IRQ+0x18/0x30
[ 45.020301] [<ffffffff8110486c>] plat_irq_dispatch+0x74/0xb8
[ 45.025958]
[ 45.027451] handlers:
[ 45.029731] [<ffffffff813fca10>] cvm_oct_rgmii_rml_interrupt
[ 45.035397] Disabling IRQ #117
[ 45.038742] Port 0 receive error code 13, packet dropped
[ 46.324719] eth0: Link down
[ 48.324733] eth0: 1000 Mbps Full duplex, port 0, queue 0
Reported-by: "Jason A. Donenfeld" <Jason@zx2c4.com>
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: David Daney <david.daney@cavium.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: devel@driverdev.osuosl.org
Cc: linux-mips@linux-mips.org
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: richard@nod.at
Patchwork: https://patchwork.linux-mips.org/patch/5810/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Remove skb allocation failure warnings. They will trigger a page
allocation warning already. Also, one of the warnings was not ratelimited,
causing the box to lock up under heavy traffic & low memory.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: David Daney <david.daney@cavium.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: devel@driverdev.osuosl.org
Cc: linux-mips@linux-mips.org
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: richard@nod.at
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Patchwork: https://patchwork.linux-mips.org/patch/5811/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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We should count also dropped packets, otherwise the NAPI handler may
end up running too long.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: devel@driverdev.osuosl.org
Cc: linux-mips@linux-mips.org
Cc: David Daney <david.daney@cavium.com>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: richard@nod.at
Patchwork: https://patchwork.linux-mips.org/patch/5809/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Ben Hutchings says:
====================
Some bug fixes and future-proofing for the recently added SFC9120
support:
1. Minimal support for the 40G configuration.
2. Disable the incomplete PTP/hardware timestamping support.
3. Reset MAC stats properly after a firmware upgrade.
4. Re-check the datapath firmware capabilities after the controller is
reset.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adapt the same behaviour for SCTP as present in TCP for ICMP redirect
messages. For IPv6, RFC4443, section 2.4. says:
...
(e) An ICMPv6 error message MUST NOT be originated as a result of
receiving the following:
...
(e.2) An ICMPv6 redirect message [IPv6-DISC].
...
Therefore, do not report an error to user space, just invoke dst's redirect
callback and leave, same for IPv4 as done in TCP as well. The implication
w/o having this patch could be that the reception of such packets would
generate a poll notification and in worst case it could even tear down the
whole connection. Therefore, stop updating sk_err on redirects.
Reported-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Reported-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Suggested-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use USB_DEVICE_AND_INTERFACE_INFO and USB_VENDOR_AND_INTERFACE_INFO
macros to reduce boilerplate.
Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Acked-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Acked-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Cc: <stable@vger.kernel.org> # 3.0+ as far back as it applies cleanly
Acked-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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IFLA_IPTUN_LOCAL and IFLA_IPTUN_REMOTE were inverted.
Introduced by c075b13098b3 (ip6tnl: advertise tunnel param via rtnl).
Signed-off-by: Ding Zhi <zhi.ding@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is important patch for new devices that support unaligned
addressing. That devices suffer from the backward-compatibility bug in
DMA engine. In theory we should be able to use old mechanism, but in
practice DMA address seems to be randomly copied into status register
when hardware reaches end of a ring. This breaks reading slot number
from status register and we can't use DMA anymore.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Without this patch it is impossible to read et_swtype, because the 1
byte space is needed for the terminating null byte. The max expected
value is 0xF, so now it should be possible to read decimal form ("15")
and hex form ("0xF").
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some devices (BCM4749, BCM5357, BCM53572) have internal switch that
requires initialization. We already have code for this, but because
of the typo in code it was never working. This resulted in network not
working for some routers and possibility of soft-bricking them.
Use correct bit for switch initialization and fix typo in the define.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use separate table for alias entries in the ehea module, otherwise the
probe() function will operate on the separate ports instead of the
lhea-"root" entry of the device-tree
Addresses https://bugzilla.novell.com/show_bug.cgi?id=435215
[ Thadeu notes that: "... this issue might happen with the generation of
initrd, when the scripts check for /sys/class/net/eth0/device/modalias,
which links to the port device at
/sys/devices/ibmebus/23c00400.lhea/port0/" ]
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Olaf Hering <ohering@suse.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If O_CREAT|O_EXCL are passed to open, then we know that either
- the file is successfully created, or
- the operation fails in some way.
So previously we set FILE_CREATED before calling ->atomic_open() so the
filesystem doesn't have to. This, however, led to bugs in the
implementation that went unnoticed when the filesystem didn't check for
existence, yet returned success. To prevent this kind of bug, require
filesystems to always explicitly set FILE_CREATED on O_CREAT|O_EXCL and
verify this in the VFS.
Also added a couple more verifications for the result of atomic_open():
- Warn if filesystem set FILE_CREATED despite the lack of O_CREAT.
- Warn if filesystem set FILE_CREATED but gave a negative dentry.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Set FILE_CREATED on O_CREAT|O_EXCL. If the NFS server honored our request
for exclusivity then this must be correct.
Currently this is a no-op, since the VFS sets FILE_CREATED anyway. The
next patch will, however, require this flag to be always set by
filesystems.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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In gfs2_create_inode() set FILE_CREATED in *opened.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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If an error occurs after having called finish_open() then fput() needs to
be called on the already opened file.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: Steve French <sfrench@samba.org>
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Fix documentation of ->atomic_open() and related functions: finish_open()
and finish_no_open(). Also add details that seem to be unclear and a
source of bugs (some of which are fixed in the following series).
Cc-ing maintainers of all filesystems implementing ->atomic_open().
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Sage Weil <sage@inktank.com>
Cc: Steve French <sfrench@samba.org>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Don't drop ->wq_mutex before calling autofs4_notify_daemon() only to regain it
there. Besides being pointless, that opens a race window where autofs4_wait_release()
could've come and freed wq->name.name. And do the debugging printk in the "reused an
existing wq" case before dropping ->wq_mutex - the same reason...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Ian Kent <raven@themaw.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer code update from Thomas Gleixner:
- armada SoC clocksource overhaul with a trivial merge conflict
- Minor improvements to various SoC clocksource drivers
* 'timers/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: armada-370-xp: Add detailed clock requirements in devicetree binding
clocksource: armada-370-xp: Get reference fixed-clock by name
clocksource: armada-370-xp: Replace WARN_ON with BUG_ON
clocksource: armada-370-xp: Fix device-tree binding
clocksource: armada-370-xp: Introduce new compatibles
clocksource: armada-370-xp: Use CLOCKSOURCE_OF_DECLARE
clocksource: armada-370-xp: Simplify TIMER_CTRL register access
clocksource: armada-370-xp: Use BIT()
ARM: timer-sp: Set dynamic irq affinity
ARM: nomadik: add dynamic irq flag to the timer
clocksource: sh_cmt: 32-bit control register support
clocksource: em_sti: Convert to devm_* managed helpers
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The compat sys_llseek() definition addition added a bogus space
on an otherwise-blank line.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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The hardware architecture descriptor headers have been updated, in
particular to reflect some larger MMIO fields on the mPIPE shims for
controlling the network hardware, from the recent Gx72 release.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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Fix some whitespace style issues in some auto-generated files.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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With per-cpu data as well as loaded kernel modules coming from
the vmalloc arena, we get close to the line all the time and
occasionally need more than we had, so just double it up by default.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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Pull CIFS fixes from Steve French:
"Two minor cifs fixes and a minor documentation cleanup for cifs.txt"
* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
cifs: update cifs.txt and remove some outdated infos
cifs: Avoid calling unlock_page() twice in cifs_readpage() when using fscache
cifs: Do not take a reference to the page in cifs_readpage_worker()
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Pull UBI fixes from Artem Bityutskiy:
"Just a single fastmap fix plus a regression fix"
* tag 'upstream-3.12-rc1' of git://git.infradead.org/linux-ubi:
UBI: Fix invalidate_fastmap()
UBI: Fix PEB leak in wear_leveling_worker()
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Pull ubifs fix from Artem Bityutskiy:
"Just one patch which fixes the power-cut recovery testing mode.
I'll start using a single UBI/UBIFS tree instead of 2 trees from now
on. So in the future you'll get 1 small pull request instead of 2
tiny ones"
* tag 'upstream-3.12-rc1' of git://git.infradead.org/linux-ubifs:
UBIFS: remove invalid warn msg with tst_recovery enabled
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This fixes a serious bug affecting all hash types with a net element -
specifically, if a CIDR value is deleted such that none of the same size
exist any more, all larger (less-specific) values will then fail to
match. Adding back any prefix with a CIDR equal to or more specific than
the one deleted will fix it.
Steps to reproduce:
ipset -N test hash:net
ipset -A test 1.1.0.0/16
ipset -A test 2.2.2.0/24
ipset -T test 1.1.1.1 #1.1.1.1 IS in set
ipset -D test 2.2.2.0/24
ipset -T test 1.1.1.1 #1.1.1.1 IS NOT in set
This is due to the fact that the nets counter was unconditionally
decremented prior to the iteration that shifts up the entries. Now, we
first check if there is a proceeding entry and if not, decrement it and
return. Otherwise, we proceed to iterate and then zero the last element,
which, in most cases, will already be zero.
Signed-off-by: Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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