- Exynos Kconfig fixup
- SIRF DT translation bug
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Merge tag 'pinctrl-for-v3.8-late' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull late pinctrl fixes from Linus Walleij:
"Two patches appeared as of late, one was completely news to me, the
other one was rotated in -next for the next merge window but turned
out to be a showstopper.
- Exynos Kconfig fixup
- SIRF DT translation bug"
* tag 'pinctrl-for-v3.8-late' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: sirf: replace of_gpio_simple_xlate by sirf specific of_xlate
pinctrl: exynos: change PINCTRL_EXYNOS option
- Fix an IRQ allocation where we only check for a specific error (-1).
- CVE-2013-0231 / XSA-43. Make xen-pciback rate limit error messages from xen_pcibk_enable_msi{,x}()
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Merge tag 'stable/for-linus-3.8-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen fixes from Konrad Rzeszutek Wilk:
"This has two fixes. One is a security fix wherein we would spam the
kernel printk buffer if one of the guests was misbehaving. The other
is much tamer and it was us only checking for one type of error from
the IRQ subsystem (when allocating new IRQs) instead of for all of
them.
- Fix an IRQ allocation where we only check for a specific error (-1).
- CVE-2013-0231 / XSA-43. Make xen-pciback rate limit error messages
from xen_pcibk_enable_msi{,x}()"
* tag 'stable/for-linus-3.8-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen: fix error handling path if xen_allocate_irq_dynamic fails
xen-pciback: rate limit error messages from xen_pcibk_enable_msi{,x}()
Mostly driver specific fixes here, though one of them uncovered the
issue Stephen Warren fixed with multiple OF matches getting upset due to
a lack of cleanup.
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Merge tag 'regulator-v3.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"Mostly driver specific fixes here, though one of them uncovered the
issue Stephen Warren fixed with multiple OF matches getting upset due
to a lack of cleanup."
* tag 'regulator-v3.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: s2mps11: fix incorrect register for buck10
regulator: clear state each invocation of of_regulator_match
regulator: max8997: Fix using wrong dev argument at various places
regulator: max77686: Fix using wrong dev argument at various places
regulator: max8907: Fix using wrong dev argument for calling of_regulator_match
regulator: max8998: fix incorrect min_uV value for ldo10
regulator: tps65910: Fix using wrong dev argument for calling of_regulator_match
regulator: tps65217: Fix using wrong dev argument for calling of_regulator_match
This fixes up
commit e8e89622ed
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue Dec 18 22:25:11 2012 +0100
drm/ttm: fix fence locking in ttm_buffer_object_transfer
which leaves behind a might_sleep in atomic context, since the
fence_lock spinlock is held over a kmalloc(GFP_KERNEL) call. The fix
is to revert the above commit and only take the lock where we need it,
around the call to ->sync_obj_ref.
v2: Fixup things noticed by Maarten Lankhorst:
- Brown paper bag locking bug.
- No need for kzalloc if we clear the entire thing on the next line.
- check for bo->sync_obj (totally unlikely race, but still someone
else could have snuck in) and clear fbo->sync_obj if it's cleared
already.
Reported-by: Dave Airlie <airlied@gmail.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
My commit f2d9d270c1
("mac80211: support VHT association") introduced a
very stupid bug: the loop to downgrade the channel
width never attempted to actually use it again so
it would downgrade all the way to 20_NOHT. Fix it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
RFC 6296 points that address bits that are not part of the prefix
has to be zeroed.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Make sure only the bits that are part of the prefix are mangled.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Cast __wsum from/to __sum16 is wrong. Instead, apply appropriate
conversion function: csum_unfold() or csum_fold().
[ The original patch has been modified to undo the final ~ that
csum_fold returns. We only need to fold the 32-bit word that
results from the checksum calculation into a 16-bit to ensure
that the original subnet is restored appropriately. Spotted by
Ulrich Weber. ]
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Just a couple of build regression fixes for ASoC fsl stuff.
It doesn't look too trivial, but neither intrusive, so hopefully I can
avoid your curse...
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Merge tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Just a couple of build regression fixes for ASoC fsl stuff. It
doesn't look too trivial, but neither intrusive, so hopefully I can
avoid your curse..."
Hey, Takashi has a good track record, I think he gets a pass..
* tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: fsl: fix snd-soc-imx-pcm module build
Revert "ASoC: fsl: fix multiple definition of init_module"
Pull block layer updates from Jens Axboe:
"I've got a few bits pending for 3.8 final, that I better get sent out.
It's all been sitting for a while, I consider it safe.
It contains:
- Two bug fixes for mtip32xx, fixing a driver hang and a crash.
- A few-liner protocol error fix for drbd.
- A few fixes for the xen block front/back driver, fixing a potential
data corruption issue.
- A race fix for disk_clear_events(), causing spurious warnings. Out
of the Chrome OS base.
- A deadlock fix for disk_clear_events(), moving it to the a
unfreezable workqueue. Also from the Chrome OS base."
* 'for-linus' of git://git.kernel.dk/linux-block:
drbd: fix potential protocol error and resulting disconnect/reconnect
mtip32xx: fix for crash when the device surprise removed during rebuild
mtip32xx: fix for driver hang after a command timeout
block: prevent race/cleanup
block: remove deadlock in disk_clear_events
xen-blkfront: handle bvecs with partial data
llist/xen-blkfront: implement safe version of llist_for_each_entry
xen-blkback: implement safe iterator for the list of persistent grants
Adding new class/subclass/protocol combinations based on the GPLed
out-of-tree Huawei driver. One of these has already appeared on a
device labelled as "E320".
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adding a new vendor specific class/subclass/protocol combination
for CDC NCM devices based on information from a GPLed out-of-tree
driver from Huawei.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
When changing the device from or to promisc mode this only affects the
device after the device is bought up the next time. For bridging it is
needed to change the device to promisc mode while it is up, which is
possible with this patch.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The generic implementation just changes the netdev struct and does not
write the new mac address to the hardware or issues some command to do
so.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
ip6gre_tunnel_xmit() is leaking the skb when we hit this error branch,
and the -1 return value from this function is bogus. Use the error
handling we already have in place in ip6gre_tunnel_xmit() for this error
case to fix this.
Signed-off-by: Tommi Rantala <tt.rantala@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Setting up IPv6 addresses on configurations with many macvlans
is not really working, as many multicast messages are dropped.
Add a multicast filter to macvlan to reduce the amount of cloned
skbs and overhead.
Successfully tested with 1024 macvlans on one ethernet device.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ben Greear <greearb@candelatech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On 64 bit arches :
There is a off-by-one error in qdisc_pkt_len_init() because
mac_header is not set in xmit path.
skb_mac_header() returns an out of bound value that was
harmless because hdr_len is an 'unsigned int'
On 32bit arches, the error is abysmal.
This patch is also a prereq for "macvlan: add multicast filter"
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ben Greear <greearb@candelatech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
skb_gso_segment() is almost always called in tx path,
except for openvswitch. It calls this function when
it receives the packet and tries to queue it to user-space.
In this special case, the ->ip_summed check inside
skb_gso_segment() is no longer true, as ->ip_summed value
has different meanings on rx path.
This patch adjusts skb_gso_segment() so that we can at least
avoid such warnings on checksum.
Cc: Jesse Gross <jesse@nicira.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
head buffer is only temporary available in mac802154_header_create.
So it's not necessary to put it on the heap.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
head buffer is only temporary available in lowpan_header_create.
So it's not necessary to put it on the heap.
Also fixed a comment codestyle issue.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are transients during normal FRTO procedure during which
the packets_in_flight can go to zero between write_queue state
updates and firing the resulting segments out. As FRTO processing
occurs during that window the check must be more precise to
not match "spuriously" :-). More specificly, e.g., when
packets_in_flight is zero but FLAG_DATA_ACKED is true the problematic
branch that set cwnd into zero would not be taken and new segments
might be sent out later.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Tested-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some modes don't require any special carrier handling so
in these cases, the kernel can control the carrier as for
any other interface. However, some other modes, e.g. lacp,
requires more than just that, so userspace needs to control
the carrier itself.
The daemon today is ready to control it, but the kernel
still can change it based on events.
This fix so that either kernel or userspace is controlling
the carrier.
Signed-off-by: Flavio Leitner <fbl@redhat.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
adding support for VLAN interface for cpsw.
CPSW VLAN Capability
* Can filter VLAN packets in Hardware
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add helper functions for VLAN ALE implementations for Add, Delete
Dump VLAN related ALE entries
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ivan Vercera was recently backporting commit
9c13cb8bb4 to a RHEL kernel, and I noticed that,
while this patch protects the tg3 driver from having its ndo_poll_controller
routine called during device initalization, it does nothing for the driver
during shutdown. I.e. it would be entirely possible to have the
ndo_poll_controller method (or subsequently the ndo_poll) routine called for a
driver in the netpoll path on CPU A while in parallel on CPU B, the ndo_close or
ndo_open routine could be called. Given that the two latter routines tend to
initizlize and free many data structures that the former two rely on, the result
can easily be data corruption or various other crashes. Furthermore, it seems
that this is potentially a problem with all net drivers that support netpoll,
and so this should ideally be fixed in a common path.
As Ben H Pointed out to me, we can't preform dev_open/dev_close in atomic
context, so I've come up with this solution. We can use a mutex to sleep in
open/close paths and just do a mutex_trylock in the napi poll path and abandon
the poll attempt if we're locked, as we'll just retry the poll on the next send
anyway.
I've tested this here by flooding netconsole with messages on a system whos nic
driver I modfied to periodically return NETDEV_TX_BUSY, so that the netpoll tx
workqueue would be forced to send frames and poll the device. While this was
going on I rapidly ifdown/up'ed the interface and watched for any problems.
I've not found any.
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Ivan Vecera <ivecera@redhat.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: Ben Hutchings <bhutchings@solarflare.com>
CC: Francois Romieu <romieu@fr.zoreil.com>
CC: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Calling icmpv6_send() on a local message size error leads to an
incorrect update of the path mtu in the case when IPsec is used.
So use ipv6_local_error() instead to notify the socket about the
error.
Reported-by: Jiri Bohac <jbohac@suse.cz>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
commits 9d11bd159
("wimax: Remove unnecessary alloc/OOM messages, alloc cleanups")
and b2adaca92
("ethernet: Remove unnecessary alloc/OOM messages, alloc cleanups")
added a couple of unused variable warnings.
Remove the now unused variables.
Noticed-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
alloc failures already get standardized OOM
messages and a dump_stack.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
John W. Linville says:
====================
Please consider this pull request for the 3.8 stream...
Included is a bluetooth pull. Gustavo says:
"Two simple fixes for 3.8. One of the patches fixes a situation
where the connection wasn't terminated if a timeout ocurrs for LE
an SCO connections. The other fixes prevent NULL dereference in the
SMP code, it is a security fix as well."
Along with those...
Hauke Mehrtens provides a couple of ssb and bcma bus fixes that
prevent oopses when unloading those modules.
Larry Finger provides and rtlwifi fix to avoid a "scheduling while
atomic" bug.
Last but certainly not least, Arend van Spriel bring a brcmsmac fix that
reworks the mac80211 .flush() callback in order to avoid the dreaded
brcms_c_wait_for_tx_completion warnings. This one looks a little
large, but I think it is safe and isolated to brcmsmac in any case.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Dave Sterba triggered a lockdep complaint about lock ordering
between the sb_internal lock and the cleaner semaphore.
btrfs_lookup_dentry() checks for orphans if we're looking up
the inode for a subvolume, and subvolume creation is triggering
the lookup with a transaction running.
This commit moves the d_instantiate after the transaction closes.
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Using 'sizeof' on array given as function argument returns
size of a pointer rather than the size of array.
Cc: stable@vger.kernel.org
Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
It is possible that the call to xen_allocate_irq_dynamic() returns negative
number other than -1.
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
... as being guest triggerable (e.g. by invoking
XEN_PCI_OP_enable_msi{,x} on a device not being MSI/MSI-X capable).
This is CVE-2013-0231 / XSA-43.
Also make the two messages uniform in both their wording and severity.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
When btrfs_qgroup_reserve returned a failure, we were missing a counter
operation for BTRFS_I(inode)->outstanding_extents++, leading to warning
messages about outstanding extents and space_info->bytes_may_use != 0.
Additionally, the error handling code didn't take into account that we
dropped the inode lock which might require more cleanup.
Luckily, all the cleanup code we need is already there and can be shared
with reserve_metadata_bytes, which is exactly what this patch does.
Reported-by: Lev Vainblat <lev@zadarastorage.com>
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
The xfrm gc threshold can be configured via xfrm{4,6}_gc_thresh
sysctl but currently only in init_net, other namespaces always
use the default value. This can substantially limit the number
of IPsec tunnels that can be effectively used.
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
