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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull one more arm-soc bugfix from Olof Johansson:
"Here's a bugfix for orion5x. Without this, PCI doesn't initialize
properly because of too small coherent pool to cover the allocations
needed.
A similar fix has already been done on kirkwood."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: Orion5x: Fix too small coherent pool.
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Some Orion5x devices allocate their coherent buffers from atomic
context. Increase size of atomic coherent pool to make sure such the
allocations won't fail during boot.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.linaro.org/people/mszyprowski/linux-dma-mapping
Pull ARM dma-mapping fix from Marek Szyprowski:
"This patch fixes a potential memory leak in the ARM dma-mapping code."
* 'fixes-for-3.6' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
ARM: dma-mapping: Fix potential memory leak in atomic_pool_init()
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When either of __alloc_from_contiguous or __alloc_remap_buffer fails
to provide a valid pointer, allocated memory is freed up and an error
is returned. 'pages' was however not freed before returning error.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fix from Linus Walleij:
"A late GPIO fix: Roland Stigge found a problem in the LPC32xx driver
where a callback ignores one of its arguments. It needs to go into
stable too so sending this upstream immediately."
* tag 'gpio-fixes-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio-lpc32xx: Fix value handling of gpio_direction_output()
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For GPIOs of gpio-lpc32xx, gpio_direction_output() ignores the value argument
(initial value of output). This patch fixes this by setting the level
accordingly.
Cc: stable@kernel.org
Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Pull two md bugfixes from NeilBrown:
"One (missing spinlock init) was only introduced recently. The other
has been present as long as raid10 has been supported, so is tagged
for -stable."
* tag 'md-3.6-fixes' of git://neil.brown.name/md:
md/raid10: fix "enough" function for detecting if array is failed.
md/raid5: add missing spin_lock_init.
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The 'enough' function is written to work with 'near' arrays only
in that is implicitly assumes that the offset from one 'group' of
devices to the next is the same as the number of copies.
In reality it is the number of 'near' copies.
So change it to make this number explicit.
This bug makes it possible to run arrays without enough drives
present, which is dangerous.
It is appropriate for an -stable kernel, but will almost certainly
need to be modified for some of them.
Cc: stable@vger.kernel.org
Reported-by: Jakub Husák <jakub@gooseman.cz>
Signed-off-by: NeilBrown <neilb@suse.de>
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commit b17459c05000fdbe8d10946570a26510f86ec0f
raid5: add a per-stripe lock
added a spin_lock to the 'stripe_head' struct.
Unfortunately there are two places where this struct is allocated
but the spin lock was only initialised in one of them.
So add the missing spin_lock_init.
Signed-off-by: NeilBrown <neilb@suse.de>
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Pull EDAC fixes from Mauro Carvalho Chehab:
"Three edac fixes at the memory enumeration logic:
- i3200_edac: Fixes a regression at the memory rank size, when the
memorias are dual-rank;
- i5000_edac: Fix a longstanding bug when calculating the memory
size: before Kernel 3.6, the memory size were right only
with one specific configuration;
- sb_edac: Fixes a bug since the initial release of the driver:
with 16GB DIMMs, there's an overflow at the memory size,
causing the number of pages per dimm (an unsigned value)
to have the highest bit equal to 1, effectively mangling
the memory size.
The third bug can potentially affect the error decoding logic as well."
* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac:
sb_edac: Avoid overflow errors at memory size calculation
i5000: Fix the memory size calculation with 2R memories
i3200_edac: Fix memory rank size
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Sandy bridge EDAC is calculating the memory size with overflow.
Basically, the size field and the integer calculation is using 32 bits.
More bits are needed, when the DIMM memories have high density.
The net result is that memories are improperly reported there, when
high-density DIMMs are used:
EDAC DEBUG: in drivers/edac/sb_edac.c, line at 591: mc#0: channel 0, dimm 0, -16384 Mb (-4194304 pages) bank: 8, rank: 2, row: 0x10000, col: 0x800
EDAC DEBUG: in drivers/edac/sb_edac.c, line at 591: mc#0: channel 1, dimm 0, -16384 Mb (-4194304 pages) bank: 8, rank: 2, row: 0x10000, col: 0x800
As the number of pages value is handled at the EDAC core as unsigned
ints, the driver shows the 16 GB memories at sysfs interface as 16760832
MB! The fix is simple: calculate the number of pages as unsigned 64-bits
integer.
After the patch, the memory size (16 GB) is properly detected:
EDAC DEBUG: in drivers/edac/sb_edac.c, line at 592: mc#0: channel 0, dimm 0, 16384 Mb (4194304 pages) bank: 8, rank: 2, row: 0x10000, col: 0x800
EDAC DEBUG: in drivers/edac/sb_edac.c, line at 592: mc#0: channel 1, dimm 0, 16384 Mb (4194304 pages) bank: 8, rank: 2, row: 0x10000, col: 0x800
Cc: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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When 2R memories are found, the memory size should be multiplied
by two, otherwise, it will report half of the memory size:
+-----------------------------------------------+
| mc0 |
| branch0 | branch1 |
| channel0 | channel1 | channel0 | channel1 |
-------+-----------------------------------------------+
slot3: | 0 MB | 0 MB | 0 MB | 0 MB |
slot2: | 0 MB | 0 MB | 0 MB | 0 MB |
-------+-----------------------------------------------+
slot1: | 0 MB | 0 MB | 0 MB | 0 MB |
slot0: | 1024 MB | 1024 MB | 1024 MB | 1024 MB |
-------+-----------------------------------------------+
(the above machine have 4 x 2GB 2R memories)
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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commit a895bf8b1e1ea4c032a8fa8a09475a2ce09fe77a incorrectly
changed the logic that fills the memory bank size. Fix it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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"Search list for X" sounds like you're trying to find X on a list.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull c6x arch fixes from Mark Salter:
- Add __NR_kcmp to generic syscall list
- C6X: Use generic asm/barrier.h
* tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming:
syscalls: add __NR_kcmp syscall to generic unistd.h
c6x: use asm-generic/barrier.h
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Commit d97b46a64 ("syscalls, x86: add __NR_kcmp syscall" ) added a new
syscall to support checkpoint restore. It is currently x86-only, but
that restriction will be removed in a subsequent patch. Unfortunately,
the kernel checksyscalls script had a bug which suppressed any warning
to other architectures that the kcmp syscall was not implemented. A
patch to checksyscalls is being tested in linux-next and other
architectures are seeing warnings about kcmp being unimplemented.
This patch adds __NR_kcmp to <asm-generic/unistd.h> so that kcmp is
wired in for architectures using the generic syscall list.
Signed-off-by: Mark Salter <msalter@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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A recent patch in the linux-next tree caused a build failure on
C6X because C6X didn't define a read_barrier_depends() macro. C6X
does not support SMP and the architecture doesn't provide any
special memory ordering instructions, so it makes sense to just
use the generic barrier.h rather than patching the existing c6x
specific header.
Signed-off-by: Mark Salter <msalter@redhat.com>
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Cc: Lukasz Dorau <lukasz.dorau@intel.com>
Cc: Maciej Patelczyk <maciej.patelczyk@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull more networking fixes from David Miller:
1) Eric Dumazet discovered and fixed what turned out to be a family of
bugs. These functions were using pskb_may_pull() which might need
to reallocate the linear SKB data buffer, but the callers were not
expecting this possibility. The callers have cached pointers to the
packet header areas, and would need to reload them if we were to
continue using pskb_may_pull().
So they could end up reading garbage.
It's easier to just change these RAW4/RAW6/MIP6 routines to use
skb_header_pointer() instead of pskb_may_pull(), which won't modify
the linear SKB data area.
2) Dave Jone's syscall spammer caught a case where a non-TCP socket can
call down into the TCP keepalive code. The case basically involves
creating a raw socket with sk_protocol == IPPROTO_TCP, then calling
setsockopt(sock_fd, SO_KEEPALIVE, ...)
Fixed by Eric Dumazet.
3) Bluetooth devices do not get configured properly while being powered
on, resulting in always using legacy pairing instead of SSP. Fix
from Andrzej Kaczmarek.
4) Bluetooth cancels delayed work erroneously, put stricter checks in
place. From Andrei Emeltchenko.
5) Fix deadlock between cfg80211_mutex and reg_regdb_search_mutex in
cfg80211, from Luis R. Rodriguez.
6) Fix interrupt double release in iwlwifi, from Emmanuel Grumbach.
7) Missing module license in bcm87xx driver, from Peter Huewe.
8) Team driver can lose port changed events when adding devices to a
team, fix from Jiri Pirko.
9) Fix endless loop when trying ot unregister PPPOE device in zombie
state, from Xiaodong Xu.
10) batman-adv layer needs to set MAC address of software device
earlier, otherwise we call tt_local_add with it uninitialized.
11) Fix handling of KSZ8021 PHYs, it's matched currently by KS8051 but
that doesn't program the device properly. From Marek Vasut.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
ipv6: mip6: fix mip6_mh_filter()
ipv6: raw: fix icmpv6_filter()
net: guard tcp_set_keepalive() to tcp sockets
phy/micrel: Add missing header to micrel_phy.h
phy/micrel: Rename KS80xx to KSZ80xx
phy/micrel: Implement support for KSZ8021
batman-adv: Fix symmetry check / route flapping in multi interface setups
batman-adv: Fix change mac address of soft iface.
pppoe: drop PPPOX_ZOMBIEs in pppoe_release
team: send port changed when added
ipv4: raw: fix icmp_filter()
net/phy/bcm87xx: Add MODULE_LICENSE("GPL") to GPL driver
iwlwifi: don't double free the interrupt in failure path
cfg80211: fix possible circular lock on reg_regdb_search()
Bluetooth: Fix not removing power_off delayed work
Bluetooth: Fix freeing uninitialized delayed works
Bluetooth: mgmt: Fix enabling LE while powered off
Bluetooth: mgmt: Fix enabling SSP while powered off
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mip6_mh_filter() should not modify its input, or else its caller
would need to recompute ipv6_hdr() if skb->head is reallocated.
Use skb_header_pointer() instead of pskb_may_pull()
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Included fixes:
- fix the behaviour of batman-adv in case of virtual interface MAC change event
- fix symmetric link check in neighbour selection
Signed-off-by: David S. Miller <davem@davemloft.net>
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If receiving an OGM from a neighbor other than the currently selected
and if it has the same TQ then we are supposed to switch if this
neighbor provides a more symmetric link than the currently selected one.
However this symmetry check currently is broken if the interface of the
neighbor we received the OGM from and the one of the currently selected
neighbor differ: We are currently trying to determine the symmetry of the
link towards the selected router via the link we received the OGM from
instead of just checking via the link towards the currently selected
router.
This leads to way more route switches than necessary and can lead to
permanent route flapping in many common multi interface setups.
This patch fixes this issue by using the right interface for this
symmetry check.
Signed-off-by: Linus Lüssing <linus.luessing@web.de>
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Into function interface_set_mac_addr, the function tt_local_add was
invoked before updating dev->dev_addr. The new MAC address was not
tagged as NoPurge.
Signed-off-by: Def <def@laposte.net>
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icmpv6_filter() should not modify its input, or else its caller
would need to recompute ipv6_hdr() if skb->head is reallocated.
Use skb_header_pointer() instead of pskb_may_pull() and
change the prototype to make clear both sk and skb are const.
Also, if icmpv6 header cannot be found, do not deliver the packet,
as we do in IPv4.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:
====================
Please pull this last(?) batch of fixes intended for 3.6...
For the Bluetooth bits, Gustavo says this:
"Here goes probably my last update to 3.6. It includes the two patches
you were ok last week(from Andrzej Kaczmarek), those are critical
ones, and two other fixes one for a system crash and the other for
a missing lockdep annotation."
The referenced fixes from Andrzej prevent attempts to configure devices
that are powered-off.
Along with the Bluetooth fixes, there are a couple of 802.11 fixes.
Emmanuel Grumbach gives us an iwlwifi fix to prevent releasing an
interrupt twice. Luis R. Rodriguez provides a fix for a possible
circular lock dependency in the cfg80211 regulatory enforcement code.
All of these have been in linux-next for a few days. I hope they are
not too late to make the 3.6 release!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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When the driver can't get the HW ready, we would release
the interrupt twice which made the kernel complain loudly.
Cc: stable@vger.kernel.org
Reported-by: Brian Cockrell <brian.cockrell@intel.com>
Tested-by: Brian Cockrell <brian.cockrell@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When call_crda() is called we kick off a witch hunt search
for the same regulatory domain on our internal regulatory
database and that work gets kicked off on a workqueue, this
is done while the cfg80211_mutex is held. If that workqueue
kicks off it will first lock reg_regdb_search_mutex and
later cfg80211_mutex but to ensure two CPUs will not contend
against cfg80211_mutex the right thing to do is to have the
reg_regdb_search() wait until the cfg80211_mutex is let go.
The lockdep report is pasted below.
cfg80211: Calling CRDA to update world regulatory domain
======================================================
[ INFO: possible circular locking dependency detected ]
3.3.8 #3 Tainted: G O
-------------------------------------------------------
kworker/0:1/235 is trying to acquire lock:
(cfg80211_mutex){+.+...}, at: [<816468a4>] set_regdom+0x78c/0x808 [cfg80211]
but task is already holding lock:
(reg_regdb_search_mutex){+.+...}, at: [<81646828>] set_regdom+0x710/0x808 [cfg80211]
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (reg_regdb_search_mutex){+.+...}:
[<800a8384>] lock_acquire+0x60/0x88
[<802950a8>] mutex_lock_nested+0x54/0x31c
[<81645778>] is_world_regdom+0x9f8/0xc74 [cfg80211]
-> #1 (reg_mutex#2){+.+...}:
[<800a8384>] lock_acquire+0x60/0x88
[<802950a8>] mutex_lock_nested+0x54/0x31c
[<8164539c>] is_world_regdom+0x61c/0xc74 [cfg80211]
-> #0 (cfg80211_mutex){+.+...}:
[<800a77b8>] __lock_acquire+0x10d4/0x17bc
[<800a8384>] lock_acquire+0x60/0x88
[<802950a8>] mutex_lock_nested+0x54/0x31c
[<816468a4>] set_regdom+0x78c/0x808 [cfg80211]
other info that might help us debug this:
Chain exists of:
cfg80211_mutex --> reg_mutex#2 --> reg_regdb_search_mutex
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(reg_regdb_search_mutex);
lock(reg_mutex#2);
lock(reg_regdb_search_mutex);
lock(cfg80211_mutex);
*** DEADLOCK ***
3 locks held by kworker/0:1/235:
#0: (events){.+.+..}, at: [<80089a00>] process_one_work+0x230/0x460
#1: (reg_regdb_work){+.+...}, at: [<80089a00>] process_one_work+0x230/0x460
#2: (reg_regdb_search_mutex){+.+...}, at: [<81646828>] set_regdom+0x710/0x808 [cfg80211]
stack backtrace:
Call Trace:
[<80290fd4>] dump_stack+0x8/0x34
[<80291bc4>] print_circular_bug+0x2ac/0x2d8
[<800a77b8>] __lock_acquire+0x10d4/0x17bc
[<800a8384>] lock_acquire+0x60/0x88
[<802950a8>] mutex_lock_nested+0x54/0x31c
[<816468a4>] set_regdom+0x78c/0x808 [cfg80211]
Reported-by: Felix Fietkau <nbd@openwrt.org>
Tested-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@vger.kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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For example, when a usb reset is received (I could reproduce it
running something very similar to this[1] in a loop) it could be
that the device is unregistered while the power_off delayed work
is still scheduled to run.
Backtrace:
WARNING: at lib/debugobjects.c:261 debug_print_object+0x7c/0x8d()
Hardware name: To Be Filled By O.E.M.
ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x26
Modules linked in: nouveau mxm_wmi btusb wmi bluetooth ttm coretemp drm_kms_helper
Pid: 2114, comm: usb-reset Not tainted 3.5.0bt-next #2
Call Trace:
[<ffffffff8124cc00>] ? free_obj_work+0x57/0x91
[<ffffffff81058f88>] warn_slowpath_common+0x7e/0x97
[<ffffffff81059035>] warn_slowpath_fmt+0x41/0x43
[<ffffffff8124ccb6>] debug_print_object+0x7c/0x8d
[<ffffffff8106e3ec>] ? __queue_work+0x259/0x259
[<ffffffff8124d63e>] ? debug_check_no_obj_freed+0x6f/0x1b5
[<ffffffff8124d667>] debug_check_no_obj_freed+0x98/0x1b5
[<ffffffffa00aa031>] ? bt_host_release+0x10/0x1e [bluetooth]
[<ffffffff810fc035>] kfree+0x90/0xe6
[<ffffffffa00aa031>] bt_host_release+0x10/0x1e [bluetooth]
[<ffffffff812ec2f9>] device_release+0x4a/0x7e
[<ffffffff8123ef57>] kobject_release+0x11d/0x154
[<ffffffff8123ed98>] kobject_put+0x4a/0x4f
[<ffffffff812ec0d9>] put_device+0x12/0x14
[<ffffffffa009472b>] hci_free_dev+0x22/0x26 [bluetooth]
[<ffffffffa0280dd0>] btusb_disconnect+0x96/0x9f [btusb]
[<ffffffff813581b4>] usb_unbind_interface+0x57/0x106
[<ffffffff812ef988>] __device_release_driver+0x83/0xd6
[<ffffffff812ef9fb>] device_release_driver+0x20/0x2d
[<ffffffff813582a7>] usb_driver_release_interface+0x44/0x7b
[<ffffffff81358795>] usb_forced_unbind_intf+0x45/0x4e
[<ffffffff8134f959>] usb_reset_device+0xa6/0x12e
[<ffffffff8135df86>] usbdev_do_ioctl+0x319/0xe20
[<ffffffff81203244>] ? avc_has_perm_flags+0xc9/0x12e
[<ffffffff812031a0>] ? avc_has_perm_flags+0x25/0x12e
[<ffffffff81050101>] ? do_page_fault+0x31e/0x3a1
[<ffffffff8135eaa6>] usbdev_ioctl+0x9/0xd
[<ffffffff811126b1>] vfs_ioctl+0x21/0x34
[<ffffffff81112f7b>] do_vfs_ioctl+0x408/0x44b
[<ffffffff81208d45>] ? file_has_perm+0x76/0x81
[<ffffffff8111300f>] sys_ioctl+0x51/0x76
[<ffffffff8158db22>] system_call_fastpath+0x16/0x1b
[1] http://cpansearch.perl.org/src/DPAVLIN/Biblio-RFID-0.03/examples/usbreset.c
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Cc: stable@vger.kernel.org
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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When releasing L2CAP socket which is in BT_CONFIG state l2cap_chan_close
invokes l2cap_send_disconn_req which cancel delayed works which are only
set in BT_CONNECTED state with l2cap_ertm_init. Add state check before
cancelling those works.
...
[ 9668.574372] [21085] l2cap_sock_release: sock cd065200, sk f073e800
[ 9668.574399] [21085] l2cap_sock_shutdown: sock cd065200, sk f073e800
[ 9668.574411] [21085] l2cap_chan_close: chan f073ec00 state BT_CONFIG sk f073e800
[ 9668.574421] [21085] l2cap_send_disconn_req: chan f073ec00 conn ecc16600
[ 9668.574441] INFO: trying to register non-static key.
[ 9668.574443] the code is fine but needs lockdep annotation.
[ 9668.574446] turning off the locking correctness validator.
[ 9668.574450] Pid: 21085, comm: obex-client Tainted: G O 3.5.0+ #57
[ 9668.574452] Call Trace:
[ 9668.574463] [<c10a64b3>] __lock_acquire+0x12e3/0x1700
[ 9668.574468] [<c10a44fb>] ? trace_hardirqs_on+0xb/0x10
[ 9668.574476] [<c15e4f60>] ? printk+0x4d/0x4f
[ 9668.574479] [<c10a6e38>] lock_acquire+0x88/0x130
[ 9668.574487] [<c1059740>] ? try_to_del_timer_sync+0x60/0x60
[ 9668.574491] [<c1059790>] del_timer_sync+0x50/0xc0
[ 9668.574495] [<c1059740>] ? try_to_del_timer_sync+0x60/0x60
[ 9668.574515] [<f8aa1c23>] l2cap_send_disconn_req+0xe3/0x160 [bluetooth]
...
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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When new BT USB adapter is plugged in it's configured while still being powered
off (HCI_AUTO_OFF flag is set), thus Set LE will only set dev_flags but won't
write changes to controller. As a result it's not possible to start device
discovery session on LE controller as it uses interleaved discovery which
requires LE Supported Host flag in extended features.
This patch ensures HCI Write LE Host Supported is sent when Set Powered is
called to power on controller and clear HCI_AUTO_OFF flag.
Signed-off-by: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com>
Cc: stable@vger.kernel.org
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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When new BT USB adapter is plugged in it's configured while still being powered
off (HCI_AUTO_OFF flag is set), thus Set SSP will only set dev_flags but won't
write changes to controller. As a result remote devices won't use Secure Simple
Pairing with our device due to SSP Host Support flag disabled in extended
features and may also reject SSP attempt from our side (with possible fallback
to legacy pairing).
This patch ensures HCI Write Simple Pairing Mode is sent when Set Powered is
called to power on controller and clear HCI_AUTO_OFF flag.
Signed-off-by: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com>
Cc: stable@vger.kernel.org
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Its possible to use RAW sockets to get a crash in
tcp_set_keepalive() / sk_reset_timer()
Fix is to make sure socket is a SOCK_STREAM one.
Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The license header was missing in micrel_phy.h . This patch adds
one.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David J. Choi <david.choi@micrel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no such part as KS8001, KS8041 or KS8051. There are only
KSZ8001, KSZ8041 and KSZ8051. Rename these parts as such to match
the Micrel naming.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David J. Choi <david.choi@micrel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Cc: Linux ARM kernel <linux-arm-kernel@lists.infradead.org>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The KSZ8021 PHY was previously caught by KS8051, which is not correct.
This PHY needs additional setup if it is strapped for address 0. In such
case an reserved bit must be written in the 0x16, "Operation Mode Strap
Override" register. According to the KS8051 datasheet, that bit means
"PHY Address 0 in non-broadcast" and it indeed behaves as such on KSZ8021.
The issue where the ethernet controller (Freescale FEC) did not communicate
with network is fixed by writing this bit as 1.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David J. Choi <david.choi@micrel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When PPPOE is running over a virtual ethernet interface (e.g., a
bonding interface) and the user tries to delete the interface in case
the PPPOE state is ZOMBIE, the kernel will loop forever while
unregistering net_device for the reference count is not decreased to
zero which should have been done with dev_put().
Signed-off-by: Xiaodong Xu <stid.smth@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On some hw, link is not up during adding iface to team. That causes event
not being sent to userspace and that may cause confusion.
Fix this bug by sending port changed event once it's added to team.
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
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icmp_filter() should not modify its input, or else its caller
would need to recompute ip_hdr() if skb->head is reallocated.
Use skb_header_pointer() instead of pskb_may_pull() and
change the prototype to make clear both sk and skb are const.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the driver has no MODULE_LICENSE attribute in its source which
results in a kernel taint if I load this:
root@(none):~# modprobe bcm87xx
bcm87xx: module license 'unspecified' taints kernel.
Since the first lines of the source code clearly state:
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file "COPYING" in the main directory of this
* archive for more details.
I think it's safe to add the MODULE_LICENSE("GPL") macro and thus remove
the kernel taint.
Cc: stable@vger.kernel.org
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull SuperH fix from Paul Mundt:
"One last minute regression fix.."
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
sh: pfc: Fix up GPIO mux type reconfig case.
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Some drivers need to switch pin states between GPIO and pin function at
runtime, which was inadvertently broken in the pinctrl driver for GPIOs
being bound to a specific direction.
This fixes up the request path to ensure that previously configured GPIOs
don't cause us to inadvertently error out with an unsupported mux on
reconfig, which in practice is primarily aimed at trapping pull-up/down
users that have yet to be implemented under the new API.
Fixes up regressions in the TPU PWM driver, amongst others.
Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Merge misc fixes from Andrew Morton:
"One maintainer change and three bugfixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (4 commits)
c/r: prctl: fix build error for no-MMU case
lib/flex_proportions.c: fix corruption of denominator in flexible proportions
checksyscalls: fix "here document" handling
pwm-backlight: take over maintenance
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Commit 1ad75b9e1628 ("c/r: prctl: add minimal address test to
PR_SET_MM") added some address checking to prctl_set_mm() used by
checkpoint-restore. This causes a build error for no-MMU systems:
kernel/sys.c: In function 'prctl_set_mm':
kernel/sys.c:1868:34: error: 'mmap_min_addr' undeclared (first use in this function)
The test for mmap_min_addr doesn't make a lot of sense for no-MMU code
as noted in commit 6e1415467614 ("NOMMU: Optimise away the
{dac_,}mmap_min_addr tests").
This patch defines mmap_min_addr as 0UL in the no-MMU case so that the
compiler will optimize away tests for "addr < mmap_min_addr".
Signed-off-by: Mark Salter <msalter@redhat.com>
Reviewed-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: <stable@vger.kernel.org> [3.6.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When racing with CPU hotplug, percpu_counter_sum() can return negative
values for the number of observed events.
This confuses fprop_new_period(), which uses unsigned type and as a
result number of events is set to big *positive* number. From that
moment on, things go pear shaped and can result e.g. in division by
zero as denominator is later truncated to 32-bits.
This bug causes a divide-by-zero oops in bdi_dirty_limit() in Borislav's
3.6.0-rc6 based kernel.
Fix the issue by using a signed type in fprop_new_period(). That makes
us bail out from the function without doing anything (mistakenly)
thinking there are no events to age. That makes aging somewhat
inaccurate but getting accurate data would be rather hard.
Signed-off-by: Jan Kara <jack@suse.cz>
Reported-by: Borislav Petkov <bp@amd64.org>
Reported-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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"echo" doesn't read from stdin, therefore the checksyscalls script didn't
warn about not implemented system calls anymore since 29dc54c6
("checksyscalls: Use arch/x86/syscalls/syscall_32.tbl as source").
Use "cat" instead of "echo" which handles this correctly.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Michal Marek <mmarek@suse.cz>
Cc: H. Peter Anvin <hpa@linux.intel.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Since the pwm-backlight driver is lacking a proper maintainer and is the
heaviest user of the PWM framework I'm taking over maintenance.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Arun Murthy <arun.murthy@stericsson.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Robert Morell <rmorell@nvidia.com>
Cc: Dilan Lee <dilee@nvidia.com>
Cc: Axel Lin <axel.lin@gmail.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull tile gxio ABI fix from Chris Metcalf:
"This fixes a last-minute change in the Tilera hypervisor ABI for TRIO
(PCI root complex) support. We've locked in this ABI going forward
and will make sure no further ABI changes like this occur."
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
tile: gxio iorpc numbering change for TRIO interface
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An ABI numbering change was made in the hypervisor for Tilera's 4.1
MDE release (just shipped). It's incompatible with the previous 4.0
release ABI numbering, so we track the new numbering going forward.
We plan to avoid modifying ABI numbering for these interfaces again.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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Pull vfio fixes from Alex Williamson:
"VFIO doc update and virqfd race fix"
* tag 'vfio-for-linus' of git://github.com/awilliam/linux-vfio:
vfio: Fix virqfd release race
vfio: Trivial Documentation correction
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