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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:
====================
pull request: wireless 2014-05-23
I have two more fixes intended for the 3.15 stream...
For the iwlwifi one, Emmanuel says:
"A race has been discovered in the beacon filtering code. Since the
fix is too big for 3.15, I disable here the feature."
For the bluetooth one, Gustavo says:
"This pull request contains a very important fix for 3.15. Here we fix the
permissions of a debugfs file that would otherwise allow unauthorized users
to write content to it."
Please let me know if there are problems!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This function is called from dcbnl_build_peer_app(). The "info"
struct isn't initialized at all so we disclose 2 bytes of uninitialized
stack data. We should clear it before passing it to the user.
Fixes: 48365e485275 ('qlcnic: dcb: Add support for CEE Netlink interface.')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
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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Pull sparc fixes from David Miller:
"A small bunch of bug fixes, in particular:
1) On older cpus we need a different chunk of virtual address space
to map the huge page TSB.
2) Missing memory barrier in Niagara2 memcpy.
3) trinity showed some places where fault validation was
unnecessarily loud on sparc64
4) Some sysfs printf's need a type adjustment, from Toralf Förster"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: fix format string mismatch in arch/sparc/kernel/sysfs.c
sparc64: Add membar to Niagara2 memcpy code.
sparc64: Fix huge TSB mapping on pre-UltraSPARC-III cpus.
sparc64: Don't bark so loudly about 32-bit tasks generating 64-bit fault addresses.
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Pull networking fixes from David Miller:
"It looks like a sizeble collection but this is nearly 3 weeks of bug
fixing while you were away.
1) Fix crashes over IPSEC tunnels with NAT, the latter can reroute
the packet through a non-IPSEC protected path and the code has to
be able to handle SKBs attached to routes lacking an attached xfrm
state. From Steffen Klassert.
2) Fix OOPSs in ipv4 and ipv6 ipsec layers for unsupported
sub-protocols, also from Steffen Klassert.
3) Set local_df on fragmented netfilter skbs otherwise we won't be
able to forward successfully, from Florian Westphal.
4) cdc_mbim ipv6 neighbour code does __vlan_find_dev_deep without
holding RCU lock, from Bjorn Mork.
5) local_df test in ip_may_fragment is inverted, from Florian
Westphal.
6) jme driver doesn't check for DMA mapping failures, from Neil
Horman.
7) qlogic driver doesn't calculate number of TX queues properly, from
Shahed Shaikh.
8) fib_info_cnt can drift irreversibly positive if we fail to
allocate the fi->fib_metrics array, from Sergey Popovich.
9) Fix use after free in ip6_route_me_harder(), also from Sergey
Popovich.
10) When SYSCTL is disabled, we don't handle local_port_range and
ping_group_range defaults properly at all, from Cong Wang.
11) Unaccelerated VLAN tagged frames improperly handled by cdc_mbim
driver, fix from Bjorn Mork.
12) cassini driver needs nested lock annotations for TX locking, from
Emil Goode.
13) On init error ipv6 VTI driver can unregister pernet ops twice,
oops. Fix from Mahtias Krause.
14) If macvlan device is down, don't propagate IFF_ALLMULTI changes,
from Peter Christensen.
15) Missing NULL pointer check while parsing netlink config options in
ip6_tnl_validate(). From Susant Sahani.
16) Fix handling of neighbour entries during ipv6 router reachability
probing, from Duan Jiong.
17) x86 and s390 JIT address randomization has some address
calculation bugs leading to crashes, from Alexei Starovoitov and
Heiko Carstens.
18) Clear up those uglies with nop patching and net_get_random_once(),
from Hannes Frederic Sowa.
19) Option length miscalculated in ip6_append_data(), fix also from
Hannes Frederic Sowa.
20) A while ago we fixed a race during device unregistry when a
namespace went down, turns out there is a second place that needs
similar protection. From Cong Wang.
21) In the new Altera TSE driver multicast filtering isn't working,
disable it and just use promisc mode until the cause is found.
From Vince Bridgers.
22) When we disable router enabling in ipv6 we have to flush the
cached routes explicitly, from Duan Jiong.
23) NBMA tunnels should not cache routes on the tunnel object because
the key is variable, from Timo Teräs.
24) With stacked devices GRO information in skb->cb[] can be not setup
properly, make sure it is in all code paths. From Eric Dumazet.
25) Really fix stacked vlan locking, multiple levels of nesting with
intervening non-vlan devices are possible. From Vlad Yasevich.
26) Fallback ipip tunnel device's mtu is not setup properly, from
Steffen Klassert.
27) The packet scheduler's tcindex filter can crash because we
structure copy objects with list_head's inside, oops. From Cong
Wang.
28) Fix CHECKSUM_COMPLETE handling for ipv6 GRE tunnels, from Eric
Dumazet.
29) In some configurations 'itag' in __mkroute_input() can end up
being used uninitialized because of how fib_validate_source()
works. Fix it by explitly initializing itag to zero like all the
other fib_validate_source() callers do, from Li RongQing"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (116 commits)
batman: fix a bogus warning from batadv_is_on_batman_iface()
ipv4: initialise the itag variable in __mkroute_input
bonding: Send ALB learning packets using the right source
bonding: Don't assume 802.1Q when sending alb learning packets.
net: doc: Update references to skb->rxhash
stmmac: Remove unbalanced clk_disable call
ipv6: gro: fix CHECKSUM_COMPLETE support
net_sched: fix an oops in tcindex filter
can: peak_pci: prevent use after free at netdev removal
ip_tunnel: Initialize the fallback device properly
vlan: Fix build error wth vlan_get_encap_level()
can: c_can: remove obsolete STRICT_FRAME_ORDERING Kconfig option
MAINTAINERS: Pravin Shelar is Open vSwitch maintainer.
bnx2x: Convert return 0 to return rc
bonding: Fix alb mode to only use first level vlans.
bonding: Fix stacked device detection in arp monitoring
macvlan: Fix lockdep warnings with stacked macvlan devices
vlan: Fix lockdep warning with stacked vlan devices.
net: Allow for more then a single subclass for netif_addr_lock
net: Find the nesting level of a given device by type.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"The biggest commit is an irqtime accounting loop latency fix, the rest
are misc fixes all over the place: deadline scheduling, docs, numa,
balancer and a bad to-idle latency fix"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/numa: Initialize newidle balance stats in sd_numa_init()
sched: Fix updating rq->max_idle_balance_cost and rq->next_balance in idle_balance()
sched: Skip double execution of pick_next_task_fair()
sched: Use CPUPRI_NR_PRIORITIES instead of MAX_RT_PRIO in cpupri check
sched/deadline: Fix memory leak
sched/deadline: Fix sched_yield() behavior
sched: Sanitize irq accounting madness
sched/docbook: Fix 'make htmldocs' warnings caused by missing description
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"The biggest changes are fixes for races that kept triggering Trinity
crashes, plus liblockdep build fixes and smaller misc fixes.
The liblockdep bits in perf/urgent are a pull mistake - they should
have been in locking/urgent - but by the time I noticed other commits
were added and testing was done :-/ Sorry about that"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Fix a race between ring_buffer_detach() and ring_buffer_attach()
perf: Prevent false warning in perf_swevent_add
perf: Limit perf_event_attr::sample_period to 63 bits
tools/liblockdep: Remove all build files when doing make clean
tools/liblockdep: Build liblockdep from tools/Makefile
perf/x86/intel: Fix Silvermont's event constraints
perf: Fix perf_event_init_context()
perf: Fix race in removing an event
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Pull drm radeon and nouveau fixes from Dave Airlie:
"Fixes for the other big two.
The radeon VCE one is large but it fixes some userspace triggerable
issues, otherwise its blackscreens and oopses.
Nouveau fixes a bleeding laptop panel issue when displayport is used
sometimes"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon/pm: don't allow debugfs/sysfs access when PX card is off (v2)
drm/radeon: avoid segfault on device open when accel is not working.
drm/radeon: fix typo in finding PLL params
drm/radeon: fix register typo on si
drm/radeon: fix buffer placement under memory pressure v2
drm/radeon: fix page directory update size estimation
drm/radeon: handle non-VGA class pci devices with ATRM
drm/radeon: fix DCE83 check for mullins
drm/radeon: check VCE relocation buffer range v3
drm/radeon: also try GART for CPU accessed buffers
drm/gf119-/disp: fix nasty bug which can clobber SOR0's clock setup
drm/nvd9/therm: handle another kind of PWM fan
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Merge misc fixes from Andrew Morton:
"9 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
MAINTAINERS: add closing angle bracket to Vince Bridgers' email address
Documentation: fix DOCBOOKS=... building
ocfs2: fix double kmem_cache_destroy in dlm_init
mm/memory-failure.c: fix memory leak by race between poison and unpoison
wait: swap EXIT_ZOMBIE(Z) and EXIT_DEAD(X) chars in TASK_STATE_TO_CHAR_STR
memcg: fix swapcache charge from kernel thread context
mm: madvise: fix MADV_WILLNEED on shmem swapouts
mm/filemap.c: avoid always dirtying mapping->flags on O_DIRECT
hwpoison, hugetlb: lock_page/unlock_page does not match for handling a free hugepage
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Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Cc: Vince Bridgers <vbridgers2013@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Prior to commit 4266129964b8 ("[media] DocBook: Move all media docbook
stuff into its own directory") it was possible to build only a single
(or more) book(s) by calling, for example
make htmldocs DOCBOOKS=80211.xml
This now fails:
cp: target `.../Documentation/DocBook//media_api' is not a directory
Ignore errors from that copy to make this possible again.
Fixes: 4266129964b8 ("[media] DocBook: Move all media docbook stuff into its own directory")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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In dlm_init, if create dlm_lockname_cache failed in
dlm_init_master_caches, it will destroy dlm_lockres_cache which created
before twice. And this will cause system die when loading modules.
Signed-off-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When a memory error happens on an in-use page or (free and in-use)
hugepage, the victim page is isolated with its refcount set to one.
When you try to unpoison it later, unpoison_memory() calls put_page()
for it twice in order to bring the page back to free page pool (buddy or
free hugepage list). However, if another memory error occurs on the
page which we are unpoisoning, memory_failure() returns without
releasing the refcount which was incremented in the same call at first,
which results in memory leak and unconsistent num_poisoned_pages
statistics. This patch fixes it.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: <stable@vger.kernel.org> [2.6.32+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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In commit ad86622b478e ("wait: swap EXIT_ZOMBIE and EXIT_DEAD to hide
EXIT_TRACE from user-space") the order of task state definitions were
changed: EXIT_DEAD and EXIT_ZOMBIE were swapped. Though the charterers
for the states in TASK_STATE_TO_CHAR_STR string were not updated. This
patch synchronizes the string to the order of definitions.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 284f39afeaa4 ("mm: memcg: push !mm handling out to page cache
charge function") explicitly checks for page cache charges without any
mm context (from kernel thread context[1]).
This seemed to be the only possible case where memory could be charged
without mm context so commit 03583f1a631c ("memcg: remove unnecessary
!mm check from try_get_mem_cgroup_from_mm()") removed the mm check from
get_mem_cgroup_from_mm(). This however caused another NULL ptr
dereference during early boot when loopback kernel thread splices to
tmpfs as reported by Stephan Kulow:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000360
IP: get_mem_cgroup_from_mm.isra.42+0x2b/0x60
Oops: 0000 [#1] SMP
Modules linked in: btrfs dm_multipath dm_mod scsi_dh multipath raid10 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx raid1 raid0 md_mod parport_pc parport nls_utf8 isofs usb_storage iscsi_ibft iscsi_boot_sysfs arc4 ecb fan thermal nfs lockd fscache nls_iso8859_1 nls_cp437 sg st hid_generic usbhid af_packet sunrpc sr_mod cdrom ata_generic uhci_hcd virtio_net virtio_blk ehci_hcd usbcore ata_piix floppy processor button usb_common virtio_pci virtio_ring virtio edd squashfs loop ppa]
CPU: 0 PID: 97 Comm: loop1 Not tainted 3.15.0-rc5-5-default #1
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Call Trace:
__mem_cgroup_try_charge_swapin+0x40/0xe0
mem_cgroup_charge_file+0x8b/0xd0
shmem_getpage_gfp+0x66b/0x7b0
shmem_file_splice_read+0x18f/0x430
splice_direct_to_actor+0xa2/0x1c0
do_lo_receive+0x5a/0x60 [loop]
loop_thread+0x298/0x720 [loop]
kthread+0xc6/0xe0
ret_from_fork+0x7c/0xb0
Also Branimir Maksimovic reported the following oops which is tiggered
for the swapcache charge path from the accounting code for kernel threads:
CPU: 1 PID: 160 Comm: kworker/u8:5 Tainted: P OE 3.15.0-rc5-core2-custom #159
Hardware name: System manufacturer System Product Name/MAXIMUSV GENE, BIOS 1903 08/19/2013
task: ffff880404e349b0 ti: ffff88040486a000 task.ti: ffff88040486a000
RIP: get_mem_cgroup_from_mm.isra.42+0x2b/0x60
Call Trace:
__mem_cgroup_try_charge_swapin+0x45/0xf0
mem_cgroup_charge_file+0x9c/0xe0
shmem_getpage_gfp+0x62c/0x770
shmem_write_begin+0x38/0x40
generic_perform_write+0xc5/0x1c0
__generic_file_aio_write+0x1d1/0x3f0
generic_file_aio_write+0x4f/0xc0
do_sync_write+0x5a/0x90
do_acct_process+0x4b1/0x550
acct_process+0x6d/0xa0
do_exit+0x827/0xa70
kthread+0xc3/0xf0
This patch fixes the issue by reintroducing mm check into
get_mem_cgroup_from_mm. We could do the same trick in
__mem_cgroup_try_charge_swapin as we do for the regular page cache path
but it is not worth troubles. The check is not that expensive and it is
better to have get_mem_cgroup_from_mm more robust.
[1] - http://marc.info/?l=linux-mm&m=139463617808941&w=2
Fixes: 03583f1a631c ("memcg: remove unnecessary !mm check from try_get_mem_cgroup_from_mm()")
Reported-and-tested-by: Stephan Kulow <coolo@suse.com>
Reported-by: Branimir Maksimovic <branimir.maksimovic@gmail.com>
Signed-off-by: Michal Hocko <mhocko@suse.cz>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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MADV_WILLNEED currently does not read swapped out shmem pages back in.
Commit 0cd6144aadd2 ("mm + fs: prepare for non-page entries in page
cache radix trees") made find_get_page() filter exceptional radix tree
entries but failed to convert all find_get_page() callers that WANT
exceptional entries over to find_get_entry(). One of them is shmem swap
readahead in madvise, which now skips over any swap-out records.
Convert it to find_get_entry().
Fixes: 0cd6144aadd2 ("mm + fs: prepare for non-page entries in page cache radix trees")
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reported-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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In some testing I ran today (some fio jobs that spread over two nodes),
we end up spending 40% of the time in filemap_check_errors(). That
smells fishy. Looking further, this is basically what happens:
blkdev_aio_read()
generic_file_aio_read()
filemap_write_and_wait_range()
if (!mapping->nr_pages)
filemap_check_errors()
and filemap_check_errors() always attempts two test_and_clear_bit() on
the mapping flags, thus dirtying it for every single invocation. The
patch below tests each of these bits before clearing them, avoiding this
issue. In my test case (4-socket box), performance went from 1.7M IOPS
to 4.0M IOPS.
Signed-off-by: Jens Axboe <axboe@fb.com>
Acked-by: Jeff Moyer <jmoyer@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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hugepage
For handling a free hugepage in memory failure, the race will happen if
another thread hwpoisoned this hugepage concurrently. So we need to
check PageHWPoison instead of !PageHWPoison.
If hwpoison_filter(p) returns true or a race happens, then we need to
unlock_page(hpage).
Signed-off-by: Chen Yucong <slaoub@gmail.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Tested-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: <stable@vger.kernel.org> [2.6.36+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The 'renameat2()' system call was incorrectly added as a ENTRY_COMP() in
the parisc system call table by commit 18e480aa07f78 ("parisc: add
renameat2 syscall"). That causes a link-time error due to there not
being any compat version of that system call:
arch/parisc/kernel/built-in.o: In function `sys_call_table':
(.rodata+0xad0): undefined reference to `compat_sys_renameat2'
make: *** [vmlinux] Error 1
Easily fixed by marking the system call as being the same for compat as
for native by using ENTRY_SAME() instead of ENTRY_COMP().
Reported-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Miklos Szeredi <miklos@szeredi.hu>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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batman tries to search dev->iflink to check if it's a batman interface,
but ->iflink could be 0, which is not a valid ifindex. It should just
avoid iflink == 0 case.
Reported-by: Jet Chen <jet.chen@intel.com>
Tested-by: Jet Chen <jet.chen@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Antonio Quartulli <antonio@open-mesh.com>
Cc: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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the value of itag is a random value from stack, and may not be initiated by
fib_validate_source, which called fib_combine_itag if CONFIG_IP_ROUTE_CLASSID
is not set
This will make the cached dst uncertainty
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ALB learning packets are currentlyalways sent using the slave mac
address for all vlans configured on top of bond. This is not always
correct, as vlans may change their mac address.
This patch introduced a concept of strict matching where the
source of learning packets can either strictly match the address
passed in, or it can determine a more correct address to use.
There are 3 casese to consider:
1) Switchover. In this case, we have a new active slave and we need
tell the switch about all addresses available on the slave.
2) Monitor. We'll periodically refresh learning info for all slaves.
In this case, we refresh all addresses for current active, and just
the slave address for other slaves.
3) Teaching of disabled adddress. This happens as part of the
failover and in this case, we alwyas to use just the address
provided.
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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TLB/ALB learning packets always assume 802.1Q vlan protocol, but
that is no longer the case since we now have support for Q-in-Q
on top of bonding. Pass the vlan protocol to alb_send_lp_vid()
so that the packets are properly tagged.
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Acked-by: Veaceslav Falico <vfalico@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://gitorious.org/linux-can/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2014-05-21
this is a pull request for net/master, for the v3.15 release cycle, with a
single patch. Christopher R. Baker found a use after free during unloading of
the peak_pci driver. This is fixes in a patch by Stephane Grosjean.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In commit 61b905da33 ("net: Rename skb->rxhash to skb->hash"), skb->rxhash
was renamed to skb->hash. Update references in Documentation
accordingly.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The stmmac_open call was calling clk_disable_unprepare on phy init
failure, but it never calls clk_prepare_enable, this causes
a WARN_ON in the clk framework to trigger if for some reason phy init
fails.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
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git://people.freedesktop.org/~deathsimple/linux into drm-fixes
radeon fixes, VCE one is big but does fix a userspace crash.
* 'drm-fixes-3.15' of git://people.freedesktop.org/~deathsimple/linux:
drm/radeon/pm: don't allow debugfs/sysfs access when PX card is off (v2)
drm/radeon: avoid segfault on device open when accel is not working.
drm/radeon: fix typo in finding PLL params
drm/radeon: fix register typo on si
drm/radeon: fix buffer placement under memory pressure v2
drm/radeon: fix page directory update size estimation
drm/radeon: handle non-VGA class pci devices with ATRM
drm/radeon: fix DCE83 check for mullins
drm/radeon: check VCE relocation buffer range v3
drm/radeon: also try GART for CPU accessed buffers
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git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
fixes nasty panel bleeding bug.
* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/gf119-/disp: fix nasty bug which can clobber SOR0's clock setup
drm/nvd9/therm: handle another kind of PWM fan
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When GRE support was added in linux-3.14, CHECKSUM_COMPLETE handling
broke on GRE+IPv6 because we did not update/use the appropriate csum :
GRO layer is supposed to use/update NAPI_GRO_CB(skb)->csum instead of
skb->csum
Tested using a GRE tunnel and IPv6 traffic. GRO aggregation now happens
at the first level (ethernet device) instead of being done in gre
tunnel. Native IPv6+TCP is still properly aggregated.
Fixes: bf5a755f5e918 ("net-gre-gro: Add GRE support to the GRO stack")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jerry Chu <hkchu@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull two powerpc fixes from Ben Herrenschmidt:
"Here are a couple of fixes for 3.15. One from Anton fixes a nasty
regression I introduced when trying to fix a loss of irq_work whose
consequences is that we can completely lose timer interrupts on a
CPU... not pretty.
The other one is a change to our PCIe reset hook to use a firmware
call instead of direct config space accesses to trigger a fundamental
reset on the root port. This is necessary so that the FW gets a
chance to disable the link down error monitoring, which would
otherwise trip and cause subsequent fatal EEH error"
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc: irq work racing with timer interrupt can result in timer interrupt hang
powerpc/powernv: Reset root port in firmware
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Kelly reported the following crash:
IP: [<ffffffff817a993d>] tcf_action_exec+0x46/0x90
PGD 3009067 PUD 300c067 PMD 11ff30067 PTE 800000011634b060
Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
CPU: 1 PID: 639 Comm: dhclient Not tainted 3.15.0-rc4+ #342
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
task: ffff8801169ecd00 ti: ffff8800d21b8000 task.ti: ffff8800d21b8000
RIP: 0010:[<ffffffff817a993d>] [<ffffffff817a993d>] tcf_action_exec+0x46/0x90
RSP: 0018:ffff8800d21b9b90 EFLAGS: 00010283
RAX: 00000000ffffffff RBX: ffff88011634b8e8 RCX: ffff8800cf7133d8
RDX: ffff88011634b900 RSI: ffff8800cf7133e0 RDI: ffff8800d210f840
RBP: ffff8800d21b9bb0 R08: ffffffff8287bf60 R09: 0000000000000001
R10: ffff8800d2b22b24 R11: 0000000000000001 R12: ffff8800d210f840
R13: ffff8800d21b9c50 R14: ffff8800cf7133e0 R15: ffff8800cad433d8
FS: 00007f49723e1840(0000) GS:ffff88011a800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88011634b8f0 CR3: 00000000ce469000 CR4: 00000000000006e0
Stack:
ffff8800d2170188 ffff8800d210f840 ffff8800d2171b90 0000000000000000
ffff8800d21b9be8 ffffffff817c55bb ffff8800d21b9c50 ffff8800d2171b90
ffff8800d210f840 ffff8800d21b0300 ffff8800d21b9c50 ffff8800d21b9c18
Call Trace:
[<ffffffff817c55bb>] tcindex_classify+0x88/0x9b
[<ffffffff817a7f7d>] tc_classify_compat+0x3e/0x7b
[<ffffffff817a7fdf>] tc_classify+0x25/0x9f
[<ffffffff817b0e68>] htb_enqueue+0x55/0x27a
[<ffffffff817b6c2e>] dsmark_enqueue+0x165/0x1a4
[<ffffffff81775642>] __dev_queue_xmit+0x35e/0x536
[<ffffffff8177582a>] dev_queue_xmit+0x10/0x12
[<ffffffff818f8ecd>] packet_sendmsg+0xb26/0xb9a
[<ffffffff810b1507>] ? __lock_acquire+0x3ae/0xdf3
[<ffffffff8175cf08>] __sock_sendmsg_nosec+0x25/0x27
[<ffffffff8175d916>] sock_aio_write+0xd0/0xe7
[<ffffffff8117d6b8>] do_sync_write+0x59/0x78
[<ffffffff8117d84d>] vfs_write+0xb5/0x10a
[<ffffffff8117d96a>] SyS_write+0x49/0x7f
[<ffffffff8198e212>] system_call_fastpath+0x16/0x1b
This is because we memcpy struct tcindex_filter_result which contains
struct tcf_exts, obviously struct list_head can not be simply copied.
This is a regression introduced by commit 33be627159913b094bb578
(net_sched: act: use standard struct list_head).
It's not very easy to fix it as the code is a mess:
if (old_r)
memcpy(&cr, r, sizeof(cr));
else {
memset(&cr, 0, sizeof(cr));
tcf_exts_init(&cr.exts, TCA_TCINDEX_ACT, TCA_TCINDEX_POLICE);
}
...
tcf_exts_change(tp, &cr.exts, &e);
...
memcpy(r, &cr, sizeof(cr));
the above code should equal to:
tcindex_filter_result_init(&cr);
if (old_r)
cr.res = r->res;
...
if (old_r)
tcf_exts_change(tp, &r->exts, &e);
else
tcf_exts_change(tp, &cr.exts, &e);
...
r->res = cr.res;
after this change, since there is no need to copy struct tcf_exts.
And it also fixes other places zero'ing struct's contains struct tcf_exts.
Fixes: commit 33be627159913b0 (net_sched: act: use standard struct list_head)
Reported-by: Kelly Anderson <kelly@xilka.com>
Tested-by: Kelly Anderson <kelly@xilka.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull two btrfs fixes from Chris Mason:
"This has two fixes that we've been testing for 3.16, but since both
are safe and fix real bugs, it makes sense to send for 3.15 instead"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: send, fix incorrect ref access when using extrefs
Btrfs: fix EIO on reading file after ioctl clone works on it
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull two ceph fixes from Sage Weil:
"The first patch fixes a problem when we have a page count of 0 for
sendpage which is triggered by zfs. The second fixes a bug in CRUSH
that was resolved in the userland code a while back but fell through
the cracks on the kernel side"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
crush: decode and initialize chooseleaf_vary_r
libceph: fix corruption when using page_count 0 page in rbd
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Pull xfs fixes from Dave Chinner:
"Code inspection of the XFS error number sign translations found a
bunch of issues, including returning incorrectly signed errors for
some data integrity operations.
These leak to userspace and result in applications not getting the
errors correctly reported. Hence they need fixing sooner rather than
later.
A couple of the bugs are in data integrity operations, a couple more
are in the new COLLAPSE_RANGE code. One of these came in through a
recent ext4 merge and so I had to update the base tree to 3.15-rc5
before fixing the issues"
* tag 'xfs-for-linus-3.15-rc6' of git://oss.sgi.com/xfs/xfs:
xfs: list_lru_init returns a negative error
xfs: negate xfs_icsb_init_counters error value
xfs: negate mount workqueue init error value
xfs: fix wrong err sign on xfs_set_acl()
xfs: fix wrong errno from xfs_initxattrs
xfs: correct error sign on COLLAPSE_RANGE errors
xfs: xfs_commit_metadata returns wrong errno
xfs: fix incorrect error sign in xfs_file_aio_read
xfs: xfs_dir_fsync() returns positive errno
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull renameat2 arch support from Miklos Szeredi:
"I've collected architecture patches for the renameat2 syscall that
maintainers acked and/or asked me to queue.
This adds architecture support for the renameat2 syscall to m68k,
parisc, ia64 and through asm-generic to arc, arm64, c6x, hexagon,
metag, openrisc, score, tile, unicore32"
* 'renameat2' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
scripts/checksyscalls.sh: Make renameat optional
asm-generic: Add renameat2 syscall
ia64: add renameat2 syscall
parisc: add renameat2 syscall
m68k: add renameat2 syscall
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found by cppcheck
Signed-off-by: Toralf Förster <toralf.foerster@gmx.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
"Three fixes for the AMD IOMMU driver:
- fix a locking issue around get_user_pages()
- fix two issues with device aliasing and exclusion range handling"
* tag 'iommu-fixes-v3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: fix enabling exclusion range for an exact device
iommu/amd: Take mmap_sem when calling get_user_pages
iommu/amd: Fix interrupt remapping for aliased devices
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft
Pull iscsi_ibft fix from Konrad Rzeszutek Wilk:
"Fix iBFT regression on Broadcom NICs introduced in 3.2"
* tag 'stable/for-linus-3.15-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft:
iscsi_ibft: Fix finding Broadcom specific ibft sign
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas
Pull SH driver fix from Simon Horman:
"Compile drivers/sh/pm_runtime.c if ARCH_SHMOBILE_MULTI
This resolves a regression introduced in v3.14 by commit bf98c1eac1d4
("ARM: Rename ARCH_SHMOBILE to ARCH_SHMOBILE_LEGACY")"
* tag 'renesas-sh-drivers-for-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
drivers: sh: compile drivers/sh/pm_runtime.c if ARCH_SHMOBILE_MULTI
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"Most of the changes are drivers fixes (rtl28xuu, fc2580, ov7670,
davinci, gspca, s5p-fimc and s5c73m3).
There is also a compat32 fix and one infoleak fixup at the media
controller"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] V4L2: fix VIDIOC_CREATE_BUFS in 64- / 32-bit compatibility mode
[media] V4L2: ov7670: fix a wrong index, potentially Oopsing the kernel from user-space
[media] media-device: fix infoleak in ioctl media_enum_entities()
[media] fc2580: fix tuning failure on 32-bit arch
[media] Prefer gspca_sonixb over sn9c102 for all devices
[media] media: davinci: vpfe: make sure all the buffers unmapped and released
[media] staging: media: davinci: vpfe: make sure all the buffers are released
[media] media: davinci: vpbe_display: fix releasing of active buffers
[media] media: davinci: vpif_display: fix releasing of active buffers
[media] media: davinci: vpif_capture: fix releasing of active buffers
[media] s5p-fimc: Fix YUV422P depth
[media] s5c73m3: Add missing rename of v4l2_of_get_next_endpoint() function
[media] rtl28xxu: silence error log about disabled rtl2832_sdr module
[media] rtl28xxu: do not hard depend on staging SDR module
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are five staging driver fixes for 3.15-rc6 that resolve some
reported issues. They are for the imx and rtl8723au drivers"
* tag 'staging-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: rtl8723au: Do not reset wdev->iftype in netdev_close()
staging: rtl8723au: Use correct pipe type for USB interrupts
imx-drm: imx-tve: correct DDC property name to 'ddc-i2c-bus'
imx-drm: imx-drm-core: skip components whose parent device is disabled
imx-drm: imx-drm-core: fix imx_drm_encoder_get_mux_id
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are two driver core (well, sysfs) fixes for 3.15-rc6 that resolve
some reported issues and a regression from 3.13"
* tag 'driver-core-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
sysfs: make sure read buffer is zeroed
kernfs, sysfs, cgroup: restrict extra perm check on open to sysfs
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"These are fixes for an SHPCHP hotplug regression, a "wait for pending
transaction" problem (used in device reset paths), and an email
address update.
PCI device hotplug:
- Fix SHPCHP bus speed mismatch issue (Marcel Apfelbaum)
Miscellaneous:
- Fix pci_wait_for_pending_transaction() (Gavin Shan)
- Update email address (Ben Hutchings)"
* tag 'pci-v3.15-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Wrong register used to check pending traffic
PCI: shpchp: Check bridge's secondary (not primary) bus speed
PCI: Update my email address
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull /dev/random fix from Ted Ts'o:
"This fixes a BUG_ON-causing regression that was introduced during the
last merge window"
* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
random: fix BUG_ON caused by accounting simplification
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git://git.linaro.org/people/mike.turquette/linux
Pull clock framework fixes from Mike Turquette:
"Clock framework and driver fixes, all of which fix user-visible
regressions.
As usual most fixes are for platform-specific clock drivers, but there
are also two fixes to the clk core after recent changes to the way
that clock unregistration is handled"
* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux:
clk: tegra: Fix wrong value written to PLLE_AUX
clk: shmobile: clk-mstp: change to using clock-indices
clk: Fix slab corruption in clk_unregister()
clk: Fix double free due to devm_clk_register()
clk: socfpga: fix clock driver for 3.15
clk: divider: Fix best div calculation for power-of-two and table dividers
clk: bcm281xx: don't use unnamed structs or unions
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few core fixes around outlying cases here, nothing that should
affect most users but useful fixes. The diffstat is rather larger
than one might hope due some simple code motion in the fix for
!CONFIG_DMA, the actual meaningful change is much smaller.
- Fix handling of unsupported dual and quad mode support on slave
registration so that drivers that can degrade gracefully do so,
preventing regressions for drivers this is added.
- Fix build in !CONFIG_DMA cases following addition of generic DMA
mapping support.
- Fix error handling for queue creation which due to wider kernel
changes can be triggered more easily.
- A couple of driver specific fixes"
* tag 'spi-v3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi/pxa2xx: Prevent DMA from transferring too many bytes
spi: core: Don't destroy master queue if we fail to create it
spi: qup: Fix return value checking for pm_runtime_get_sync()
spi: core: Protect DMA code by #ifdef CONFIG_HAS_DMA
spi: core: Ignore unsupported Dual/Quad Transfer Mode bits
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
- fix a null pointer bug in the ICH6 chipset driver
- fix device tree registration for the mcp23s08 driver
* tag 'gpio-v3.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: mcp23s08: Bug fix of SPI device tree registration.
gpio: ich: set regs and reglen for i3100 and ich6 chipset
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